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/*
* 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 <time.h>
#include <stdarg.h>
#include <stdio.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winternl.h"
#include "msvcrt.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
/* values for wxflag in file descriptor */
#define WX_OPEN 0x01
#define WX_ATEOF 0x02
#define WX_DONTINHERIT 0x10
#define WX_APPEND 0x20
#define WX_TEXT 0x80
/* FIXME: this should be allocated dynamically */
#define MSVCRT_MAX_FILES 2048
typedef struct {
HANDLE handle;
unsigned char wxflag;
DWORD unkn[7]; /* critical section and init flag */
} ioinfo;
static ioinfo MSVCRT_fdesc[MSVCRT_MAX_FILES];
MSVCRT_FILE MSVCRT__iob[3];
static int MSVCRT_fdstart = 3; /* first unallocated fd */
static int MSVCRT_fdend = 3; /* highest allocated fd */
static MSVCRT_FILE* MSVCRT_fstreams[2048];
static int MSVCRT_stream_idx;
/* INTERNAL: process umask */
static int MSVCRT_umask = 0;
/* INTERNAL: Static buffer for temp file name */
static char MSVCRT_tmpname[MAX_PATH];
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 tables MSVCRT_fdesc and MSVCRT_fstreams,
* and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
* and MSVCRT_stream_idx, from race conditions.
* It doesn't protect against race conditions manipulating the underlying files
* or flags; doing so would probably be better accomplished with per-file
* protection, rather than locking the whole table for every change.
*/
static CRITICAL_SECTION MSVCRT_file_cs;
#define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
#define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
static void msvcrt_cp_from_stati64(const struct MSVCRT__stati64 *bufi64, struct MSVCRT__stat *buf)
{
buf->st_dev = bufi64->st_dev;
buf->st_ino = bufi64->st_ino;
buf->st_mode = bufi64->st_mode;
buf->st_nlink = bufi64->st_nlink;
buf->st_uid = bufi64->st_uid;
buf->st_gid = bufi64->st_gid;
buf->st_rdev = bufi64->st_rdev;
buf->st_size = bufi64->st_size;
buf->st_atime = bufi64->st_atime;
buf->st_mtime = bufi64->st_mtime;
buf->st_ctime = bufi64->st_ctime;
}
static inline BOOL msvcrt_is_valid_fd(int fd)
{
return fd >= 0 && fd < MSVCRT_fdend && (MSVCRT_fdesc[fd].wxflag & WX_OPEN);
}
/* INTERNAL: Get the HANDLE for a fd
* This doesn't lock the table, because a failure will result in
* INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
* it returns a valid handle which is about to be closed, a subsequent call
* will fail, most likely in a sane way.
*/
static HANDLE msvcrt_fdtoh(int fd)
{
if (!msvcrt_is_valid_fd(fd))
{
WARN(":fd (%d) - no handle!\n",fd);
*MSVCRT___doserrno() = 0;
*MSVCRT__errno() = MSVCRT_EBADF;
return INVALID_HANDLE_VALUE;
}
if (MSVCRT_fdesc[fd].handle == INVALID_HANDLE_VALUE) FIXME("wtf\n");
return MSVCRT_fdesc[fd].handle;
}
/* INTERNAL: free a file entry fd */
static void msvcrt_free_fd(int fd)
{
LOCK_FILES();
MSVCRT_fdesc[fd].handle = INVALID_HANDLE_VALUE;
MSVCRT_fdesc[fd].wxflag = 0;
TRACE(":fd (%d) freed\n",fd);
if (fd < 3) /* don't use 0,1,2 for user files */
{
switch (fd)
{
case 0: SetStdHandle(STD_INPUT_HANDLE, NULL); break;
case 1: SetStdHandle(STD_OUTPUT_HANDLE, NULL); break;
case 2: SetStdHandle(STD_ERROR_HANDLE, NULL); break;
}
}
else
{
if (fd == MSVCRT_fdend - 1)
MSVCRT_fdend--;
if (fd < MSVCRT_fdstart)
MSVCRT_fdstart = fd;
}
UNLOCK_FILES();
}
/* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
/* caller must hold the files lock */
static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
{
if (fd >= MSVCRT_MAX_FILES)
{
WARN(":files exhausted!\n");
return -1;
}
MSVCRT_fdesc[fd].handle = hand;
MSVCRT_fdesc[fd].wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
/* locate next free slot */
if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
MSVCRT_fdstart = MSVCRT_fdend + 1;
else
while (MSVCRT_fdstart < MSVCRT_fdend &&
MSVCRT_fdesc[MSVCRT_fdstart].handle != INVALID_HANDLE_VALUE)
MSVCRT_fdstart++;
/* update last fd in use */
if (fd >= MSVCRT_fdend)
MSVCRT_fdend = fd + 1;
TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
switch (fd)
{
case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
}
return fd;
}
/* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
static int msvcrt_alloc_fd(HANDLE hand, int flag)
{
int ret;
LOCK_FILES();
TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
UNLOCK_FILES();
return ret;
}
/* INTERNAL: Allocate a FILE* for an fd slot */
/* caller must hold the files lock */
static MSVCRT_FILE* msvcrt_alloc_fp(void)
{
unsigned int i;
for (i = 3; i < sizeof(MSVCRT_fstreams) / sizeof(MSVCRT_fstreams[0]); i++)
{
if (!MSVCRT_fstreams[i] || MSVCRT_fstreams[i]->_flag == 0)
{
if (!MSVCRT_fstreams[i])
{
if (!(MSVCRT_fstreams[i] = MSVCRT_calloc(sizeof(MSVCRT_FILE),1)))
return NULL;
if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
}
return MSVCRT_fstreams[i];
}
}
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 (!msvcrt_is_valid_fd(fd))
{
WARN(":invalid fd %d\n",fd);
*MSVCRT___doserrno() = 0;
*MSVCRT__errno() = MSVCRT_EBADF;
return -1;
}
memset(file, 0, sizeof(*file));
file->_file = fd;
file->_flag = stream_flags;
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(STARTUPINFOA* si)
{
int fd;
char* wxflag_ptr;
HANDLE* handle_ptr;
si->cbReserved2 = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
si->lpReserved2 = MSVCRT_calloc(si->cbReserved2, 1);
if (!si->lpReserved2)
{
si->cbReserved2 = 0;
return FALSE;
}
wxflag_ptr = (char*)si->lpReserved2 + sizeof(unsigned);
handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
*(unsigned*)si->lpReserved2 = MSVCRT_fdend;
for (fd = 0; fd < MSVCRT_fdend; fd++)
{
/* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
if ((MSVCRT_fdesc[fd].wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
{
*wxflag_ptr = MSVCRT_fdesc[fd].wxflag;
*handle_ptr = MSVCRT_fdesc[fd].handle;
