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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
*/
#include <time.h>
#include "ntddk.h"
#include "msvcrt.h"
#include "ms_errno.h"
DEFAULT_DEBUG_CHANNEL(msvcrt);
/* stat() mode bits */
#define _S_IFMT 0xF000
#define _S_IFREG 0x8000
#define _S_IFDIR 0x4000
#define _S_IFCHR 0x2000
#define _S_IFIFO 0x1000
#define _S_IFBLK 0x3000
#define _S_IREAD 0x0100
#define _S_IWRITE 0x0080
#define _S_IEXEC 0x0040
/* for stat mode, permissions apply to all,owner and group */
#define MSVCRT_S_IREAD (_S_IREAD | (_S_IREAD >> 3) | (_S_IREAD >> 6))
#define MSVCRT_S_IWRITE (_S_IWRITE | (_S_IWRITE >> 3) | (_S_IWRITE >> 6))
#define MSVCRT_S_IEXEC (_S_IEXEC | (_S_IEXEC >> 3) | (_S_IEXEC >> 6))
/* _open modes */
#define _O_RDONLY 0x0000
#define _O_WRONLY 0x0001
#define _O_RDWR 0x0002
#define _O_APPEND 0x0008
#define _O_CREAT 0x0100
#define _O_TRUNC 0x0200
#define _O_EXCL 0x0400
#define _O_TEXT 0x4000
#define _O_BINARY 0x8000
#define _O_TEMPORARY 0x0040 /* Will be closed and deleted on exit */
/* _access() bit flags FIXME: incomplete */
#define W_OK 2
typedef struct _crtfile
{
char* _ptr;
int _cnt;
char* _base;
int _flag;
int _file; /* fd */
int _charbuf;
int _bufsiz;
char *_tmpfname;
} MSVCRT_FILE;
/* file._flag flags */
#define _IOREAD 0x0001
#define _IOWRT 0x0002
#define _IOEOF 0x0010
#define _IOERR 0x0020
#define _IORW 0x0080
#define _IOAPPEND 0x0200
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#define _IOFBF 0
#define _IOLBF 1
#define _IONBF 2
#define BUFSIZ 512
#define MSVCRT_stdin (&MSVCRT__iob[0])
#define MSVCRT_stdout (&MSVCRT__iob[1])
#define MSVCRT_stderr (&MSVCRT__iob[2])
struct _stat
{
unsigned short st_dev;
unsigned short st_ino;
unsigned short st_mode;
short st_nlink;
short st_uid;
short st_gid;
unsigned int st_rdev;
int st_size;
int st_atime;
int st_mtime;
int st_ctime;
};
typedef long MSVCRT_fpos_t;
struct _utimbuf
{
time_t actime;
time_t modtime;
};
/* FIXME: Make this dynamic */
#define MSVCRT_MAX_FILES 257
HANDLE MSVCRT_handles[MSVCRT_MAX_FILES];
MSVCRT_FILE* MSVCRT_files[MSVCRT_MAX_FILES];
int MSVCRT_flags[MSVCRT_MAX_FILES];
char *MSVCRT_tempfiles[MSVCRT_MAX_FILES];
MSVCRT_FILE MSVCRT__iob[3];
static int MSVCRT_fdstart = 3; /* first unallocated fd */
static int MSVCRT_fdend = 3; /* highest allocated fd */
/* 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)((WCHAR)L##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');
extern CRITICAL_SECTION MSVCRT_file_cs;
#define LOCK_FILES EnterCriticalSection(&MSVCRT_file_cs)
#define UNLOCK_FILES LeaveCriticalSection(&MSVCRT_file_cs)
time_t __cdecl MSVCRT_time(time_t *);
int __cdecl MSVCRT__getdrive(void);
WCHAR *__cdecl MSVCRT__wcsdup(const WCHAR *);
unsigned int __cdecl wcslen(const WCHAR*);
int __cdecl iswalpha(WCHAR);
int __cdecl towupper(WCHAR);
int __cdecl towlower(WCHAR);
int __cdecl MSVCRT__vsnwprintf(WCHAR *,unsigned int,const WCHAR *,va_list);
/* INTERNAL: Get the HANDLE for a fd */
static HANDLE MSVCRT__fdtoh(int fd)
{
if (fd < 0 || fd >= MSVCRT_fdend ||
MSVCRT_handles[fd] == INVALID_HANDLE_VALUE)
{
WARN(":fd (%d) - no handle!\n",fd);
SET_THREAD_VAR(doserrno,0);
SET_THREAD_VAR(errno,MSVCRT_EBADF);
return INVALID_HANDLE_VALUE;
}
return MSVCRT_handles[fd];
}
/* INTERNAL: free a file entry fd */
static void MSVCRT__free_fd(int fd)
{
MSVCRT_handles[fd] = INVALID_HANDLE_VALUE;
MSVCRT_files[fd] = 0;
MSVCRT_flags[fd] = 0;
TRACE(":fd (%d) freed\n",fd);
if (fd < 3)
return; /* dont use 0,1,2 for user files */
if (fd == MSVCRT_fdend - 1)
MSVCRT_fdend--;
if (fd < MSVCRT_fdstart)
MSVCRT_fdstart = fd;
}
/* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
static int MSVCRT__alloc_fd(HANDLE hand, int flag)
{
int fd = MSVCRT_fdstart;
TRACE(":handle (%d) allocating fd (%d)\n",hand,fd);
if (fd >= MSVCRT_MAX_FILES)
{
WARN(":files exhausted!\n");
return -1;
}
MSVCRT_handles[fd] = hand;
MSVCRT_flags[fd] = flag;
/* locate next free slot */
if (fd == MSVCRT_fdend)
MSVCRT_fdstart = ++MSVCRT_fdend;
else
while(MSVCRT_fdstart < MSVCRT_fdend &&
MSVCRT_handles[MSVCRT_fdstart] != INVALID_HANDLE_VALUE)
MSVCRT_fdstart++;
return fd;
}
/* INTERNAL: Allocate a FILE* for an fd slot
* This is done lazily to avoid memory wastage for low level open/write
* usage when a FILE* is not requested (but may be later).
