file.c File Reference

#include <precomp.h>
#include "wine/unicode.h"
#include "internal/wine/msvcrt.h"
#include <sys/utime.h>
#include <direct.h>

Include dependency graph for file.c:

Go to the source code of this file.

Classes
struct	file_crit

Macros
#define	_IOCOMMIT   0x4000
#define	WX_OPEN   0x01
#define	WX_ATEOF   0x02
#define	WX_READNL   0x04 /* read started with \n */
#define	WX_READEOF   0x04 /* like ATEOF, but for underlying file rather than buffer */
#define	WX_PIPE   0x08
#define	WX_READCR   0x08 /* underlying file is at \r */
#define	WX_DONTINHERIT   0x10
#define	WX_APPEND   0x20
#define	WX_TTY   0x40
#define	WX_TEXT   0x80
#define	EF_UTF8   0x01
#define	EF_UTF16   0x02
#define	EF_CRIT_INIT   0x04
#define	EF_UNK_UNICODE   0x08
#define	MSVCRT_MAX_FILES   2048
#define	MSVCRT_FD_BLOCK_SIZE   32
#define	MSVCRT_INTERNAL_BUFSIZ   4096
#define	LOCK_FILES()   do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
#define	UNLOCK_FILES()   do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)

Functions
int *	__p__fmode (void)
int *	__p___mb_cur_max (void)
static ioinfo *	get_ioinfo_nolock (int fd)
static void	init_ioinfo_cs (ioinfo *info)
ioinfo *	get_ioinfo (int fd)
static BOOL	alloc_pioinfo_block (int fd)
static ioinfo *	get_ioinfo_alloc_fd (int fd)
static ioinfo *	get_ioinfo_alloc (int *fd)
void	release_ioinfo (ioinfo *info)
static FILE *	msvcrt_get_file (int i)
static void	msvcrt_free_fd (int fd)
static void	msvcrt_set_fd (ioinfo *fdinfo, HANDLE hand, int flag)
int	msvcrt_alloc_fd (HANDLE hand, int flag)
static FILE *	msvcrt_alloc_fp (void)
static int	msvcrt_init_fp (FILE *file, int fd, unsigned stream_flags)
unsigned	create_io_inherit_block (WORD *size, BYTE **block)
void	msvcrt_init_io (void)
static int	msvcrt_flush_buffer (FILE *file)
int CDECL	_isatty (int fd)
BOOL	msvcrt_alloc_buffer (FILE *file)
static BOOL	add_std_buffer (FILE *file)
static void	remove_std_buffer (FILE *file)
static int	msvcrt_int_to_base32 (int num, char *str)
static int	msvcrt_int_to_base32_w (int num, wchar_t *str)
wchar_t *	msvcrt_wstrdupa (const char *str)
FILE *CDECL	__iob_func (void)
int CDECL	_access (const char *filename, int mode)
int CDECL	_access_s (const char *filename, int mode)
int CDECL	_waccess (const wchar_t *filename, int mode)
int CDECL	_waccess_s (const wchar_t *filename, int mode)
int CDECL	_chmod (const char *path, int flags)
int CDECL	_wchmod (const wchar_t *path, int flags)
int CDECL	_unlink (const char *path)
int CDECL	_wunlink (const wchar_t *path)
int CDECL	_commit (int fd)
int CDECL	fflush (FILE *file)
static int	msvcrt_flush_all_buffers (int mask)
int CDECL	_flushall (void)
int CDECL	_close (int fd)
int CDECL	_dup2 (int od, int nd)
int CDECL	_dup (int od)
int CDECL	_eof (int fd)
int CDECL	_fcloseall (void)
void	msvcrt_free_io (void)
__int64 CDECL	_lseeki64 (int fd, __int64 offset, int whence)
LONG CDECL	_lseek (int fd, LONG offset, int whence)
void CDECL	_lock_file (FILE *file)
void CDECL	_unlock_file (FILE *file)
int CDECL	_locking (int fd, int mode, LONG nbytes)
int CDECL	_fseeki64 (FILE *file, __int64 offset, int whence)
int CDECL	fseek (FILE *file, long offset, int whence)
int CDECL	_chsize_s (int fd, __int64 size)
int CDECL	_chsize (int fd, long size)
void CDECL	clearerr (FILE *file)
void CDECL	rewind (FILE *file)
static int	msvcrt_get_flags (const wchar_t *mode, int *open_flags, int *stream_flags)
FILE *CDECL	_fdopen (int fd, const char *mode)
FILE *CDECL	_wfdopen (int fd, const wchar_t *mode)
LONG CDECL	_filelength (int fd)
__int64 CDECL	_filelengthi64 (int fd)
int CDECL	_fileno (FILE *file)
intptr_t CDECL	_get_osfhandle (int fd)
char *CDECL	_mktemp (char *pattern)
wchar_t *CDECL	_wmktemp (wchar_t *pattern)
unsigned	split_oflags (unsigned oflags)
int CDECL	_pipe (int *pfds, unsigned int psize, int textmode)
static int	check_bom (HANDLE h, int oflags, BOOL seek)
int CDECL	_wsopen_s (int *fd, const wchar_t *path, int oflags, int shflags, int pmode)
int CDECL	_wsopen (const wchar_t *path, int oflags, int shflags,...)
int CDECL	_sopen_s (int *fd, const char *path, int oflags, int shflags, int pmode)
int CDECL	_sopen (const char *path, int oflags, int shflags,...)
int CDECL	_open (const char *path, int flags,...)
int CDECL	_wopen (const wchar_t *path, int flags,...)
int CDECL	_creat (const char *path, int flags)
int CDECL	_wcreat (const wchar_t *path, int flags)
int CDECL	_open_osfhandle (intptr_t handle, int oflags)
int CDECL	_rmtmp (void)
static int	get_utf8_char_len (char ch)
static int	read_utf8 (ioinfo *fdinfo, wchar_t *buf, unsigned int count)
static int	read_i (int fd, ioinfo *fdinfo, void *buf, unsigned int count)
int CDECL	_read (int fd, void *buf, unsigned int count)
int CDECL	_setmode (int fd, int mode)
long CDECL	_tell (int fd)
__int64 CDECL	_telli64 (int fd)
char *CDECL	_tempnam (const char *dir, const char *prefix)
wchar_t *CDECL	_wtempnam (const wchar_t *dir, const wchar_t *prefix)
int CDECL	_umask (int umask)
int CDECL	_write (int fd, const void *buf, unsigned int count)
int CDECL	_putw (int val, FILE *file)
int CDECL	fclose (FILE *file)
int CDECL	feof (FILE *file)
int CDECL	ferror (FILE *file)
int CDECL	_filbuf (FILE *file)
int CDECL	fgetc (FILE *file)
int CDECL	_fgetchar (void)
char *CDECL	fgets (char *s, int size, FILE *file)
wint_t CDECL	fgetwc (FILE *file)
int CDECL	_getw (FILE *file)
wint_t CDECL	getwc (FILE *file)
wint_t CDECL	_fgetwchar (void)
wint_t CDECL	getwchar (void)
wchar_t *CDECL	fgetws (wchar_t *s, int size, FILE *file)
size_t CDECL	fwrite (const void *ptr, size_t size, size_t nmemb, FILE *file)
wint_t CDECL	fputwc (wchar_t c, FILE *stream)
wint_t CDECL	_fputwchar (wint_t wc)
FILE *CDECL	_wfsopen (const wchar_t *path, const wchar_t *mode, int share)
FILE *CDECL	_fsopen (const char *path, const char *mode, int share)
FILE *CDECL	fopen (const char *path, const char *mode)
int CDECL	fopen_s (FILE **pFile, const char *filename, const char *mode)
FILE *CDECL	_wfopen (const wchar_t *path, const wchar_t *mode)
int CDECL	_wfopen_s (FILE **pFile, const wchar_t *filename, const wchar_t *mode)
int CDECL	_flsbuf (int c, FILE *file)
int CDECL	fputc (int c, FILE *file)
int CDECL	_fputchar (int c)
size_t CDECL	fread (void *ptr, size_t size, size_t nmemb, FILE *file)
FILE *CDECL	_wfreopen (const wchar_t *path, const wchar_t *mode, FILE *file)
FILE *CDECL	freopen (const char *path, const char *mode, FILE *file)
int CDECL	fsetpos (FILE *file, const fpos_t *pos)
__int64 CDECL	_ftelli64 (FILE *file)
LONG CDECL	ftell (FILE *file)
int CDECL	fgetpos (FILE *file, fpos_t *pos)
int CDECL	fputs (const char *s, FILE *file)
int CDECL	fputws (const wchar_t *s, FILE *file)
int CDECL	getchar (void)
int CDECL	getc (FILE *file)
char *CDECL	gets (char *buf)
wchar_t *CDECL	_getws (wchar_t *buf)
int CDECL	putc (int c, FILE *file)
int CDECL	putchar (int c)
wint_t CDECL	_putwch (wchar_t c)
int CDECL	puts (const char *s)
int CDECL	_putws (const wchar_t *s)
int CDECL	remove (const char *path)
int CDECL	_wremove (const wchar_t *path)
int CDECL	rename (const char *oldpath, const char *newpath)
int CDECL	_wrename (const wchar_t *oldpath, const wchar_t *newpath)
int CDECL	setvbuf (FILE *file, char *buf, int mode, size_t size)
void CDECL	setbuf (FILE *file, char *buf)
char *CDECL	tmpnam (char *s)
wchar_t *CDECL	_wtmpnam (wchar_t *s)
FILE *CDECL	tmpfile (void)
int CDECL	ungetc (int c, FILE *file)
wint_t CDECL	ungetwc (wint_t wc, FILE *file)
int CDECL	_getmaxstdio (void)
int CDECL	_setmaxstdio (int newmax)

Variables
int	_commode
static char	utf8_bom [3] = { 0xef, 0xbb, 0xbf }
static char	utf16_bom [2] = { 0xff, 0xfe }
ioinfo *	__pioinfo [MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 }
ioinfo	__badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT }
FILE	_iob [_IOB_ENTRIES] = { { 0 } }
static file_crit *	MSVCRT_fstream [MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { NULL }
static int	MSVCRT_max_streams = 512
static int	MSVCRT_stream_idx
static int	MSVCRT_umask = 0
static int	tmpnam_unique
static CRITICAL_SECTION	MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 }
static CRITICAL_SECTION_DEBUG	MSVCRT_file_cs_debug

Macro Definition Documentation

_IOCOMMIT

#define _IOCOMMIT   0x4000

Definition at line 59 of file file.c.