}
else
{
*wxflag_ptr = 0;
*handle_ptr = INVALID_HANDLE_VALUE;
}
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;
InitializeCriticalSection(&MSVCRT_file_cs);
GetStartupInfoA(&si);
if (si.cbReserved2 != 0 && si.lpReserved2 != NULL)
{
char* wxflag_ptr;
HANDLE* handle_ptr;
MSVCRT_fdend = *(unsigned*)si.lpReserved2;
wxflag_ptr = (char*)(si.lpReserved2 + sizeof(unsigned));
handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
MSVCRT_fdend = min(MSVCRT_fdend, sizeof(MSVCRT_fdesc) / sizeof(MSVCRT_fdesc[0]));
for (i = 0; i < MSVCRT_fdend; i++)
{
if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
{
MSVCRT_fdesc[i].wxflag = *wxflag_ptr;
MSVCRT_fdesc[i].handle = *handle_ptr;
}
else
{
MSVCRT_fdesc[i].wxflag = 0;
MSVCRT_fdesc[i].handle = INVALID_HANDLE_VALUE;
}
wxflag_ptr++; handle_ptr++;
}
for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
if (MSVCRT_fdesc[MSVCRT_fdstart].handle == INVALID_HANDLE_VALUE) break;
}
if (!(MSVCRT_fdesc[0].wxflag & WX_OPEN) || MSVCRT_fdesc[0].handle == INVALID_HANDLE_VALUE)
{
DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE),
GetCurrentProcess(), &MSVCRT_fdesc[0].handle, 0, TRUE,
DUPLICATE_SAME_ACCESS);
MSVCRT_fdesc[0].wxflag = WX_OPEN | WX_TEXT;
}
if (!(MSVCRT_fdesc[1].wxflag & WX_OPEN) || MSVCRT_fdesc[1].handle == INVALID_HANDLE_VALUE)
{
DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE),
GetCurrentProcess(), &MSVCRT_fdesc[1].handle, 0, TRUE,
DUPLICATE_SAME_ACCESS);
MSVCRT_fdesc[1].wxflag = WX_OPEN | WX_TEXT;
}
if (!(MSVCRT_fdesc[2].wxflag & WX_OPEN) || MSVCRT_fdesc[2].handle == INVALID_HANDLE_VALUE)
{
DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_ERROR_HANDLE),
GetCurrentProcess(), &MSVCRT_fdesc[2].handle, 0, TRUE,
DUPLICATE_SAME_ACCESS);
MSVCRT_fdesc[2].wxflag = WX_OPEN | WX_TEXT;
}
TRACE(":handles (%p)(%p)(%p)\n",MSVCRT_fdesc[0].handle,
MSVCRT_fdesc[1].handle,MSVCRT_fdesc[2].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_fstreams[i] = &MSVCRT__iob[i];
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->_bufsiz) {
int cnt=file->_ptr-file->_base;
if(cnt>0 && _write(file->_file, file->_base, cnt) != cnt) {
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
file->_ptr=file->_base;
file->_cnt=file->_bufsiz;
}
return 0;
}
/* INTERNAL: Allocate stdio file buffer */
static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
{
file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
if(file->_base) {
file->_bufsiz = MSVCRT_BUFSIZ;
file->_flag |= MSVCRT__IOMYBUF;
} else {
file->_base = (char*)(&file->_charbuf);
/* put here 2 ??? */
file->_bufsiz = sizeof(file->_charbuf);
}
file->_ptr = file->_base;
file->_cnt = 0;
}
/* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
static void 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;
}
}
/*********************************************************************
* __p__iob(MSVCRT.@)
*/
MSVCRT_FILE * CDECL __p__iob(void)
{
return &MSVCRT__iob[0];
}
/*********************************************************************
* _access (MSVCRT.@)
*/
int CDECL _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;
}
/*********************************************************************
* _waccess (MSVCRT.@)
*/
int CDECL _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;
}
/*********************************************************************
* _chmod (MSVCRT.@)
*/
int CDECL _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 _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 _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 _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;
}
/* _flushall calls MSVCRT_fflush which calls _flushall */
int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
/*********************************************************************
* _flushall (MSVCRT.@)
*/
int CDECL _flushall(void)
{
int i, num_flushed = 0;
LOCK_FILES();
for (i = 3; i < MSVCRT_stream_idx; i++)
if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag)
{
#if 0
/* FIXME: flush, do not commit */
if (_commit(i) == -1)
if (MSVCRT_fstreams[i])
MSVCRT_fstreams[i]->_flag |= MSVCRT__IOERR;
#endif
if(MSVCRT_fstreams[i]->_flag & MSVCRT__IOWRT) {
MSVCRT_fflush(MSVCRT_fstreams[i]);
num_flushed++;
}
}
UNLOCK_FILES();
TRACE(":flushed (%d) handles\n",num_flushed);
return num_flushed;
}
/*********************************************************************
* fflush (MSVCRT.@)
*/
int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
{
if(!file) {
_flushall();
} else if(file->_flag & MSVCRT__IOWRT) {
int res=msvcrt_flush_buffer(file);
return res;
}
return 0;
}
/*********************************************************************
* _close (MSVCRT.@)
*/
int CDECL _close(int fd)
{
HANDLE hand;
int ret;
LOCK_FILES();
hand = msvcrt_fdtoh(fd);
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
ret = -1;
else if (!CloseHandle(hand))
{
WARN(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
ret = -1;
}
else
{
msvcrt_free_fd(fd);
ret = 0;
}
UNLOCK_FILES();
TRACE(":ok\n");
return ret;
}
/*********************************************************************
* _commit (MSVCRT.@)
*/
int CDECL _commit(int fd)
{
HANDLE hand = msvcrt_fdtoh(fd);
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return -1;
if (!FlushFileBuffers(hand))
{
if (GetLastError() == ERROR_INVALID_HANDLE)
{
/* FlushFileBuffers fails for console handles
* so we ignore this error.
*/
return 0;
}
TRACE(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
TRACE(":ok\n");
return 0;
}
/*********************************************************************
* _dup2 (MSVCRT.@)
* NOTES
* MSDN isn't clear on this point, but the remarks for _pipe,
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt__pipe.asp
* indicate file descriptors duplicated with _dup and _dup2 are always
* inheritable.