*/
static MSVCRT_FILE* MSVCRT__alloc_fp(int fd)
{
TRACE(":fd (%d) allocating FILE*\n",fd);
if (fd < 0 || fd >= MSVCRT_fdend ||
MSVCRT_handles[fd] == INVALID_HANDLE_VALUE)
{
WARN(":invalid fd %d\n",fd);
SET_THREAD_VAR(doserrno,0);
SET_THREAD_VAR(errno,MSVCRT_EBADF);
return NULL;
}
if (!MSVCRT_files[fd])
{
if ((MSVCRT_files[fd] = MSVCRT_calloc(sizeof(MSVCRT_FILE),1)))
{
MSVCRT_files[fd]->_file = fd;
MSVCRT_files[fd]->_flag = MSVCRT_flags[fd];
MSVCRT_files[fd]->_flag &= ~_IOAPPEND; /* mask out, see above */
}
}
TRACE(":got FILE* (%p)\n",MSVCRT_files[fd]);
return MSVCRT_files[fd];
}
/* INTERNAL: Set up stdin, stderr and stdout */
void MSVCRT_init_io(void)
{
int i;
memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
MSVCRT_handles[0] = GetStdHandle(STD_INPUT_HANDLE);
MSVCRT_flags[0] = MSVCRT__iob[0]._flag = _IOREAD;
MSVCRT_handles[1] = GetStdHandle(STD_OUTPUT_HANDLE);
MSVCRT_flags[1] = MSVCRT__iob[1]._flag = _IOWRT;
MSVCRT_handles[2] = GetStdHandle(STD_ERROR_HANDLE);
MSVCRT_flags[2] = MSVCRT__iob[2]._flag = _IOWRT;
TRACE(":handles (%d)(%d)(%d)\n",MSVCRT_handles[0],
MSVCRT_handles[1],MSVCRT_handles[2]);
for (i = 0; i < 3; i++)
{
/* FILE structs for stdin/out/err are static and never deleted */
MSVCRT_files[i] = &MSVCRT__iob[i];
MSVCRT__iob[i]._file = i;
MSVCRT_tempfiles[i] = NULL;
}
}
/*********************************************************************
* __p__iob(MSVCRT.@)
*/
MSVCRT_FILE *MSVCRT___p__iob(void)
{
return &MSVCRT__iob[0];
}
/*********************************************************************
* _access (MSVCRT.@)
*/
int __cdecl MSVCRT__access(const char *filename, int mode)
{
DWORD attr = GetFileAttributesA(filename);
TRACE("(%s,%d) %ld\n",filename,mode,attr);
if (!filename || attr == 0xffffffff)
{
MSVCRT__set_errno(GetLastError());
return -1;
}
if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
{
MSVCRT__set_errno(ERROR_ACCESS_DENIED);
return -1;
}
return 0;
}
/*********************************************************************
* _waccess (MSVCRT.@)
*/
int __cdecl MSVCRT__waccess(const WCHAR *filename, int mode)
{
DWORD attr = GetFileAttributesW(filename);
TRACE("(%s,%d) %ld\n",debugstr_w(filename),mode,attr);
if (!filename || attr == 0xffffffff)
{
MSVCRT__set_errno(GetLastError());
return -1;
}
if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
{
MSVCRT__set_errno(ERROR_ACCESS_DENIED);
return -1;
}
return 0;
}
/*********************************************************************
* _chmod (MSVCRT.@)
*/
int __cdecl MSVCRT__chmod(const char *path, int flags)
{
DWORD oldFlags = GetFileAttributesA(path);
if (oldFlags != 0x0FFFFFFFF)
{
DWORD newFlags = (flags & _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 WCHAR *path, int flags)
{
DWORD oldFlags = GetFileAttributesW(path);
if (oldFlags != 0x0FFFFFFFF)
{
DWORD newFlags = (flags & _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",path);
if(DeleteFileA(path))
return 0;
TRACE("failed (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wunlink (MSVCRT.@)
*/
int __cdecl MSVCRT__wunlink(const WCHAR *path)
{
TRACE("(%s)\n",debugstr_w(path));
if(DeleteFileW(path))
return 0;
TRACE("failed (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _close (MSVCRT.@)
*/
int __cdecl MSVCRT__close(int fd)
{
HANDLE hand = MSVCRT__fdtoh(fd);
TRACE(":fd (%d) handle (%d)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return -1;
/* Dont free std FILE*'s, they are not dynamic */
if (fd > 2 && MSVCRT_files[fd])
MSVCRT_free(MSVCRT_files[fd]);
MSVCRT__free_fd(fd);
if (!CloseHandle(hand))
{
WARN(":failed-last error (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
if (MSVCRT_tempfiles[fd])
{
TRACE("deleting temporary file '%s'\n",MSVCRT_tempfiles[fd]);
MSVCRT__unlink(MSVCRT_tempfiles[fd]);
MSVCRT_free(MSVCRT_tempfiles[fd]);
MSVCRT_tempfiles[fd] = NULL;
}
TRACE(":ok\n");
return 0;
}
/*********************************************************************
* _commit (MSVCRT.@)
*/
int __cdecl MSVCRT__commit(int fd)
{
HANDLE hand = MSVCRT__fdtoh(fd);
TRACE(":fd (%d) handle (%d)\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 (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
TRACE(":ok\n");
return 0;
}
/*********************************************************************
* _eof (MSVCRT.@)
*/
int __cdecl MSVCRT__eof(int fd)
{
DWORD curpos,endpos;
HANDLE hand = MSVCRT__fdtoh(fd);
TRACE(":fd (%d) handle (%d)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return -1;
/* If we have a FILE* for this file, the EOF flag
* will be set by the read()/write() functions.