EF_CRIT_INIT

#define EF_CRIT_INIT   0x04

Definition at line 105 of file file.c.

EF_UNK_UNICODE

#define EF_UNK_UNICODE   0x08

Definition at line 106 of file file.c.

EF_UTF16

#define EF_UTF16   0x02

Definition at line 104 of file file.c.

EF_UTF8

#define EF_UTF8   0x01

Definition at line 103 of file file.c.

LOCK_FILES

#define LOCK_FILES

(

)

do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)

Definition at line 155 of file file.c.

MSVCRT_FD_BLOCK_SIZE

#define MSVCRT_FD_BLOCK_SIZE   32

Definition at line 113 of file file.c.

MSVCRT_INTERNAL_BUFSIZ

#define MSVCRT_INTERNAL_BUFSIZ   4096

Definition at line 115 of file file.c.

MSVCRT_MAX_FILES

#define MSVCRT_MAX_FILES   2048

Definition at line 112 of file file.c.

UNLOCK_FILES

#define UNLOCK_FILES

(

)

do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)

Definition at line 156 of file file.c.

WX_APPEND

#define WX_APPEND   0x20

Definition at line 98 of file file.c.

WX_ATEOF

#define WX_ATEOF   0x02

Definition at line 92 of file file.c.

WX_DONTINHERIT

#define WX_DONTINHERIT   0x10

Definition at line 97 of file file.c.

WX_OPEN

#define WX_OPEN   0x01

Definition at line 91 of file file.c.

WX_PIPE

#define WX_PIPE   0x08

Definition at line 95 of file file.c.

WX_READCR

#define WX_READCR   0x08 /* underlying file is at \r */

Definition at line 96 of file file.c.

WX_READEOF

#define WX_READEOF   0x04 /* like ATEOF, but for underlying file rather than buffer */

Definition at line 94 of file file.c.

WX_READNL

#define WX_READNL   0x04 /* read started with \n */

Definition at line 93 of file file.c.

WX_TEXT

#define WX_TEXT   0x80

Definition at line 100 of file file.c.

WX_TTY

#define WX_TTY   0x40

Definition at line 99 of file file.c.

Function Documentation

__iob_func()

FILE *CDECL __iob_func

(

void

)

Definition at line 682 of file file.c.

{
 return &_iob[0];
}

Referenced by Test__iob().

__p___mb_cur_max()

int * __p___mb_cur_max

(

void

)

Definition at line 430 of file environ.c.

{
    return &get_locinfo()->mb_cur_max;
}

__p__fmode()

int * __p__fmode

(

void

)

Definition at line 9 of file fmode.c.

{
   return &_fmode;
}

Referenced by split_oflags().

_access()

int CDECL _access	(	const char *	filename,
		int	mode
	)

Definition at line 690 of file file.c.

{
  DWORD attr = GetFileAttributesA(filename);
 
  TRACE("(%s,%d) %d\n",filename,mode,attr);
 
  if (!filename || attr == INVALID_FILE_ATTRIBUTES)
  {
    _dosmaperr(GetLastError());
    return -1;
  }
  if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
  {
    _set_errno(ERROR_ACCESS_DENIED);
    return -1;
  }
  return 0;
}

Referenced by _access_s().

_access_s()

int CDECL _access_s	(	const char *	filename,
		int	mode
	)

Definition at line 712 of file file.c.

{
  if (!MSVCRT_CHECK_PMT(filename != NULL) ||
      !MSVCRT_CHECK_PMT((mode & ~(R_OK | W_OK)) == 0))
  {
     _set_errno(EINVAL);
     return -1;
  }
 
  return _access(filename, mode);
}

_chmod()

int CDECL _chmod	(	const char *	path,
		int	flags
	)

Definition at line 764 of file file.c.

{
  DWORD oldFlags = GetFileAttributesA(path);
 
  if (oldFlags != INVALID_FILE_ATTRIBUTES)
  {
    DWORD newFlags = (flags & _S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
      oldFlags | FILE_ATTRIBUTE_READONLY;
 
    if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
      return 0;
  }
  _dosmaperr(GetLastError());
  return -1;
}

_chsize()

int CDECL _chsize	(	int	fd,
		long	size
	)

Definition at line 1354 of file file.c.

{
    /* _chsize_s returns errno on failure but _chsize should return -1 */
    return _chsize_s( fd, size ) == 0 ? 0 : -1;
}

_chsize_s()

int CDECL _chsize_s	(	int	fd,
		__int64	size
	)

Definition at line 1318 of file file.c.

{
    ioinfo *info;
    __int64 cur, pos;
    BOOL ret = FALSE;
 
    TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size));
 
    if (!MSVCRT_CHECK_PMT(size >= 0)) return EINVAL;
 
    info = get_ioinfo(fd);
    if (info->handle != INVALID_HANDLE_VALUE)
    {
        /* save the current file pointer */
        cur = _lseeki64(fd, 0, SEEK_CUR);
        if (cur >= 0)
        {
            pos = _lseeki64(fd, size, SEEK_SET);
            if (pos >= 0)
            {
                ret = SetEndOfFile(info->handle);
                if (!ret) _dosmaperr(GetLastError());
            }
 
            /* restore the file pointer */
            _lseeki64(fd, cur, SEEK_SET);
        }
    }
 
    release_ioinfo(info);
    return ret ? 0 : *_errno();
}

Referenced by _chsize().

_close()

int CDECL _close

(

int

fd

)

Definition at line 931 of file file.c.

{
  ioinfo *info = get_ioinfo(fd);
  int ret;
 
  TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
  if (!(info->wxflag & WX_OPEN)) {
    ret = -1;
  } else if (fd == STDOUT_FILENO &&
          info->handle == get_ioinfo_nolock(STDERR_FILENO)->handle) {
    msvcrt_free_fd(fd);
    ret = 0;
  } else if (fd == STDERR_FILENO &&
          info->handle == get_ioinfo_nolock(STDOUT_FILENO)->handle) {
    msvcrt_free_fd(fd);
    ret = 0;
  } else {
    ret = CloseHandle(info->handle) ? 0 : -1;
    msvcrt_free_fd(fd);
    if (ret) {
      WARN(":failed-last error (%d)\n",GetLastError());
      _dosmaperr(GetLastError());
      ret = -1;
    }
  }
  release_ioinfo(info);
  return ret;
}

_commit()

int CDECL _commit

(

int

fd

)

Definition at line 828 of file file.c.

{
    ioinfo *info = get_ioinfo(fd);
    int ret;
 
    TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
 
    if (info->handle == INVALID_HANDLE_VALUE)
        ret = -1;
    else if (!FlushFileBuffers(info->handle))
    {
        if (GetLastError() == ERROR_INVALID_HANDLE)
        {
            /* FlushFileBuffers fails for console handles
             * so we ignore this error.
             */
            ret = 0;
        }
        else
        {
            TRACE(":failed-last error (%d)\n",GetLastError());
            _dosmaperr(GetLastError());
            ret = -1;
        }
    }
    else
    {
        TRACE(":ok\n");
        ret = 0;
    }
 
    release_ioinfo(info);
    return ret;
}

_creat()

int CDECL _creat	(	const char *	path,
		int	flags
	)

Definition at line 2039 of file file.c.

{
  int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
  return _open(path, usedFlags);
}

_dup()

int CDECL _dup

(

int

od

)

Definition at line 1025 of file file.c.

{
  int fd, ret;
  ioinfo *info = get_ioinfo_alloc(&fd);
 
  if (_dup2(od, fd) == 0)
    ret = fd;
  else
    ret = -1;
  release_ioinfo(info);
  return ret;
}

_dup2()

int CDECL _dup2	(	int	od,
		int	nd
	)

Definition at line 967 of file file.c.