*/
int CDECL _dup2(int od, int nd)
{
int ret;
TRACE("(od=%d, nd=%d)\n", od, nd);
LOCK_FILES();
if (nd < MSVCRT_MAX_FILES && msvcrt_is_valid_fd(od))
{
HANDLE handle;
if (DuplicateHandle(GetCurrentProcess(), MSVCRT_fdesc[od].handle,
GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
{
int wxflag = MSVCRT_fdesc[od].wxflag & ~MSVCRT__O_NOINHERIT;
if (msvcrt_is_valid_fd(nd))
_close(nd);
ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
if (ret == -1)
{
CloseHandle(handle);
*MSVCRT__errno() = MSVCRT_EMFILE;
}
else
{
/* _dup2 returns 0, not nd, on success */
ret = 0;
}
}
else
{
ret = -1;
msvcrt_set_errno(GetLastError());
}
}
else
{
*MSVCRT__errno() = MSVCRT_EBADF;
ret = -1;
}
UNLOCK_FILES();
return ret;
}
/*********************************************************************
* _dup (MSVCRT.@)
*/
int CDECL _dup(int od)
{
int fd, ret;
LOCK_FILES();
fd = MSVCRT_fdstart;
if (_dup2(od, fd) == 0)
ret = fd;
else
ret = -1;
UNLOCK_FILES();
return ret;
}
/*********************************************************************
* _eof (MSVCRT.@)
*/
int CDECL _eof(int fd)
{
DWORD curpos,endpos;
LONG hcurpos,hendpos;
HANDLE hand = msvcrt_fdtoh(fd);
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return -1;
if (MSVCRT_fdesc[fd].wxflag & WX_ATEOF) return TRUE;
/* Otherwise we do it the hard way */
hcurpos = hendpos = 0;
curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
if (curpos == endpos && hcurpos == hendpos)
{
/* FIXME: shouldn't WX_ATEOF be set here? */
return TRUE;
}
SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
return FALSE;
}
/*********************************************************************
* _fcloseall (MSVCRT.@)
*/
int CDECL MSVCRT__fcloseall(void)
{
int num_closed = 0, i;
LOCK_FILES();
for (i = 3; i < MSVCRT_stream_idx; i++)
if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag &&
!MSVCRT_fclose(MSVCRT_fstreams[i]))
num_closed++;
UNLOCK_FILES();
TRACE(":closed (%d) handles\n",num_closed);
return num_closed;
}
/* free everything on process exit */
void msvcrt_free_io(void)
{
MSVCRT__fcloseall();
/* The Win32 _fcloseall() function explicitly doesn't close stdin,
* stdout, and stderr (unlike GNU), so we need to fclose() them here
* or they won't get flushed.
*/
MSVCRT_fclose(&MSVCRT__iob[0]);
MSVCRT_fclose(&MSVCRT__iob[1]);
MSVCRT_fclose(&MSVCRT__iob[2]);
DeleteCriticalSection(&MSVCRT_file_cs);
}
/*********************************************************************
* _lseeki64 (MSVCRT.@)
*/
__int64 CDECL _lseeki64(int fd, __int64 offset, int whence)
{
HANDLE hand = msvcrt_fdtoh(fd);
LARGE_INTEGER ofs, ret;
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return -1;
if (whence < 0 || whence > 2)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return -1;
}
TRACE(":fd (%d) to %s pos %s\n",
fd,wine_dbgstr_longlong(offset),
(whence==SEEK_SET)?"SEEK_SET":
(whence==SEEK_CUR)?"SEEK_CUR":
(whence==SEEK_END)?"SEEK_END":"UNKNOWN");
ofs.QuadPart = offset;
if (SetFilePointerEx(hand, ofs, &ret, whence))
{
MSVCRT_fdesc[fd].wxflag &= ~WX_ATEOF;
/* FIXME: What if we seek _to_ EOF - is EOF set? */
return ret.QuadPart;
}
TRACE(":error-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _lseek (MSVCRT.@)
*/
LONG CDECL _lseek(int fd, LONG offset, int whence)
{
return _lseeki64(fd, offset, whence);
}
/*********************************************************************
* _locking (MSVCRT.@)
*
* This is untested; the underlying LockFile doesn't work yet.
*/
int CDECL _locking(int fd, int mode, LONG nbytes)
{
BOOL ret;
DWORD cur_locn;
HANDLE hand = msvcrt_fdtoh(fd);
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return -1;
if (mode < 0 || mode > 4)
{
*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(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
{
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(hand, cur_locn, 0L, nbytes, 0L);
if (ret) break;
Sleep(1);
}
}
else if (mode == MSVCRT__LK_UNLCK)
ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
else
ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
/* FIXME - what about error settings? */
return ret ? 0 : -1;
}
/*********************************************************************
* fseek (MSVCRT.@)
*/
int CDECL MSVCRT_fseek(MSVCRT_FILE* file, long offset, int whence)
{
/* Flush output if needed */
if(file->_flag & MSVCRT__IOWRT)
msvcrt_flush_buffer(file);
if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
offset -= file->_cnt;
}
/* Discard buffered input */
file->_cnt = 0;
file->_ptr = file->_base;
/* Reset direction of i/o */
if(file->_flag & MSVCRT__IORW) {
file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
}
return (_lseek(file->_file,offset,whence) == -1)?-1:0;
}
/*********************************************************************
* _chsize (MSVCRT.@)
*/
int CDECL _chsize(int fd, long size)
{
LONG cur, pos;
HANDLE handle;
BOOL ret = FALSE;
TRACE("(fd=%d, size=%ld)\n", fd, size);
LOCK_FILES();
handle = msvcrt_fdtoh(fd);
if (handle != INVALID_HANDLE_VALUE)
{
/* save the current file pointer */
cur = _lseek(fd, 0, SEEK_CUR);
if (cur >= 0)
{
pos = _lseek(fd, size, SEEK_SET);
if (pos >= 0)
{
ret = SetEndOfFile(handle);
if (!ret) msvcrt_set_errno(GetLastError());
}
/* restore the file pointer */
_lseek(fd, cur, SEEK_SET);
}
}
UNLOCK_FILES();
return ret ? 0 : -1;
}
/*********************************************************************
* clearerr (MSVCRT.@)
*/
void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
}
/*********************************************************************
* rewind (MSVCRT.@)
*/
void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
MSVCRT_fseek(file, 0L, SEEK_SET);
MSVCRT_clearerr(file);
}
static int msvcrt_get_flags(const char* mode, int *open_flags, int* stream_flags)
{
int plus = strchr(mode, '+') != NULL;
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:
return -1;
}
while (*mode)
switch (*mode++)
{
case 'B': case 'b':
*open_flags |= MSVCRT__O_BINARY;
*open_flags &= ~MSVCRT__O_TEXT;
break;
case 'T': case 't':
*open_flags |= MSVCRT__O_TEXT;
*open_flags &= ~MSVCRT__O_BINARY;
break;
case '+':
break;
default:
FIXME(":unknown flag %c not supported\n",mode[-1]);
}
return 0;
}
/*********************************************************************
* _fdopen (MSVCRT.@)
*/
MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *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,mode,file);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* _wfdopen (MSVCRT.@)
*/
MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
{
unsigned mlen = strlenW(mode);
char *modea = MSVCRT_calloc(mlen + 1, 1);
MSVCRT_FILE* file = NULL;
int open_flags, stream_flags;
if (modea &&
WideCharToMultiByte(CP_ACP,0,mode,mlen,modea,mlen,NULL,NULL))
{
if (msvcrt_get_flags(modea, &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
{
if (file)
MSVCRT_rewind(file); /* FIXME: is this needed ??? */