*/
if (MSVCRT_files[fd])
return MSVCRT_files[fd]->_flag & _IOEOF;
/* Otherwise we do it the hard way */
curpos = SetFilePointer(hand, 0, NULL, SEEK_CUR);
endpos = SetFilePointer(hand, 0, NULL, FILE_END);
if (curpos == endpos)
return TRUE;
SetFilePointer(hand, curpos, 0, FILE_BEGIN);
return FALSE;
}
/*********************************************************************
* _fcloseall (MSVCRT.@)
*/
int __cdecl MSVCRT__fcloseall(void)
{
int num_closed = 0, i;
for (i = 3; i < MSVCRT_fdend; i++)
if (MSVCRT_handles[i] != INVALID_HANDLE_VALUE)
{
MSVCRT__close(i);
num_closed++;
}
TRACE(":closed (%d) handles\n",num_closed);
return num_closed;
}
/*********************************************************************
* _lseek (MSVCRT.@)
*/
LONG __cdecl MSVCRT__lseek(int fd, LONG offset, int whence)
{
DWORD ret;
HANDLE hand = MSVCRT__fdtoh(fd);
TRACE(":fd (%d) handle (%d)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return -1;
if (whence < 0 || whence > 2)
{
SET_THREAD_VAR(errno,MSVCRT_EINVAL);
return -1;
}
TRACE(":fd (%d) to 0x%08lx pos %s\n",
fd,offset,(whence==SEEK_SET)?"SEEK_SET":
(whence==SEEK_CUR)?"SEEK_CUR":
(whence==SEEK_END)?"SEEK_END":"UNKNOWN");
if ((ret = SetFilePointer(hand, offset, NULL, whence)) != 0xffffffff)
{
if (MSVCRT_files[fd])
MSVCRT_files[fd]->_flag &= ~_IOEOF;
/* FIXME: What if we seek _to_ EOF - is EOF set? */
return ret;
}
TRACE(":error-last error (%ld)\n",GetLastError());
if (MSVCRT_files[fd])
switch(GetLastError())
{
case ERROR_NEGATIVE_SEEK:
case ERROR_SEEK_ON_DEVICE:
MSVCRT__set_errno(GetLastError());
MSVCRT_files[fd]->_flag |= _IOERR;
break;
default:
break;
}
return -1;
}
/*********************************************************************
* rewind (MSVCRT.@)
*/
void __cdecl MSVCRT_rewind(MSVCRT_FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
MSVCRT__lseek(file->_file,0,SEEK_SET);
file->_flag &= ~(_IOEOF | _IOERR);
}
/*********************************************************************
* _fdopen (MSVCRT.@)
*/
MSVCRT_FILE* __cdecl MSVCRT__fdopen(int fd, const char *mode)
{
MSVCRT_FILE* file = MSVCRT__alloc_fp(fd);
TRACE(":fd (%d) mode (%s) FILE* (%p)\n",fd,mode,file);
if (file)
MSVCRT_rewind(file);
return file;
}
/*********************************************************************
* _wfdopen (MSVCRT.@)
*/
MSVCRT_FILE* __cdecl MSVCRT__wfdopen(int fd, const WCHAR *mode)
{
MSVCRT_FILE* file = MSVCRT__alloc_fp(fd);
TRACE(":fd (%d) mode (%s) FILE* (%p)\n",fd,debugstr_w(mode),file);
if (file)
MSVCRT_rewind(file);
return file;
}
/*********************************************************************
* _filelength (MSVCRT.@)
*/
LONG __cdecl MSVCRT__filelength(int fd)
{
LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
if (curPos != -1)
{
LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
if (endPos != -1)
{
if (endPos != curPos)
MSVCRT__lseek(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;
}
/*********************************************************************
* _flushall (MSVCRT.@)
*/
int __cdecl MSVCRT__flushall(void)
{
int num_flushed = 0, i = 3;
while(i < MSVCRT_fdend)
if (MSVCRT_handles[i] != INVALID_HANDLE_VALUE)
{
if (MSVCRT__commit(i) == -1)
if (MSVCRT_files[i])
MSVCRT_files[i]->_flag |= _IOERR;
num_flushed++;
}
TRACE(":flushed (%d) handles\n",num_flushed);
return num_flushed;
}
/*********************************************************************
* _fstat (MSVCRT.@)
*/
int __cdecl MSVCRT__fstat(int fd, struct _stat* 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 _stat));
if (!GetFileInformationByHandle(hand, &hfi))
{
WARN(":failed-last error (%ld)\n",GetLastError());
MSVCRT__set_errno(ERROR_INVALID_PARAMETER);
return -1;
}
FIXME(":dwFileAttributes = %d, mode set to 0",hfi.dwFileAttributes);
buf->st_nlink = hfi.nNumberOfLinks;
buf->st_size = hfi.nFileSizeLow;
RtlTimeToSecondsSince1970(&hfi.ftLastAccessTime, &dw);
buf->st_atime = dw;
RtlTimeToSecondsSince1970(&hfi.ftLastWriteTime, &dw);
buf->st_mtime = buf->st_ctime = dw;
return 0;
}
/*********************************************************************
* _futime (MSVCRT.@)
*/
int __cdecl MSVCRT__futime(int fd, struct _utimbuf *t)
{
HANDLE hand = MSVCRT__fdtoh(fd);
FILETIME at, wt;
if (!t)
{
time_t currTime;
MSVCRT_time(&currTime);
RtlSecondsSince1970ToTime(currTime, &at);
memcpy(&wt, &at, sizeof(wt));
}
else
{
RtlSecondsSince1970ToTime(t->actime, &at);
if (t->actime == t->modtime)
memcpy(&wt, &at, sizeof(wt));
else
RtlSecondsSince1970ToTime(t->modtime, &wt);
}
if (!SetFileTime(hand, NULL, &at, &wt))
{
MSVCRT__set_errno(GetLastError());
return -1 ;
}
return 0;
}
/*********************************************************************
* _get_osfhandle (MSVCRT.@)
*/
HANDLE MSVCRT__get_osfhandle(int fd)
{
HANDLE hand = MSVCRT__fdtoh(fd);
HANDLE newhand = hand;
TRACE(":fd (%d) handle (%d)\n",fd,hand);
if (hand != INVALID_HANDLE_VALUE)
{
/* FIXME: I'm not convinced that I should be copying the
* handle here - it may be leaked if the app doesn't
* close it (and the API docs dont say that it should)
* Not duplicating it means that it can't be inherited
* and so lcc's wedit doesn't cope when it passes it to
* child processes. I've an idea that it should either
* be copied by CreateProcess, or marked as inheritable
* when initialised, or maybe both? JG 21-9-00.