{
  ioinfo *info_od, *info_nd;
  int ret;
 
  TRACE("(od=%d, nd=%d)\n", od, nd);
 
  if (od < nd)
  {
    info_od = get_ioinfo(od);
    info_nd = get_ioinfo_alloc_fd(nd);
  }
  else
  {
    info_nd = get_ioinfo_alloc_fd(nd);
    info_od = get_ioinfo(od);
  }
 
  if (info_nd == &__badioinfo)
  {
      ret = -1;
  }
  else if (info_od->wxflag & WX_OPEN)
  {
    HANDLE handle;
 
    if (DuplicateHandle(GetCurrentProcess(), info_od->handle,
     GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
    {
      int wxflag = info_od->wxflag & ~WX_DONTINHERIT;
 
      if (info_nd->wxflag & WX_OPEN)
        _close(nd);
 
      msvcrt_set_fd(info_nd, handle, wxflag);
      /* _dup2 returns 0, not nd, on success */
      ret = 0;
    }
    else
    {
      ret = -1;
      _dosmaperr(GetLastError());
    }
  }
  else
  {
    *_errno() = EBADF;
    ret = -1;
  }
 
  release_ioinfo(info_od);
  release_ioinfo(info_nd);
  return ret;
}

_eof()

int CDECL _eof

(

int

fd

)

Definition at line 1041 of file file.c.

{
  ioinfo *info = get_ioinfo(fd);
  DWORD curpos,endpos;
  LONG hcurpos,hendpos;
 
  TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
 
  if (info->handle == INVALID_HANDLE_VALUE)
  {
    release_ioinfo(info);
    return -1;
  }
 
  if (info->wxflag & WX_ATEOF)
  {
      release_ioinfo(info);
      return TRUE;
  }
 
  /* Otherwise we do it the hard way */
  hcurpos = hendpos = 0;
  curpos = SetFilePointer(info->handle, 0, &hcurpos, FILE_CURRENT);
  endpos = SetFilePointer(info->handle, 0, &hendpos, FILE_END);
 
  if (curpos == endpos && hcurpos == hendpos)
  {
    /* FIXME: shouldn't WX_ATEOF be set here? */
    release_ioinfo(info);
    return TRUE;
  }
 
  SetFilePointer(info->handle, curpos, &hcurpos, FILE_BEGIN);
  release_ioinfo(info);
  return FALSE;
}

_fcloseall()

int CDECL _fcloseall

(

void

)

Definition at line 1081 of file file.c.

{
  int num_closed = 0, i;
  FILE *file;
 
  LOCK_FILES();
  for (i = 3; i < MSVCRT_stream_idx; i++) {
    file = msvcrt_get_file(i);
 
    if (file->_flag && !fclose(file))
      num_closed++;
  }
  UNLOCK_FILES();
 
  TRACE(":closed (%d) handles\n",num_closed);
  return num_closed;
}

_fdopen()

FILE *CDECL _fdopen	(	int	fd,
		const char *	mode
	)

Definition at line 1504 of file file.c.

{
    FILE *ret;
    wchar_t *modeW = NULL;
 
    if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
 
    ret = _wfdopen(fd, modeW);
 
    free(modeW);
    return ret;
}

_fgetchar()

int CDECL _fgetchar

(

void

)

Definition at line 2908 of file file.c.

{
  return fgetc(stdin);
}

_fgetwchar()

wint_t CDECL _fgetwchar

(

void

)

Definition at line 3029 of file file.c.

{
  return fgetwc(stdin);
}

Referenced by getwchar().

_filbuf()

int CDECL _filbuf

(

FILE *

file

)

Definition at line 2835 of file file.c.

{
    unsigned char c;
    _lock_file(file);
 
    if(file->_flag & _IOSTRG) {
        _unlock_file(file);
        return EOF;
    }
 
    /* Allocate buffer if needed */
    if(!(file->_flag & (_IONBF | _IOMYBUF | _USERBUF)))
        msvcrt_alloc_buffer(file);
 
    if(!(file->_flag & _IOREAD)) {
        if(file->_flag & _IORW)
            file->_flag |= _IOREAD;
        else {
            _unlock_file(file);
            return EOF;
        }
    }
 
    if(!(file->_flag & (_IOMYBUF | _USERBUF))) {
        int r;
        if ((r = _read(file->_file,&c,1)) != 1) {
            file->_flag |= (r == 0) ? _IOEOF : _IOERR;
            _unlock_file(file);
            return EOF;
        }
 
        _unlock_file(file);
        return c;
    } else {
        file->_cnt = _read(file->_file, file->_base, file->_bufsiz);
        if(file->_cnt<=0) {
            file->_flag |= (file->_cnt == 0) ? _IOEOF : _IOERR;
            file->_cnt = 0;
            _unlock_file(file);
            return EOF;
        }
 
        file->_cnt--;
        file->_ptr = file->_base+1;
        c = *(unsigned char *)file->_base;
        _unlock_file(file);
        return c;
    }
}

_filelength()

LONG CDECL _filelength

(

int

fd

)

Definition at line 1544 of file file.c.

{
  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()

__int64 CDECL _filelengthi64

(

int

fd

)

Definition at line 1563 of file file.c.

{
  __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()

int CDECL _fileno

(

FILE *

file

)

Definition at line 1582 of file file.c.

{
  TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
  return file->_file;
}

_flsbuf()

int CDECL _flsbuf	(	int	c,
		FILE *	file
	)

Definition at line 14 of file _flsbuf.c.

{
    int count, written;
 
    /* Check if the stream supports flushing */
    if ((stream->_flag & _IOSTRG) || !(stream->_flag & (_IORW|_IOWRT)))
    {
        stream->_flag |= _IOERR;
        return EOF;
    }
 
    /* Always reset _cnt */
    stream->_cnt = 0;
 
    /* Check if this was a read buffer */
    if (stream->_flag & _IOREAD)
    {
        /* Must be at the end of the file */
        if (!(stream->_flag & _IOEOF))
        {
            stream->_flag |= _IOERR;
            return EOF;
        }
 
        /* Reset buffer */
        stream->_ptr = stream->_base;
    }
 
    /* Fixup flags */
    stream->_flag &= ~(_IOREAD|_IOEOF);
    stream->_flag |= _IOWRT;
 
    /* Check if should get a buffer */
    if (!(stream->_flag & _IONBF) && stream != stdout && stream != stderr)
    {
        /* If we have no buffer, try to allocate one */
        if (!stream->_base) msvcrt_alloc_buffer(stream);
    }
 
    /* Check if we can use a buffer now */
    if (stream->_base && !(stream->_flag & _IONBF))
    {
        /* We can, check if there is something to write */
        count = (int)(stream->_ptr - stream->_base);
        if (count > 0)
            written = _write(stream->_file, stream->_base, count);
        else
            written = 0;
 
        /* Reset buffer and put the char into it */
        stream->_ptr = stream->_base + sizeof(TCHAR);
        stream->_cnt = stream->_bufsiz - sizeof(TCHAR);
        *(TCHAR*)stream->_base = ch;
    }
    else
    {
        /* There is no buffer, write the char directly */
        count = sizeof(TCHAR);
        written = _write(stream->_file, &ch, sizeof(TCHAR));
    }
 
    /* Check for failure */
    if (written != count)
    {
        stream->_flag |= _IOERR;
        return EOF;
    }
 
    return ch & (sizeof(TCHAR) > sizeof(char) ? 0xffff : 0xff);
}

_flushall()

int CDECL _flushall

(

void

)

Definition at line 893 of file file.c.

{
    return msvcrt_flush_all_buffers(_IOWRT | _IOREAD);
}

_fputchar()

int CDECL _fputchar

(

int

c

)

Definition at line 3332 of file file.c.

{
  return fputc(c, stdout);
}

_fputwchar()

wint_t CDECL _fputwchar

(

wint_t

wc

)

Definition at line 3179 of file file.c.

{
  return fputwc(wc, stdout);
}

_fseeki64()

int CDECL _fseeki64	(	FILE *	file,
		__int64	offset,
		int	whence
	)

Definition at line 1278 of file file.c.

{
  int ret;
 
  _lock_file(file);
  /* Flush output if needed */
  if(file->_flag & _IOWRT)
    msvcrt_flush_buffer(file);
 
  if(whence == SEEK_CUR && file->_flag & _IOREAD ) {
      whence = SEEK_SET;
      offset += _ftelli64(file);
  }
 
  /* Discard buffered input */
  file->_cnt = 0;
  file->_ptr = file->_base;
  /* Reset direction of i/o */
  if(file->_flag & _IORW) {
        file->_flag &= ~(_IOREAD|_IOWRT);
  }
  /* Clear end of file flag */
  file->_flag &= ~_IOEOF;
  ret = (_lseeki64(file->_file,offset,whence) == -1)?-1:0;
 
  _unlock_file(file);
  return ret;
}

Referenced by fseek().

_fsopen()

FILE *CDECL _fsopen	(	const char *	path,
		const char *	mode,
		int	share
	)

Definition at line 3221 of file file.c.

{
    FILE *ret;
    wchar_t *pathW = NULL, *modeW = NULL;
 
    if (path && !(pathW = msvcrt_wstrdupa(path))) {
        _invalid_parameter(NULL, NULL, NULL, 0, 0);
        *_errno() = EINVAL;
        return NULL;
    }
    if (mode && !(modeW = msvcrt_wstrdupa(mode)))
    {
        free(pathW);
        _invalid_parameter(NULL, NULL, NULL, 0, 0);
        *_errno() = EINVAL;
        return NULL;
    }
 
    ret = _wfsopen(pathW, modeW, share);
 
    free(pathW);
    free(modeW);
    return ret;
}

_ftelli64()

__int64 CDECL _ftelli64

(

FILE *

file

)

Definition at line 3506 of file file.c.