TRACE(":fd (%d) mode (%s) FILE* (%p)\n",fd,debugstr_w(mode),file);
}
UNLOCK_FILES();
}
return file;
}
/*********************************************************************
* _filelength (MSVCRT.@)
*/
LONG CDECL _filelength(int fd)
{
LONG curPos = _lseek(fd, 0, SEEK_CUR);
if (curPos != -1)
{
LONG endPos = _lseek(fd, 0, SEEK_END);
if (endPos != -1)
{
if (endPos != curPos)
_lseek(fd, curPos, SEEK_SET);
return endPos;
}
}
return -1;
}
/*********************************************************************
* _filelengthi64 (MSVCRT.@)
*/
__int64 CDECL _filelengthi64(int fd)
{
__int64 curPos = _lseeki64(fd, 0, SEEK_CUR);
if (curPos != -1)
{
__int64 endPos = _lseeki64(fd, 0, SEEK_END);
if (endPos != -1)
{
if (endPos != curPos)
_lseeki64(fd, curPos, 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;
}
/*********************************************************************
* _fstati64 (MSVCRT.@)
*/
int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
{
DWORD dw;
BY_HANDLE_FILE_INFORMATION hfi;
HANDLE hand = msvcrt_fdtoh(fd);
TRACE(":fd (%d) stat (%p)\n",fd,buf);
if (hand == INVALID_HANDLE_VALUE)
return -1;
if (!buf)
{
WARN(":failed-NULL buf\n");
msvcrt_set_errno(ERROR_INVALID_PARAMETER);
return -1;
}
memset(&hfi, 0, sizeof(hfi));
memset(buf, 0, sizeof(struct MSVCRT__stati64));
if (!GetFileInformationByHandle(hand, &hfi))
{
WARN(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(ERROR_INVALID_PARAMETER);
return -1;
}
dw = GetFileType(hand);
buf->st_mode = S_IREAD;
if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
buf->st_mode |= S_IWRITE;
/* interestingly, Windows never seems to set S_IFDIR */
if (dw == FILE_TYPE_CHAR)
buf->st_mode |= S_IFCHR;
else if (dw == FILE_TYPE_PIPE)
buf->st_mode |= S_IFIFO;
else
buf->st_mode |= S_IFREG;
TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
buf->st_mode);
buf->st_nlink = hfi.nNumberOfLinks;
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;
return 0;
}
/*********************************************************************
* _fstat (MSVCRT.@)
*/
int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
{ int ret;
struct MSVCRT__stati64 bufi64;
ret = MSVCRT__fstati64(fd, &bufi64);
if (!ret)
msvcrt_cp_from_stati64(&bufi64, buf);
return ret;
}
/*********************************************************************
* _futime (MSVCRT.@)
*/
int CDECL _futime(int fd, struct MSVCRT__utimbuf *t)
{
HANDLE hand = msvcrt_fdtoh(fd);
FILETIME at, wt;
if (!t)
{
MSVCRT_time_t currTime;
MSVCRT_time(&currTime);
RtlSecondsSince1970ToTime(currTime, (LARGE_INTEGER *)&at);
memcpy(&wt, &at, sizeof(wt));
}
else
{
RtlSecondsSince1970ToTime(t->actime, (LARGE_INTEGER *)&at);
if (t->actime == t->modtime)
memcpy(&wt, &at, sizeof(wt));
else
RtlSecondsSince1970ToTime(t->modtime, (LARGE_INTEGER *)&wt);
}
if (!SetFileTime(hand, NULL, &at, &wt))
{
msvcrt_set_errno(GetLastError());
return -1 ;
}
return 0;
}
/*********************************************************************
* _get_osfhandle (MSVCRT.@)
*/
long CDECL _get_osfhandle(int fd)
{
HANDLE hand = msvcrt_fdtoh(fd);
TRACE(":fd (%d) handle (%p)\n",fd,hand);
return (long)hand;
}
/*********************************************************************
* _isatty (MSVCRT.@)
*/
int CDECL _isatty(int fd)
{
HANDLE hand = msvcrt_fdtoh(fd);
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return 0;
return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
}
/*********************************************************************
* _mktemp (MSVCRT.@)
*/
char * CDECL _mktemp(char *pattern)
{
int numX = 0;
char *retVal = pattern;
int id;
char letter = 'a';
while(*pattern)
numX = (*pattern++ == 'X')? numX + 1 : 0;
if (numX < 5)
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 &&
GetLastError() == ERROR_FILE_NOT_FOUND)
return retVal;
} while(letter <= 'z');
return NULL;
}
/*********************************************************************
* _wmktemp (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL _wmktemp(MSVCRT_wchar_t *pattern)
{
int numX = 0;
MSVCRT_wchar_t *retVal = pattern;
int id;
MSVCRT_wchar_t letter = 'a';
while(*pattern)
numX = (*pattern++ == 'X')? numX + 1 : 0;
if (numX < 5)
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 &&
GetLastError() == ERROR_FILE_NOT_FOUND)
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 (*__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
)))
ERR(":unsupported oflags 0x%04x\n",unsupp);
return wxflags;
}
/*********************************************************************
* _pipe (MSVCRT.@)
*/
int CDECL _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;
LOCK_FILES();
fd = msvcrt_alloc_fd(readHandle, wxflags);
if (fd != -1)
{
pfds[0] = fd;
fd = msvcrt_alloc_fd(writeHandle, wxflags);
if (fd != -1)
{
pfds[1] = fd;
ret = 0;
}
else
{
_close(pfds[0]);
CloseHandle(writeHandle);
*MSVCRT__errno() = MSVCRT_EMFILE;
}
}
else
{
CloseHandle(readHandle);
CloseHandle(writeHandle);
*MSVCRT__errno() = MSVCRT_EMFILE;
}
UNLOCK_FILES();
}
else
msvcrt_set_errno(GetLastError());
return ret;
}
/*********************************************************************
* _sopen (MSVCRT.@)
*/
int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
{
va_list ap;
int pmode;
DWORD access = 0, creation = 0, attrib;
DWORD sharing;
int wxflag = 0, fd;
HANDLE hand;
SECURITY_ATTRIBUTES sa;
TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
path, oflags, shflags);
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)
{
va_start(ap, shflags);
pmode = va_arg(ap, int);
va_end(ap);
if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
FIXME(": pmode 0x%04x ignored\n", pmode);
else
WARN(": pmode 0x%04x ignored\n", pmode);
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 -1;
}
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) ? FALSE : TRUE;
hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
if (hand == INVALID_HANDLE_VALUE) {
WARN(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
return -1;
}
fd = msvcrt_alloc_fd(hand, wxflag);
TRACE(":fd (%d) handle (%p)\n",fd, hand);
return fd;
}
/*********************************************************************
* _wsopen (MSVCRT.@)
*/
int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t* path, int oflags, int shflags, ... )
{
const unsigned int len = strlenW(path);
char *patha = MSVCRT_calloc(len + 1,1);
va_list ap;
int pmode;
va_start(ap, shflags);
pmode = va_arg(ap, int);
va_end(ap);
if (patha && WideCharToMultiByte(CP_ACP,0,path,len,patha,len,NULL,NULL))
{
int retval = MSVCRT__sopen(patha,oflags,shflags,pmode);
MSVCRT_free(patha);
return retval;
}
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _open (MSVCRT.@)
*/
int CDECL _open( const char *path, int flags, ... )
{
va_list ap;
if (flags & MSVCRT__O_CREAT)
{
int pmode;
va_start(ap, flags);
pmode = va_arg(ap, int);
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 _wopen(const MSVCRT_wchar_t *path,int flags,...)
