ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Sweden-Number/dlls/msvcrt/file.c

5470 lines
144 KiB
C
Raw Blame History

/*
* msvcrt.dll file functions
*
* Copyright 1996,1998 Marcus Meissner
* Copyright 1996 Jukka Iivonen
* Copyright 1997,2000 Uwe Bonnes
* Copyright 2000 Jon Griffiths
* Copyright 2004 Eric Pouech
* Copyright 2004 Juan Lang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* TODO
* Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
#include <limits.h>
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "msvcrt.h"
#include "mtdll.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* for stat mode, permissions apply to all,owner and group */
#define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
#define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
#define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
/* _access() bit flags FIXME: incomplete */
#define MSVCRT_W_OK 0x02
#define MSVCRT_R_OK 0x04
/* values for wxflag in file descriptor */
#define WX_OPEN 0x01
#define WX_ATEOF 0x02
#define WX_READNL 0x04 /* read started with \n */
#define WX_PIPE 0x08
#define WX_DONTINHERIT 0x10
#define WX_APPEND 0x20
#define WX_TTY 0x40
#define WX_TEXT 0x80
/* values for exflag - it's used differently in msvcr90.dll*/
#define EF_UTF8 0x01
#define EF_UTF16 0x02
#define EF_CRIT_INIT 0x04
#define EF_UNK_UNICODE 0x08
static char utf8_bom[3] = { 0xef, 0xbb, 0xbf };
static char utf16_bom[2] = { 0xff, 0xfe };
/* FIXME: this should be allocated dynamically */
#define MSVCRT_MAX_FILES 2048
#define MSVCRT_FD_BLOCK_SIZE 32
#define MSVCRT_INTERNAL_BUFSIZ 4096
/* ioinfo structure size is different in msvcrXX.dll's */
typedef struct {
HANDLE handle;
unsigned char wxflag;
char lookahead[3];
int exflag;
CRITICAL_SECTION crit;
#if _MSVCR_VER >= 80
char textmode : 7;
char unicode : 1;
char pipech2[2];
__int64 startpos;
BOOL utf8translations;
#endif
#if _MSVCR_VER >= 90
char dbcsBuffer;
BOOL dbcsBufferUsed;
#endif
} ioinfo;
/*********************************************************************
* __pioinfo (MSVCRT.@)
* array of pointers to ioinfo arrays [32]
*/
ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
/*********************************************************************
* __badioinfo (MSVCRT.@)
*/
ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
typedef struct {
MSVCRT_FILE file;
CRITICAL_SECTION crit;
} file_crit;
MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } };
static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE];
static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
/* INTERNAL: process umask */
static int MSVCRT_umask = 0;
/* INTERNAL: static data for tmpnam and _wtmpname functions */
static int tmpnam_unique;
static int tmpnam_s_unique;
static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
#define TOUL(x) (ULONGLONG)(x)
static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
/* This critical section protects the MSVCRT_fstreams table
* and MSVCRT_stream_idx from race conditions. It also
* protects fd critical sections creation code.
*/
static CRITICAL_SECTION MSVCRT_file_cs;
static CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug =
{
0, 0, &MSVCRT_file_cs,
{ &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") }
};
static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 };
#define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
#define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
{
buf->st_dev = buf64->st_dev;
buf->st_ino = buf64->st_ino;
buf->st_mode = buf64->st_mode;
buf->st_nlink = buf64->st_nlink;
buf->st_uid = buf64->st_uid;
buf->st_gid = buf64->st_gid;
buf->st_rdev = buf64->st_rdev;
buf->st_size = buf64->st_size;
buf->st_atime = buf64->st_atime;
buf->st_mtime = buf64->st_mtime;
buf->st_ctime = buf64->st_ctime;
}
static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
{
buf->st_dev = buf64->st_dev;
buf->st_ino = buf64->st_ino;
buf->st_mode = buf64->st_mode;
buf->st_nlink = buf64->st_nlink;
buf->st_uid = buf64->st_uid;
buf->st_gid = buf64->st_gid;
buf->st_rdev = buf64->st_rdev;
buf->st_size = buf64->st_size;
buf->st_atime = buf64->st_atime;
buf->st_mtime = buf64->st_mtime;
buf->st_ctime = buf64->st_ctime;
}
static void msvcrt_stat64_to_stat32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat32 *buf)
{
buf->st_dev = buf64->st_dev;
buf->st_ino = buf64->st_ino;
buf->st_mode = buf64->st_mode;
buf->st_nlink = buf64->st_nlink;
buf->st_uid = buf64->st_uid;
buf->st_gid = buf64->st_gid;
buf->st_rdev = buf64->st_rdev;
buf->st_size = buf64->st_size;
buf->st_atime = buf64->st_atime;
buf->st_mtime = buf64->st_mtime;
buf->st_ctime = buf64->st_ctime;
}
static void msvcrt_stat64_to_stat64i32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat64i32 *buf)
{
buf->st_dev = buf64->st_dev;
buf->st_ino = buf64->st_ino;
buf->st_mode = buf64->st_mode;
buf->st_nlink = buf64->st_nlink;
buf->st_uid = buf64->st_uid;
buf->st_gid = buf64->st_gid;
buf->st_rdev = buf64->st_rdev;
buf->st_size = buf64->st_size;
buf->st_atime = buf64->st_atime;
buf->st_mtime = buf64->st_mtime;
buf->st_ctime = buf64->st_ctime;
}
static void msvcrt_stat64_to_stat32i64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat32i64 *buf)
{
buf->st_dev = buf64->st_dev;
buf->st_ino = buf64->st_ino;
buf->st_mode = buf64->st_mode;
buf->st_nlink = buf64->st_nlink;
buf->st_uid = buf64->st_uid;
buf->st_gid = buf64->st_gid;
buf->st_rdev = buf64->st_rdev;
buf->st_size = buf64->st_size;
buf->st_atime = buf64->st_atime;
buf->st_mtime = buf64->st_mtime;
buf->st_ctime = buf64->st_ctime;
}
static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
{
/* 1601 to 1970 is 369 years plus 89 leap days */
static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
__int64 ticks = (time + secs_1601_to_1970) * 10000000;
ft->dwHighDateTime = ticks >> 32;
ft->dwLowDateTime = ticks;
}
static inline ioinfo* get_ioinfo_nolock(int fd)
{
ioinfo *ret = NULL;
if(fd>=0 && fd<MSVCRT_MAX_FILES)
ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
if(!ret)
return &MSVCRT___badioinfo;
return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
}
static inline void init_ioinfo_cs(ioinfo *info)
{
if(!(info->exflag & EF_CRIT_INIT)) {
LOCK_FILES();
if(!(info->exflag & EF_CRIT_INIT)) {
InitializeCriticalSection(&info->crit);
info->exflag |= EF_CRIT_INIT;
}
UNLOCK_FILES();
}
}
static inline ioinfo* get_ioinfo(int fd)
{
ioinfo *ret = get_ioinfo_nolock(fd);
if(ret == &MSVCRT___badioinfo)
return ret;
init_ioinfo_cs(ret);
EnterCriticalSection(&ret->crit);
return ret;
}
static inline BOOL alloc_pioinfo_block(int fd)
{
ioinfo *block;
int i;
if(fd<0 || fd>=MSVCRT_MAX_FILES)
{
*MSVCRT__errno() = MSVCRT_ENFILE;
return FALSE;
}
block = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
if(!block)
{
WARN(":out of memory!\n");
*MSVCRT__errno() = MSVCRT_ENOMEM;
return FALSE;
}
for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
block[i].handle = INVALID_HANDLE_VALUE;
if(InterlockedCompareExchangePointer((void**)&MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE], block, NULL))
MSVCRT_free(block);
return TRUE;
}
static inline ioinfo* get_ioinfo_alloc_fd(int fd)
{
ioinfo *ret;
ret = get_ioinfo(fd);
if(ret != &MSVCRT___badioinfo)
return ret;
if(!alloc_pioinfo_block(fd))
return &MSVCRT___badioinfo;
return get_ioinfo(fd);
}
static inline ioinfo* get_ioinfo_alloc(int *fd)
{
int i;
*fd = -1;
for(i=0; i<MSVCRT_MAX_FILES; i++)
{
ioinfo *info = get_ioinfo_nolock(i);
if(info == &MSVCRT___badioinfo)
{
if(!alloc_pioinfo_block(i))
return &MSVCRT___badioinfo;
info = get_ioinfo_nolock(i);
}
init_ioinfo_cs(info);
if(TryEnterCriticalSection(&info->crit))
{
if(info->handle == INVALID_HANDLE_VALUE)
{
*fd = i;
return info;
}
LeaveCriticalSection(&info->crit);
}
}
WARN(":files exhausted!\n");
*MSVCRT__errno() = MSVCRT_ENFILE;
return &MSVCRT___badioinfo;
}
static inline void release_ioinfo(ioinfo *info)
{
if(info!=&MSVCRT___badioinfo && info->exflag & EF_CRIT_INIT)
LeaveCriticalSection(&info->crit);
}
static inline MSVCRT_FILE* msvcrt_get_file(int i)
{
file_crit *ret;
if(i >= MSVCRT_max_streams)
return NULL;
if(i < _IOB_ENTRIES)
return &MSVCRT__iob[i];
ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
if(!ret) {
MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
ERR("out of memory\n");
*MSVCRT__errno() = MSVCRT_ENOMEM;
return NULL;
}
ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
} else
ret += i%MSVCRT_FD_BLOCK_SIZE;
return &ret->file;
}
/* INTERNAL: free a file entry fd */
static void msvcrt_free_fd(int fd)
{
ioinfo *fdinfo = get_ioinfo(fd);
if(fdinfo != &MSVCRT___badioinfo)
{
fdinfo->handle = INVALID_HANDLE_VALUE;
fdinfo->wxflag = 0;
}
TRACE(":fd (%d) freed\n",fd);
if (fd < 3)
{
switch (fd)
{
case 0:
SetStdHandle(STD_INPUT_HANDLE, 0);
break;
case 1:
SetStdHandle(STD_OUTPUT_HANDLE, 0);
break;
case 2:
SetStdHandle(STD_ERROR_HANDLE, 0);
break;
}
}
release_ioinfo(fdinfo);
}
static void msvcrt_set_fd(ioinfo *fdinfo, HANDLE hand, int flag)
{
fdinfo->handle = hand;
fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_TTY));
fdinfo->lookahead[0] = '\n';
fdinfo->lookahead[1] = '\n';
fdinfo->lookahead[2] = '\n';
fdinfo->exflag &= EF_CRIT_INIT;
switch (fdinfo-MSVCRT___pioinfo[0])
{
case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
}
}
/* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
static int msvcrt_alloc_fd(HANDLE hand, int flag)
{
int fd;
ioinfo *info = get_ioinfo_alloc(&fd);
TRACE(":handle (%p) allocating fd (%d)\n", hand, fd);
if(info == &MSVCRT___badioinfo)
return -1;
msvcrt_set_fd(info, hand, flag);
release_ioinfo(info);
return fd;
}
/* INTERNAL: Allocate a FILE* for an fd slot */
/* caller must hold the files lock */
static MSVCRT_FILE* msvcrt_alloc_fp(void)
{
int i;
MSVCRT_FILE *file;
for (i = 3; i < MSVCRT_max_streams; i++)
{
file = msvcrt_get_file(i);
if (!file)
return NULL;
if (file->_flag == 0)
{
if (i == MSVCRT_stream_idx)
{
if (file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
{
InitializeCriticalSection(&((file_crit*)file)->crit);
((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
}
MSVCRT_stream_idx++;
}
return file;
}
}
return NULL;
}
/* INTERNAL: initialize a FILE* from an open fd */
static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
{
TRACE(":fd (%d) allocating FILE*\n",fd);
if (!(get_ioinfo_nolock(fd)->wxflag & WX_OPEN))
{
WARN(":invalid fd %d\n",fd);
*MSVCRT___doserrno() = 0;
*MSVCRT__errno() = MSVCRT_EBADF;
return -1;
}
file->_ptr = file->_base = NULL;
file->_cnt = 0;
file->_file = fd;
file->_flag = stream_flags;
file->_tmpfname = NULL;
TRACE(":got FILE* (%p)\n",file);
return 0;
}
/* INTERNAL: Create an inheritance data block (for spawned process)
* The inheritance block is made of:
* 00 int nb of file descriptor (NBFD)
* 04 char file flags (wxflag): repeated for each fd
* 4+NBFD HANDLE file handle: repeated for each fd
*/
unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
{
int fd, last_fd;
char* wxflag_ptr;
HANDLE* handle_ptr;
ioinfo* fdinfo;
for (last_fd=MSVCRT_MAX_FILES-1; last_fd>=0; last_fd--)
if (get_ioinfo_nolock(last_fd)->handle != INVALID_HANDLE_VALUE)
break;
last_fd++;
*size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * last_fd;
*block = MSVCRT_calloc(1, *size);
if (!*block)
{
*size = 0;
return FALSE;
}
wxflag_ptr = (char*)*block + sizeof(unsigned);
handle_ptr = (HANDLE*)(wxflag_ptr + last_fd);
*(unsigned*)*block = last_fd;
for (fd = 0; fd < last_fd; fd++)
{
/* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
fdinfo = get_ioinfo(fd);
if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
{
*wxflag_ptr = fdinfo->wxflag;
*handle_ptr = fdinfo->handle;
}
else
{
*wxflag_ptr = 0;
*handle_ptr = INVALID_HANDLE_VALUE;
}
release_ioinfo(fdinfo);
wxflag_ptr++; handle_ptr++;
}
return TRUE;
}
/* INTERNAL: Set up all file descriptors,
* as well as default streams (stdin, stderr and stdout)
*/
void msvcrt_init_io(void)
{
STARTUPINFOA si;
int i;
ioinfo *fdinfo;
GetStartupInfoA(&si);
if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
{
BYTE* wxflag_ptr;
HANDLE* handle_ptr;
unsigned int count;
count = *(unsigned*)si.lpReserved2;
wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
handle_ptr = (HANDLE*)(wxflag_ptr + count);
count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
count = min(count, MSVCRT_MAX_FILES);
for (i = 0; i < count; i++)
{
if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
{
fdinfo = get_ioinfo_alloc_fd(i);
if(fdinfo != &MSVCRT___badioinfo)
msvcrt_set_fd(fdinfo, *handle_ptr, *wxflag_ptr);
release_ioinfo(fdinfo);
}
wxflag_ptr++; handle_ptr++;
}
}
fdinfo = get_ioinfo_alloc_fd(MSVCRT_STDIN_FILENO);
if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
DWORD type = GetFileType(h);
msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
|((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
}
release_ioinfo(fdinfo);
fdinfo = get_ioinfo_alloc_fd(MSVCRT_STDOUT_FILENO);
if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD type = GetFileType(h);
msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
|((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
}
release_ioinfo(fdinfo);
fdinfo = get_ioinfo_alloc_fd(MSVCRT_STDERR_FILENO);
if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
DWORD type = GetFileType(h);
msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
|((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
}
release_ioinfo(fdinfo);
TRACE(":handles (%p)(%p)(%p)\n", get_ioinfo_nolock(MSVCRT_STDIN_FILENO)->handle,
get_ioinfo_nolock(MSVCRT_STDOUT_FILENO)->handle,
get_ioinfo_nolock(MSVCRT_STDERR_FILENO)->handle);
memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
for (i = 0; i < 3; i++)
{
/* FILE structs for stdin/out/err are static and never deleted */
MSVCRT__iob[i]._file = i;