{
    __int64 pos;
 
    _lock_file(file);
    pos = _telli64(file->_file);
    if(pos == -1) {
        _unlock_file(file);
        return -1;
    }
    if(file->_flag & (_IOMYBUF | _USERBUF))  {
        if(file->_flag & _IOWRT) {
            pos += file->_ptr - file->_base;
 
            if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
                char *p;
 
                for(p=file->_base; p<file->_ptr; p++)
                    if(*p == '\n')
                        pos++;
            }
        } else if(!file->_cnt) { /* nothing to do */
        } else if(_lseeki64(file->_file, 0, SEEK_END)==pos) {
            int i;
 
            pos -= file->_cnt;
            if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
                for(i=0; i<file->_cnt; i++)
                    if(file->_ptr[i] == '\n')
                        pos--;
            }
        } else {
            char *p;
 
            if(_lseeki64(file->_file, pos, SEEK_SET) != pos) {
                _unlock_file(file);
                return -1;
            }
 
            pos -= file->_bufsiz;
            pos += file->_ptr - file->_base;
 
            if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
                if(get_ioinfo_nolock(file->_file)->wxflag & WX_READNL)
                    pos--;
 
                for(p=file->_base; p<file->_ptr; p++)
                    if(*p == '\n')
                        pos++;
            }
        }
    }
 
    _unlock_file(file);
    return pos;
}

Referenced by _fseeki64(), fgetpos(), and ftell().

_get_osfhandle()

intptr_t CDECL _get_osfhandle

(

int

fd

)

Definition at line 1591 of file file.c.

{
  HANDLE hand = get_ioinfo_nolock(fd)->handle;
  TRACE(":fd (%d) handle (%p)\n",fd,hand);
 
  if(hand == INVALID_HANDLE_VALUE)
      *_errno() = EBADF;
  return (intptr_t)hand;
}

_getmaxstdio()

int CDECL _getmaxstdio

(

void

)

Definition at line 4028 of file file.c.

{
    return MSVCRT_max_streams;
}

_getw()

int CDECL _getw

(

FILE *

file

)

Definition at line 2996 of file file.c.

{
  char *ch;
  int i, k;
  unsigned int j;
  ch = (char *)&i;
 
  _lock_file(file);
  for (j=0; j<sizeof(int); j++) {
    k = fgetc(file);
    if (k == EOF) {
      file->_flag |= _IOEOF;
      _unlock_file(file);
      return EOF;
    }
    ch[j] = k;
  }
 
  _unlock_file(file);
  return i;
}

_getws()

wchar_t *CDECL _getws

(

wchar_t *

buf

)

Definition at line 3665 of file file.c.

{
    wint_t cc;
    wchar_t* ws = buf;
 
    _lock_file(stdin);
    for (cc = fgetwc(stdin); cc != WEOF && cc != '\n';
         cc = fgetwc(stdin))
    {
        if (cc != '\r')
            *buf++ = (wchar_t)cc;
    }
    *buf = '\0';
 
    TRACE("got %s\n", debugstr_w(ws));
    _unlock_file(stdin);
    return ws;
}

_isatty()

int CDECL _isatty

(

int

fd

)

Definition at line 564 of file file.c.

{
    TRACE(":fd (%d)\n",fd);
 
    return get_ioinfo_nolock(fd)->wxflag & WX_TTY;
}

Referenced by add_std_buffer(), and msvcrt_alloc_buffer().

_lock_file()

void CDECL _lock_file

(

FILE *

file

)

Definition at line 1193 of file file.c.

{
    if(file>=_iob && file<_iob+_IOB_ENTRIES)
        _lock(_STREAM_LOCKS+(file-_iob));
    /* ReactOS: string streams dont need to be locked */
    else if(!(file->_flag & _IOSTRG))
        EnterCriticalSection(&((file_crit*)file)->crit);
}

Referenced by _filbuf(), _fseeki64(), _ftelli64(), _getw(), _getws(), _putw(), _putws(), clearerr(), fclose(), fflush(), fgetc(), fgets(), fgetwc(), fgetws(), fputc(), fputs(), fputws(), fread(), fsetpos(), fwrite(), gets(), puts(), rewind(), setvbuf(), ungetc(), and ungetwc().

_locking()

int CDECL _locking	(	int	fd,
		int	mode,
		LONG	nbytes
	)

Definition at line 1220 of file file.c.

{
  ioinfo *info = get_ioinfo(fd);
  BOOL ret;
  DWORD cur_locn;
 
  TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
  if (info->handle == INVALID_HANDLE_VALUE)
  {
    release_ioinfo(info);
    return -1;
  }
 
  if (mode < 0 || mode > 4)
  {
    release_ioinfo(info);
    *_errno() = EINVAL;
    return -1;
  }
 
  TRACE(":fd (%d) by 0x%08x mode %s\n",
        fd,nbytes,(mode==_LK_UNLCK)?"_LK_UNLCK":
        (mode==_LK_LOCK)?"_LK_LOCK":
        (mode==_LK_NBLCK)?"_LK_NBLCK":
        (mode==_LK_RLCK)?"_LK_RLCK":
        (mode==_LK_NBRLCK)?"_LK_NBRLCK":
                          "UNKNOWN");
 
  if ((cur_locn = SetFilePointer(info->handle, 0L, NULL, FILE_CURRENT)) == INVALID_SET_FILE_POINTER)
  {
    release_ioinfo(info);
    FIXME ("Seek failed\n");
    *_errno() = EINVAL; /* FIXME */
    return -1;
  }
  if (mode == _LK_LOCK || mode == _LK_RLCK)
  {
    int nretry = 10;
    ret = 1; /* just to satisfy gcc */
    while (nretry--)
    {
      ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
      if (ret) break;
      Sleep(1);
    }
  }
  else if (mode == _LK_UNLCK)
    ret = UnlockFile(info->handle, cur_locn, 0L, nbytes, 0L);
  else
    ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
  /* FIXME - what about error settings? */
  release_ioinfo(info);
  return ret ? 0 : -1;
}

_lseek()

LONG CDECL _lseek	(	int	fd,
		LONG	offset,
		int	whence
	)

Definition at line 1185 of file file.c.

{
    return (LONG)_lseeki64(fd, offset, whence);
}

_lseeki64()

__int64 CDECL _lseeki64	(	int	fd,
		__int64	offset,
		int	whence
	)

Definition at line 1138 of file file.c.

{
  ioinfo *info = get_ioinfo(fd);
  LARGE_INTEGER ofs;
 
  TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
 
  if (info->handle == INVALID_HANDLE_VALUE)
  {
    release_ioinfo(info);
    return -1;
  }
 
  if (whence < 0 || whence > 2)
  {
    release_ioinfo(info);
    *_errno() = 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");
 
  /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
   * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
  ofs.QuadPart = offset;
  if ((ofs.u.LowPart = SetFilePointer(info->handle, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
      GetLastError() == ERROR_SUCCESS)
  {
    info->wxflag &= ~(WX_ATEOF|WX_READEOF);
    /* FIXME: What if we seek _to_ EOF - is EOF set? */
 
    release_ioinfo(info);
    return ofs.QuadPart;
  }
  release_ioinfo(info);
  TRACE(":error-last error (%d)\n",GetLastError());
  _dosmaperr(GetLastError());
  return -1;
}

Referenced by _chsize_s(), _filelengthi64(), _fseeki64(), _ftelli64(), _lseek(), _telli64(), fsetpos(), and write_buffer_nolock().

_mktemp()

char *CDECL _mktemp

(

char *

pattern

)

Definition at line 1604 of file file.c.

{
  int numX = 0;
  char *retVal = pattern;
  int id;
  char letter = 'a';
 
  if(!pattern)
      return NULL;
 
  while(*pattern)
    numX = (*pattern++ == 'X')? numX + 1 : 0;
  if (numX < 6)
    return NULL;
  pattern--;
  id = GetCurrentProcessId();
  numX = 6;
  while(numX--)
  {
    int tempNum = id / 10;
    *pattern-- = id - (tempNum * 10) + '0';
    id = tempNum;
  }
  pattern++;
  do
  {
    *pattern = letter++;
    if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
      return retVal;
  } while(letter <= 'z');
  return NULL;
}

_open()

int CDECL _open	(	const char *	path,
		int	flags,
			...
	)

Definition at line 2001 of file file.c.

{
  va_list ap;
 
  if (flags & _O_CREAT)
  {
    int pmode;
    va_start(ap, flags);
    pmode = va_arg(ap, int);
    va_end(ap);
    return _sopen( path, flags, _SH_DENYNO, pmode );
  }
  else
    return _sopen( path, flags, _SH_DENYNO);
}

_open_osfhandle()

int CDECL _open_osfhandle	(	intptr_t	handle,
		int	oflags
	)

Definition at line 2057 of file file.c.

{
  DWORD flags;
  int fd;
 
  /* _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 _O_TEXT if it wants
   * text - it never sets _O_BINARY.
   */
  /* don't let split_oflags() decide the mode if no mode is passed */
  if (!(oflags & (_O_BINARY | _O_TEXT)))
      oflags |= _O_BINARY;
 
  flags = GetFileType((HANDLE)handle);
  if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
  {
    _dosmaperr(GetLastError());
    return -1;
  }
 
  if (flags == FILE_TYPE_CHAR)
    flags = WX_TTY;
  else if (flags == FILE_TYPE_PIPE)
    flags = WX_PIPE;
  else
    flags = 0;
  flags |= split_oflags(oflags);
 
  fd = msvcrt_alloc_fd((HANDLE)handle, flags);
  TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
  return fd;
}

_pipe()

int CDECL _pipe	(	int *	pfds,
		unsigned int	psize,
		int	textmode
	)

Definition at line 1702 of file file.c.