{
const unsigned int len = strlenW(path);
char *patha = MSVCRT_calloc(len + 1,1);
va_list ap;
int pmode;
va_start(ap, flags);
pmode = va_arg(ap, int);
va_end(ap);
if (patha && WideCharToMultiByte(CP_ACP,0,path,len,patha,len,NULL,NULL))
{
int retval = _open(patha,flags,pmode);
MSVCRT_free(patha);
return retval;
}
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _creat (MSVCRT.@)
*/
int CDECL _creat(const char *path, int flags)
{
int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
return _open(path, usedFlags);
}
/*********************************************************************
* _wcreat (MSVCRT.@)
*/
int CDECL _wcreat(const MSVCRT_wchar_t *path, int flags)
{
int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
return _wopen(path, usedFlags);
}
/*********************************************************************
* _open_osfhandle (MSVCRT.@)
*/
int CDECL _open_osfhandle(long handle, int oflags)
{
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;
fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
return fd;
}
/*********************************************************************
* _rmtmp (MSVCRT.@)
*/
int CDECL _rmtmp(void)
{
int num_removed = 0, i;
LOCK_FILES();
for (i = 3; i < MSVCRT_stream_idx; i++)
if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_tmpfname)
{
MSVCRT_fclose(MSVCRT_fstreams[i]);
num_removed++;
}
UNLOCK_FILES();
if (num_removed)
TRACE(":removed (%d) temp files\n",num_removed);
return num_removed;
}
/*********************************************************************
* (internal) remove_cr
*
* Remove all \r inplace.
* return the number of \r removed
*/
static unsigned int remove_cr(char *buf, unsigned int count)
{
unsigned int i, j;
for (i = 0; i < count; i++) if (buf[i] == '\r') break;
for (j = i + 1; j < count; j++) if (buf[j] != '\r') buf[i++] = buf[j];
return count - i;
}
/*********************************************************************
* (internal) read_i
*/
static int read_i(int fd, void *buf, unsigned int count)
{
DWORD num_read;
char *bufstart = buf;
HANDLE hand = msvcrt_fdtoh(fd);
/* Don't trace small reads, it gets *very* annoying */
if (count > 4)
TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
if (hand == INVALID_HANDLE_VALUE)
return -1;
/* Reading single bytes in O_TEXT mode makes things slow
* So read big chunks
*/
if (ReadFile(hand, bufstart, count, &num_read, NULL))
{
if (MSVCRT_fdesc[fd].wxflag & WX_TEXT)
{
int i;
/* in text mode, a ctrl-z signals EOF */
for (i=0; i<num_read; i++)
{
if (bufstart[i] == 0x1a)
{
num_read = i;
break;
}
}
}
if (num_read != count)
{
MSVCRT_fdesc[fd].wxflag |= WX_ATEOF;
TRACE(":EOF %s\n",debugstr_an(buf,num_read));
}
}
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 _read(int fd, void *buf, unsigned int count)
{
int num_read;
num_read = read_i(fd, buf, count);
if (num_read>0 && MSVCRT_fdesc[fd].wxflag & WX_TEXT)
{
num_read -= remove_cr(buf,num_read);
}
return num_read;
}
/*********************************************************************
* _setmode (MSVCRT.@)
*/
int CDECL _setmode(int fd,int mode)
{
int ret = MSVCRT_fdesc[fd].wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
MSVCRT_fdesc[fd].wxflag |= WX_TEXT;
else
MSVCRT_fdesc[fd].wxflag &= ~WX_TEXT;
return ret;
}
/*********************************************************************
* _stati64 (MSVCRT.@)
*/
int CDECL MSVCRT__stati64(const char* path, struct MSVCRT__stati64 * buf)
{
DWORD dw;
WIN32_FILE_ATTRIBUTE_DATA hfi;
unsigned short mode = ALL_S_IREAD;
int plen;
TRACE(":file (%s) buf(%p)\n",path,buf);
if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
{
TRACE("failed (%d)\n",GetLastError());
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return -1;
}
memset(buf,0,sizeof(struct MSVCRT__stati64));
/* 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 = _getdrive() - 1;
plen = strlen(path);
/* Dir, or regular file? */
if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
(path[plen-1] == '\\'))
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%08lx%08lx %ld %ld %ld\n", buf->st_mode,buf->st_nlink,
(long)(buf->st_size >> 32),(long)buf->st_size,
buf->st_atime,buf->st_mtime, buf->st_ctime);
return 0;
}
/*********************************************************************
* _stat (MSVCRT.@)
*/
int CDECL MSVCRT__stat(const char* path, struct MSVCRT__stat * buf)
{ int ret;
struct MSVCRT__stati64 bufi64;
ret = MSVCRT__stati64( path, &bufi64);
if (!ret)
msvcrt_cp_from_stati64(&bufi64, buf);
return ret;
}
/*********************************************************************
* _wstati64 (MSVCRT.@)
*/
int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * 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);
if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
{
TRACE("failed (%d)\n",GetLastError());
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return -1;
}
memset(buf,0,sizeof(struct MSVCRT__stat));
/* 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 = _getdrive() - 1;
plen = strlenW(path);
/* Dir, or regular file? */
if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
(path[plen-1] == '\\'))
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%08lx%08lx %ld %ld %ld\n", buf->st_mode,buf->st_nlink,
(long)(buf->st_size >> 32),(long)buf->st_size,
buf->st_atime,buf->st_mtime, buf->st_ctime);
return 0;
}
/*********************************************************************
* _wstat (MSVCRT.@)
*/
int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
{
int ret;
struct MSVCRT__stati64 bufi64;
ret = MSVCRT__wstati64( path, &bufi64 );
if (!ret) msvcrt_cp_from_stati64(&bufi64, buf);
return ret;
}
/*********************************************************************
* _tell (MSVCRT.@)
*/
long CDECL _tell(int fd)
{
return _lseek(fd, 0, SEEK_CUR);
}
/*********************************************************************
* _telli64 (MSVCRT.@)
*/
__int64 CDECL _telli64(int fd)
{
return _lseeki64(fd, 0, SEEK_CUR);
}
/*********************************************************************
* _tempnam (MSVCRT.@)
*/
char * CDECL _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 _strdup(tmpbuf);
}
TRACE("failed (%d)\n",GetLastError());
return NULL;
}
/*********************************************************************
* _wtempnam (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL _wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
{
MSVCRT_wchar_t tmpbuf[MAX_PATH];
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 _wcsdup(tmpbuf);
}
TRACE("failed (%d)\n",GetLastError());
return NULL;
}
/*********************************************************************
* _umask (MSVCRT.@)
*/
int CDECL _umask(int umask)
{
int old_umask = MSVCRT_umask;
TRACE("(%d)\n",umask);
MSVCRT_umask = umask;
return old_umask;
}
/*********************************************************************
* _utime (MSVCRT.@)
*/
int CDECL _utime(const char* path, struct MSVCRT__utimbuf *t)
{
int fd = _open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
if (fd > 0)
{
int retVal = _futime(fd, t);
_close(fd);
return retVal;
}
return -1;
}
/*********************************************************************
* _wutime (MSVCRT.@)
*/