MSVCRT__iob[i]._tmpfname = NULL;
MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
}
MSVCRT_stream_idx = 3;
}
/* INTERNAL: Flush stdio file buffer */
static int msvcrt_flush_buffer(MSVCRT_FILE* file)
{
if((file->_flag & (MSVCRT__IOREAD|MSVCRT__IOWRT)) == MSVCRT__IOWRT &&
file->_flag & (MSVCRT__IOMYBUF|MSVCRT__USERBUF)) {
int cnt=file->_ptr-file->_base;
if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
if(file->_flag & MSVCRT__IORW)
file->_flag &= ~MSVCRT__IOWRT;
}
file->_ptr=file->_base;
file->_cnt=0;
return 0;
}
/*********************************************************************
* _isatty (MSVCRT.@)
*/
int CDECL MSVCRT__isatty(int fd)
{
TRACE(":fd (%d)\n",fd);
return get_ioinfo_nolock(fd)->wxflag & WX_TTY;
}
/* INTERNAL: Allocate stdio file buffer */
static BOOL msvcrt_alloc_buffer(MSVCRT_FILE* file)
{
if((file->_file==MSVCRT_STDOUT_FILENO || file->_file==MSVCRT_STDERR_FILENO)
&& MSVCRT__isatty(file->_file))
return FALSE;
file->_base = MSVCRT_calloc(1, MSVCRT_INTERNAL_BUFSIZ);
if(file->_base) {
file->_bufsiz = MSVCRT_INTERNAL_BUFSIZ;
file->_flag |= MSVCRT__IOMYBUF;
} else {
file->_base = (char*)(&file->_charbuf);
file->_bufsiz = 2;
file->_flag |= MSVCRT__IONBF;
}
file->_ptr = file->_base;
file->_cnt = 0;
return TRUE;
}
/* INTERNAL: Allocate temporary buffer for stdout and stderr */
static BOOL add_std_buffer(MSVCRT_FILE *file)
{
static char buffers[2][MSVCRT_BUFSIZ];
if((file->_file!=MSVCRT_STDOUT_FILENO && file->_file!=MSVCRT_STDERR_FILENO)
|| (file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))
|| !MSVCRT__isatty(file->_file))
return FALSE;
file->_ptr = file->_base = buffers[file->_file == MSVCRT_STDOUT_FILENO ? 0 : 1];
file->_bufsiz = file->_cnt = MSVCRT_BUFSIZ;
file->_flag |= MSVCRT__USERBUF;
return TRUE;
}
/* INTERNAL: Removes temporary buffer from stdout or stderr */
/* Only call this function when add_std_buffer returned TRUE */
static void remove_std_buffer(MSVCRT_FILE *file)
{
msvcrt_flush_buffer(file);
file->_ptr = file->_base = NULL;
file->_bufsiz = file->_cnt = 0;
file->_flag &= ~MSVCRT__USERBUF;
}
/* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
static int msvcrt_int_to_base32(int num, char *str)
{
char *p;
int n = num;
int digits = 0;
while (n != 0)
{
n >>= 5;
digits++;
}
p = str + digits;
*p = 0;
while (--p >= str)
{
*p = (num & 31) + '0';
if (*p > '9')
*p += ('a' - '0' - 10);
num >>= 5;
}
return digits;
}
/* INTERNAL: wide character version of msvcrt_int_to_base32 */
static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
{
MSVCRT_wchar_t *p;
int n = num;
int digits = 0;
while (n != 0)
{
n >>= 5;
digits++;
}
p = str + digits;
*p = 0;
while (--p >= str)
{
*p = (num & 31) + '0';
if (*p > '9')
*p += ('a' - '0' - 10);
num >>= 5;
}
return digits;
}
/*********************************************************************
* __iob_func(MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
{
return &MSVCRT__iob[0];
}
/*********************************************************************
* __acrt_iob_func(MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT___acrt_iob_func(unsigned idx)
{
return &MSVCRT__iob[idx];
}
/*********************************************************************
* _access (MSVCRT.@)
*/
int CDECL MSVCRT__access(const char *filename, int mode)
{
DWORD attr = GetFileAttributesA(filename);
TRACE("(%s,%d) %d\n",filename,mode,attr);
if (!filename || attr == INVALID_FILE_ATTRIBUTES)
{
msvcrt_set_errno(GetLastError());
return -1;
}
if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
{
msvcrt_set_errno(ERROR_ACCESS_DENIED);
return -1;
}
return 0;
}
/*********************************************************************
* _access_s (MSVCRT.@)
*/
int CDECL MSVCRT__access_s(const char *filename, int mode)
{
if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
if (MSVCRT__access(filename, mode) == -1)
return *MSVCRT__errno();
return 0;
}
/*********************************************************************
* _waccess (MSVCRT.@)
*/
int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
{
DWORD attr = GetFileAttributesW(filename);
TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
if (!filename || attr == INVALID_FILE_ATTRIBUTES)
{
msvcrt_set_errno(GetLastError());
return -1;
}
if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
{
msvcrt_set_errno(ERROR_ACCESS_DENIED);
return -1;
}
return 0;
}
/*********************************************************************
* _waccess_s (MSVCRT.@)
*/
int CDECL MSVCRT__waccess_s(const MSVCRT_wchar_t *filename, int mode)
{
if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
if (MSVCRT__waccess(filename, mode) == -1)
return *MSVCRT__errno();
return 0;
}
/*********************************************************************
* _chmod (MSVCRT.@)
*/
int CDECL MSVCRT__chmod(const char *path, int flags)
{
DWORD oldFlags = GetFileAttributesA(path);
if (oldFlags != INVALID_FILE_ATTRIBUTES)
{
DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
oldFlags | FILE_ATTRIBUTE_READONLY;
if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
return 0;
}
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wchmod (MSVCRT.@)
*/
int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
{
DWORD oldFlags = GetFileAttributesW(path);
if (oldFlags != INVALID_FILE_ATTRIBUTES)
{
DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
oldFlags | FILE_ATTRIBUTE_READONLY;
if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
return 0;
}
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _unlink (MSVCRT.@)
*/
int CDECL MSVCRT__unlink(const char *path)
{
TRACE("%s\n",debugstr_a(path));
if(DeleteFileA(path))
return 0;
TRACE("failed (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wunlink (MSVCRT.@)
*/
int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
{
TRACE("(%s)\n",debugstr_w(path));
if(DeleteFileW(path))
return 0;
TRACE("failed (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _commit (MSVCRT.@)
*/
int CDECL MSVCRT__commit(int fd)
{
ioinfo *info = get_ioinfo(fd);
int ret;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
ret = -1;
else if (!FlushFileBuffers(info->handle))
{
if (GetLastError() == ERROR_INVALID_HANDLE)
{
/* FlushFileBuffers fails for console handles
* so we ignore this error.
*/
ret = 0;
}
else
{
TRACE(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
ret = -1;
}
}
else
{
TRACE(":ok\n");
ret = 0;
}
release_ioinfo(info);
return ret;
}
/* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
/* INTERNAL: Flush all stream buffer */
static int msvcrt_flush_all_buffers(int mask)
{
int i, num_flushed = 0;
MSVCRT_FILE *file;
LOCK_FILES();
for (i = 0; i < MSVCRT_stream_idx; i++) {
file = msvcrt_get_file(i);
if (file->_flag)
{
if(file->_flag & mask) {
MSVCRT_fflush(file);
num_flushed++;
}
}
}
UNLOCK_FILES();
TRACE(":flushed (%d) handles\n",num_flushed);
return num_flushed;
}
/*********************************************************************
* _flushall (MSVCRT.@)
*/
int CDECL MSVCRT__flushall(void)
{
return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD);
}
/*********************************************************************
* fflush (MSVCRT.@)
*/
int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
{
int ret;
if(!file) {
msvcrt_flush_all_buffers(MSVCRT__IOWRT);
ret = 0;
} else {
MSVCRT__lock_file(file);
ret = MSVCRT__fflush_nolock(file);
MSVCRT__unlock_file(file);
}
return ret;
}
/*********************************************************************
* _fflush_nolock (MSVCRT.@)
*/
int CDECL MSVCRT__fflush_nolock(MSVCRT_FILE* file)
{
int res;
if(!file) {
msvcrt_flush_all_buffers(MSVCRT__IOWRT);
return 0;
}
res = msvcrt_flush_buffer(file);
if(!res && (file->_flag & MSVCRT__IOCOMMIT))
res = MSVCRT__commit(file->_file) ? MSVCRT_EOF : 0;
return res;
}
/*********************************************************************
* _close (MSVCRT.@)
*/
int CDECL MSVCRT__close(int fd)
{
ioinfo *info = get_ioinfo(fd);
int ret;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (!(info->wxflag & WX_OPEN)) {
ret = -1;
} else if (fd == MSVCRT_STDOUT_FILENO &&
info->handle == get_ioinfo_nolock(MSVCRT_STDERR_FILENO)->handle) {
msvcrt_free_fd(fd);
ret = 0;
} else if (fd == MSVCRT_STDERR_FILENO &&
info->handle == get_ioinfo_nolock(MSVCRT_STDOUT_FILENO)->handle) {
msvcrt_free_fd(fd);
ret = 0;
} else {
ret = CloseHandle(info->handle) ? 0 : -1;
msvcrt_free_fd(fd);
if (ret) {
WARN(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
}
}
release_ioinfo(info);
return ret;
}
/*********************************************************************
* _dup2 (MSVCRT.@)
* NOTES
* MSDN isn't clear on this point, but the remarks for _pipe
* indicate file descriptors duplicated with _dup and _dup2 are always
* inheritable.
*/
int CDECL MSVCRT__dup2(int od, int nd)
{
ioinfo *info_od, *info_nd;
int ret;
TRACE("(od=%d, nd=%d)\n", od, nd);
if (od < nd)
{
info_od = get_ioinfo(od);
info_nd = get_ioinfo_alloc_fd(nd);
}
else
{
info_nd = get_ioinfo_alloc_fd(nd);
info_od = get_ioinfo(od);
}
if (info_nd == &MSVCRT___badioinfo)
{
ret = -1;
}
else if (info_od->wxflag & WX_OPEN)
{
HANDLE handle;
if (DuplicateHandle(GetCurrentProcess(), info_od->handle,
GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
{
int wxflag = info_od->wxflag & ~MSVCRT__O_NOINHERIT;
if (info_nd->wxflag & WX_OPEN)
MSVCRT__close(nd);
msvcrt_set_fd(info_nd, handle, wxflag);
/* _dup2 returns 0, not nd, on success */
ret = 0;
}
else
{
ret = -1;
msvcrt_set_errno(GetLastError());
}
}
else
{
*MSVCRT__errno() = MSVCRT_EBADF;
ret = -1;
}
release_ioinfo(info_od);
release_ioinfo(info_nd);
return ret;
}
/*********************************************************************
* _dup (MSVCRT.@)
*/
int CDECL MSVCRT__dup(int od)
{
int fd, ret;
ioinfo *info = get_ioinfo_alloc(&fd);
if (MSVCRT__dup2(od, fd) == 0)
ret = fd;
else
ret = -1;
release_ioinfo(info);
return ret;
}
/*********************************************************************
* _eof (MSVCRT.@)
*/
int CDECL MSVCRT__eof(int fd)
{
ioinfo *info = get_ioinfo(fd);
DWORD curpos,endpos;
LONG hcurpos,hendpos;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
{
release_ioinfo(info);
return -1;
}
if (info->wxflag & WX_ATEOF)
{
release_ioinfo(info);
return TRUE;
}
/* Otherwise we do it the hard way */
hcurpos = hendpos = 0;
curpos = SetFilePointer(info->handle, 0, &hcurpos, FILE_CURRENT);
endpos = SetFilePointer(info->handle, 0, &hendpos, FILE_END);
if (curpos == endpos && hcurpos == hendpos)
{
/* FIXME: shouldn't WX_ATEOF be set here? */
release_ioinfo(info);
return TRUE;
}
SetFilePointer(info->handle, curpos, &hcurpos, FILE_BEGIN);
release_ioinfo(info);
return FALSE;
}
/*********************************************************************
* _fcloseall (MSVCRT.@)
*/
int CDECL MSVCRT__fcloseall(void)
{
int num_closed = 0, i;
MSVCRT_FILE *file;
LOCK_FILES();
for (i = 3; i < MSVCRT_stream_idx; i++) {
file = msvcrt_get_file(i);
if (file->_flag && !MSVCRT_fclose(file))
num_closed++;
}
UNLOCK_FILES();
TRACE(":closed (%d) handles\n",num_closed);
return num_closed;
}
/* free everything on process exit */
void msvcrt_free_io(void)
{
unsigned int i;
int j;
MSVCRT__flushall();
MSVCRT__fcloseall();
for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
{
if(!MSVCRT___pioinfo[i])
continue;
for(j=0; j<MSVCRT_FD_BLOCK_SIZE; j++)
{
if(MSVCRT___pioinfo[i][j].exflag & EF_CRIT_INIT)
DeleteCriticalSection(&MSVCRT___pioinfo[i][j].crit);
}
MSVCRT_free(MSVCRT___pioinfo[i]);
}
for(j=0; j<MSVCRT_stream_idx; j++)
{
MSVCRT_FILE *file = msvcrt_get_file(j);
if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
{
((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&((file_crit*)file)->crit);
}
}
for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
MSVCRT_free(MSVCRT_fstream[i]);
}
/*********************************************************************
* _lseeki64 (MSVCRT.@)
*/
__int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
{
ioinfo *info = get_ioinfo(fd);
LARGE_INTEGER ofs;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
{
release_ioinfo(info);
return -1;
}
if (whence < 0 || whence > 2)
{
release_ioinfo(info);
*MSVCRT__errno() = MSVCRT_EINVAL;
return -1;
}
TRACE(":fd (%d) to %s pos %s\n",
fd,wine_dbgstr_longlong(offset),
(whence==MSVCRT_SEEK_SET)?"SEEK_SET":
(whence==MSVCRT_SEEK_CUR)?"SEEK_CUR":
(whence==MSVCRT_SEEK_END)?"SEEK_END":"UNKNOWN");
/* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
* so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
ofs.QuadPart = offset;
if ((ofs.u.LowPart = SetFilePointer(info->handle, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
GetLastError() == ERROR_SUCCESS)
{
info->wxflag &= ~WX_ATEOF;
/* FIXME: What if we seek _to_ EOF - is EOF set? */
release_ioinfo(info);
return ofs.QuadPart;
}
release_ioinfo(info);
TRACE(":error-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _lseek (MSVCRT.@)
*/
LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
{
return MSVCRT__lseeki64(fd, offset, whence);
}
/*********************************************************************
* _lock_file (MSVCRT.@)
*/
void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
{
if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
_lock(_STREAM_LOCKS+(file-MSVCRT__iob));
else
EnterCriticalSection(&((file_crit*)file)->crit);
}
/*********************************************************************
* _unlock_file (MSVCRT.@)
*/
void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
{
if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
_unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
else
LeaveCriticalSection(&((file_crit*)file)->crit);
}
/*********************************************************************
* _locking (MSVCRT.@)
*
* This is untested; the underlying LockFile doesn't work yet.