*/
DuplicateHandle(GetCurrentProcess(),hand,GetCurrentProcess(),
&newhand,0,TRUE,DUPLICATE_SAME_ACCESS);
}
return newhand;
}
/*********************************************************************
* _isatty (MSVCRT.@)
*/
int __cdecl MSVCRT__isatty(int fd)
{
HANDLE hand = MSVCRT__fdtoh(fd);
TRACE(":fd (%d) handle (%d)\n",fd,hand);
if (hand == INVALID_HANDLE_VALUE)
return 0;
return GetFileType(fd) == FILE_TYPE_CHAR? 1 : 0;
}
/*********************************************************************
* _mktemp (MSVCRT.@)
*/
char *__cdecl MSVCRT__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
{
if (GetFileAttributesA(retVal) == 0xFFFFFFFF &&
GetLastError() == ERROR_FILE_NOT_FOUND)
return retVal;
*pattern = letter++;
} while(letter != '|');
return NULL;
}
/*********************************************************************
* _wmktemp (MSVCRT.@)
*/
WCHAR *__cdecl MSVCRT__wmktemp(WCHAR *pattern)
{
int numX = 0;
WCHAR *retVal = pattern;
int id;
WCHAR letter = (WCHAR)L'a';
while(*pattern)
numX = (*pattern++ == (WCHAR)L'X')? numX + 1 : 0;
if (numX < 5)
return NULL;
pattern--;
id = GetCurrentProcessId();
numX = 6;
while(numX--)
{
int tempNum = id / 10;
*pattern-- = id - (tempNum * 10) + (WCHAR)L'0';
id = tempNum;
}
pattern++;
do
{
if (GetFileAttributesW(retVal) == 0xFFFFFFFF &&
GetLastError() == ERROR_FILE_NOT_FOUND)
return retVal;
*pattern = letter++;
} while(letter != (WCHAR)L'|');
return NULL;
}
/*********************************************************************
* _open (MSVCRT.@)
*/
int __cdecl MSVCRT__open(const char *path,int flags)
{
DWORD access = 0, creation = 0;
int ioflag = 0, fd;
HANDLE hand;
TRACE(":file (%s) mode 0x%04x\n",path,flags);
switch(flags & (_O_RDONLY | _O_WRONLY | _O_RDWR))
{
case _O_RDONLY:
access |= GENERIC_READ;
ioflag |= _IOREAD;
break;
case _O_WRONLY:
access |= GENERIC_WRITE;
ioflag |= _IOWRT;
break;
case _O_RDWR:
access |= GENERIC_WRITE | GENERIC_READ;
ioflag |= _IORW;
break;
}
if (flags & _O_CREAT)
{
if (flags & _O_EXCL)
creation = CREATE_NEW;
else if (flags & _O_TRUNC)
creation = CREATE_ALWAYS;
else
creation = OPEN_ALWAYS;
}
else /* no _O_CREAT */
{
if (flags & _O_TRUNC)
creation = TRUNCATE_EXISTING;
else
creation = OPEN_EXISTING;
}
if (flags & _O_APPEND)
ioflag |= _IOAPPEND;
flags |= _O_BINARY; /* FIXME: Default to text */
if (flags & _O_TEXT)
{
/* Dont warn when writing */
if (ioflag & GENERIC_READ)
FIXME(":TEXT node not implemented\n");
flags &= ~_O_TEXT;
}
if (flags & ~(_O_BINARY|_O_TEXT|_O_APPEND|_O_TRUNC|_O_EXCL
|_O_CREAT|_O_RDWR|_O_TEMPORARY))
TRACE(":unsupported flags 0x%04x\n",flags);
hand = CreateFileA(path, access, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, creation, FILE_ATTRIBUTE_NORMAL, 0);
if (hand == INVALID_HANDLE_VALUE)
{
WARN(":failed-last error (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
fd = MSVCRT__alloc_fd(hand, ioflag);
TRACE(":fd (%d) handle (%d)\n",fd, hand);
if (fd > 0)
{
if (flags & _O_TEMPORARY)
MSVCRT_tempfiles[fd] = MSVCRT__strdup(path);
if (ioflag & _IOAPPEND)
MSVCRT__lseek(fd, 0, FILE_END);
}
return fd;
}
/*********************************************************************
* _wopen (MSVCRT.@)
*/
int __cdecl MSVCRT__wopen(const WCHAR *path,int flags)
{
const unsigned int len = wcslen(path);
char *patha = MSVCRT_calloc(len + 1,1);
if (patha && WideCharToMultiByte(CP_ACP,0,path,len,patha,len,NULL,NULL))
{
int retval = MSVCRT__open(patha,flags);
MSVCRT_free(patha);
return retval;
}
MSVCRT__set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _creat (MSVCRT.@)
*/
int __cdecl MSVCRT__creat(const char *path, int flags)
{
int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
return MSVCRT__open(path, usedFlags);
}
/*********************************************************************
* _wcreat (MSVCRT.@)
*/
int __cdecl MSVCRT__wcreat(const WCHAR *path, int flags)
{
int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
return MSVCRT__wopen(path, usedFlags);
}
/*********************************************************************
* _open_osfhandle (MSVCRT.@)
*/
int __cdecl MSVCRT__open_osfhandle(HANDLE hand, int flags)
{
int fd = MSVCRT__alloc_fd(hand,flags);
TRACE(":handle (%d) fd (%d)\n",hand,fd);
return fd;
}
/*********************************************************************
* _rmtmp (MSVCRT.@)
*/
int __cdecl MSVCRT__rmtmp(void)
{
int num_removed = 0, i;
for (i = 3; i < MSVCRT_fdend; i++)
if (MSVCRT_tempfiles[i])
{
MSVCRT__close(i);
num_removed++;
}
if (num_removed)
TRACE(":removed (%d) temp files\n",num_removed);
return num_removed;
}
/*********************************************************************
* _read (MSVCRT.@)
*/
int __cdecl MSVCRT__read(int fd, void *buf, unsigned int count)
{
DWORD num_read;
HANDLE hand = MSVCRT__fdtoh(fd);
/* Dont trace small reads, it gets *very* annoying */
if (count > 4)
TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
if (hand == INVALID_HANDLE_VALUE)
return -1;
/* Set _cnt to 0 so optimised binaries will call our implementation
* of putc/getc. See _filbuf/_flsbuf comments.