int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT__utimbuf *t)
{
int fd = _wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
if (fd > 0)
{
int retVal = _futime(fd, t);
_close(fd);
return retVal;
}
return -1;
}
/*********************************************************************
* _write (MSVCRT.@)
*/
int CDECL _write(int fd, const void* buf, unsigned int count)
{
DWORD num_written;
HANDLE hand = msvcrt_fdtoh(fd);
/* 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;
return -1;
}
/* If appending, go to EOF */
if (MSVCRT_fdesc[fd].wxflag & WX_APPEND)
_lseek(fd, 0, FILE_END);
if (!(MSVCRT_fdesc[fd].wxflag & WX_TEXT))
{
if (WriteFile(hand, buf, count, &num_written, NULL)
&& (num_written == count))
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;
char *p = NULL;
const char *q;
const char *s = (const char *)buf, *buf_start = (const char *)buf;
/* find number of \n ( without preceding \r ) */
for ( nr_lf=0,i = 0; i <count; i++)
{
if (s[i]== '\n')
{
nr_lf++;
/*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
}
}
if (nr_lf)
{
if ((q = p = MSVCRT_malloc(count + nr_lf)))
{
for (s = (const char *)buf, i = 0, j = 0; i < count; i++)
{
if (s[i]== '\n')
{
p[j++] = '\r';
/*if ((i >1) && (s[i-1] == '\r'))j--;*/
}
p[j++] = s[i];
}
}
else
{
FIXME("Malloc failed\n");
nr_lf =0;
q = buf;
}
}
else
q = buf;
if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
{
TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
fd, hand, GetLastError(), num_written);
*MSVCRT__errno() = MSVCRT_ENOSPC;
if(nr_lf)
MSVCRT_free(p);
return s - buf_start;
}
else
{
if(nr_lf)
MSVCRT_free(p);
return count;
}
}
return -1;
}
/*********************************************************************
* _putw (MSVCRT.@)
*/
int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
{
int len;
len = _write(file->_file, &val, sizeof(val));
if (len == sizeof(val)) return val;
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
/*********************************************************************
* fclose (MSVCRT.@)
*/
int CDECL MSVCRT_fclose(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(file);
if(file->_flag & MSVCRT__IOMYBUF)
MSVCRT_free(file->_base);
r=_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)
{
/* Allocate buffer if needed */
if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF) ) {
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__IONBF) {
unsigned char c;
int r;
if ((r = read_i(file->_file,&c,1)) != 1) {
file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
return MSVCRT_EOF;
}
return c;
} else {
file->_cnt = read_i(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;
return *(unsigned char *)file->_base;
}
}
/*********************************************************************
* fgetc (MSVCRT.@)
*/
int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
{
unsigned char *i;
unsigned int j;
do {
if (file->_cnt>0) {
file->_cnt--;
i = (unsigned char *)file->_ptr++;
j = *i;
} else
j = MSVCRT__filbuf(file);
if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) || (j != '\r'))
return j;
} while(1);
}
/*********************************************************************
* _fgetchar (MSVCRT.@)
*/
int CDECL _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);
while ((size >1) && (cc = MSVCRT_fgetc(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");
return NULL;
}
if ((cc != MSVCRT_EOF) && (size > 1))
*s++ = cc;
*s = '\0';
TRACE(":got %s\n", debugstr_a(buf_start));
return buf_start;
}
/*********************************************************************
* fgetwc (MSVCRT.@)
*
* In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
* the CR from CR/LF combinations
*/
MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
{
char c;
if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
{
MSVCRT_wchar_t wc;
int i,j;
char *chp, *wcp;
wcp = (char *)&wc;
for(i=0; i<sizeof(wc); i++)
{
if (file->_cnt>0)
{
file->_cnt--;
chp = file->_ptr++;
wcp[i] = *chp;
}
else
{
j = MSVCRT__filbuf(file);
if(file->_cnt<=0)
{
file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
file->_cnt = 0;
return MSVCRT_WEOF;
}
wcp[i] = j;
}
}
return wc;
}
c = MSVCRT_fgetc(file);
if ((*__p___mb_cur_max() > 1) && MSVCRT_isleadbyte(c))
{
FIXME("Treat Multibyte characters\n");
}
if (c == MSVCRT_EOF)
return MSVCRT_WEOF;
else
return (MSVCRT_wint_t)c;
}
/*********************************************************************
* _getw (MSVCRT.@)
*/
int CDECL MSVCRT__getw(MSVCRT_FILE* file)
{
char *ch;
int i, j, k;
ch = (char *)&i;
for (j=0; j<sizeof(int); j++) {
k = MSVCRT_fgetc(file);
if (k == MSVCRT_EOF) {
file->_flag |= MSVCRT__IOEOF;
return EOF;
}
ch[j] = k;
}
return i;
}
/*********************************************************************
* getwc (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
{
return MSVCRT_fgetwc(file);
}
/*********************************************************************
* _fgetwchar (MSVCRT.@)
*/
MSVCRT_wint_t CDECL _fgetwchar(void)
{
return MSVCRT_fgetwc(MSVCRT_stdin);
}
/*********************************************************************
* getwchar (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
{
return _fgetwchar();
}
/*********************************************************************
* fgetws (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
{
int cc = MSVCRT_WEOF;
MSVCRT_wchar_t * buf_start = s;
TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
file,file->_file,s,size);
while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
{
*s++ = (char)cc;
size --;
}
if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
{
TRACE(":nothing read\n");
return NULL;
}
if ((cc != MSVCRT_WEOF) && (size > 1))
*s++ = cc;
*s = 0;
TRACE(":got %s\n", debugstr_w(buf_start));
return buf_start;
}
/*********************************************************************
* 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 wrcnt=size * nmemb;
int written = 0;
if (size == 0)
return 0;
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__IOWRT)) {
if(file->_flag & MSVCRT__IORW) {
file->_flag |= MSVCRT__IOWRT;
} else
return 0;
}
if(wrcnt) {
/* Flush buffer */
int res=msvcrt_flush_buffer(file);
if(!res) {
int pwritten = _write(file->_file, ptr, wrcnt);
if (pwritten <= 0)
{
file->_flag |= MSVCRT__IOERR;
pwritten=0;
}
written += pwritten;
}
}
return written / size;
}
/*********************************************************************
* fputwc (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
{
MSVCRT_wchar_t mwc=wc;
if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
return MSVCRT_WEOF;
return wc;
}
/*********************************************************************
* _fputwchar (MSVCRT.@)
*/
MSVCRT_wint_t CDECL _fputwchar(MSVCRT_wint_t wc)
{
return MSVCRT_fputwc(wc, MSVCRT_stdout);
}
/*********************************************************************
* _fsopen (MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
{
MSVCRT_FILE* file;
int open_flags, stream_flags, fd;
TRACE("(%s,%s)\n",path,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__sopen(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,mode,file);
else if (file)
{
file->_flag = 0;
file = NULL;
}
TRACE(":got (%p)\n",file);
if (fd >= 0 && !file)