{
  int ret = -1;
  SECURITY_ATTRIBUTES sa;
  HANDLE readHandle, writeHandle;
 
  if (!pfds)
  {
    *_errno() = EINVAL;
    return -1;
  }
 
  sa.nLength = sizeof(SECURITY_ATTRIBUTES);
  sa.bInheritHandle = !(textmode & _O_NOINHERIT);
  sa.lpSecurityDescriptor = NULL;
  if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
  {
    unsigned int wxflags = split_oflags(textmode);
    int fd;
 
    fd = msvcrt_alloc_fd(readHandle, wxflags);
    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);
        *_errno() = EMFILE;
      }
    }
    else
    {
      CloseHandle(readHandle);
      CloseHandle(writeHandle);
      *_errno() = EMFILE;
    }
  }
  else
    _dosmaperr(GetLastError());
 
  return ret;
}

_putw()

int CDECL _putw	(	int	val,
		FILE *	file
	)

Definition at line 2764 of file file.c.

{
  int len;
 
  _lock_file(file);
  len = _write(file->_file, &val, sizeof(val));
  if (len == sizeof(val)) {
    _unlock_file(file);
    return val;
  }
 
  file->_flag |= _IOERR;
  _unlock_file(file);
  return EOF;
}

_putwch()

wint_t CDECL _putwch

(

wchar_t

c

)

Definition at line 3703 of file file.c.

{
  return fputwc(c, stdout);
}

_putws()

int CDECL _putws

(

const wchar_t *

s

)

Definition at line 3730 of file file.c.

{
    static const wchar_t nl = '\n';
    size_t len = strlenW(s);
    int ret;
 
    _lock_file(stdout);
    if(fwrite(s, sizeof(*s), len, stdout) != len) {
        _unlock_file(stdout);
        return EOF;
    }
 
    ret = fwrite(&nl,sizeof(nl),1,stdout) == 1 ? 0 : EOF;
    _unlock_file(stdout);
    return ret;
}

_read()

int CDECL _read	(	int	fd,
		void *	buf,
		unsigned int	count
	)

Definition at line 2466 of file file.c.

{
    ioinfo *info = get_ioinfo(fd);
    int num_read = read_i(fd, info, buf, count);
    release_ioinfo(info);
    return num_read;
}

_rmtmp()

int CDECL _rmtmp

(

void

)

Definition at line 2094 of file file.c.

{
  int num_removed = 0, i;
  FILE *file;
 
  LOCK_FILES();
  for (i = 3; i < MSVCRT_stream_idx; i++) {
    file = msvcrt_get_file(i);
 
    if (file->_tmpfname)
    {
      fclose(file);
      num_removed++;
    }
  }
  UNLOCK_FILES();
 
  if (num_removed)
    TRACE(":removed (%d) temp files\n",num_removed);
  return num_removed;
}

_setmaxstdio()

int CDECL _setmaxstdio

(

int

newmax

)

Definition at line 4036 of file file.c.

{
    TRACE("%d\n", newmax);
 
    if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
        return -1;
 
    MSVCRT_max_streams = newmax;
    return MSVCRT_max_streams;
}

_setmode()

int CDECL _setmode	(	int	fd,
		int	mode
	)

Definition at line 2477 of file file.c.

{
    ioinfo *info = get_ioinfo(fd);
    int ret = info->wxflag & WX_TEXT ? _O_TEXT : _O_BINARY;
    if(ret==_O_TEXT && (info->exflag & (EF_UTF8|EF_UTF16)))
        ret = _O_WTEXT;
 
    if(mode!=_O_TEXT && mode!=_O_BINARY && mode!=_O_WTEXT
                && mode!=_O_U16TEXT && mode!=_O_U8TEXT) {
        *_errno() = EINVAL;
        release_ioinfo(info);
        return -1;
    }
 
    if(info == &__badioinfo) {
        *_errno() = EBADF;
        return EOF;
    }
 
    if(mode == _O_BINARY) {
        info->wxflag &= ~WX_TEXT;
        info->exflag &= ~(EF_UTF8|EF_UTF16);
        release_ioinfo(info);
        return ret;
    }
 
    info->wxflag |= WX_TEXT;
    if(mode == _O_TEXT)
        info->exflag &= ~(EF_UTF8|EF_UTF16);
    else if(mode == _O_U8TEXT)
        info->exflag = (info->exflag & ~EF_UTF16) | EF_UTF8;
    else
        info->exflag = (info->exflag & ~EF_UTF8) | EF_UTF16;
 
    release_ioinfo(info);
    return ret;
 
}

_sopen()

int CDECL _sopen	(	const char *	path,
		int	oflags,
		int	shflags,
			...
	)

Definition at line 1978 of file file.c.

{
  int pmode;
  int fd;
 
  if (oflags & _O_CREAT)
  {
    va_list ap;
 
    va_start(ap, shflags);
    pmode = va_arg(ap, int);
    va_end(ap);
  }
  else
    pmode = 0;
 
  _sopen_s(&fd, path, oflags, shflags, pmode);
  return fd;
}

_sopen_s()

int CDECL _sopen_s	(	int *	fd,
		const char *	path,
		int	oflags,
		int	shflags,
		int	pmode
	)

Definition at line 1962 of file file.c.

{
    wchar_t *pathW;
    int ret;
 
    if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
        return EINVAL;
 
    ret = _wsopen_s(fd, pathW, oflags, shflags, pmode);
    free(pathW);
    return ret;
}

Referenced by _sopen().

_tell()

long CDECL _tell

(

int

fd

)

Definition at line 2519 of file file.c.

{
  return _lseek(fd, 0, SEEK_CUR);
}

_telli64()

__int64 CDECL _telli64

(

int

fd

)

Definition at line 2527 of file file.c.

{
  return _lseeki64(fd, 0, SEEK_CUR);
}

Referenced by _ftelli64(), and test_std_stream_buffering().

_tempnam()

char *CDECL _tempnam	(	const char *	dir,
		const char *	prefix
	)

Definition at line 2535 of file file.c.

{
  char tmpbuf[MAX_PATH];
  const char *tmp_dir = 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;
}

_umask()

int CDECL _umask

(

int

umask

)

Definition at line 2574 of file file.c.

{
  int old_umask = MSVCRT_umask;
  TRACE("(%d)\n",umask);
  MSVCRT_umask = umask;
  return old_umask;
}

_unlink()

int CDECL _unlink

(

const char *

path

)

Definition at line 802 of file file.c.

{
  TRACE("%s\n",debugstr_a(path));
  if(DeleteFileA(path))
    return 0;
  TRACE("failed (%d)\n",GetLastError());
  _dosmaperr(GetLastError());
  return -1;
}

_unlock_file()

void CDECL _unlock_file

(

FILE *

file

)

Definition at line 1205 of file file.c.

{
    if(file>=_iob && file<_iob+_IOB_ENTRIES)
        _unlock(_STREAM_LOCKS+(file-_iob));
    /* ReactOS: string streams dont need to be locked */
    else if(!(file->_flag & _IOSTRG))
        LeaveCriticalSection(&((file_crit*)file)->crit);
 
}

Referenced by _filbuf(), _fseeki64(), _ftelli64(), _getw(), _getws(), _putw(), _putws(), clearerr(), fclose(), fflush(), fgetc(), fgets(), fgetwc(), fgetws(), fputc(), fputs(), fputws(), fread(), fsetpos(), fwrite(), gets(), puts(), rewind(), setvbuf(), ungetc(), and ungetwc().

_waccess()

int CDECL _waccess	(	const wchar_t *	filename,
		int	mode
	)

Definition at line 727 of file file.c.

{
  DWORD attr = GetFileAttributesW(filename);
 
  TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
 
  if (!filename || attr == INVALID_FILE_ATTRIBUTES)
  {
    _dosmaperr(GetLastError());
    return -1;
  }
  if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
  {
    _set_errno(ERROR_ACCESS_DENIED);
    return -1;
  }
  return 0;
}

Referenced by _waccess_s().

_waccess_s()

int CDECL _waccess_s	(	const wchar_t *	filename,
		int	mode
	)

Definition at line 749 of file file.c.

{
  if (!MSVCRT_CHECK_PMT(filename != NULL) ||
      !MSVCRT_CHECK_PMT((mode & ~(R_OK | W_OK)) == 0))
  {
     *_errno() = EINVAL;
     return -1;
  }
 
  return _waccess(filename, mode);
}

_wchmod()

int CDECL _wchmod	(	const wchar_t *	path,
		int	flags
	)

Definition at line 783 of file file.c.

{
  DWORD oldFlags = GetFileAttributesW(path);
 
  if (oldFlags != INVALID_FILE_ATTRIBUTES)
  {
    DWORD newFlags = (flags & _S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
      oldFlags | FILE_ATTRIBUTE_READONLY;
 
    if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
      return 0;
  }
  _dosmaperr(GetLastError());
  return -1;
}

_wcreat()

int CDECL _wcreat	(	const wchar_t *	path,
		int	flags
	)

Definition at line 2048 of file file.c.

{
  int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
  return _wopen(path, usedFlags);
}

_wfdopen()

FILE *CDECL _wfdopen	(	int	fd,
		const wchar_t *	mode
	)

Definition at line 1520 of file file.c.

{
  int open_flags, stream_flags;
  FILE* file;
 
  if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
 
  LOCK_FILES();
  if (!(file = msvcrt_alloc_fp()))
    file = NULL;
  else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
  {
    file->_flag = 0;
    file = NULL;
  }
  else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
  UNLOCK_FILES();
 
  return file;
}

Referenced by _fdopen().