*/
int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
{
ioinfo *info = get_ioinfo(fd);
BOOL ret;
DWORD cur_locn;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
{
release_ioinfo(info);
return -1;
}
if (mode < 0 || mode > 4)
{
release_ioinfo(info);
*MSVCRT__errno() = MSVCRT_EINVAL;
return -1;
}
TRACE(":fd (%d) by 0x%08x mode %s\n",
fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
(mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
(mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
(mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
(mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
"UNKNOWN");
if ((cur_locn = SetFilePointer(info->handle, 0L, NULL, FILE_CURRENT)) == INVALID_SET_FILE_POINTER)
{
release_ioinfo(info);
FIXME ("Seek failed\n");
*MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
return -1;
}
if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
{
int nretry = 10;
ret = 1; /* just to satisfy gcc */
while (nretry--)
{
ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
if (ret) break;
Sleep(1);
}
}
else if (mode == MSVCRT__LK_UNLCK)
ret = UnlockFile(info->handle, cur_locn, 0L, nbytes, 0L);
else
ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
/* FIXME - what about error settings? */
release_ioinfo(info);
return ret ? 0 : -1;
}
/*********************************************************************
* _fseeki64 (MSVCRT.@)
*/
int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
{
int ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fseeki64_nolock(file, offset, whence);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fseeki64_nolock (MSVCRT.@)
*/
int CDECL MSVCRT__fseeki64_nolock(MSVCRT_FILE* file, __int64 offset, int whence)
{
int ret;
if(whence == MSVCRT_SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
whence = MSVCRT_SEEK_SET;
offset += MSVCRT__ftelli64_nolock(file);
}
/* Flush output if needed */
msvcrt_flush_buffer(file);
/* Reset direction of i/o */
if(file->_flag & MSVCRT__IORW) {
file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
}
/* Clear end of file flag */
file->_flag &= ~MSVCRT__IOEOF;
ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
return ret;
}
/*********************************************************************
* fseek (MSVCRT.@)
*/
int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
{
return MSVCRT__fseeki64( file, offset, whence );
}
/*********************************************************************
* _fseek_nolock (MSVCRT.@)
*/
int CDECL MSVCRT__fseek_nolock(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
{
return MSVCRT__fseeki64_nolock( file, offset, whence );
}
/*********************************************************************
* _chsize_s (MSVCRT.@)
*/
int CDECL MSVCRT__chsize_s(int fd, __int64 size)
{
ioinfo *info;
__int64 cur, pos;
BOOL ret = FALSE;
TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size));
if (!MSVCRT_CHECK_PMT(size >= 0)) return MSVCRT_EINVAL;
info = get_ioinfo(fd);
if (info->handle != INVALID_HANDLE_VALUE)
{
/* save the current file pointer */
cur = MSVCRT__lseeki64(fd, 0, MSVCRT_SEEK_CUR);
if (cur >= 0)
{
pos = MSVCRT__lseeki64(fd, size, MSVCRT_SEEK_SET);
if (pos >= 0)
{
ret = SetEndOfFile(info->handle);
if (!ret) msvcrt_set_errno(GetLastError());
}
/* restore the file pointer */
MSVCRT__lseeki64(fd, cur, MSVCRT_SEEK_SET);
}
}
release_ioinfo(info);
return ret ? 0 : *MSVCRT__errno();
}
/*********************************************************************
* _chsize (MSVCRT.@)
*/
int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
{
/* _chsize_s returns errno on failure but _chsize should return -1 */
return MSVCRT__chsize_s( fd, size ) == 0 ? 0 : -1;
}
/*********************************************************************
* clearerr (MSVCRT.@)
*/
void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
MSVCRT__lock_file(file);
file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
MSVCRT__unlock_file(file);
}
/*********************************************************************
* rewind (MSVCRT.@)
*/
void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
MSVCRT__lock_file(file);
MSVCRT__fseek_nolock(file, 0L, MSVCRT_SEEK_SET);
MSVCRT_clearerr(file);
MSVCRT__unlock_file(file);
}
static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
{
int plus = strchrW(mode, '+') != NULL;
TRACE("%s\n", debugstr_w(mode));
while(*mode == ' ') mode++;
switch(*mode++)
{
case 'R': case 'r':
*open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
*stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
break;
case 'W': case 'w':
*open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
*stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
break;
case 'A': case 'a':
*open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
*stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
break;
default:
MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
return -1;
}
*stream_flags |= MSVCRT__commode;
while (*mode && *mode!=',')
switch (*mode++)
{
case 'B': case 'b':
*open_flags |= MSVCRT__O_BINARY;
*open_flags &= ~MSVCRT__O_TEXT;
break;
case 't':
*open_flags |= MSVCRT__O_TEXT;
*open_flags &= ~MSVCRT__O_BINARY;
break;
case 'D':
*open_flags |= MSVCRT__O_TEMPORARY;
break;
case 'T':
*open_flags |= MSVCRT__O_SHORT_LIVED;
break;
case 'c':
*stream_flags |= MSVCRT__IOCOMMIT;
break;
case 'n':
*stream_flags &= ~MSVCRT__IOCOMMIT;
break;
case 'N':
*open_flags |= MSVCRT__O_NOINHERIT;
break;
case '+':
case ' ':
case 'a':
case 'w':
break;
case 'S':
case 'R':
FIXME("ignoring cache optimization flag: %c\n", mode[-1]);
break;
default:
ERR("incorrect mode flag: %c\n", mode[-1]);
break;
}
if(*mode == ',')
{
static const WCHAR ccs[] = {'c','c','s'};
static const WCHAR utf8[] = {'u','t','f','-','8'};
static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
mode++;
while(*mode == ' ') mode++;
if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
return -1;
mode += sizeof(ccs)/sizeof(ccs[0]);
while(*mode == ' ') mode++;
if(!MSVCRT_CHECK_PMT(*mode == '='))
return -1;
mode++;
while(*mode == ' ') mode++;
if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
{
*open_flags |= MSVCRT__O_U8TEXT;
mode += sizeof(utf8)/sizeof(utf8[0]);
}
else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
{
*open_flags |= MSVCRT__O_U16TEXT;
mode += sizeof(utf16le)/sizeof(utf16le[0]);
}
else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
{
*open_flags |= MSVCRT__O_WTEXT;
mode += sizeof(unicode)/sizeof(unicode[0]);
}
else
{
MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
return -1;
}
while(*mode == ' ') mode++;
}
if(!MSVCRT_CHECK_PMT(*mode == 0))
return -1;
return 0;
}
/*********************************************************************
* _fdopen (MSVCRT.@)
*/
MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
{
MSVCRT_FILE *ret;
MSVCRT_wchar_t *modeW = NULL;
if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
ret = MSVCRT__wfdopen(fd, modeW);
MSVCRT_free(modeW);
return ret;
}
/*********************************************************************
* _wfdopen (MSVCRT.@)
*/
MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
{
int open_flags, stream_flags;
MSVCRT_FILE* file;
if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
LOCK_FILES();
if (!(file = msvcrt_alloc_fp()))
file = NULL;
else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
{
file->_flag = 0;
file = NULL;
}
else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* _filelength (MSVCRT.@)
*/
LONG CDECL MSVCRT__filelength(int fd)
{
LONG curPos = MSVCRT__lseek(fd, 0, MSVCRT_SEEK_CUR);
if (curPos != -1)
{
LONG endPos = MSVCRT__lseek(fd, 0, MSVCRT_SEEK_END);
if (endPos != -1)
{
if (endPos != curPos)
MSVCRT__lseek(fd, curPos, MSVCRT_SEEK_SET);
return endPos;
}
}
return -1;
}
/*********************************************************************
* _filelengthi64 (MSVCRT.@)
*/
__int64 CDECL MSVCRT__filelengthi64(int fd)
{
__int64 curPos = MSVCRT__lseeki64(fd, 0, MSVCRT_SEEK_CUR);
if (curPos != -1)
{
__int64 endPos = MSVCRT__lseeki64(fd, 0, MSVCRT_SEEK_END);
if (endPos != -1)
{
if (endPos != curPos)
MSVCRT__lseeki64(fd, curPos, MSVCRT_SEEK_SET);
return endPos;
}
}
return -1;
}
/*********************************************************************
* _fileno (MSVCRT.@)
*/
int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
{
TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
return file->_file;
}
/*********************************************************************
* _fstat64 (MSVCRT.@)
*/
int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
{
ioinfo *info = get_ioinfo(fd);
DWORD dw;
DWORD type;
BY_HANDLE_FILE_INFORMATION hfi;
TRACE(":fd (%d) stat (%p)\n", fd, buf);
if (info->handle == INVALID_HANDLE_VALUE)
{
release_ioinfo(info);
return -1;
}
if (!buf)
{
WARN(":failed-NULL buf\n");
msvcrt_set_errno(ERROR_INVALID_PARAMETER);
release_ioinfo(info);
return -1;
}
memset(&hfi, 0, sizeof(hfi));
memset(buf, 0, sizeof(struct MSVCRT__stat64));
type = GetFileType(info->handle);
if (type == FILE_TYPE_PIPE)
{
buf->st_dev = buf->st_rdev = fd;
buf->st_mode = MSVCRT__S_IFIFO;
buf->st_nlink = 1;
}
else if (type == FILE_TYPE_CHAR)
{
buf->st_dev = buf->st_rdev = fd;
buf->st_mode = MSVCRT__S_IFCHR;
buf->st_nlink = 1;
}
else /* FILE_TYPE_DISK etc. */
{
if (!GetFileInformationByHandle(info->handle, &hfi))
{
WARN(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(ERROR_INVALID_PARAMETER);
release_ioinfo(info);
return -1;
}
buf->st_mode = MSVCRT__S_IFREG | 0444;
if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
buf->st_mode |= 0222;
buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
buf->st_atime = dw;
RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
buf->st_mtime = buf->st_ctime = dw;
buf->st_nlink = hfi.nNumberOfLinks;
}
TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
buf->st_mode);
release_ioinfo(info);
return 0;
}
/*********************************************************************
* _fstati64 (MSVCRT.@)
*/
int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__fstat64(fd, &buf64);
if (!ret)
msvcrt_stat64_to_stati64(&buf64, buf);
return ret;
}
/*********************************************************************
* _fstat (MSVCRT.@)
*/
int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
{ int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__fstat64(fd, &buf64);
if (!ret)
msvcrt_stat64_to_stat(&buf64, buf);
return ret;
}
/*********************************************************************
* _fstat32 (MSVCR80.@)
*/
int CDECL MSVCRT__fstat32(int fd, struct MSVCRT__stat32* buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__fstat64(fd, &buf64);
if (!ret)
msvcrt_stat64_to_stat32(&buf64, buf);
return ret;
}
/*********************************************************************
* _fstat32i64 (MSVCR80.@)
*/
int CDECL MSVCRT__fstat32i64(int fd, struct MSVCRT__stat32i64* buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__fstat64(fd, &buf64);
if (!ret)
msvcrt_stat64_to_stat32i64(&buf64, buf);
return ret;
}
/*********************************************************************
* _fstat64i32 (MSVCR80.@)
*/
int CDECL MSVCRT__fstat64i32(int fd, struct MSVCRT__stat64i32* buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__fstat64(fd, &buf64);
if (!ret)
msvcrt_stat64_to_stat64i32(&buf64, buf);
return ret;
}
/*********************************************************************
* _futime64 (MSVCRT.@)
*/
int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
{
ioinfo *info = get_ioinfo(fd);
FILETIME at, wt;
if (!t)
{
time_to_filetime( MSVCRT__time64(NULL), &at );
wt = at;
}
else
{
time_to_filetime( t->actime, &at );
time_to_filetime( t->modtime, &wt );
}
if (!SetFileTime(info->handle, NULL, &at, &wt))
{
release_ioinfo(info);
msvcrt_set_errno(GetLastError());
return -1 ;
}
release_ioinfo(info);
return 0;
}
/*********************************************************************
* _futime32 (MSVCRT.@)
*/
int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
{
if (t)
{
struct MSVCRT___utimbuf64 t64;
t64.actime = t->actime;
t64.modtime = t->modtime;
return _futime64( fd, &t64 );
}
else
return _futime64( fd, NULL );
}
/*********************************************************************
* _futime (MSVCRT.@)
*/
#ifdef _WIN64
int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
{
return _futime64( fd, t );
}
#else
int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
{
return _futime32( fd, t );
}
#endif
/*********************************************************************
* _get_osfhandle (MSVCRT.@)
*/
MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
{
HANDLE hand = get_ioinfo_nolock(fd)->handle;