*/
if (MSVCRT_files[fd])
MSVCRT_files[fd]->_cnt = 0;
if (ReadFile(hand, buf, count, &num_read, NULL))
{
if (num_read != count && MSVCRT_files[fd])
{
TRACE(":EOF\n");
MSVCRT_files[fd]->_flag |= _IOEOF;
}
return num_read;
}
TRACE(":failed-last error (%ld)\n",GetLastError());
if (MSVCRT_files[fd])
MSVCRT_files[fd]->_flag |= _IOERR;
return -1;
}
/*********************************************************************
* _getw (MSVCRT.@)
*/
int __cdecl MSVCRT__getw(MSVCRT_FILE* file)
{
int i;
if (MSVCRT__read(file->_file, &i, sizeof(int)) != 1)
return MSVCRT_EOF;
return i;
}
/*********************************************************************
* _setmode (MSVCRT.@)
*/
int __cdecl MSVCRT__setmode(int fd,int mode)
{
if (mode & _O_TEXT)
FIXME("fd (%d) mode (%d) TEXT not implemented\n",fd,mode);
return 0;
}
/*********************************************************************
* _stat (MSVCRT.@)
*/
int __cdecl MSVCRT__stat(const char* path, struct _stat * buf)
{
DWORD dw;
WIN32_FILE_ATTRIBUTE_DATA hfi;
unsigned short mode = MSVCRT_S_IREAD;
int plen;
TRACE(":file (%s) buf(%p)\n",path,buf);
if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
{
TRACE("failed (%ld)\n",GetLastError());
MSVCRT__set_errno(ERROR_FILE_NOT_FOUND);
return -1;
}
memset(buf,0,sizeof(struct _stat));
/* FIXME: rdev isnt drive num,despite what the docs say-what is it? */
if (isalpha(*path))
buf->st_dev = buf->st_rdev = toupper(*path - 'A'); /* drive num */
else
buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
plen = strlen(path);
/* Dir, or regular file? */
if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
(path[plen-1] == '\\'))
mode |= (_S_IFDIR | MSVCRT_S_IEXEC);
else
{
mode |= _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 |= MSVCRT_S_IEXEC;
}
}
if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
mode |= MSVCRT_S_IWRITE;
buf->st_mode = mode;
buf->st_nlink = 1;
buf->st_size = hfi.nFileSizeLow;
RtlTimeToSecondsSince1970(&hfi.ftLastAccessTime, &dw);
buf->st_atime = dw;
RtlTimeToSecondsSince1970(&hfi.ftLastWriteTime, &dw);
buf->st_mtime = buf->st_ctime = dw;
TRACE("\n%d %d %d %d %d %d\n", buf->st_mode,buf->st_nlink,buf->st_size,
buf->st_atime,buf->st_mtime, buf->st_ctime);
return 0;
}
/*********************************************************************
* _wstat (MSVCRT.@)
*/
int __cdecl MSVCRT__wstat(const WCHAR* path, struct _stat * buf)
{
DWORD dw;
WIN32_FILE_ATTRIBUTE_DATA hfi;
unsigned short mode = MSVCRT_S_IREAD;
int plen;
TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
{
TRACE("failed (%ld)\n",GetLastError());
MSVCRT__set_errno(ERROR_FILE_NOT_FOUND);
return -1;
}
memset(buf,0,sizeof(struct _stat));
/* FIXME: rdev isnt drive num,despite what the docs say-what is it? */
if (iswalpha(*path))
buf->st_dev = buf->st_rdev = towupper(*path - (WCHAR)L'A'); /* drive num */
else
buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
plen = wcslen(path);
/* Dir, or regular file? */
if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
(path[plen-1] == (WCHAR)L'\\'))
mode |= (_S_IFDIR | MSVCRT_S_IEXEC);
else
{
mode |= _S_IFREG;
/* executable? */
if (plen > 6 && path[plen-4] == (WCHAR)L'.') /* shortest exe: "\x.exe" */
{
ULONGLONG ext = towlower(path[plen-1]) | (towlower(path[plen-2]) << 16) |
((ULONGLONG)towlower(path[plen-3]) << 32);
if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
mode |= MSVCRT_S_IEXEC;
}
}
if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
mode |= MSVCRT_S_IWRITE;
buf->st_mode = mode;
buf->st_nlink = 1;
buf->st_size = hfi.nFileSizeLow;
RtlTimeToSecondsSince1970(&hfi.ftLastAccessTime, &dw);
buf->st_atime = dw;
RtlTimeToSecondsSince1970(&hfi.ftLastWriteTime, &dw);
buf->st_mtime = buf->st_ctime = dw;
TRACE("\n%d %d %d %d %d %d\n", buf->st_mode,buf->st_nlink,buf->st_size,
buf->st_atime,buf->st_mtime, buf->st_ctime);
return 0;
}
/*********************************************************************
* _tell (MSVCRT.@)
*/
LONG __cdecl MSVCRT__tell(int fd)
{
return MSVCRT__lseek(fd, 0, SEEK_CUR);
}
/*********************************************************************
* _tempnam (MSVCRT.@)
*/
char *__cdecl MSVCRT__tempnam(const char *dir, const char *prefix)
{
char tmpbuf[MAX_PATH];
TRACE("dir (%s) prefix (%s)\n",dir,prefix);
if (GetTempFileNameA(dir,prefix,0,tmpbuf))
{
TRACE("got name (%s)\n",tmpbuf);
return MSVCRT__strdup(tmpbuf);
}
TRACE("failed (%ld)\n",GetLastError());
return NULL;
}
/*********************************************************************
* _wtempnam (MSVCRT.@)
*/
WCHAR *__cdecl MSVCRT__wtempnam(const WCHAR *dir, const WCHAR *prefix)
{
WCHAR 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));
return MSVCRT__wcsdup(tmpbuf);
}
TRACE("failed (%ld)\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;
}
/*********************************************************************
* _utime (MSVCRT.@)
*/
int __cdecl MSVCRT__utime(const char *path, struct _utimbuf *t)
{
int fd = MSVCRT__open(path, _O_WRONLY | _O_BINARY);
if (fd > 0)
{
int retVal = MSVCRT__futime(fd, t);
MSVCRT__close(fd);
return retVal;
}
return -1;
}
/*********************************************************************
* _wutime (MSVCRT.@)
*/
int __cdecl MSVCRT__wutime(const WCHAR *path, struct _utimbuf *t)
{
int fd = MSVCRT__wopen(path, _O_WRONLY | _O_BINARY);
if (fd > 0)
{
int retVal = MSVCRT__futime(fd, t);
MSVCRT__close(fd);
return retVal;
}
return -1;
}
/*********************************************************************
* _write (MSVCRT.@)
*/
unsigned int __cdecl MSVCRT__write(int fd, const void *buf, unsigned int count)
{
DWORD num_written;
HANDLE hand = MSVCRT__fdtoh(fd);
/* Dont trace small writes, it gets *very* annoying */
// if (count > 32)
// TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
if (hand == INVALID_HANDLE_VALUE)
return -1;
/* If appending, go to EOF */
if (MSVCRT_flags[fd] & _IOAPPEND)
MSVCRT__lseek(fd, 0, FILE_END);
/* Set _cnt to 0 so optimised binaries will call our implementation
* of putc/getc.