_wfopen()

FILE *CDECL _wfopen	(	const wchar_t *	path,
		const wchar_t *	mode
	)

Definition at line 3274 of file file.c.

{
    return _wfsopen( path, mode, _SH_DENYNO );
}

Referenced by _wfopen_s().

_wfopen_s()

int CDECL _wfopen_s	(	FILE **	pFile,
		const wchar_t *	filename,
		const wchar_t *	mode
	)

Definition at line 3282 of file file.c.

{
    if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
        !MSVCRT_CHECK_PMT(mode != NULL)) {
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    *pFile = _wfopen(filename, mode);
 
    if(!*pFile)
        return *_errno();
    return 0;
}

_wfreopen()

FILE *CDECL _wfreopen	(	const wchar_t *	path,
		const wchar_t *	mode,
		FILE *	file
	)

Definition at line 3421 of file file.c.

{
  int open_flags, stream_flags, fd;
 
  TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
 
  LOCK_FILES();
  if (!file || ((fd = file->_file) < 0))
    file = NULL;
  else
  {
    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 = _wopen(path, open_flags, _S_IREAD | _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());
          _dosmaperr(GetLastError());
          file = NULL;
      }
    }
  }
  UNLOCK_FILES();
  return file;
}

Referenced by freopen().

_wfsopen()

FILE *CDECL _wfsopen	(	const wchar_t *	path,
		const wchar_t *	mode,
		int	share
	)

Definition at line 3187 of file file.c.

{
  FILE* file;
  int open_flags, stream_flags, fd;
 
  TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
 
  /* map mode string to open() flags. "man fopen" for possibilities. */
  if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
      return NULL;
 
  LOCK_FILES();
  fd = _wsopen(path, open_flags, share, _S_IREAD | _S_IWRITE);
  if (fd < 0)
    file = NULL;
  else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
   != -1)
    TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
  else if (file)
  {
    file->_flag = 0;
    file = NULL;
  }
 
  TRACE(":got (%p)\n",file);
  if (fd >= 0 && !file)
    _close(fd);
  UNLOCK_FILES();
  return file;
}

_wmktemp()

wchar_t *CDECL _wmktemp

(

wchar_t *

pattern

)

Definition at line 1640 of file file.c.

{
  int numX = 0;
  wchar_t *retVal = pattern;
  int id;
  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;
}

_wopen()

int CDECL _wopen	(	const wchar_t *	path,
		int	flags,
			...
	)

Definition at line 2020 of file file.c.

{
  va_list ap;
 
  if (flags & _O_CREAT)
  {
    int pmode;
    va_start(ap, flags);
    pmode = va_arg(ap, int);
    va_end(ap);
    return _wsopen( path, flags, _SH_DENYNO, pmode );
  }
  else
    return _wsopen( path, flags, _SH_DENYNO);
}

Referenced by _wcreat(), and _wfreopen().

_wremove()

int CDECL _wremove

(

const wchar_t *

path

)

Definition at line 3763 of file file.c.

{
  TRACE("(%s)\n",debugstr_w(path));
  if (DeleteFileW(path))
    return 0;
  TRACE(":failed (%d)\n",GetLastError());
  _dosmaperr(GetLastError());
  return -1;
}

_wrename()

int CDECL _wrename	(	const wchar_t *	oldpath,
		const wchar_t *	newpath
	)

Definition at line 3789 of file file.c.

{
  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());
  _dosmaperr(GetLastError());
  return -1;
}

_write()

int CDECL _write	(	int	fd,
		const void *	buf,
		unsigned int	count
	)

Definition at line 2585 of file file.c.

{
    DWORD num_written;
    ioinfo *info = get_ioinfo(fd);
    HANDLE hand = info->handle;
 
    /* Don't trace small writes, it gets *very* annoying */
#if 0
    if (count > 32)
        TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
#endif
    if (hand == INVALID_HANDLE_VALUE)
    {
        *_errno() = EBADF;
        release_ioinfo(info);
        return -1;
    }
 
    if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
    {
        *_errno() = EINVAL;
        release_ioinfo(info);
        return -1;
    }
 
    /* If appending, go to EOF */
    if (info->wxflag & WX_APPEND)
        _lseek(fd, 0, FILE_END);
 
    if (!(info->wxflag & WX_TEXT))
    {
        if (WriteFile(hand, buf, count, &num_written, NULL)
                &&  (num_written == count))
        {
            release_ioinfo(info);
            return num_written;
        }
        TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
                hand, GetLastError());
        *_errno() = ENOSPC;
    }
    else
    {
        unsigned int i, j, nr_lf, size;
        char *p = NULL;
        const char *q;
        const char *s = buf, *buf_start = buf;
 
        if (!(info->exflag & (EF_UTF8|EF_UTF16)))
        {
            /* find number of \n */
            for (nr_lf=0, i=0; i<count; i++)
                if (s[i] == '\n')
                    nr_lf++;
            if (nr_lf)
            {
                size = count+nr_lf;
                if ((q = p = malloc(size)))
                {
                    for (s = buf, i = 0, j = 0; i < count; i++)
                    {
                        if (s[i] == '\n')
                            p[j++] = '\r';
                        p[j++] = s[i];
                    }
                }
                else
                {
                    FIXME("Malloc failed\n");
                    nr_lf = 0;
                    size = count;
                    q = buf;
                }
            }
            else
            {
                size = count;
                q = buf;
            }
        }
        else if (info->exflag & EF_UTF16)
        {
            for (nr_lf=0, i=0; i<count; i+=2)
                if (s[i]=='\n' && s[i+1]==0)
                    nr_lf += 2;
            if (nr_lf)
            {
                size = count+nr_lf;
                if ((q = p = malloc(size)))
                {
                    for (s=buf, i=0, j=0; i<count; i++)
                    {
                        if (s[i]=='\n' && s[i+1]==0)
                        {
                            p[j++] = '\r';
                            p[j++] = 0;
                        }
                        p[j++] = s[i++];
                        p[j++] = s[i];
                    }
                }
                else
                {
                    FIXME("Malloc failed\n");
                    nr_lf = 0;
                    size = count;
                    q = buf;
                }
            }
            else
            {
                size = count;
                q = buf;
            }
        }
        else
        {
            DWORD conv_len;
 
            for(nr_lf=0, i=0; i<count; i+=2)
                if (s[i]=='\n' && s[i+1]==0)
                    nr_lf++;
 
            conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
            if(!conv_len) {
                _dosmaperr(GetLastError());
                free(p);
                release_ioinfo(info);
                return -1;
            }
 
            size = conv_len+nr_lf;
            if((p = malloc(count+nr_lf*2+size)))
            {
                for (s=buf, i=0, j=0; i<count; i++)
                {
                    if (s[i]=='\n' && s[i+1]==0)
                    {
                        p[j++] = '\r';
                        p[j++] = 0;
                    }
                    p[j++] = s[i++];
                    p[j++] = s[i];
                }
                q = p+count+nr_lf*2;
                WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
                        p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
            }
            else
            {
                FIXME("Malloc failed\n");
                nr_lf = 0;
                size = count;
                q = buf;
            }
        }
 
        if (!WriteFile(hand, q, size, &num_written, NULL))
            num_written = -1;
        release_ioinfo(info);
        if(p)
            free(p);
        if (num_written != size)
        {
            TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
                    fd, hand, GetLastError(), num_written);
            *_errno() = ENOSPC;
            return s - buf_start;
        }
        return count;
    }
 
    release_ioinfo(info);
    return -1;
}

_wsopen()

int CDECL _wsopen	(	const wchar_t *	path,
		int	oflags,
		int	shflags,
			...
	)

Definition at line 1939 of file file.c.

{
  int pmode;
  int fd;
 
  if (oflags & _O_CREAT)
  {
    __ms_va_list ap;
 
    __ms_va_start(ap, shflags);
    pmode = va_arg(ap, int);
    __ms_va_end(ap);
  }
  else
    pmode = 0;
 
  _wsopen_s(&fd, path, oflags, shflags, pmode);
  return fd;
}

Referenced by _wfsopen(), and _wopen().

_wsopen_s()

int CDECL _wsopen_s	(	int *	fd,
		const wchar_t *	path,
		int	oflags,
		int	shflags,
		int	pmode
	)

Definition at line 1778 of file file.c.