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if(hand == INVALID_HANDLE_VALUE)
*MSVCRT__errno() = MSVCRT_EBADF;
return (MSVCRT_intptr_t)hand;
}
/*********************************************************************
* _mktemp_s (MSVCRT.@)
*/
int CDECL MSVCRT__mktemp_s(char *pattern, MSVCRT_size_t size)
{
DWORD len, xno, id;
if(!MSVCRT_CHECK_PMT(pattern!=NULL))
return MSVCRT_EINVAL;
for(len=0; len<size; len++)
if(!pattern[len])
break;
if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
if(size)
pattern[0] = 0;
return MSVCRT_EINVAL;
}
for(xno=1; xno<=6; xno++)
if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
return MSVCRT_EINVAL;
id = GetCurrentProcessId();
for(xno=1; xno<6; xno++) {
pattern[len-xno] = id%10 + '0';
id /= 10;
}
for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
if(GetFileAttributesA(pattern) == INVALID_FILE_ATTRIBUTES)
return 0;
}
pattern[0] = 0;
*MSVCRT__errno() = MSVCRT_EEXIST;
return MSVCRT_EEXIST;
}
/*********************************************************************
* _mktemp (MSVCRT.@)
*/
char * CDECL MSVCRT__mktemp(char *pattern)
{
int numX = 0;
char *retVal = pattern;
int id;
char letter = 'a';
if(!pattern)
return NULL;
while(*pattern)
numX = (*pattern++ == 'X')? numX + 1 : 0;
if (numX < 6)
return NULL;
pattern--;
id = GetCurrentProcessId();
numX = 6;
while(numX--)
{
int tempNum = id / 10;
*pattern-- = id - (tempNum * 10) + '0';
id = tempNum;
}
pattern++;
do
{
*pattern = letter++;
if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
return retVal;
} while(letter <= 'z');
return NULL;
}
/*********************************************************************
* _wmktemp_s (MSVCRT.@)
*/
int CDECL MSVCRT__wmktemp_s(MSVCRT_wchar_t *pattern, MSVCRT_size_t size)
{
DWORD len, xno, id;
if(!MSVCRT_CHECK_PMT(pattern!=NULL))
return MSVCRT_EINVAL;
for(len=0; len<size; len++)
if(!pattern[len])
break;
if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
if(size)
pattern[0] = 0;
return MSVCRT_EINVAL;
}
for(xno=1; xno<=6; xno++)
if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
return MSVCRT_EINVAL;
id = GetCurrentProcessId();
for(xno=1; xno<6; xno++) {
pattern[len-xno] = id%10 + '0';
id /= 10;
}
for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
if(GetFileAttributesW(pattern) == INVALID_FILE_ATTRIBUTES)
return 0;
}
pattern[0] = 0;
*MSVCRT__errno() = MSVCRT_EEXIST;
return MSVCRT_EEXIST;
}
/*********************************************************************
* _wmktemp (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
{
int numX = 0;
MSVCRT_wchar_t *retVal = pattern;
int id;
MSVCRT_wchar_t letter = 'a';
if(!pattern)
return NULL;
while(*pattern)
numX = (*pattern++ == 'X')? numX + 1 : 0;
if (numX < 6)
return NULL;
pattern--;
id = GetCurrentProcessId();
numX = 6;
while(numX--)
{
int tempNum = id / 10;
*pattern-- = id - (tempNum * 10) + '0';
id = tempNum;
}
pattern++;
do
{
if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES)
return retVal;
*pattern = letter++;
} while(letter != '|');
return NULL;
}
static unsigned split_oflags(unsigned oflags)
{
int wxflags = 0;
unsigned unsupp; /* until we support everything */
if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
else if (oflags & MSVCRT__O_WTEXT) wxflags |= WX_TEXT;
else if (oflags & MSVCRT__O_U16TEXT) wxflags |= WX_TEXT;
else if (oflags & MSVCRT__O_U8TEXT) wxflags |= WX_TEXT;
else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
else wxflags |= WX_TEXT; /* default to TEXT*/
if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
if ((unsupp = oflags & ~(
MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
MSVCRT__O_NOINHERIT|
MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED|
MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT
)))
ERR(":unsupported oflags 0x%04x\n",unsupp);
return wxflags;
}
/*********************************************************************
* _pipe (MSVCRT.@)
*/
int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
{
int ret = -1;
SECURITY_ATTRIBUTES sa;
HANDLE readHandle, writeHandle;
if (!pfds)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return -1;
}
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
sa.lpSecurityDescriptor = NULL;
if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
{
unsigned int wxflags = split_oflags(textmode);
int fd;
fd = msvcrt_alloc_fd(readHandle, wxflags|WX_PIPE);
if (fd != -1)
{
pfds[0] = fd;
fd = msvcrt_alloc_fd(writeHandle, wxflags|WX_PIPE);
if (fd != -1)
{
pfds[1] = fd;
ret = 0;
}
else
{
MSVCRT__close(pfds[0]);
CloseHandle(writeHandle);
*MSVCRT__errno() = MSVCRT_EMFILE;
}
}
else
{
CloseHandle(readHandle);
CloseHandle(writeHandle);
*MSVCRT__errno() = MSVCRT_EMFILE;
}
}
else
msvcrt_set_errno(GetLastError());
return ret;
}
static int check_bom(HANDLE h, int oflags, BOOL seek)
{
char bom[sizeof(utf8_bom)];
DWORD r;
oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
return oflags;
if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
oflags |= MSVCRT__O_U8TEXT;
}else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
if (seek && r>2)
SetFilePointer(h, 2, NULL, FILE_BEGIN);
oflags |= MSVCRT__O_U16TEXT;
}else if (seek) {
SetFilePointer(h, 0, NULL, FILE_BEGIN);
}
return oflags;
}
/*********************************************************************
* _wsopen_dispatch (UCRTBASE.@)
*/
int CDECL MSVCRT__wsopen_dispatch( const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode,
int *fd, int secure )
{
DWORD access = 0, creation = 0, attrib;
SECURITY_ATTRIBUTES sa;
DWORD sharing, type;
int wxflag;
HANDLE hand;
TRACE("path: (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x fd*: %p secure: %d\n",
debugstr_w(path), oflags, shflags, pmode, fd, secure);
if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
*fd = -1;
wxflag = split_oflags(oflags);
switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
{
case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
}
if (oflags & MSVCRT__O_CREAT)
{
if (secure && !MSVCRT_CHECK_PMT(!(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))))
return MSVCRT_EINVAL;
if (oflags & MSVCRT__O_EXCL)
creation = CREATE_NEW;
else if (oflags & MSVCRT__O_TRUNC)
creation = CREATE_ALWAYS;
else
creation = OPEN_ALWAYS;
}
else /* no MSVCRT__O_CREAT */
{
if (oflags & MSVCRT__O_TRUNC)
creation = TRUNCATE_EXISTING;
else
creation = OPEN_EXISTING;
}
switch( shflags )
{
case MSVCRT__SH_DENYRW:
sharing = 0L;
break;
case MSVCRT__SH_DENYWR:
sharing = FILE_SHARE_READ;
break;
case MSVCRT__SH_DENYRD:
sharing = FILE_SHARE_WRITE;
break;
case MSVCRT__SH_DENYNO:
sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
break;
default:
ERR( "Unhandled shflags 0x%x\n", shflags );
return MSVCRT_EINVAL;
}
if (!(pmode & ~MSVCRT_umask & MSVCRT__S_IWRITE))
attrib = FILE_ATTRIBUTE_READONLY;
else
attrib = FILE_ATTRIBUTE_NORMAL;
if (oflags & MSVCRT__O_TEMPORARY)
{
attrib |= FILE_FLAG_DELETE_ON_CLOSE;
access |= DELETE;
sharing |= FILE_SHARE_DELETE;
}
sa.nLength = sizeof( SECURITY_ATTRIBUTES );
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = !(oflags & MSVCRT__O_NOINHERIT);
if ((oflags&(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
&& (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
&& !(access&GENERIC_READ))
{
hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
&sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (hand != INVALID_HANDLE_VALUE)
{
oflags = check_bom(hand, oflags, FALSE);
CloseHandle(hand);
}
else
oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
}
hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
if (hand == INVALID_HANDLE_VALUE) {
WARN(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return *MSVCRT__errno();
}
if (oflags & (MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
{
if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
|| creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
|| (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
{
if (oflags & MSVCRT__O_U8TEXT)
{
DWORD written = 0, tmp;
while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
sizeof(utf8_bom)-written, &tmp, NULL))
written += tmp;
if (written != sizeof(utf8_bom)) {
WARN("error writing BOM\n");
CloseHandle(hand);
msvcrt_set_errno(GetLastError());
return *MSVCRT__errno();
}
}
else
{
DWORD written = 0, tmp;
while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
sizeof(utf16_bom)-written, &tmp, NULL))
written += tmp;
if (written != sizeof(utf16_bom))
{
WARN("error writing BOM\n");
CloseHandle(hand);
msvcrt_set_errno(GetLastError());
return *MSVCRT__errno();
}
}
}
else if (access & GENERIC_READ)
oflags = check_bom(hand, oflags, TRUE);
}
type = GetFileType(hand);
if (type == FILE_TYPE_CHAR)
wxflag |= WX_TTY;
else if (type == FILE_TYPE_PIPE)
wxflag |= WX_PIPE;
*fd = msvcrt_alloc_fd(hand, wxflag);
if (*fd == -1)
return *MSVCRT__errno();
if (oflags & MSVCRT__O_WTEXT)
get_ioinfo_nolock(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
else if (oflags & MSVCRT__O_U16TEXT)
get_ioinfo_nolock(*fd)->exflag |= EF_UTF16;
else if (oflags & MSVCRT__O_U8TEXT)
get_ioinfo_nolock(*fd)->exflag |= EF_UTF8;
TRACE(":fd (%d) handle (%p)\n", *fd, hand);
return 0;
}
/*********************************************************************
* _wsopen_s (MSVCRT.@)
*/
int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
{
return MSVCRT__wsopen_dispatch( path, oflags, shflags, pmode, fd, 1 );
}
/*********************************************************************
* _wsopen (MSVCRT.@)
*/
int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
{
int pmode;
int fd;
if (oflags & MSVCRT__O_CREAT)
{
__ms_va_list ap;
__ms_va_start(ap, shflags);
pmode = va_arg(ap, int);
__ms_va_end(ap);
}
else
pmode = 0;
return MSVCRT__wsopen_dispatch(path, oflags, shflags, pmode, &fd, 0) ? -1 : fd;
}
/*********************************************************************
* _sopen_dispatch (UCRTBASE.@)
*/
int CDECL MSVCRT__sopen_dispatch( const char *path, int oflags, int shflags,
int pmode, int *fd, int secure)
{
MSVCRT_wchar_t *pathW;
int ret;
if (!MSVCRT_CHECK_PMT(fd != NULL))
return MSVCRT_EINVAL;
*fd = -1;
if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
return MSVCRT_EINVAL;
ret = MSVCRT__wsopen_dispatch(pathW, oflags, shflags, pmode, fd, secure);
MSVCRT_free(pathW);
return ret;
}
/*********************************************************************
* _sopen_s (MSVCRT.@)
*/
int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
{
return MSVCRT__sopen_dispatch(path, oflags, shflags, pmode, fd, 1);
}
/*********************************************************************
* _sopen (MSVCRT.@)
*/
int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
{
int pmode;
int fd;
if (oflags & MSVCRT__O_CREAT)
{
__ms_va_list ap;
__ms_va_start(ap, shflags);
pmode = va_arg(ap, int);
__ms_va_end(ap);
}
else
pmode = 0;
return MSVCRT__sopen_dispatch(path, oflags, shflags, pmode, &fd, 0) ? -1 : fd;
}
/*********************************************************************
* _open (MSVCRT.@)
*/
int CDECL MSVCRT__open( const char *path, int flags, ... )
{
__ms_va_list ap;
if (flags & MSVCRT__O_CREAT)
{
int pmode;
__ms_va_start(ap, flags);
pmode = va_arg(ap, int);
__ms_va_end(ap);
return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
}
else
return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
}
/*********************************************************************
* _wopen (MSVCRT.@)
*/
int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
{
__ms_va_list ap;
if (flags & MSVCRT__O_CREAT)
{
int pmode;
__ms_va_start(ap, flags);
pmode = va_arg(ap, int);
__ms_va_end(ap);
return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
}
else
return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
}
/*********************************************************************
* _creat (MSVCRT.@)
*/
int CDECL MSVCRT__creat(const char *path, int pmode)
{
int flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | MSVCRT__O_RDWR;
return MSVCRT__open(path, flags, pmode);
}
/*********************************************************************
* _wcreat (MSVCRT.@)
*/
int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int pmode)
{
int flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | MSVCRT__O_RDWR;
return MSVCRT__wopen(path, flags, pmode);
}
/*********************************************************************
* _open_osfhandle (MSVCRT.@)
*/
int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
{
DWORD flags;
int fd;
/* MSVCRT__O_RDONLY (0) always matches, so set the read flag
* MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
* file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
* text - it never sets MSVCRT__O_BINARY.