_close(fd);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* _wfsopen (MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
{
const unsigned int plen = strlenW(path), mlen = strlenW(mode);
char *patha = MSVCRT_calloc(plen + 1, 1);
char *modea = MSVCRT_calloc(mlen + 1, 1);
TRACE("(%s,%s)\n",debugstr_w(path),debugstr_w(mode));
if (patha && modea &&
WideCharToMultiByte(CP_ACP,0,path,plen,patha,plen,NULL,NULL) &&
WideCharToMultiByte(CP_ACP,0,mode,mlen,modea,mlen,NULL,NULL))
{
MSVCRT_FILE *retval = MSVCRT__fsopen(patha,modea,share);
MSVCRT_free(patha);
MSVCRT_free(modea);
return retval;
}
msvcrt_set_errno(GetLastError());
return NULL;
}
/*********************************************************************
* fopen (MSVCRT.@)
*/
MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
{
return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
}
/*********************************************************************
* _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 );
}
/* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
/*********************************************************************
* fputc (MSVCRT.@)
*/
int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
{
if(file->_cnt>0) {
*file->_ptr++=c;
file->_cnt--;
if (c == '\n')
{
int res = msvcrt_flush_buffer(file);
return res ? res : c;
}
else
return c;
} else {
return MSVCRT__flsbuf(c, file);
}
}
/*********************************************************************
* _flsbuf (MSVCRT.@)
*/
int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
{
/* Flush output buffer */
if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
msvcrt_alloc_buffer(file);
}
if(!(file->_flag & MSVCRT__IOWRT)) {
if(file->_flag & MSVCRT__IORW) {
file->_flag |= MSVCRT__IOWRT;
} else {
return MSVCRT_EOF;
}
}
if(file->_bufsiz) {
int res=msvcrt_flush_buffer(file);
return res?res : MSVCRT_fputc(c, file);
} else {
unsigned char cc=c;
int len;
len = _write(file->_file, &cc, 1);
if (len == 1) return c;
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
}
/*********************************************************************
* _fputchar (MSVCRT.@)
*/
int CDECL _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 rcnt=size * nmemb;
MSVCRT_size_t read=0;
int 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;
if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT)
pcnt -= remove_cr(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;
}
while(rcnt>0)
{
int i;
/* Fill the buffer on small reads.
* TODO: Use a better buffering strategy.
*/
if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
if (file->_bufsiz == 0) {
msvcrt_alloc_buffer(file);
}
file->_cnt = _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) {
MSVCRT_fdesc[file->_file].wxflag &= ~WX_ATEOF;
file->_flag &= ~MSVCRT__IOEOF;
}
if (i > 0) {
memcpy(ptr, file->_ptr, i);
file->_cnt -= i;
file->_ptr += i;
}
} else {
i = _read(file->_file,ptr, rcnt);
}
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 ( MSVCRT_fdesc[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;
}
/*********************************************************************
* freopen (MSVCRT.@)
*
*/
MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode,MSVCRT_FILE* file)
{
int open_flags, stream_flags, fd;
TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n",path,mode,file,file->_file);
LOCK_FILES();
if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
file = NULL;
else
{
MSVCRT_fclose(file);
/* map mode string to open() flags. "man fopen" for possibilities. */
if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
file = NULL;
else
{
fd = _open(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
if (fd < 0)
file = NULL;
else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
{
file->_flag = 0;
WARN(":failed-last error (%d)\n",GetLastError());
msvcrt_set_errno(GetLastError());
file = NULL;
}
}
}
UNLOCK_FILES();
return file;
}
/*********************************************************************
* fsetpos (MSVCRT.@)
*/
int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
{
/* Note that all this has been lifted 'as is' from fseek */
if(file->_flag & MSVCRT__IOWRT)
msvcrt_flush_buffer(file);
/* Discard buffered input */
file->_cnt = 0;
file->_ptr = file->_base;
/* Reset direction of i/o */
if(file->_flag & MSVCRT__IORW) {
file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
}
return (_lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
}
/*********************************************************************
* ftell (MSVCRT.@)
*/
LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
{
int off=0;
long pos;
if(file->_bufsiz) {
if( file->_flag & MSVCRT__IOWRT ) {
off = file->_ptr - file->_base;
} else {
off = -file->_cnt;
}
}
pos = _tell(file->_file);
if(pos == -1) return pos;
return off + pos;
}
/*********************************************************************
* fgetpos (MSVCRT.@)
*/
int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
{
/* This code has been lifted form the MSVCRT_ftell function */
int off=0;
*pos = _lseeki64(file->_file,0,SEEK_CUR);
if (*pos == -1) return -1;
if(file->_bufsiz) {
if( file->_flag & MSVCRT__IOWRT ) {
off = file->_ptr - file->_base;
} else {
off = -file->_cnt;
}
}
*pos += off;
return 0;
}
/*********************************************************************
* fputs (MSVCRT.@)
*/
int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
{
size_t i, len = strlen(s);
if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
for (i=0; i<len; i++)
if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF)
return MSVCRT_EOF;
return 0;
}
/*********************************************************************
* fputws (MSVCRT.@)
*/
int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
{
size_t i, len = strlenW(s);
if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
for (i=0; i<len; i++)
{
if ((s[i] == L'\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
return MSVCRT_WEOF;
if (MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF)
return MSVCRT_WEOF;
}
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;
for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
cc = MSVCRT_fgetc(MSVCRT_stdin))
if(cc != '\r') *buf++ = (char)cc;
*buf = '\0';
TRACE("got '%s'\n", buf_start);
return buf_start;
}
/*********************************************************************
* _getws (MSVCRT.@)
*/
MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
{
MSVCRT_wint_t cc;
MSVCRT_wchar_t* ws = buf;
for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
cc = MSVCRT_fgetwc(MSVCRT_stdin))
{
if (cc != '\r')
*buf++ = (MSVCRT_wchar_t)cc;
}
*buf = '\0';
TRACE("got %s\n", debugstr_w(ws));
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)
{
size_t len = strlen(s);
if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
return MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
}
/*********************************************************************
* _putws (MSVCRT.@)
*/
int CDECL _putws(const MSVCRT_wchar_t *s)
{
static const MSVCRT_wchar_t nl = '\n';
size_t len = strlenW(s);
if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
return MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