{
  DWORD access = 0, creation = 0, attrib;
  SECURITY_ATTRIBUTES sa;
  DWORD sharing, type;
  int wxflag;
  HANDLE hand;
 
  TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
        fd, debugstr_w(path), oflags, shflags, pmode);
 
  if (!MSVCRT_CHECK_PMT( fd != NULL )) return EINVAL;
 
  *fd = -1;
  wxflag = split_oflags(oflags);
  switch (oflags & (_O_RDONLY | _O_WRONLY | _O_RDWR))
  {
  case _O_RDONLY: access |= GENERIC_READ; break;
  case _O_WRONLY: access |= GENERIC_WRITE; break;
  case _O_RDWR:   access |= GENERIC_WRITE | GENERIC_READ; break;
  }
 
  if (oflags & _O_CREAT)
  {
    if(pmode & ~(_S_IREAD | _S_IWRITE))
      FIXME(": pmode 0x%04x ignored\n", pmode);
    else
      WARN(": pmode 0x%04x ignored\n", pmode);
 
    if (oflags & _O_EXCL)
      creation = CREATE_NEW;
    else if (oflags & _O_TRUNC)
      creation = CREATE_ALWAYS;
    else
      creation = OPEN_ALWAYS;
  }
  else  /* no _O_CREAT */
  {
    if (oflags & _O_TRUNC)
      creation = TRUNCATE_EXISTING;
    else
      creation = OPEN_EXISTING;
  }
 
  switch( shflags )
  {
    case _SH_DENYRW:
      sharing = 0L;
      break;
    case _SH_DENYWR:
      sharing = FILE_SHARE_READ;
      break;
    case _SH_DENYRD:
      sharing = FILE_SHARE_WRITE;
      break;
    case _SH_DENYNO:
      sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
      break;
    default:
      ERR( "Unhandled shflags 0x%x\n", shflags );
      return EINVAL;
  }
  attrib = FILE_ATTRIBUTE_NORMAL;
 
  if (oflags & _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 & _O_NOINHERIT);
 
  if ((oflags&(_O_WTEXT|_O_U16TEXT|_O_U8TEXT))
          && (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
          && !(access&GENERIC_READ))
  {
      hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
              &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
      if (hand != INVALID_HANDLE_VALUE)
      {
          oflags = check_bom(hand, oflags, FALSE);
          CloseHandle(hand);
      }
      else
          oflags &= ~(_O_WTEXT|_O_U16TEXT|_O_U8TEXT);
  }
 
  hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
  if (hand == INVALID_HANDLE_VALUE)  {
    WARN(":failed-last error (%d)\n",GetLastError());
    _dosmaperr(GetLastError());
    return *_errno();
  }
 
  if (oflags & (_O_WTEXT | _O_U16TEXT | _O_U8TEXT))
  {
      if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
                  || creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
                  || (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
      {
          if (oflags & _O_U8TEXT)
          {
              DWORD written = 0, tmp;
 
              while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
                          sizeof(utf8_bom)-written, &tmp, NULL))
                  written += tmp;
              if (written != sizeof(utf8_bom)) {
                  WARN("error writing BOM\n");
                  CloseHandle(hand);
                  _dosmaperr(GetLastError());
                  return *_errno();
              }
          }
          else
          {
              DWORD written = 0, tmp;
 
              while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
                          sizeof(utf16_bom)-written, &tmp, NULL))
                  written += tmp;
              if (written != sizeof(utf16_bom))
              {
                  WARN("error writing BOM\n");
                  CloseHandle(hand);
                  _dosmaperr(GetLastError());
                  return *_errno();
              }
          }
      }
      else if (access & GENERIC_READ)
          oflags = check_bom(hand, oflags, TRUE);
  }
 
  type = GetFileType(hand);
  if (type == FILE_TYPE_CHAR)
      wxflag |= WX_TTY;
  else if (type == FILE_TYPE_PIPE)
      wxflag |= WX_PIPE;
 
  *fd = msvcrt_alloc_fd(hand, wxflag);
  if (*fd == -1)
      return *_errno();
 
  if (oflags & _O_WTEXT)
      get_ioinfo_nolock(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
  else if (oflags & _O_U16TEXT)
      get_ioinfo_nolock(*fd)->exflag |= EF_UTF16;
  else if (oflags & _O_U8TEXT)
      get_ioinfo_nolock(*fd)->exflag |= EF_UTF8;
 
  TRACE(":fd (%d) handle (%p)\n", *fd, hand);
  return 0;
}

Referenced by _sopen_s(), and _wsopen().

_wtempnam()

wchar_t *CDECL _wtempnam	(	const wchar_t *	dir,
		const wchar_t *	prefix
	)

Definition at line 2556 of file file.c.

{
  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;
}

_wtmpnam()

wchar_t *CDECL _wtmpnam

(

wchar_t *

s

)

Definition at line 3882 of file file.c.

{
    static const wchar_t format[] = {'\\','s','%','s','.',0};
    wchar_t tmpstr[16];
    wchar_t *p;
    int count, size;
    if (!s) {
        thread_data_t *data = msvcrt_get_thread_data();
 
        if(!data->wtmpnam_buffer)
            data->wtmpnam_buffer = malloc(sizeof(wchar_t[MAX_PATH]));
 
        s = data->wtmpnam_buffer;
    }
 
    msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
    p = s + _snwprintf(s, MAX_PATH, format, tmpstr);
    for (count = 0; count < TMP_MAX; count++)
    {
        size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
        memcpy(p, tmpstr, size*sizeof(wchar_t));
        p[size] = '\0';
        if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
                GetLastError() == ERROR_FILE_NOT_FOUND)
            break;
    }
    return s;
}

_wunlink()

int CDECL _wunlink

(

const wchar_t *

path

)

Definition at line 815 of file file.c.

{
  TRACE("(%s)\n",debugstr_w(path));
  if(DeleteFileW(path))
    return 0;
  TRACE("failed (%d)\n",GetLastError());
  _dosmaperr(GetLastError());
  return -1;
}

add_std_buffer()

static BOOL add_std_buffer ( FILE *  file )

static

Definition at line 593 of file file.c.

{
    static char buffers[2][BUFSIZ];
 
    if((file->_file!=STDOUT_FILENO && file->_file!=STDERR_FILENO)
            || (file->_flag & (_IONBF | _IOMYBUF | _USERBUF))
            || !_isatty(file->_file))
        return FALSE;
 
    file->_ptr = file->_base = buffers[file->_file == STDOUT_FILENO ? 0 : 1];
    file->_bufsiz = file->_cnt = BUFSIZ;
    file->_flag |= _USERBUF;
    return TRUE;
}

Referenced by fputws().

alloc_pioinfo_block()

static BOOL alloc_pioinfo_block ( int  fd )

inlinestatic

Definition at line 191 of file file.c.

{
    ioinfo *block;
    int i;
 
    if(fd<0 || fd>=MSVCRT_MAX_FILES)
    {
        *_errno() = ENFILE;
        return FALSE;
    }
 
    block = calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
    if(!block)
    {
        WARN(":out of memory!\n");
        *_errno() = ENOMEM;
        return FALSE;
    }
    for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
        block[i].handle = INVALID_HANDLE_VALUE;
    if(InterlockedCompareExchangePointer((void**)&__pioinfo[fd/MSVCRT_FD_BLOCK_SIZE], block, NULL))
        free(block);
    return TRUE;
}

Referenced by get_ioinfo_alloc(), and get_ioinfo_alloc_fd().

check_bom()

static int check_bom ( HANDLE  h, int  oflags, BOOL  seek  )

static

Definition at line 1752 of file file.c.

{
    char bom[sizeof(utf8_bom)];
    DWORD r;
 
    oflags &= ~(_O_WTEXT|_O_U16TEXT|_O_U8TEXT);
 
    if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
        return oflags;
 
    if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
        oflags |= _O_U8TEXT;
    }else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
        if (seek && r>2)
            SetFilePointer(h, 2, NULL, FILE_BEGIN);
        oflags |= _O_U16TEXT;
    }else if (seek) {
        SetFilePointer(h, 0, NULL, FILE_BEGIN);
    }
 
    return oflags;
}

Referenced by _wsopen_s().

clearerr()

void CDECL clearerr

(

FILE *

file

)

Definition at line 1363 of file file.c.

{
  TRACE(":file (%p) fd (%d)\n",file,file->_file);
 
  _lock_file(file);
  file->_flag &= ~(_IOERR | _IOEOF);
  _unlock_file(file);
}

create_io_inherit_block()

unsigned create_io_inherit_block	(	WORD *	size,
		BYTE **	block
	)

Definition at line 411 of file file.c.

{
  int         fd, last_fd;
  char*       wxflag_ptr;
  HANDLE*     handle_ptr;
  ioinfo*     fdinfo;
 
  for (last_fd=MSVCRT_MAX_FILES-1; last_fd>=0; last_fd--)
    if (get_ioinfo_nolock(last_fd)->handle != INVALID_HANDLE_VALUE)
      break;
  last_fd++;
 
  *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * last_fd;
  *block = calloc(1, *size);
  if (!*block)
  {
    *size = 0;
    return FALSE;
  }
  wxflag_ptr = (char*)*block + sizeof(unsigned);
  handle_ptr = (HANDLE*)(wxflag_ptr + last_fd);
 
  *(unsigned*)*block = last_fd;
  for (fd = 0; fd < last_fd; fd++)
  {
    /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
    fdinfo = get_ioinfo_nolock(fd);
    if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
    {
      *wxflag_ptr = fdinfo->wxflag;
      *handle_ptr = fdinfo->handle;
    }
    else
    {
      *wxflag_ptr = 0;
      *handle_ptr = INVALID_HANDLE_VALUE;
    }
    wxflag_ptr++; handle_ptr++;
  }
  return TRUE;
}

fclose()

int CDECL fclose

(

FILE *

file

)

Definition at line 2783 of file file.c.

{
  int r, flag;
 
  if (!MSVCRT_CHECK_PMT(file != NULL)) return EOF;
 
  _lock_file(file);
  flag = file->_flag;
  free(file->_tmpfname);
  file->_tmpfname = NULL;
  /* flush stdio buffers */
  if(file->_flag & _IOWRT)
      fflush(file);
  if(file->_flag & _IOMYBUF)
      free(file->_base);
 
  r=_close(file->_file);
 
  file->_flag = 0;
  _unlock_file(file);
  if(file<_iob || file>=_iob+_IOB_ENTRIES)
      DeleteCriticalSection(&((file_crit*)file)->crit);
 
  if(file == msvcrt_get_file(MSVCRT_stream_idx-1)) {
    while(MSVCRT_stream_idx>3 && !file->_flag) {
      MSVCRT_stream_idx--;
      file = msvcrt_get_file(MSVCRT_stream_idx-1);
    }
  }
 
  return ((r == -1) || (flag & _IOERR) ? EOF : 0);
}

feof()

int CDECL feof

(

FILE *

file

)

Definition at line 2819 of file file.c.