*/
/* don't let split_oflags() decide the mode if no mode is passed */
if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
oflags |= MSVCRT__O_BINARY;
flags = GetFileType((HANDLE)handle);
if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
{
msvcrt_set_errno(GetLastError());
return -1;
}
if (flags == FILE_TYPE_CHAR)
flags = WX_TTY;
else if (flags == FILE_TYPE_PIPE)
flags = WX_PIPE;
else
flags = 0;
flags |= split_oflags(oflags);
fd = msvcrt_alloc_fd((HANDLE)handle, flags);
TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
return fd;
}
/*********************************************************************
* _rmtmp (MSVCRT.@)
*/
int CDECL MSVCRT__rmtmp(void)
{
int num_removed = 0, i;
MSVCRT_FILE *file;
LOCK_FILES();
for (i = 3; i < MSVCRT_stream_idx; i++) {
file = msvcrt_get_file(i);
if (file->_tmpfname)
{
MSVCRT_fclose(file);
num_removed++;
}
}
UNLOCK_FILES();
if (num_removed)
TRACE(":removed (%d) temp files\n",num_removed);
return num_removed;
}
static inline int get_utf8_char_len(char ch)
{
if((ch&0xf8) == 0xf0)
return 4;
else if((ch&0xf0) == 0xe0)
return 3;
else if((ch&0xe0) == 0xc0)
return 2;
return 1;
}
/*********************************************************************
* (internal) read_utf8
*/
static int read_utf8(ioinfo *fdinfo, MSVCRT_wchar_t *buf, unsigned int count)
{
HANDLE hand = fdinfo->handle;
char min_buf[4], *readbuf, lookahead;
DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
/* make the buffer big enough to hold at least one character */
/* read bytes have to fit to output and lookahead buffers */
count /= 2;
readbuf_size = count < 4 ? 4 : count;
if(readbuf_size<=4 || !(readbuf = MSVCRT_malloc(readbuf_size))) {
readbuf_size = 4;
readbuf = min_buf;
}
if(fdinfo->lookahead[0] != '\n') {
readbuf[pos++] = fdinfo->lookahead[0];
fdinfo->lookahead[0] = '\n';
if(fdinfo->lookahead[1] != '\n') {
readbuf[pos++] = fdinfo->lookahead[1];
fdinfo->lookahead[1] = '\n';
if(fdinfo->lookahead[2] != '\n') {
readbuf[pos++] = fdinfo->lookahead[2];
fdinfo->lookahead[2] = '\n';
}
}
}
/* NOTE: this case is broken in native dll, reading
* sometimes fails when small buffer is passed
*/
if(count < 4) {
if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
if (GetLastError() == ERROR_BROKEN_PIPE) {
fdinfo->wxflag |= WX_ATEOF;
return 0;
}else {
msvcrt_set_errno(GetLastError());
return -1;
}
}else if(!num_read) {
fdinfo->wxflag |= WX_ATEOF;
return 0;
}else {
pos++;
}
char_len = get_utf8_char_len(readbuf[0]);
if(char_len>pos) {
if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
pos += num_read;
}
if(readbuf[0] == '\n')
fdinfo->wxflag |= WX_READNL;
else
fdinfo->wxflag &= ~WX_READNL;
if(readbuf[0] == 0x1a) {
fdinfo->wxflag |= WX_ATEOF;
return 0;
}
if(readbuf[0] == '\r') {
if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
buf[0] = '\r';
else if(lookahead == '\n')
buf[0] = '\n';
else {
buf[0] = '\r';
if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
fdinfo->lookahead[0] = lookahead;
else
SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
}
return 2;
}
if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
msvcrt_set_errno(GetLastError());
return -1;
}
return num_read*2;
}
if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
if(pos) {
num_read = 0;
}else if(GetLastError() == ERROR_BROKEN_PIPE) {
fdinfo->wxflag |= WX_ATEOF;
if (readbuf != min_buf) MSVCRT_free(readbuf);
return 0;
}else {
msvcrt_set_errno(GetLastError());
if (readbuf != min_buf) MSVCRT_free(readbuf);
return -1;
}
}else if(!pos && !num_read) {
fdinfo->wxflag |= WX_ATEOF;
if (readbuf != min_buf) MSVCRT_free(readbuf);
return 0;
}
pos += num_read;
if(readbuf[0] == '\n')
fdinfo->wxflag |= WX_READNL;
else
fdinfo->wxflag &= ~WX_READNL;
/* Find first byte of last character (may be incomplete) */
for(i=pos-1; i>0 && i>pos-4; i--)
if((readbuf[i]&0xc0) != 0x80)
break;
char_len = get_utf8_char_len(readbuf[i]);
if(char_len+i <= pos)
i += char_len;
if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) {
if(i < pos)
fdinfo->lookahead[0] = readbuf[i];
if(i+1 < pos)
fdinfo->lookahead[1] = readbuf[i+1];
if(i+2 < pos)
fdinfo->lookahead[2] = readbuf[i+2];
}else if(i < pos) {
SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
}
pos = i;
for(i=0, j=0; i<pos; i++) {
if(readbuf[i] == 0x1a) {
fdinfo->wxflag |= WX_ATEOF;
break;
}
/* strip '\r' if followed by '\n' */
if(readbuf[i] == '\r' && i+1==pos) {
if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
readbuf[j++] = '\r';
}else if(lookahead == '\n' && j==0) {
readbuf[j++] = '\n';
}else {
if(lookahead != '\n')
readbuf[j++] = '\r';
if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
fdinfo->lookahead[0] = lookahead;
else
SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
}
}else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
readbuf[j++] = readbuf[i];
}
}
pos = j;
if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
msvcrt_set_errno(GetLastError());
if (readbuf != min_buf) MSVCRT_free(readbuf);
return -1;
}
if (readbuf != min_buf) MSVCRT_free(readbuf);
return num_read*2;
}
/*********************************************************************
* (internal) read_i
*
* When reading \r as last character in text mode, read() positions
* the file pointer on the \r character while getc() goes on to
* the following \n
*/
static int read_i(int fd, ioinfo *fdinfo, void *buf, unsigned int count)
{
DWORD num_read, utf16;
char *bufstart = buf;
if (count == 0)
return 0;
if (fdinfo->wxflag & WX_ATEOF) {
TRACE("already at EOF, returning 0\n");
return 0;
}
/* Don't trace small reads, it gets *very* annoying */
if (count > 4)
TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n", fd, fdinfo->handle, buf, count);
if (fdinfo->handle == INVALID_HANDLE_VALUE)
{
*MSVCRT__errno() = MSVCRT_EBADF;
return -1;
}
utf16 = (fdinfo->exflag & EF_UTF16) != 0;
if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return -1;
}
if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
return read_utf8(fdinfo, buf, count);
if (fdinfo->lookahead[0]!='\n' || ReadFile(fdinfo->handle, bufstart, count, &num_read, NULL))
{
if (fdinfo->lookahead[0] != '\n')
{
bufstart[0] = fdinfo->lookahead[0];
fdinfo->lookahead[0] = '\n';
if (utf16)
{
bufstart[1] = fdinfo->lookahead[1];
fdinfo->lookahead[1] = '\n';
}
if(count>1+utf16 && ReadFile(fdinfo->handle, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
num_read += 1+utf16;
else
num_read = 1+utf16;
}
if(utf16 && (num_read&1))
{
/* msvcr90 uses uninitialized value from the buffer in this case */
/* msvcrt ignores additional data */
ERR("got odd number of bytes in UTF16 mode\n");
num_read--;
}
if (count != 0 && num_read == 0)
{
fdinfo->wxflag |= WX_ATEOF;
TRACE(":EOF %s\n",debugstr_an(buf,num_read));
}
else if (fdinfo->wxflag & WX_TEXT)
{
DWORD i, j;
if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
fdinfo->wxflag |= WX_READNL;
else
fdinfo->wxflag &= ~WX_READNL;
for (i=0, j=0; i<num_read; i+=1+utf16)
{
/* in text mode, a ctrl-z signals EOF */
if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
{
fdinfo->wxflag |= WX_ATEOF;
TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
break;
}
/* in text mode, strip \r if followed by \n */
if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
{
char lookahead[2];
DWORD len;
lookahead[1] = '\n';
if (ReadFile(fdinfo->handle, lookahead, 1+utf16, &len, NULL) && len)
{
if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
{
bufstart[j++] = '\n';
if(utf16) bufstart[j++] = 0;
}
else
{
if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
{
bufstart[j++] = '\r';
if(utf16) bufstart[j++] = 0;
}
if (fdinfo->wxflag & (WX_PIPE | WX_TTY))
{
if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
{
bufstart[j++] = '\n';
if (utf16) bufstart[j++] = 0;
}
else
{
fdinfo->lookahead[0] = lookahead[0];
fdinfo->lookahead[1] = lookahead[1];
}
}
else
SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
}
}
else
{
bufstart[j++] = '\r';
if(utf16) bufstart[j++] = 0;
}
}
else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
|| (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
{
bufstart[j++] = bufstart[i];
if(utf16) bufstart[j++] = bufstart[i+1];
}
}
num_read = j;
}
}
else
{
if (GetLastError() == ERROR_BROKEN_PIPE)
{
TRACE(":end-of-pipe\n");
fdinfo->wxflag |= WX_ATEOF;
return 0;
}
else
{
TRACE(":failed-last error (%d)\n",GetLastError());
return -1;
}
}
if (count > 4)
TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
return num_read;
}
/*********************************************************************
* _read (MSVCRT.@)
*/
int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
{
ioinfo *info = get_ioinfo(fd);
int num_read = read_i(fd, info, buf, count);
release_ioinfo(info);
return num_read;
}
/*********************************************************************
* _setmode (MSVCRT.@)
*/
int CDECL MSVCRT__setmode(int fd,int mode)
{
ioinfo *info = get_ioinfo(fd);
int ret = info->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
if(ret==MSVCRT__O_TEXT && (info->exflag & (EF_UTF8|EF_UTF16)))
ret = MSVCRT__O_WTEXT;
if(mode!=MSVCRT__O_TEXT && mode!=MSVCRT__O_BINARY && mode!=MSVCRT__O_WTEXT
&& mode!=MSVCRT__O_U16TEXT && mode!=MSVCRT__O_U8TEXT) {
*MSVCRT__errno() = MSVCRT_EINVAL;
release_ioinfo(info);
return -1;
}
if(info == &MSVCRT___badioinfo) {
*MSVCRT__errno() = MSVCRT_EBADF;
return MSVCRT_EOF;
}
if(mode == MSVCRT__O_BINARY) {
info->wxflag &= ~WX_TEXT;
info->exflag &= ~(EF_UTF8|EF_UTF16);
release_ioinfo(info);
return ret;
}
info->wxflag |= WX_TEXT;
if(mode == MSVCRT__O_TEXT)
info->exflag &= ~(EF_UTF8|EF_UTF16);
else if(mode == MSVCRT__O_U8TEXT)
info->exflag = (info->exflag & ~EF_UTF16) | EF_UTF8;
else
info->exflag = (info->exflag & ~EF_UTF8) | EF_UTF16;
release_ioinfo(info);
return ret;
}
/*********************************************************************
* _stat64 (MSVCRT.@)
*/
int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
{
DWORD dw;
WIN32_FILE_ATTRIBUTE_DATA hfi;
unsigned short mode = ALL_S_IREAD;
int plen;
TRACE(":file (%s) buf(%p)\n",path,buf);
plen = strlen(path);
while (plen && path[plen-1]==' ')
plen--;
if (plen && (plen<2 || path[plen-2]!=':') &&
(path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
{
TRACE("failed (%d)\n",GetLastError());
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
memset(buf,0,sizeof(struct MSVCRT__stat64));
/* FIXME: rdev isn't drive num, despite what the docs say-what is it?
Bon 011120: This FIXME seems incorrect
Also a letter as first char isn't enough to be classified
as a drive letter
*/
if (isalpha(*path)&& (*(path+1)==':'))
buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
else
buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
/* Dir, or regular file? */
if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
else
{
mode |= MSVCRT__S_IFREG;
/* executable? */
if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
{
unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
(tolower(path[plen-3]) << 16);
if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
mode |= ALL_S_IEXEC;
}
}
if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
mode |= ALL_S_IWRITE;
buf->st_mode = mode;
buf->st_nlink = 1;
buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
buf->st_atime = dw;
RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
buf->st_mtime = buf->st_ctime = dw;
TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
(int)(buf->st_size >> 32),(int)buf->st_size,
(int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
return 0;
}
/*********************************************************************
* _stati64 (MSVCRT.@)
*/
int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT_stat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stati64(&buf64, buf);
return ret;
}
/*********************************************************************
* _stat (MSVCRT.@)
*/
int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT_stat64( path, &buf64);
if (!ret)
msvcrt_stat64_to_stat(&buf64, buf);
return ret;
}
/*********************************************************************
* _stat32 (MSVCR100.@)
*/
int CDECL MSVCRT__stat32(const char *path, struct MSVCRT__stat32 *buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT_stat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stat32(&buf64, buf);
return ret;
}
/*********************************************************************
* _stat32i64 (MSVCR100.@)
*/
int CDECL MSVCRT__stat32i64(const char *path, struct MSVCRT__stat32i64 *buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT_stat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stat32i64(&buf64, buf);
return ret;
}
/*********************************************************************
* _stat64i32 (MSVCR100.@)
*/
int CDECL MSVCRT__stat64i32(const char* path, struct MSVCRT__stat64i32 *buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT_stat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stat64i32(&buf64, buf);
return ret;
}
/*********************************************************************
* _wstat64 (MSVCRT.@)
*/
int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
{
DWORD dw;
WIN32_FILE_ATTRIBUTE_DATA hfi;
unsigned short mode = ALL_S_IREAD;
int plen;
TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
plen = strlenW(path);
while (plen && path[plen-1]==' ')
plen--;
if(plen && (plen<2 || path[plen-2]!=':') &&
(path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
{
TRACE("failed (%d)\n",GetLastError());
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
memset(buf,0,sizeof(struct MSVCRT__stat64));
/* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
if (MSVCRT_iswalpha(*path))
buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
else
buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
/* Dir, or regular file? */
if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
else
{
mode |= MSVCRT__S_IFREG;
/* executable? */
if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
{
ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
((ULONGLONG)tolowerW(path[plen-3]) << 32);
if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
mode |= ALL_S_IEXEC;
}
}
if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
mode |= ALL_S_IWRITE;
buf->st_mode = mode;
buf->st_nlink = 1;
buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
buf->st_atime = dw;
RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
buf->st_mtime = buf->st_ctime = dw;
TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
(int)(buf->st_size >> 32),(int)buf->st_size,
(int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
return 0;
}
/*********************************************************************
* _wstati64 (MSVCRT.@)
*/
int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__wstat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stati64(&buf64, buf);
return ret;
}
/*********************************************************************
* _wstat (MSVCRT.@)
*/
int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__wstat64( path, &buf64 );
if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
return ret;
}
/*********************************************************************
* _wstat32 (MSVCR100.@)
*/
int CDECL MSVCRT__wstat32(const MSVCRT_wchar_t *path, struct MSVCRT__stat32 *buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__wstat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stat32(&buf64, buf);
return ret;
}
/*********************************************************************
* _wstat32i64 (MSVCR100.@)
*/
int CDECL MSVCRT__wstat32i64(const MSVCRT_wchar_t *path, struct MSVCRT__stat32i64 *buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__wstat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stat32i64(&buf64, buf);