*/
if (MSVCRT_files[fd])
MSVCRT_files[fd]->_cnt = 0;
if (WriteFile(hand, buf, count, &num_written, NULL)
&& (num_written == count))
return num_written;
TRACE(":failed-last error (%ld)\n",GetLastError());
if (MSVCRT_files[fd])
MSVCRT_files[fd]->_flag |= _IOERR;
return -1;
}
/*********************************************************************
* _putw (MSVCRT.@)
*/
int __cdecl MSVCRT__putw(int val, MSVCRT_FILE* file)
{
return MSVCRT__write(file->_file, &val, sizeof(val)) == 1? val : MSVCRT_EOF;
}
/*********************************************************************
* clearerr (MSVCRT.@)
*/
void __cdecl MSVCRT_clearerr(MSVCRT_FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
file->_flag &= ~(_IOERR | _IOEOF);
}
/*********************************************************************
* fclose (MSVCRT.@)
*/
int __cdecl MSVCRT_fclose(MSVCRT_FILE* file)
{
return MSVCRT__close(file->_file);
}
/*********************************************************************
* feof (MSVCRT.@)
*/
int __cdecl MSVCRT_feof(MSVCRT_FILE* file)
{
return file->_flag & _IOEOF;
}
/*********************************************************************
* ferror (MSVCRT.@)
*/
int __cdecl MSVCRT_ferror(MSVCRT_FILE* file)
{
return file->_flag & _IOERR;
}
/*********************************************************************
* fflush (MSVCRT.@)
*/
int __cdecl MSVCRT_fflush(MSVCRT_FILE* file)
{
return MSVCRT__commit(file->_file);
}
/*********************************************************************
* fgetc (MSVCRT.@)
*/
int __cdecl MSVCRT_fgetc(MSVCRT_FILE* file)
{
char c;
if (MSVCRT__read(file->_file,&c,1) != 1)
return MSVCRT_EOF;
return c;
}
/*********************************************************************
* _fgetchar (MSVCRT.@)
*/
int __cdecl MSVCRT__fgetchar(void)
{
return MSVCRT_fgetc(MSVCRT_stdin);
}
/*********************************************************************
* _filbuf (MSVCRT.@)
*/
int __cdecl MSVCRT__filbuf(MSVCRT_FILE* file)
{
return MSVCRT_fgetc(file);
}
/*********************************************************************
* fgetpos (MSVCRT.@)
*/
int __cdecl MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
{
*pos = MSVCRT__tell(file->_file);
return (*pos == -1? -1 : 0);
}
/*********************************************************************
* fgets (MSVCRT.@)
*/
char *__cdecl MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
{
int cc;
char * buf_start = s;
TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
file,file->_file,s,size);
/* BAD, for the whole WINE process blocks... just done this way to test
* windows95's ftp.exe.
* JG - Is this true now we use ReadFile() on stdin too?
*/
for(cc = MSVCRT_fgetc(file); cc != MSVCRT_EOF && cc != '\n';
cc = MSVCRT_fgetc(file))
if (cc != '\r')
{
if (--size <= 0) break;
*s++ = (char)cc;
}
if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
{
TRACE(":nothing read\n");
return 0;
}
if (cc == '\n')
if (--size > 0)
*s++ = '\n';
*s = '\0';
TRACE(":got '%s'\n", buf_start);
return buf_start;
}
/*********************************************************************
* fgetwc (MSVCRT.@)
*/
WCHAR __cdecl MSVCRT_fgetwc(MSVCRT_FILE* file)
{
WCHAR wc;
if (MSVCRT__read(file->_file, &wc, sizeof(wc)) != sizeof(wc))
return MSVCRT_WEOF;
return wc;
}
/*********************************************************************
* getwc (MSVCRT.@)
*/
WCHAR __cdecl MSVCRT_getwc(MSVCRT_FILE* file)
{
return MSVCRT_fgetwc(file);
}
/*********************************************************************
* _fgetwchar (MSVCRT.@)
*/
WCHAR __cdecl MSVCRT__fgetwchar(void)
{
return MSVCRT_fgetwc(MSVCRT_stdin);
}
/*********************************************************************
* getwchar (MSVCRT.@)
*/
WCHAR __cdecl MSVCRT_getwchar(void)
{
return MSVCRT__fgetwchar();
}
/*********************************************************************
* fputwc (MSVCRT.@)
*/
WCHAR __cdecl MSVCRT_fputwc(WCHAR wc, MSVCRT_FILE* file)
{
if (MSVCRT__write(file->_file, &wc, sizeof(wc)) != sizeof(wc))
return MSVCRT_WEOF;
return wc;
}
/*********************************************************************
* _fputwchar (MSVCRT.@)
*/
WCHAR __cdecl MSVCRT__fputwchar(WCHAR wc)
{
return MSVCRT_fputwc(wc, MSVCRT_stdout);
}
/*********************************************************************
* fopen (MSVCRT.@)
*/
MSVCRT_FILE* __cdecl MSVCRT_fopen(const char *path, const char *mode)
{
MSVCRT_FILE* file;
int flags = 0, plus = 0, fd;
const char* search = mode;
TRACE("(%s,%s)\n",path,mode);
while (*search)
if (*search++ == '+')
plus = 1;
/* map mode string to open() flags. "man fopen" for possibilities. */
switch(*mode++)
{
case 'R': case 'r':
flags = (plus ? _O_RDWR : _O_RDONLY);
break;
case 'W': case 'w':
flags = _O_CREAT | _O_TRUNC | (plus ? _O_RDWR : _O_WRONLY);
break;
case 'A': case 'a':
flags = _O_CREAT | _O_APPEND | (plus ? _O_RDWR : _O_WRONLY);
break;
default:
return NULL;
}
while (*mode)
switch (*mode++)
{
case 'B': case 'b':
flags |= _O_BINARY;
flags &= ~_O_TEXT;
break;
case 'T': case 't':
flags |= _O_TEXT;
flags &= ~_O_BINARY;
break;
case '+':
break;
default:
FIXME(":unknown flag %c not supported\n",mode[-1]);
}
fd = MSVCRT__open(path, flags);
if (fd < 0)
return NULL;
file = MSVCRT__alloc_fp(fd);
TRACE(":got (%p)\n",file);
if (!file)
MSVCRT__close(fd);
return file;
}
/*********************************************************************
* _wfopen (MSVCRT.@)
*/
MSVCRT_FILE *__cdecl MSVCRT__wfopen(const WCHAR *path, const WCHAR *mode)
{
const unsigned int plen = wcslen(path), mlen = wcslen(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_fopen(patha,modea);
MSVCRT_free(patha);
MSVCRT_free(modea);
return retval;
}
MSVCRT__set_errno(GetLastError());
return NULL;
}
/*********************************************************************
* _fsopen (MSVCRT.@)
*/
MSVCRT_FILE* __cdecl MSVCRT__fsopen(const char *path, const char *mode, int share)
{
FIXME(":(%s,%s,%d),ignoring share mode!\n",path,mode,share);
return MSVCRT_fopen(path,mode);
}
/*********************************************************************
* _wfsopen (MSVCRT.@)
*/
MSVCRT_FILE* __cdecl MSVCRT__wfsopen(const WCHAR *path, const WCHAR *mode, int share)
{
FIXME(":(%s,%s,%d),ignoring share mode!\n",
debugstr_w(path),debugstr_w(mode),share);
return MSVCRT__wfopen(path,mode);