}
/*********************************************************************
* 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 _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 _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)
{
/* TODO: Check if file busy */
if(file->_bufsiz) {
MSVCRT_free(file->_base);
file->_bufsiz = 0;
file->_cnt = 0;
}
if(mode == MSVCRT__IOFBF) {
file->_flag &= ~MSVCRT__IONBF;
file->_base = file->_ptr = buf;
if(buf) {
file->_bufsiz = size;
}
} else {
file->_flag |= MSVCRT__IONBF;
}
return 0;
}
/*********************************************************************
* setbuf (MSVCRT.@)
*/
void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
{
MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
}
/*********************************************************************
* tmpnam (MSVCRT.@)
*/
char * CDECL MSVCRT_tmpnam(char *s)
{
static int unique;
char tmpstr[16];
char *p;
int count;
if (s == 0)
s = MSVCRT_tmpname;
msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
p = s + sprintf(s, "\\s%s.", tmpstr);
for (count = 0; count < MSVCRT_TMP_MAX; count++)
{
msvcrt_int_to_base32(unique++, tmpstr);
strcpy(p, tmpstr);
if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
GetLastError() == ERROR_FILE_NOT_FOUND)
break;
}
return s;
}
/*********************************************************************
* tmpfile (MSVCRT.@)
*/
MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
{
char *filename = MSVCRT_tmpnam(NULL);
int fd;
MSVCRT_FILE* file = NULL;
LOCK_FILES();
fd = _open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
if (fd != -1 && (file = msvcrt_alloc_fp()))
{
if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
{
file->_flag = 0;
file = NULL;
}
else file->_tmpfname = _strdup(filename);
}
UNLOCK_FILES();
return file;
}
/*********************************************************************
* vfprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, va_list valist)
{
char buf[2048], *mem = buf;
int written, resize = sizeof(buf), retval;
/* There are two conventions for vsnprintf failing:
* Return -1 if we truncated, or
* Return the number of bytes that would have been written
* The code below handles both cases
*/
while ((written = MSVCRT_vsnprintf(mem, resize, format, valist)) == -1 ||
written > resize)
{
resize = (written == -1 ? resize * 2 : written + 1);
if (mem != buf)
MSVCRT_free (mem);
if (!(mem = (char *)MSVCRT_malloc(resize)))
return MSVCRT_EOF;
}
retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
if (mem != buf)
MSVCRT_free (mem);
return retval;
}
/*********************************************************************
* vfwprintf (MSVCRT.@)
* FIXME:
* Is final char included in written (then resize is too big) or not
* (then we must test for equality too)?
*/
int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, va_list valist)
{
MSVCRT_wchar_t buf[2048], *mem = buf;
int written, resize = sizeof(buf) / sizeof(MSVCRT_wchar_t), retval;
/* See vfprintf comments */
while ((written = MSVCRT_vsnwprintf(mem, resize, format, valist)) == -1 ||
written > resize)
{
resize = (written == -1 ? resize * 2 : written + sizeof(MSVCRT_wchar_t));
if (mem != buf)
MSVCRT_free (mem);
if (!(mem = (MSVCRT_wchar_t *)MSVCRT_malloc(resize*sizeof(*mem))))
return MSVCRT_EOF;
}
retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
if (mem != buf)
MSVCRT_free (mem);
return retval;
}
/*********************************************************************
* vprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vprintf(const char *format, va_list valist)
{
return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
}
/*********************************************************************
* vwprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, va_list valist)
{
return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
}
/*********************************************************************
* fprintf (MSVCRT.@)
*/
int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = MSVCRT_vfprintf(file, format, valist);
va_end(valist);
return res;
}
/*********************************************************************
* fwprintf (MSVCRT.@)
*/
int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = MSVCRT_vfwprintf(file, format, valist);
va_end(valist);
return res;
}
/*********************************************************************
* printf (MSVCRT.@)
*/
int CDECL MSVCRT_printf(const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
va_end(valist);
return res;
}
/*********************************************************************
* ungetc (MSVCRT.@)
*/
int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
{
if (c == MSVCRT_EOF)
return MSVCRT_EOF;
if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
msvcrt_alloc_buffer(file);
file->_ptr++;
}
if(file->_ptr>file->_base) {
file->_ptr--;
*file->_ptr=c;
file->_cnt++;
MSVCRT_clearerr(file);
return c;
}
return MSVCRT_EOF;
}
/*********************************************************************
* ungetwc (MSVCRT.@)
*/
MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
{
MSVCRT_wchar_t mwc = wc;
char * pp = (char *)&mwc;
int i;
for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
if(pp[i] != MSVCRT_ungetc(pp[i],file))
return MSVCRT_WEOF;
}
return mwc;
}
/*********************************************************************
* wprintf (MSVCRT.@)
*/
int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = MSVCRT_vwprintf(format, valist);
va_end(valist);
return res;
}
/*********************************************************************
* _getmaxstdio (MSVCRT.@)
*/
int CDECL _getmaxstdio(void)
{
FIXME("stub, always returns 512\n");
return 512;
}
/*********************************************************************
* _setmaxstdio_ (MSVCRT.@)
*/
int CDECL _setmaxstdio(int newmax)
{
int res;
if( newmax > 2048)
res = -1;
else
res = newmax;
FIXME("stub: setting new maximum for number of simultaneously open files not implemented,returning %d\n",res);
return res;
}
/*********************************************************************
* __pioinfo (MSVCRT.@)
* FIXME: see MSVCRT_MAX_FILES define.
*/
ioinfo * MSVCRT___pioinfo[] = { /* array of pointers to ioinfo arrays [64] */
&MSVCRT_fdesc[0 * 64], &MSVCRT_fdesc[1 * 64], &MSVCRT_fdesc[2 * 64],
&MSVCRT_fdesc[3 * 64], &MSVCRT_fdesc[4 * 64], &MSVCRT_fdesc[5 * 64],
&MSVCRT_fdesc[6 * 64], &MSVCRT_fdesc[7 * 64], &MSVCRT_fdesc[8 * 64],
&MSVCRT_fdesc[9 * 64], &MSVCRT_fdesc[10 * 64], &MSVCRT_fdesc[11 * 64],
&MSVCRT_fdesc[12 * 64], &MSVCRT_fdesc[13 * 64], &MSVCRT_fdesc[14 * 64],
&MSVCRT_fdesc[15 * 64], &MSVCRT_fdesc[16 * 64], &MSVCRT_fdesc[17 * 64],
&MSVCRT_fdesc[18 * 64], &MSVCRT_fdesc[19 * 64], &MSVCRT_fdesc[20 * 64],
&MSVCRT_fdesc[21 * 64], &MSVCRT_fdesc[22 * 64], &MSVCRT_fdesc[23 * 64],
&MSVCRT_fdesc[24 * 64], &MSVCRT_fdesc[25 * 64], &MSVCRT_fdesc[26 * 64],
&MSVCRT_fdesc[27 * 64], &MSVCRT_fdesc[28 * 64], &MSVCRT_fdesc[29 * 64],
&MSVCRT_fdesc[30 * 64], &MSVCRT_fdesc[31 * 64]
} ;
/*********************************************************************
* __badioinfo (MSVCRT.@)
*/
ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
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