return ret;
}
/*********************************************************************
* _wstat64i32 (MSVCR100.@)
*/
int CDECL MSVCRT__wstat64i32(const MSVCRT_wchar_t *path, struct MSVCRT__stat64i32 *buf)
{
int ret;
struct MSVCRT__stat64 buf64;
ret = MSVCRT__wstat64(path, &buf64);
if (!ret)
msvcrt_stat64_to_stat64i32(&buf64, buf);
return ret;
}
/*********************************************************************
* _tell (MSVCRT.@)
*/
MSVCRT_long CDECL MSVCRT__tell(int fd)
{
return MSVCRT__lseek(fd, 0, MSVCRT_SEEK_CUR);
}
/*********************************************************************
* _telli64 (MSVCRT.@)
*/
__int64 CDECL _telli64(int fd)
{
return MSVCRT__lseeki64(fd, 0, MSVCRT_SEEK_CUR);
}
/*********************************************************************
* _tempnam (MSVCRT.@)
*/
char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
{
char tmpbuf[MAX_PATH];
const char *tmp_dir = MSVCRT_getenv("TMP");
if (tmp_dir) dir = tmp_dir;
TRACE("dir (%s) prefix (%s)\n",dir,prefix);
if (GetTempFileNameA(dir,prefix,0,tmpbuf))
{
TRACE("got name (%s)\n",tmpbuf);
DeleteFileA(tmpbuf);
return MSVCRT__strdup(tmpbuf);
}
TRACE("failed (%d)\n",GetLastError());
return NULL;
}
/*********************************************************************
* _wtempnam (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
{
static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
MSVCRT_wchar_t tmpbuf[MAX_PATH];
const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
if (tmp_dir) dir = tmp_dir;
TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
if (GetTempFileNameW(dir,prefix,0,tmpbuf))
{
TRACE("got name (%s)\n",debugstr_w(tmpbuf));
DeleteFileW(tmpbuf);
return MSVCRT__wcsdup(tmpbuf);
}
TRACE("failed (%d)\n",GetLastError());
return NULL;
}
/*********************************************************************
* _umask (MSVCRT.@)
*/
int CDECL MSVCRT__umask(int umask)
{
int old_umask = MSVCRT_umask;
TRACE("(%d)\n",umask);
MSVCRT_umask = umask;
return old_umask;
}
/*********************************************************************
* _utime64 (MSVCRT.@)
*/
int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
{
int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
if (fd > 0)
{
int retVal = _futime64(fd, t);
MSVCRT__close(fd);
return retVal;
}
return -1;
}
/*********************************************************************
* _utime32 (MSVCRT.@)
*/
int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
{
if (t)
{
struct MSVCRT___utimbuf64 t64;
t64.actime = t->actime;
t64.modtime = t->modtime;
return _utime64( path, &t64 );
}
else
return _utime64( path, NULL );
}
/*********************************************************************
* _utime (MSVCRT.@)
*/
#ifdef _WIN64
int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
{
return _utime64( path, t );
}
#else
int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
{
return _utime32( path, t );
}
#endif
/*********************************************************************
* _wutime64 (MSVCRT.@)
*/
int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
{
int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
if (fd > 0)
{
int retVal = _futime64(fd, t);
MSVCRT__close(fd);
return retVal;
}
return -1;
}
/*********************************************************************
* _wutime32 (MSVCRT.@)
*/
int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
{
if (t)
{
struct MSVCRT___utimbuf64 t64;
t64.actime = t->actime;
t64.modtime = t->modtime;
return _wutime64( path, &t64 );
}
else
return _wutime64( path, NULL );
}
/*********************************************************************
* _wutime (MSVCRT.@)
*/
#ifdef _WIN64
int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
{
return _wutime64( path, t );
}
#else
int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
{
return _wutime32( path, t );
}
#endif
/*********************************************************************
* _write (MSVCRT.@)
*/
int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
{
DWORD num_written;
ioinfo *info = get_ioinfo(fd);
HANDLE hand = info->handle;
/* Don't trace small writes, it gets *very* annoying */
#if 0
if (count > 32)
TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
#endif
if (hand == INVALID_HANDLE_VALUE)
{
*MSVCRT__errno() = MSVCRT_EBADF;
release_ioinfo(info);
return -1;
}
if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
release_ioinfo(info);
return -1;
}
/* If appending, go to EOF */
if (info->wxflag & WX_APPEND)
MSVCRT__lseek(fd, 0, FILE_END);
if (!(info->wxflag & WX_TEXT))
{
if (WriteFile(hand, buf, count, &num_written, NULL)
&& (num_written == count))
{
release_ioinfo(info);
return num_written;
}
TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
hand, GetLastError());
*MSVCRT__errno() = MSVCRT_ENOSPC;
}
else
{
unsigned int i, j, nr_lf, size;
char *p = NULL;
const char *q;
const char *s = buf, *buf_start = buf;
if (!(info->exflag & (EF_UTF8|EF_UTF16)))
{
/* find number of \n */
for (nr_lf=0, i=0; i<count; i++)
if (s[i] == '\n')
nr_lf++;
if (nr_lf)
{
size = count+nr_lf;
if ((q = p = MSVCRT_malloc(size)))
{
for (s = buf, i = 0, j = 0; i < count; i++)
{
if (s[i] == '\n')
p[j++] = '\r';
p[j++] = s[i];
}
}
else
{
FIXME("Malloc failed\n");
nr_lf = 0;
size = count;
q = buf;
}
}
else
{
size = count;
q = buf;
}
}
else if (info->exflag & EF_UTF16)
{
for (nr_lf=0, i=0; i<count; i+=2)
if (s[i]=='\n' && s[i+1]==0)
nr_lf += 2;
if (nr_lf)
{
size = count+nr_lf;
if ((q = p = MSVCRT_malloc(size)))
{
for (s=buf, i=0, j=0; i<count; i++)
{
if (s[i]=='\n' && s[i+1]==0)
{
p[j++] = '\r';
p[j++] = 0;
}
p[j++] = s[i++];
p[j++] = s[i];
}
}
else
{
FIXME("Malloc failed\n");
nr_lf = 0;
size = count;
q = buf;
}
}
else
{
size = count;
q = buf;
}
}
else
{
DWORD conv_len;
for(nr_lf=0, i=0; i<count; i+=2)
if (s[i]=='\n' && s[i+1]==0)
nr_lf++;
conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
if(!conv_len) {
msvcrt_set_errno(GetLastError());
MSVCRT_free(p);
release_ioinfo(info);
return -1;
}
size = conv_len+nr_lf;
if((p = MSVCRT_malloc(count+nr_lf*2+size)))
{
for (s=buf, i=0, j=0; i<count; i++)
{
if (s[i]=='\n' && s[i+1]==0)
{
p[j++] = '\r';
p[j++] = 0;
}
p[j++] = s[i++];
p[j++] = s[i];
}
q = p+count+nr_lf*2;
WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
}
else
{
FIXME("Malloc failed\n");
nr_lf = 0;
size = count;
q = buf;
}
}
if (!WriteFile(hand, q, size, &num_written, NULL))
num_written = -1;
release_ioinfo(info);
MSVCRT_free(p);
if (num_written != size)
{
TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
fd, hand, GetLastError(), num_written);
*MSVCRT__errno() = MSVCRT_ENOSPC;
return s - buf_start;
}
return count;
}
release_ioinfo(info);
return -1;
}
/*********************************************************************
* _putw (MSVCRT.@)
*/
int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
{
int len;
MSVCRT__lock_file(file);
len = MSVCRT__write(file->_file, &val, sizeof(val));
if (len == sizeof(val)) {
MSVCRT__unlock_file(file);
return val;
}
file->_flag |= MSVCRT__IOERR;
MSVCRT__unlock_file(file);
return MSVCRT_EOF;
}
/*********************************************************************
* fclose (MSVCRT.@)
*/
int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
{
int ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fclose_nolock(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fclose_nolock (MSVCRT.@)
*/
int CDECL MSVCRT__fclose_nolock(MSVCRT_FILE* file)
{
int r, flag;
flag = file->_flag;
MSVCRT_free(file->_tmpfname);
file->_tmpfname = NULL;
/* flush stdio buffers */
if(file->_flag & MSVCRT__IOWRT)
MSVCRT__fflush_nolock(file);
if(file->_flag & MSVCRT__IOMYBUF)
MSVCRT_free(file->_base);
r=MSVCRT__close(file->_file);
file->_flag = 0;
return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
}
/*********************************************************************
* feof (MSVCRT.@)
*/
int CDECL MSVCRT_feof(MSVCRT_FILE* file)
{
return file->_flag & MSVCRT__IOEOF;
}
/*********************************************************************
* ferror (MSVCRT.@)
*/
int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
{
return file->_flag & MSVCRT__IOERR;
}
/*********************************************************************
* _filbuf (MSVCRT.@)
*/
int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
{
unsigned char c;
if(file->_flag & MSVCRT__IOSTRG)
return MSVCRT_EOF;
/* Allocate buffer if needed */
if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
msvcrt_alloc_buffer(file);
if(!(file->_flag & MSVCRT__IOREAD)) {
if(file->_flag & MSVCRT__IORW)
file->_flag |= MSVCRT__IOREAD;
else
return MSVCRT_EOF;
}
if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
int r;
if ((r = MSVCRT__read(file->_file,&c,1)) != 1) {
file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
return MSVCRT_EOF;
}
return c;
} else {
file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
if(file->_cnt<=0) {
file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
file->_cnt = 0;
return MSVCRT_EOF;
}
file->_cnt--;
file->_ptr = file->_base+1;
c = *(unsigned char *)file->_base;
return c;
}
}
/*********************************************************************
* fgetc (MSVCRT.@)
*/
int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
{
int ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fgetc_nolock(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fgetc_nolock (MSVCRT.@)
*/
int CDECL MSVCRT__fgetc_nolock(MSVCRT_FILE* file)
{
unsigned char *i;
unsigned int j;
if (file->_cnt>0) {
file->_cnt--;
i = (unsigned char *)file->_ptr++;
j = *i;
} else
j = MSVCRT__filbuf(file);
return j;
}
/*********************************************************************
* _fgetchar (MSVCRT.@)
*/
int CDECL MSVCRT__fgetchar(void)
{
return MSVCRT_fgetc(MSVCRT_stdin);
}
/*********************************************************************
* fgets (MSVCRT.@)
*/
char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
{
int cc = MSVCRT_EOF;
char * buf_start = s;
TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
file,file->_file,s,size);
MSVCRT__lock_file(file);
while ((size >1) && (cc = MSVCRT__fgetc_nolock(file)) != MSVCRT_EOF && cc != '\n')
{
*s++ = (char)cc;
size --;
}
if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
{
TRACE(":nothing read\n");
MSVCRT__unlock_file(file);
return NULL;
}
if ((cc != MSVCRT_EOF) && (size > 1))
*s++ = cc;
*s = '\0';
TRACE(":got %s\n", debugstr_a(buf_start));
MSVCRT__unlock_file(file);
return buf_start;
}
/*********************************************************************
* fgetwc (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
{
MSVCRT_wint_t ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fgetwc_nolock(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fgetwc_nolock (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT__fgetwc_nolock(MSVCRT_FILE* file)
{
MSVCRT_wint_t ret;
int ch;
if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
|| !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
char *p;
for(p=(char*)&ret; (MSVCRT_wint_t*)p<&ret+1; p++) {
ch = MSVCRT__fgetc_nolock(file);
if(ch == MSVCRT_EOF) {
ret = MSVCRT_WEOF;
break;
}
*p = (char)ch;
}
}else {
char mbs[MSVCRT_MB_LEN_MAX];
int len = 0;
ch = MSVCRT__fgetc_nolock(file);
if(ch != MSVCRT_EOF) {
mbs[0] = (char)ch;
if(MSVCRT_isleadbyte((unsigned char)mbs[0])) {
ch = MSVCRT__fgetc_nolock(file);
if(ch != MSVCRT_EOF) {
mbs[1] = (char)ch;
len = 2;
}
}else {
len = 1;
}
}
if(!len || MSVCRT_mbtowc(&ret, mbs, len)==-1)
ret = MSVCRT_WEOF;
}
return ret;
}
/*********************************************************************
* _getw (MSVCRT.@)
*/
int CDECL MSVCRT__getw(MSVCRT_FILE* file)
{
char *ch;
int i, k;
unsigned int j;
ch = (char *)&i;
MSVCRT__lock_file(file);
for (j=0; j<sizeof(int); j++) {
k = MSVCRT__fgetc_nolock(file);
if (k == MSVCRT_EOF) {
file->_flag |= MSVCRT__IOEOF;
MSVCRT__unlock_file(file);
return MSVCRT_EOF;
}
ch[j] = k;
}
MSVCRT__unlock_file(file);
return i;
}
/*********************************************************************
* getwc (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
{
return MSVCRT_fgetwc(file);
}
/*********************************************************************
* _fgetwchar (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
{
return MSVCRT_fgetwc(MSVCRT_stdin);
}
/*********************************************************************
* getwchar (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
{
return MSVCRT__fgetwchar();
}
/*********************************************************************
* fgetws (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
{
MSVCRT_wint_t cc = MSVCRT_WEOF;
MSVCRT_wchar_t * buf_start = s;
TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
file,file->_file,s,size);
MSVCRT__lock_file(file);
while ((size >1) && (cc = MSVCRT__fgetwc_nolock(file)) != MSVCRT_WEOF && cc != '\n')
{
*s++ = cc;
size --;
}
if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
{
TRACE(":nothing read\n");
MSVCRT__unlock_file(file);
return NULL;
}
if ((cc != MSVCRT_WEOF) && (size > 1))
*s++ = cc;
*s = 0;
TRACE(":got %s\n", debugstr_w(buf_start));
MSVCRT__unlock_file(file);
return buf_start;
}
/*********************************************************************
* _flsbuf (MSVCRT.@)
*/
int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
{
/* Flush output buffer */
if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
msvcrt_alloc_buffer(file);
}
if(!(file->_flag & MSVCRT__IOWRT)) {
if(!(file->_flag & MSVCRT__IORW)) {
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
file->_flag |= MSVCRT__IOWRT;
}
if(file->_flag & MSVCRT__IOREAD) {
if(!(file->_flag & MSVCRT__IOEOF)) {
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
file->_cnt = 0;
file->_ptr = file->_base;
file->_flag &= ~(MSVCRT__IOREAD | MSVCRT__IOEOF);
}
if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) {
int res = 0;
if(file->_cnt <= 0) {
res = msvcrt_flush_buffer(file);
if(res)
return res;
file->_flag |= MSVCRT__IOWRT;
file->_cnt=file->_bufsiz;
}
*file->_ptr++ = c;
file->_cnt--;
return c&0xff;
} else {
unsigned char cc=c;
int len;
/* set _cnt to 0 for unbuffered FILEs */
file->_cnt = 0;
len = MSVCRT__write(file->_file, &cc, 1);
if (len == 1)
return c & 0xff;
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
}
/*********************************************************************
* fwrite (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
{
MSVCRT_size_t ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fwrite_nolock(ptr, size, nmemb, file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fwrite_nolock (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT__fwrite_nolock(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
{
MSVCRT_size_t wrcnt=size * nmemb;
int written = 0;
if (size == 0)
return 0;
while(wrcnt) {
if(file->_cnt < 0) {
WARN("negative file->_cnt value in %p\n", file);
file->_flag |= MSVCRT__IOERR;
break;
} else if(file->_cnt) {
int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
memcpy(file->_ptr, ptr, pcnt);
file->_cnt -= pcnt;
file->_ptr += pcnt;
written += pcnt;
wrcnt -= pcnt;
ptr = (const char*)ptr + pcnt;
} else if((file->_flag & MSVCRT__IONBF)
|| ((file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= file->_bufsiz)
|| (!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= MSVCRT_INTERNAL_BUFSIZ)) {
MSVCRT_size_t pcnt;
int bufsiz;
if(file->_flag & MSVCRT__IONBF)
bufsiz = 1;
else if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
bufsiz = MSVCRT_INTERNAL_BUFSIZ;
else
bufsiz = file->_bufsiz;