}
/*********************************************************************
* fputc (MSVCRT.@)
*/
int __cdecl MSVCRT_fputc(int c, MSVCRT_FILE* file)
{
return MSVCRT__write(file->_file, &c, 1) == 1? c : MSVCRT_EOF;
}
/*********************************************************************
* _flsbuf (MSVCRT.@)
*/
int __cdecl MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
{
return MSVCRT_fputc(c,file);
}
/*********************************************************************
* _fputchar (MSVCRT.@)
*/
int __cdecl MSVCRT__fputchar(int c)
{
return MSVCRT_fputc(c, MSVCRT_stdout);
}
/*********************************************************************
* fread (MSVCRT.@)
*/
DWORD __cdecl MSVCRT_fread(void *ptr, int size, int nmemb, MSVCRT_FILE* file)
{
DWORD read = MSVCRT__read(file->_file,ptr, size * nmemb);
if (read <= 0)
return 0;
return read / size;
}
/*********************************************************************
* freopen (MSVCRT.@)
*
*/
MSVCRT_FILE* __cdecl MSVCRT_freopen(const char *path, const char *mode,MSVCRT_FILE* file)
{
MSVCRT_FILE* newfile;
int fd;
TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n",path,mode,file,file->_file);
if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
return NULL;
if (fd > 2)
{
FIXME(":reopen on user file not implemented!\n");
MSVCRT__set_errno(ERROR_CALL_NOT_IMPLEMENTED);
return NULL;
}
/* first, create the new file */
if ((newfile = MSVCRT_fopen(path,mode)) == NULL)
return NULL;
if (fd < 3 && SetStdHandle(fd == 0 ? STD_INPUT_HANDLE :
(fd == 1? STD_OUTPUT_HANDLE : STD_ERROR_HANDLE),
MSVCRT_handles[newfile->_file]))
{
/* Redirecting std handle to file , copy over.. */
MSVCRT_handles[fd] = MSVCRT_handles[newfile->_file];
MSVCRT_flags[fd] = MSVCRT_flags[newfile->_file];
memcpy(&MSVCRT__iob[fd], newfile, sizeof (MSVCRT_FILE));
MSVCRT__iob[fd]._file = fd;
/* And free up the resources allocated by fopen, but
* not the HANDLE we copied. */
MSVCRT_free(MSVCRT_files[fd]);
MSVCRT__free_fd(newfile->_file);
return &MSVCRT__iob[fd];
}
WARN(":failed-last error (%ld)\n",GetLastError());
MSVCRT_fclose(newfile);
MSVCRT__set_errno(GetLastError());
return NULL;
}
/*********************************************************************
* fsetpos (MSVCRT.@)
*/
int __cdecl MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
{
return MSVCRT__lseek(file->_file,*pos,SEEK_SET);
}
/*********************************************************************
* fscanf (MSVCRT.@)
*/
int __cdecl MSVCRT_fscanf(MSVCRT_FILE* file, const char *format, ...)
{
/* NOTE: If you extend this function, extend MSVCRT__cscanf in console.c too */
int rd = 0;
int nch;
va_list ap;
if (!*format) return 0;
WARN("%p (\"%s\"): semi-stub\n", file, format);
nch = MSVCRT_fgetc(file);
va_start(ap, format);
while (*format) {
if (*format == ' ') {
/* skip whitespace */
while ((nch!=MSVCRT_EOF) && isspace(nch))
nch = MSVCRT_fgetc(file);
}
else if (*format == '%') {
int st = 0;
format++;
switch(*format) {
case 'd': { /* read an integer */
int*val = va_arg(ap, int*);
int cur = 0;
/* skip initial whitespace */
while ((nch!=MSVCRT_EOF) && isspace(nch))
nch = MSVCRT_fgetc(file);
/* get sign and first digit */
if (nch == '-') {
nch = MSVCRT_fgetc(file);
if (isdigit(nch))
cur = -(nch - '0');
else break;
} else {
if (isdigit(nch))
cur = nch - '0';
else break;
}
nch = MSVCRT_fgetc(file);
/* read until no more digits */
while ((nch!=MSVCRT_EOF) && isdigit(nch)) {
cur = cur*10 + (nch - '0');
nch = MSVCRT_fgetc(file);
}
st = 1;
*val = cur;
}
break;
case 'f': { /* read a float */
float*val = va_arg(ap, float*);
float cur = 0;
/* skip initial whitespace */
while ((nch!=MSVCRT_EOF) && isspace(nch))
nch = MSVCRT_fgetc(file);
/* get sign and first digit */
if (nch == '-') {
nch = MSVCRT_fgetc(file);
if (isdigit(nch))
cur = -(nch - '0');
else break;
} else {
if (isdigit(nch))
cur = nch - '0';
else break;
}
/* read until no more digits */
while ((nch!=MSVCRT_EOF) && isdigit(nch)) {
cur = cur*10 + (nch - '0');
nch = MSVCRT_fgetc(file);
}
if (nch == '.') {
/* handle decimals */
float dec = 1;
nch = MSVCRT_fgetc(file);
while ((nch!=MSVCRT_EOF) && isdigit(nch)) {
dec /= 10;
cur += dec * (nch - '0');
nch = MSVCRT_fgetc(file);
}
}
st = 1;
*val = cur;
}
break;
case 's': { /* read a word */
char*str = va_arg(ap, char*);
char*sptr = str;
/* skip initial whitespace */
while ((nch!=MSVCRT_EOF) && isspace(nch))
nch = MSVCRT_fgetc(file);
/* read until whitespace */
while ((nch!=MSVCRT_EOF) && !isspace(nch)) {
*sptr++ = nch; st++;
nch = MSVCRT_fgetc(file);
}
/* terminate */
*sptr = 0;
TRACE("read word: %s\n", str);
}
break;
default: FIXME("unhandled: %%%c\n", *format);
}
if (st) rd++;
else break;
}
else {
/* check for character match */
if (nch == *format)
nch = MSVCRT_fgetc(file);
else break;
}
format++;
}
va_end(ap);
if (nch!=MSVCRT_EOF) {
WARN("need ungetch\n");
}
TRACE("returning %d\n", rd);
return rd;
}
/*********************************************************************
* fseek (MSVCRT.@)
*/
LONG __cdecl MSVCRT_fseek(MSVCRT_FILE* file, LONG offset, int whence)
{
return MSVCRT__lseek(file->_file,offset,whence);
}
/*********************************************************************
* ftell (MSVCRT.@)
*/
LONG __cdecl MSVCRT_ftell(MSVCRT_FILE* file)
{
return MSVCRT__tell(file->_file);
}
/*********************************************************************
* fwrite (MSVCRT.@)
*/
unsigned int __cdecl MSVCRT_fwrite(const void *ptr, int size, int nmemb, MSVCRT_FILE* file)
{
unsigned int written = MSVCRT__write(file->_file, ptr, size * nmemb);
if (written <= 0)
return 0;
return written / size;
}
/*********************************************************************
* fputs (MSVCRT.@)
*/
int __cdecl MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
{
return MSVCRT_fwrite(s,strlen(s),1,file) == 1 ? 0 : MSVCRT_EOF;
}
/*********************************************************************
* fputws (MSVCRT.@)
*/
int __cdecl MSVCRT_fputws(const WCHAR *s, MSVCRT_FILE* file)
{
return MSVCRT_fwrite(s,wcslen(s),1,file) == 1 ? 0 : MSVCRT_EOF;
}
/*********************************************************************
* 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;
/* BAD, for the whole WINE process blocks... just done this way to test
* windows95's ftp.exe.