pcnt = (wrcnt / bufsiz) * bufsiz;
if(msvcrt_flush_buffer(file) == MSVCRT_EOF)
break;
if(MSVCRT__write(file->_file, ptr, pcnt) <= 0) {
file->_flag |= MSVCRT__IOERR;
break;
}
written += pcnt;
wrcnt -= pcnt;
ptr = (const char*)ptr + pcnt;
} else {
if(MSVCRT__flsbuf(*(const char*)ptr, file) == MSVCRT_EOF)
break;
written++;
wrcnt--;
ptr = (const char*)ptr + 1;
}
}
return written / size;
}
/*********************************************************************
* fputwc (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
{
MSVCRT_wint_t ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fputwc_nolock(wc, file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fputwc_nolock (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT__fputwc_nolock(MSVCRT_wint_t wc, MSVCRT_FILE* file)
{
MSVCRT_wchar_t mwc=wc;
ioinfo *fdinfo;
MSVCRT_wint_t ret;
fdinfo = get_ioinfo_nolock(file->_file);
if((fdinfo->wxflag&WX_TEXT) && !(fdinfo->exflag&(EF_UTF8|EF_UTF16))) {
char buf[MSVCRT_MB_LEN_MAX];
int char_len;
char_len = MSVCRT_wctomb(buf, mwc);
if(char_len!=-1 && MSVCRT__fwrite_nolock(buf, char_len, 1, file)==1)
ret = wc;
else
ret = MSVCRT_WEOF;
}else if(MSVCRT__fwrite_nolock(&mwc, sizeof(mwc), 1, file) == 1) {
ret = wc;
}else {
ret = MSVCRT_WEOF;
}
return ret;
}
/*********************************************************************
* _fputwchar (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
{
return MSVCRT_fputwc(wc, MSVCRT_stdout);
}
/*********************************************************************
* _wfsopen (MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
{
MSVCRT_FILE* file;
int open_flags, stream_flags, fd;
TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
/* map mode string to open() flags. "man fopen" for possibilities. */
if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
return NULL;
LOCK_FILES();
fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
if (fd < 0)
file = NULL;
else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
!= -1)
TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
else if (file)
{
file->_flag = 0;
file = NULL;
}
TRACE(":got (%p)\n",file);
if (fd >= 0 && !file)
MSVCRT__close(fd);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* _fsopen (MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
{
MSVCRT_FILE *ret;
MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
if (path && !(pathW = msvcrt_wstrdupa(path))) {
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
*MSVCRT__errno() = MSVCRT_EINVAL;
return NULL;
}
if (mode && !(modeW = msvcrt_wstrdupa(mode)))
{
MSVCRT_free(pathW);
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
*MSVCRT__errno() = MSVCRT_EINVAL;
return NULL;
}
ret = MSVCRT__wfsopen(pathW, modeW, share);
MSVCRT_free(pathW);
MSVCRT_free(modeW);
return ret;
}
/*********************************************************************
* fopen (MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
{
return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
}
/*********************************************************************
* fopen_s (MSVCRT.@)
*/
int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
const char *filename, const char *mode)
{
if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
*pFile = MSVCRT_fopen(filename, mode);
if(!*pFile)
return *MSVCRT__errno();
return 0;
}
/*********************************************************************
* _wfopen (MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
{
return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
}
/*********************************************************************
* _wfopen_s (MSVCRT.@)
*/
int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
const MSVCRT_wchar_t *mode)
{
if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
*pFile = MSVCRT__wfopen(filename, mode);
if(!*pFile)
return *MSVCRT__errno();
return 0;
}
/*********************************************************************
* fputc (MSVCRT.@)
*/
int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
{
int ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fputc_nolock(c, file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fputc_nolock (MSVCRT.@)
*/
int CDECL MSVCRT__fputc_nolock(int c, MSVCRT_FILE* file)
{
int res;
if(file->_cnt>0) {
*file->_ptr++=c;
file->_cnt--;
if (c == '\n')
{
res = msvcrt_flush_buffer(file);
return res ? res : c;
}
else {
return c & 0xff;
}
} else {
res = MSVCRT__flsbuf(c, file);
return res;
}
}
/*********************************************************************
* _fputchar (MSVCRT.@)
*/
int CDECL MSVCRT__fputchar(int c)
{
return MSVCRT_fputc(c, MSVCRT_stdout);
}
/*********************************************************************
* fread (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
{
MSVCRT_size_t ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fread_nolock(ptr, size, nmemb, file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _fread_nolock (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT__fread_nolock(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
{
MSVCRT_size_t rcnt=size * nmemb;
MSVCRT_size_t read=0;
MSVCRT_size_t pread=0;
if(!rcnt)
return 0;
/* first buffered data */
if(file->_cnt>0) {
int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
memcpy(ptr, file->_ptr, pcnt);
file->_cnt -= pcnt;
file->_ptr += pcnt;
read += pcnt ;
rcnt -= pcnt ;
ptr = (char*)ptr + pcnt;
} else if(!(file->_flag & MSVCRT__IOREAD )) {
if(file->_flag & MSVCRT__IORW) {
file->_flag |= MSVCRT__IOREAD;
} else {
return 0;
}
}
if(rcnt>0 && !(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
msvcrt_alloc_buffer(file);
while(rcnt>0)
{
int i;
if (!file->_cnt && rcnt<MSVCRT_BUFSIZ && (file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
file->_ptr = file->_base;
i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
/* If the buffer fill reaches eof but fread wouldn't, clear eof. */
if (i > 0 && i < file->_cnt) {
get_ioinfo_nolock(file->_file)->wxflag &= ~WX_ATEOF;
file->_flag &= ~MSVCRT__IOEOF;
}
if (i > 0) {
memcpy(ptr, file->_ptr, i);
file->_cnt -= i;
file->_ptr += i;
}
} else if (rcnt > INT_MAX) {
i = MSVCRT__read(file->_file, ptr, INT_MAX);
} else if (rcnt < MSVCRT_BUFSIZ) {
i = MSVCRT__read(file->_file, ptr, rcnt);
} else {
i = MSVCRT__read(file->_file, ptr, rcnt - MSVCRT_BUFSIZ/2);
}
pread += i;
rcnt -= i;
ptr = (char *)ptr+i;
/* expose feof condition in the flags
* MFC tests file->_flag for feof, and doesn't call feof())
*/
if (get_ioinfo_nolock(file->_file)->wxflag & WX_ATEOF)
file->_flag |= MSVCRT__IOEOF;
else if (i == -1)
{
file->_flag |= MSVCRT__IOERR;
pread = 0;
rcnt = 0;
}
if (i < 1) break;
}
read+=pread;
return read / size;
}
/*********************************************************************
* fread_s (MSVCR80.@)
*/
MSVCRT_size_t CDECL MSVCRT_fread_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
MSVCRT_size_t count, MSVCRT_FILE *stream)
{
MSVCRT_size_t ret;
if(!MSVCRT_CHECK_PMT(stream != NULL)) {
if(buf && buf_size)
memset(buf, 0, buf_size);
return 0;
}
if(!elem_size || !count) return 0;
MSVCRT__lock_file(stream);
ret = MSVCRT__fread_nolock_s(buf, buf_size, elem_size, count, stream);
MSVCRT__unlock_file(stream);
return ret;
}
/*********************************************************************
* _fread_nolock_s (MSVCR80.@)
*/
MSVCRT_size_t CDECL MSVCRT__fread_nolock_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
MSVCRT_size_t count, MSVCRT_FILE *stream)
{
size_t bytes_left, buf_pos;
TRACE("(%p %lu %lu %lu %p)\n", buf, buf_size, elem_size, count, stream);
if(!MSVCRT_CHECK_PMT(stream != NULL)) {
if(buf && buf_size)
memset(buf, 0, buf_size);
return 0;
}
if(!elem_size || !count) return 0;
if(!MSVCRT_CHECK_PMT(buf != NULL)) return 0;
if(!MSVCRT_CHECK_PMT(MSVCRT_SIZE_MAX/count >= elem_size)) return 0;
bytes_left = elem_size*count;
buf_pos = 0;
while(bytes_left) {
if(stream->_cnt > 0) {
size_t size = bytes_left<stream->_cnt ? bytes_left : stream->_cnt;
if(!MSVCRT_CHECK_PMT_ERR(size <= buf_size-buf_pos, MSVCRT_ERANGE)) {
memset(buf, 0, buf_size);
return 0;
}
MSVCRT__fread_nolock((char*)buf+buf_pos, 1, size, stream);
buf_pos += size;
bytes_left -= size;
}else {
int c = MSVCRT__filbuf(stream);
if(c == MSVCRT_EOF)
break;
if(!MSVCRT_CHECK_PMT_ERR(buf_size != buf_pos, MSVCRT_ERANGE)) {
memset(buf, 0, buf_size);
return 0;
}
((char*)buf)[buf_pos++] = c;
bytes_left--;
}
}
return buf_pos/elem_size;
}
/*********************************************************************
* _wfreopen (MSVCRT.@)
*
*/
MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
{
int open_flags, stream_flags, fd;
TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
LOCK_FILES();
if (!file || ((fd = file->_file) < 0))
file = NULL;
else
{
MSVCRT_fclose(file);
if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
file = NULL;
else if((fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE)) < 0)
file = NULL;
else if(msvcrt_init_fp(file, fd, stream_flags) == -1)
{
file->_flag = 0;
file = NULL;
}
}
UNLOCK_FILES();
return file;
}
/*********************************************************************
* _wfreopen_s (MSVCRT.@)
*/
int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
{
if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
*pFile = MSVCRT__wfreopen(path, mode, file);
if(!*pFile)
return *MSVCRT__errno();
return 0;
}
/*********************************************************************
* freopen (MSVCRT.@)
*
*/
MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
{
MSVCRT_FILE *ret;
MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
if (mode && !(modeW = msvcrt_wstrdupa(mode)))
{
MSVCRT_free(pathW);
return NULL;
}
ret = MSVCRT__wfreopen(pathW, modeW, file);
MSVCRT_free(pathW);
MSVCRT_free(modeW);
return ret;
}
/*********************************************************************
* freopen_s (MSVCRT.@)
*/
int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
const char *path, const char *mode, MSVCRT_FILE* file)
{
if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
*pFile = MSVCRT_freopen(path, mode, file);
if(!*pFile)
return *MSVCRT__errno();
return 0;
}
/*********************************************************************
* fsetpos (MSVCRT.@)
*/
int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
{
int ret;
MSVCRT__lock_file(file);
msvcrt_flush_buffer(file);
/* Reset direction of i/o */
if(file->_flag & MSVCRT__IORW) {
file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
}
ret = (MSVCRT__lseeki64(file->_file,*pos,MSVCRT_SEEK_SET) == -1) ? -1 : 0;
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _ftelli64 (MSVCRT.@)
*/
__int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
{
__int64 ret;
MSVCRT__lock_file(file);
ret = MSVCRT__ftelli64_nolock(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _ftelli64_nolock (MSVCRT.@)
*/
__int64 CDECL MSVCRT__ftelli64_nolock(MSVCRT_FILE* file)
{
__int64 pos;
pos = _telli64(file->_file);
if(pos == -1)
return -1;
if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) {
if(file->_flag & MSVCRT__IOWRT) {
pos += file->_ptr - file->_base;
if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
char *p;
for(p=file->_base; p<file->_ptr; p++)
if(*p == '\n')
pos++;
}
} else if(!file->_cnt) { /* nothing to do */
} else if(MSVCRT__lseeki64(file->_file, 0, MSVCRT_SEEK_END)==pos) {
int i;
pos -= file->_cnt;
if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
for(i=0; i<file->_cnt; i++)
if(file->_ptr[i] == '\n')
pos--;
}
} else {
char *p;
if(MSVCRT__lseeki64(file->_file, pos, MSVCRT_SEEK_SET) != pos)
return -1;
pos -= file->_bufsiz;
pos += file->_ptr - file->_base;
if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
if(get_ioinfo_nolock(file->_file)->wxflag & WX_READNL)
pos--;
for(p=file->_base; p<file->_ptr; p++)
if(*p == '\n')
pos++;
}
}
}
return pos;
}
/*********************************************************************
* ftell (MSVCRT.@)
*/
LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
{
return MSVCRT__ftelli64(file);
}
/*********************************************************************
* _ftell_nolock (MSVCRT.@)
*/
LONG CDECL MSVCRT__ftell_nolock(MSVCRT_FILE* file)
{
return MSVCRT__ftelli64_nolock(file);
}
/*********************************************************************
* fgetpos (MSVCRT.@)
*/
int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
{
*pos = MSVCRT__ftelli64(file);
if(*pos == -1)
return -1;
return 0;
}
/*********************************************************************
* fputs (MSVCRT.@)
*/
int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
{
MSVCRT_size_t len = strlen(s);
int ret;
MSVCRT__lock_file(file);
ret = MSVCRT__fwrite_nolock(s, sizeof(*s), len, file) == len ? 0 : MSVCRT_EOF;
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* fputws (MSVCRT.@)
*/
int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
{
MSVCRT_size_t i, len = strlenW(s);
BOOL tmp_buf;
int ret;
MSVCRT__lock_file(file);
if (!(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
ret = MSVCRT__fwrite_nolock(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
MSVCRT__unlock_file(file);
return ret;
}
tmp_buf = add_std_buffer(file);
for (i=0; i<len; i++) {
if(MSVCRT__fputwc_nolock(s[i], file) == MSVCRT_WEOF) {
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return MSVCRT_WEOF;
}
}
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return 0;
}
/*********************************************************************
* getchar (MSVCRT.@)
*/
int CDECL MSVCRT_getchar(void)
{
return MSVCRT_fgetc(MSVCRT_stdin);
}
/*********************************************************************
* getc (MSVCRT.@)
*/
int CDECL MSVCRT_getc(MSVCRT_FILE* file)
{
return MSVCRT_fgetc(file);
}
/*********************************************************************
* gets (MSVCRT.@)
*/
char * CDECL MSVCRT_gets(char *buf)
{
int cc;
char * buf_start = buf;
MSVCRT__lock_file(MSVCRT_stdin);
for(cc = MSVCRT__fgetc_nolock(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
cc = MSVCRT__fgetc_nolock(MSVCRT_stdin))
if(cc != '\r') *buf++ = (char)cc;
*buf = '\0';
TRACE("got '%s'\n", buf_start);
MSVCRT__unlock_file(MSVCRT_stdin);
return buf_start;
}
/*********************************************************************
* _getws (MSVCRT.@)
*/
MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
{
MSVCRT_wint_t cc;
MSVCRT_wchar_t* ws = buf;
MSVCRT__lock_file(MSVCRT_stdin);
for (cc = MSVCRT__fgetwc_nolock(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
cc = MSVCRT__fgetwc_nolock(MSVCRT_stdin))
{
if (cc != '\r')
*buf++ = (MSVCRT_wchar_t)cc;
}
*buf = '\0';
TRACE("got %s\n", debugstr_w(ws));
MSVCRT__unlock_file(MSVCRT_stdin);
return ws;
}
/*********************************************************************
* putc (MSVCRT.@)
*/
int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
{
return MSVCRT_fputc(c, file);
}
/*********************************************************************
* putchar (MSVCRT.@)
*/
int CDECL MSVCRT_putchar(int c)
{
return MSVCRT_fputc(c, MSVCRT_stdout);
}
/*********************************************************************
* puts (MSVCRT.@)
*/
int CDECL MSVCRT_puts(const char *s)
{
MSVCRT_size_t len = strlen(s);
int ret;
MSVCRT__lock_file(MSVCRT_stdout);
if(MSVCRT__fwrite_nolock(s, sizeof(*s), len, MSVCRT_stdout) != len) {
MSVCRT__unlock_file(MSVCRT_stdout);
return MSVCRT_EOF;
}
ret = MSVCRT__fwrite_nolock("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
MSVCRT__unlock_file(MSVCRT_stdout);
return ret;
}
/*********************************************************************
* _putws (MSVCRT.@)
*/
int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
{
static const MSVCRT_wchar_t nl = '\n';