* JG 19/9/00: Is this still true, now we are using ReadFile?
*/
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;
}
/*********************************************************************
* putc (MSVCRT.@)
*/
int __cdecl MSVCRT_putc(int c, MSVCRT_FILE* file)
{
return MSVCRT_fputc(c, file);
}
/*********************************************************************
* putchar (MSVCRT.@)
*/
void __cdecl MSVCRT_putchar(int c)
{
MSVCRT_fputc(c, MSVCRT_stdout);
}
/*********************************************************************
* puts (MSVCRT.@)
*/
int __cdecl MSVCRT_puts(const char *s)
{
int retval = MSVCRT_EOF;
if (MSVCRT_fwrite(s,strlen(s),1,MSVCRT_stdout) == 1)
return MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
return retval;
}
/*********************************************************************
* _putws (MSVCRT.@)
*/
int __cdecl MSVCRT__putws(const WCHAR *s)
{
static const WCHAR nl = (WCHAR)L'\n';
if (MSVCRT_fwrite(s,wcslen(s),1,MSVCRT_stdout) == 1)
return MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
return MSVCRT_EOF;
}
/*********************************************************************
* remove (MSVCRT.@)
*/
int __cdecl MSVCRT_remove(const char *path)
{
TRACE("(%s)\n",path);
if (DeleteFileA(path))
return 0;
TRACE(":failed (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wremove (MSVCRT.@)
*/
int __cdecl MSVCRT__wremove(const WCHAR *path)
{
TRACE("(%s)\n",debugstr_w(path));
if (DeleteFileW(path))
return 0;
TRACE(":failed (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
/*********************************************************************
* scanf (MSVCRT.@)
*/
int __cdecl MSVCRT_scanf(const char *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = MSVCRT_fscanf(MSVCRT_stdin, format, valist);
va_end(valist);
return res;
}
/*********************************************************************
* 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_REPLACE_EXISTING))
return 0;
TRACE(":failed (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wrename (MSVCRT.@)
*/
int __cdecl MSVCRT__wrename(const WCHAR *oldpath,const WCHAR *newpath)
{
TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
if (MoveFileExW(oldpath, newpath, MOVEFILE_REPLACE_EXISTING))
return 0;
TRACE(":failed (%ld)\n",GetLastError());
MSVCRT__set_errno(GetLastError());
return -1;
}
/*********************************************************************
* setvbuf (MSVCRT.@)
*/
void MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, unsigned int size)
{
FIXME("(%p,%p,%d,%d)stub\n",file, buf, mode, size);
}
/*********************************************************************
* setbuf (MSVCRT.@)
*/
void __cdecl MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
{
MSVCRT_setvbuf(file, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
}
/*********************************************************************
* tmpnam (MSVCRT.@)
*/
char *__cdecl MSVCRT_tmpnam(char *s)
{
char tmpbuf[MAX_PATH];
char* prefix = "TMP";
if (!GetTempPathA(MAX_PATH,tmpbuf) ||
!GetTempFileNameA(tmpbuf,prefix,0,MSVCRT_tmpname))
{
TRACE(":failed-last error (%ld)\n",GetLastError());
return NULL;
}
TRACE(":got tmpnam %s\n",MSVCRT_tmpname);
s = MSVCRT_tmpname;
return s;
}
/*********************************************************************
* tmpfile (MSVCRT.@)
*/
MSVCRT_FILE* __cdecl MSVCRT_tmpfile(void)
{
char *filename = MSVCRT_tmpnam(NULL);
int fd;
fd = MSVCRT__open(filename, _O_CREAT | _O_BINARY | _O_RDWR | _O_TEMPORARY);
if (fd != -1)
return MSVCRT__alloc_fp(fd);
return NULL;
}
extern int vsnprintf(void *, unsigned int, const void*, va_list);
/*********************************************************************
* 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 = 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, 1, written, file);
if (mem != buf)
MSVCRT_free (mem);
return retval;
}
/*********************************************************************
* vfwprintf (MSVCRT.@)
*/
int __cdecl MSVCRT_vfwprintf(MSVCRT_FILE* file, const WCHAR *format, va_list valist)
{
WCHAR buf[2048], *mem = buf;
int written, resize = sizeof(buf) / sizeof(WCHAR), retval;
/* See vfprintf comments */
while ((written = MSVCRT__vsnwprintf(mem, resize, format, valist)) == -1 ||
written > resize)
{
resize = (written == -1 ? resize * 2 : written + sizeof(WCHAR));
if (mem != buf)
MSVCRT_free (mem);
if (!(mem = (WCHAR *)MSVCRT_malloc(resize)))
return MSVCRT_EOF;
}
retval = MSVCRT_fwrite(mem, 1, written * sizeof (WCHAR), 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 WCHAR *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 WCHAR *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;
}
/*********************************************************************
* wprintf (MSVCRT.@)
*/
int __cdecl MSVCRT_wprintf(const WCHAR *format, ...)
{
va_list valist;
int res;
va_start(valist, format);
res = MSVCRT_vwprintf(format, valist);
va_end(valist);
return res;
}
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