MSVCRT_size_t len = strlenW(s);
int ret;
MSVCRT__lock_file(MSVCRT_stdout);
if(MSVCRT__fwrite_nolock(s, sizeof(*s), len, MSVCRT_stdout) != len) {
MSVCRT__unlock_file(MSVCRT_stdout);
return MSVCRT_EOF;
}
ret = MSVCRT__fwrite_nolock(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
MSVCRT__unlock_file(MSVCRT_stdout);
return ret;
}
/*********************************************************************
* remove (MSVCRT.@)
*/
int CDECL MSVCRT_remove(const char *path)
{
TRACE("(%s)\n",path);
if (DeleteFileA(path))
return 0;
TRACE(":failed (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wremove (MSVCRT.@)
*/
int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
{
TRACE("(%s)\n",debugstr_w(path));
if (DeleteFileW(path))
return 0;
TRACE(":failed (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* rename (MSVCRT.@)
*/
int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
{
TRACE(":from %s to %s\n",oldpath,newpath);
if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
return 0;
TRACE(":failed (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wrename (MSVCRT.@)
*/
int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
{
TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
return 0;
TRACE(":failed (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* setvbuf (MSVCRT.@)
*/
int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
{
if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
if(!MSVCRT_CHECK_PMT(mode==MSVCRT__IONBF || mode==MSVCRT__IOFBF || mode==MSVCRT__IOLBF)) return -1;
if(!MSVCRT_CHECK_PMT(mode==MSVCRT__IONBF || (size>=2 && size<=INT_MAX))) return -1;
MSVCRT__lock_file(file);
MSVCRT__fflush_nolock(file);
if(file->_flag & MSVCRT__IOMYBUF)
MSVCRT_free(file->_base);
file->_flag &= ~(MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF);
file->_cnt = 0;
if(mode == MSVCRT__IONBF) {
file->_flag |= MSVCRT__IONBF;
file->_base = file->_ptr = (char*)&file->_charbuf;
file->_bufsiz = 2;
}else if(buf) {
file->_base = file->_ptr = buf;
file->_flag |= MSVCRT__USERBUF;
file->_bufsiz = size;
}else {
file->_base = file->_ptr = MSVCRT_malloc(size);
if(!file->_base) {
file->_bufsiz = 0;
MSVCRT__unlock_file(file);
return -1;
}
file->_flag |= MSVCRT__IOMYBUF;
file->_bufsiz = size;
}
MSVCRT__unlock_file(file);
return 0;
}
/*********************************************************************
* setbuf (MSVCRT.@)
*/
void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
{
MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
}
static int tmpnam_helper(char *s, MSVCRT_size_t size, int *tmpnam_unique, int tmp_max)
{
char tmpstr[8];
char *p = s;
int digits;
if (!MSVCRT_CHECK_PMT(s != NULL)) return MSVCRT_EINVAL;
if (size < 3) {
if (size) *s = 0;
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
*p++ = '\\';
*p++ = 's';
size -= 2;
digits = msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
if (digits+1 > size) {
*s = 0;
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
memcpy(p, tmpstr, digits*sizeof(tmpstr[0]));
p += digits;
*p++ = '.';
size -= digits+1;
while(1) {
while ((digits = *tmpnam_unique)+1 < tmp_max) {
if (InterlockedCompareExchange(tmpnam_unique, digits+1, digits) == digits)
break;
}
digits = msvcrt_int_to_base32(digits, tmpstr);
if (digits+1 > size) {
*s = 0;
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
memcpy(p, tmpstr, digits*sizeof(tmpstr[0]));
p[digits] = 0;
if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
GetLastError() == ERROR_FILE_NOT_FOUND)
break;
}
return 0;
}
int CDECL MSVCRT_tmpnam_s(char *s, MSVCRT_size_t size)
{
return tmpnam_helper(s, size, &tmpnam_s_unique, MSVCRT_TMP_MAX_S);
}
/*********************************************************************
* tmpnam (MSVCRT.@)
*/
char * CDECL MSVCRT_tmpnam(char *s)
{
if (!s) {
thread_data_t *data = msvcrt_get_thread_data();
if(!data->tmpnam_buffer)
data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
s = data->tmpnam_buffer;
}
return tmpnam_helper(s, -1, &tmpnam_unique, MSVCRT_TMP_MAX) ? NULL : s;
}
static int wtmpnam_helper(MSVCRT_wchar_t *s, MSVCRT_size_t size, int *tmpnam_unique, int tmp_max)
{
MSVCRT_wchar_t tmpstr[8];
MSVCRT_wchar_t *p = s;
int digits;
if (!MSVCRT_CHECK_PMT(s != NULL)) return MSVCRT_EINVAL;
if (size < 3) {
if (size) *s = 0;
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
*p++ = '\\';
*p++ = 's';
size -= 2;
digits = msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
if (digits+1 > size) {
*s = 0;
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
memcpy(p, tmpstr, digits*sizeof(tmpstr[0]));
p += digits;
*p++ = '.';
size -= digits+1;
while(1) {
while ((digits = *tmpnam_unique)+1 < tmp_max) {
if (InterlockedCompareExchange(tmpnam_unique, digits+1, digits) == digits)
break;
}
digits = msvcrt_int_to_base32_w(digits, tmpstr);
if (digits+1 > size) {
*s = 0;
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
memcpy(p, tmpstr, digits*sizeof(tmpstr[0]));
p[digits] = 0;
if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
GetLastError() == ERROR_FILE_NOT_FOUND)
break;
}
return 0;
}
/*********************************************************************
* _wtmpnam_s (MSVCRT.@)
*/
int CDECL MSVCRT__wtmpnam_s(MSVCRT_wchar_t *s, MSVCRT_size_t size)
{
return wtmpnam_helper(s, size, &tmpnam_s_unique, MSVCRT_TMP_MAX_S);
}
/*********************************************************************
* _wtmpnam (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL MSVCRT__wtmpnam(MSVCRT_wchar_t *s)
{
if (!s) {
thread_data_t *data = msvcrt_get_thread_data();
if(!data->wtmpnam_buffer)
data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
s = data->wtmpnam_buffer;
}
return wtmpnam_helper(s, -1, &tmpnam_unique, MSVCRT_TMP_MAX) ? NULL : s;
}
/*********************************************************************
* tmpfile (MSVCRT.@)
*/
MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
{
char *filename = MSVCRT_tmpnam(NULL);
int fd;
MSVCRT_FILE* file = NULL;
LOCK_FILES();
fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY,
MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
if (fd != -1 && (file = msvcrt_alloc_fp()))
{
if (msvcrt_init_fp(file, fd, MSVCRT__IORW) == -1)
{
file->_flag = 0;
file = NULL;
}
else file->_tmpfname = MSVCRT__strdup(filename);
}
if(fd != -1 && !file)
MSVCRT__close(fd);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* tmpfile_s (MSVCRT.@)
*/
int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file)
{
if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
*file = MSVCRT_tmpfile();
return 0;
}
static int puts_clbk_file_a(void *file, int len, const char *str)
{
return MSVCRT_fwrite(str, sizeof(char), len, file);
}
static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
{
int i, ret;
MSVCRT__lock_file(file);
if(!(get_ioinfo_nolock(((MSVCRT_FILE*)file)->_file)->wxflag & WX_TEXT)) {
ret = MSVCRT__fwrite_nolock(str, sizeof(MSVCRT_wchar_t), len, file);
MSVCRT__unlock_file(file);
return ret;
}
for(i=0; i<len; i++) {
if(MSVCRT__fputwc_nolock(str[i], file) == MSVCRT_WEOF) {
MSVCRT__unlock_file(file);
return -1;
}
}
MSVCRT__unlock_file(file);
return len;
}
/*********************************************************************
* vfprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
{
BOOL tmp_buf;
int ret;
MSVCRT__lock_file(file);
tmp_buf = add_std_buffer(file);
ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, 0, arg_clbk_valist, NULL, &valist);
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* vfprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
{
BOOL tmp_buf;
int ret;
if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
MSVCRT__lock_file(file);
tmp_buf = add_std_buffer(file);
ret = pf_printf_a(puts_clbk_file_a, file, format, NULL,
MSVCRT_PRINTF_INVOKE_INVALID_PARAM_HANDLER, arg_clbk_valist, NULL, &valist);
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* vfwprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
{
BOOL tmp_buf;
int ret;
MSVCRT__lock_file(file);
tmp_buf = add_std_buffer(file);
ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, 0, arg_clbk_valist, NULL, &valist);
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* vfwprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
{
BOOL tmp_buf;
int ret;
if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
MSVCRT__lock_file(file);
tmp_buf = add_std_buffer(file);
ret = pf_printf_w(puts_clbk_file_w, file, format, NULL,
MSVCRT_PRINTF_INVOKE_INVALID_PARAM_HANDLER, arg_clbk_valist, NULL, &valist);
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* __stdio_common_vfprintf (MSVCRT.@)
*/
int CDECL MSVCRT__stdio_common_vfprintf(unsigned __int64 options, MSVCRT_FILE *file, const char *format,
MSVCRT__locale_t locale, __ms_va_list valist)
{
BOOL tmp_buf;
int ret;
if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
MSVCRT__lock_file(file);
tmp_buf = add_std_buffer(file);
if (options & ~UCRTBASE_PRINTF_MASK)
FIXME("options %s not handled\n", wine_dbgstr_longlong(options));
ret = pf_printf_a(puts_clbk_file_a, file, format, locale,
options & UCRTBASE_PRINTF_MASK, arg_clbk_valist, NULL, &valist);
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* __stdio_common_vfwprintf (MSVCRT.@)
*/
int CDECL MSVCRT__stdio_common_vfwprintf(unsigned __int64 options, MSVCRT_FILE *file, const MSVCRT_wchar_t *format,
MSVCRT__locale_t locale, __ms_va_list valist)
{
BOOL tmp_buf;
int ret;
if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
if (!MSVCRT_CHECK_PMT( format != NULL )) return -1;
MSVCRT__lock_file(file);
tmp_buf = add_std_buffer(file);
if (options & ~UCRTBASE_PRINTF_MASK)
FIXME("options %s not handled\n", wine_dbgstr_longlong(options));
ret = pf_printf_w(puts_clbk_file_w, file, format, locale,
options & UCRTBASE_PRINTF_MASK, arg_clbk_valist, NULL, &valist);
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _vfwprintf_l (MSVCRT.@)
*/
int CDECL MSVCRT__vfwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format,
MSVCRT__locale_t locale, __ms_va_list valist)
{
BOOL tmp_buf;
int ret;
if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
MSVCRT__lock_file(file);
tmp_buf = add_std_buffer(file);
ret = pf_printf_w(puts_clbk_file_w, file, format, locale, 0, arg_clbk_valist, NULL, &valist);
if(tmp_buf) remove_std_buffer(file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* vprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
{
return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
}
/*********************************************************************
* vprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
{
return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
}
/*********************************************************************
* vwprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
{
return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
}
/*********************************************************************
* vwprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
{
return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
}
/*********************************************************************
* fprintf (MSVCRT.@)
*/
int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vfprintf(file, format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* fprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vfprintf_s(file, format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* fwprintf (MSVCRT.@)
*/
int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vfwprintf(file, format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* fwprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vfwprintf_s(file, format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* _fwprintf_l (MSVCRT.@)
*/
int CDECL MSVCRT__fwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, locale);
res = MSVCRT__vfwprintf_l(file, format, locale, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* printf (MSVCRT.@)
*/
int CDECL MSVCRT_printf(const char *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* printf_s (MSVCRT.@)
*/
int CDECL MSVCRT_printf_s(const char *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vprintf_s(format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* ungetc (MSVCRT.@)
*/
int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
{
int ret;
if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EOF;
MSVCRT__lock_file(file);
ret = MSVCRT__ungetc_nolock(c, file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _ungetc_nolock (MSVCRT.@)
*/
int CDECL MSVCRT__ungetc_nolock(int c, MSVCRT_FILE * file)
{
if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EOF;
if (c == MSVCRT_EOF || !(file->_flag&MSVCRT__IOREAD ||
(file->_flag&MSVCRT__IORW && !(file->_flag&MSVCRT__IOWRT))))
return MSVCRT_EOF;
if((!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))
&& msvcrt_alloc_buffer(file))
|| (!file->_cnt && file->_ptr==file->_base))
file->_ptr++;
if(file->_ptr>file->_base) {
file->_ptr--;
if(file->_flag & MSVCRT__IOSTRG) {
if(*file->_ptr != c) {
file->_ptr++;
return MSVCRT_EOF;
}
}else {
*file->_ptr = c;
}
file->_cnt++;
file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
file->_flag |= MSVCRT__IOREAD;
return c;
}
return MSVCRT_EOF;
}
/*********************************************************************
* ungetwc (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
{
MSVCRT_wint_t ret;
if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_WEOF;
MSVCRT__lock_file(file);
ret = MSVCRT__ungetwc_nolock(wc, file);
MSVCRT__unlock_file(file);
return ret;
}
/*********************************************************************
* _ungetwc_nolock (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT__ungetwc_nolock(MSVCRT_wint_t wc, MSVCRT_FILE * file)
{
MSVCRT_wchar_t mwc = wc;
if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_WEOF;
if (wc == MSVCRT_WEOF)
return MSVCRT_WEOF;
if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
|| !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
unsigned char * pp = (unsigned char *)&mwc;
int i;
for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
if(pp[i] != MSVCRT__ungetc_nolock(pp[i],file))
return MSVCRT_WEOF;
}
}else {
char mbs[MSVCRT_MB_LEN_MAX];
int len;
len = MSVCRT_wctomb(mbs, mwc);
if(len == -1)
return MSVCRT_WEOF;
for(len--; len>=0; len--) {
if(mbs[len] != MSVCRT__ungetc_nolock(mbs[len], file))
return MSVCRT_WEOF;
}
}
return mwc;
}
/*********************************************************************
* wprintf (MSVCRT.@)
*/
int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vwprintf(format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* wprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
{
__ms_va_list valist;
int res;
__ms_va_start(valist, format);
res = MSVCRT_vwprintf_s(format, valist);
__ms_va_end(valist);
return res;
}
/*********************************************************************
* _getmaxstdio (MSVCRT.@)
*/
int CDECL MSVCRT__getmaxstdio(void)
{
return MSVCRT_max_streams;
}
/*********************************************************************
* _setmaxstdio (MSVCRT.@)
*/
int CDECL MSVCRT__setmaxstdio(int newmax)
{
TRACE("%d\n", newmax);
if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
return -1;
MSVCRT_max_streams = newmax;
return MSVCRT_max_streams;
}
/*********************************************************************
* _get_stream_buffer_pointers (UCRTBASE.@)
*/
int CDECL MSVCRT__get_stream_buffer_pointers(MSVCRT_FILE *file, char*** base,
char*** ptr, int** count)
{
if (base)
*base = &file->_base;
if (ptr)
*ptr = &file->_ptr;
if (count)
*count = &file->_cnt;
return 0;
}
Reference in New Issue View Git Blame Copy Permalink