{
    return file->_flag & _IOEOF;
}

ferror()

int CDECL ferror

(

FILE *

file

)

Definition at line 2827 of file file.c.

{
    return file->_flag & _IOERR;
}

fflush()

int CDECL fflush

(

FILE *

file

)

Definition at line 901 of file file.c.

{
    if(!file) {
        msvcrt_flush_all_buffers(_IOWRT);
    } else if(file->_flag & _IOWRT) {
        int res;
 
        _lock_file(file);
        res = msvcrt_flush_buffer(file);
        /* FIXME
        if(!res && (file->_flag & _IOCOMMIT))
            res = _commit(file->_file) ? EOF : 0;
        */
        _unlock_file(file);
 
        return res;
    } else if(file->_flag & _IOREAD) {
        _lock_file(file);
        file->_cnt = 0;
        file->_ptr = file->_base;
        _unlock_file(file);
 
        return 0;
    }
    return 0;
}

fgetc()

int CDECL fgetc

(

FILE *

file

)

Definition at line 2888 of file file.c.

{
  unsigned char *i;
  unsigned int j;
 
  _lock_file(file);
  if (file->_cnt>0) {
    file->_cnt--;
    i = (unsigned char *)file->_ptr++;
    j = *i;
  } else
    j = _filbuf(file);
 
  _unlock_file(file);
  return j;
}

fgetpos()

int CDECL fgetpos	(	FILE *	file,
		fpos_t *	pos
	)

Definition at line 3574 of file file.c.

{
    *pos = _ftelli64(file);
    if(*pos == -1)
        return -1;
    return 0;
}

fgets()

char *CDECL fgets	(	char *	s,
		int	size,
		FILE *	file
	)

Definition at line 2916 of file file.c.

{
  int    cc = EOF;
  char * buf_start = s;
 
  TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
    file,file->_file,s,size);
 
  _lock_file(file);
 
  while ((size >1) && (cc = fgetc(file)) != EOF && cc != '\n')
    {
      *s++ = (char)cc;
      size --;
    }
  if ((cc == EOF) && (s == buf_start)) /* If nothing read, return 0*/
  {
    TRACE(":nothing read\n");
    _unlock_file(file);
    return NULL;
  }
  if ((cc != EOF) && (size > 1))
    *s++ = cc;
  *s = '\0';
  TRACE(":got %s\n", debugstr_a(buf_start));
  _unlock_file(file);
  return buf_start;
}

fgetwc()

wint_t CDECL fgetwc

(

FILE *

file

)

Definition at line 2948 of file file.c.

{
    wint_t ret;
    int ch;
 
    _lock_file(file);
 
    if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
            || !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
        char *p;
 
        for(p=(char*)&ret; (wint_t*)p<&ret+1; p++) {
            ch = fgetc(file);
            if(ch == EOF) {
                ret = WEOF;
                break;
            }
            *p = (char)ch;
        }
    }else {
        char mbs[MB_LEN_MAX];
        int len = 0;
 
        ch = fgetc(file);
        if(ch != EOF) {
            mbs[0] = (char)ch;
            if(isleadbyte((unsigned char)mbs[0])) {
                ch = fgetc(file);
                if(ch != EOF) {
                    mbs[1] = (char)ch;
                    len = 2;
                }
            }else {
                len = 1;
            }
        }
 
        if(!len || mbtowc(&ret, mbs, len)==-1)
            ret = WEOF;
    }
 
    _unlock_file(file);
    return ret;
}

fgetws()

wchar_t *CDECL fgetws	(	wchar_t *	s,
		int	size,
		FILE *	file
	)

Definition at line 3045 of file file.c.

{
  int    cc = WEOF;
  wchar_t * buf_start = s;
 
  TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
        file,file->_file,s,size);
 
  _lock_file(file);
 
  while ((size >1) && (cc = fgetwc(file)) != WEOF && cc != '\n')
    {
      *s++ = (char)cc;
      size --;
    }
  if ((cc == WEOF) && (s == buf_start)) /* If nothing read, return 0*/
  {
    TRACE(":nothing read\n");
    _unlock_file(file);
    return NULL;
  }
  if ((cc != WEOF) && (size > 1))
    *s++ = cc;
  *s = 0;
  TRACE(":got %s\n", debugstr_w(buf_start));
  _unlock_file(file);
  return buf_start;
}

fopen()

FILE *CDECL fopen	(	const char *	path,
		const char *	mode
	)

Definition at line 3249 of file file.c.

{
    return _fsopen( path, mode, _SH_DENYNO );
}

fopen_s()

int CDECL fopen_s	(	FILE **	pFile,
		const char *	filename,
		const char *	mode
	)

Definition at line 3257 of file file.c.

{
    if (!MSVCRT_CHECK_PMT(pFile != NULL)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(filename != NULL)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mode != NULL)) return EINVAL;
 
    *pFile = fopen(filename, mode);
 
    if(!*pFile)
        return *_errno();
    return 0;
}

Referenced by tinyxml2::callfopen(), CreateSpecFile(), and FileReporter::FileReporter().

fputc()

int CDECL fputc	(	int	c,
		FILE *	file
	)

Definition at line 3304 of file file.c.

{
  int res;
 
  _lock_file(file);
  if(file->_cnt>0) {
    *file->_ptr++=c;
    file->_cnt--;
    if (c == '\n')
    {
      res = msvcrt_flush_buffer(file);
      _unlock_file(file);
      return res ? res : c;
    }
    else {
      _unlock_file(file);
      return c & 0xff;
    }
  } else {
    res = _flsbuf(c, file);
    _unlock_file(file);
    return res;
  }
}

fputs()

int CDECL fputs	(	const char *	s,
		FILE *	file
	)

Definition at line 3585 of file file.c.

{
    size_t len = strlen(s);
    int ret;
 
    _lock_file(file);
    ret = fwrite(s, sizeof(*s), len, file) == len ? 0 : EOF;
    _unlock_file(file);
    return ret;
}

fputwc()

wint_t CDECL fputwc	(	wchar_t	c,
		FILE *	stream
	)

Definition at line 3147 of file file.c.

{
    /* If this is a real file stream (and not some temporary one for
       sprintf-like functions), check whether it is opened in text mode.
       In this case, we have to perform an implicit conversion to ANSI. */
    if (!(stream->_flag & _IOSTRG) && get_ioinfo_nolock(stream->_file)->wxflag & WX_TEXT)
    {
        /* Convert to multibyte in text mode */
        char mbc[MB_LEN_MAX];
        int mb_return;
 
        mb_return = wctomb(mbc, c);
 
        if(mb_return == -1)
            return WEOF;
 
        /* Output all characters */
        if (fwrite(mbc, mb_return, 1, stream) != 1)
            return WEOF;
    }
    else
    {
        if (fwrite(&c, sizeof(c), 1, stream) != 1)
            return WEOF;
    }
 
    return c;
}

fputws()

int CDECL fputws	(	const wchar_t *	s,
		FILE *	file
	)

Definition at line 3599 of file file.c.

{
    size_t i, len = strlenW(s);
    BOOL tmp_buf;
    int ret;
 
    _lock_file(file);
    if (!(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
        ret = fwrite(s,sizeof(*s),len,file) == len ? 0 : EOF;
        _unlock_file(file);
        return ret;
    }
 
    tmp_buf = add_std_buffer(file);
    for (i=0; i<len; i++) {
        if(fputwc(s[i], file) == WEOF) {
            if(tmp_buf) remove_std_buffer(file);
            _unlock_file(file);
            return WEOF;
        }
    }
 
    if(tmp_buf) remove_std_buffer(file);
    _unlock_file(file);
    return 0;
}

fread()

size_t CDECL fread	(	void *	ptr,
		size_t	size,
		size_t	nmemb,
		FILE *	file
	)

Definition at line 3340 of file file.c.

{
  size_t rcnt=size * nmemb;
  size_t read=0;
  size_t pread=0;
 
  if(!rcnt)
    return 0;
 
  _lock_file(file);
 
  /* first buffered data */
  if(file->_cnt>0) {
    int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
    memcpy(ptr, file->_ptr, pcnt);
    file->_cnt -= pcnt;
    file->_ptr += pcnt;
    read += pcnt ;
    rcnt -= pcnt ;
        ptr = (char*)ptr + pcnt;
  } else if(!(file->_flag & _IOREAD )) {
    if(file->_flag & _IORW) {
        file->_flag |= _IOREAD;
    } else {
        _unlock_file(file);
        return 0;
    }
  }
 
  if(rcnt>0 && !(file->_flag & (_IONBF | _IOMYBUF | _USERBUF)))
      msvcrt_alloc_buffer(file);
 
  while(rcnt>0)
  {
    int i;
    if (!file->_cnt && rcnt<BUFSIZ && (file->_flag & (_IOMYBUF | _USERBUF))) {
      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) {
        get_ioinfo_nolock(file->_file)->wxflag &= ~WX_ATEOF;
        file->_flag &= ~_IOEOF;
      }
      if (i > 0) {
        memcpy(ptr, file->_ptr, i);
        file->_cnt -= i;
        file->_ptr += i;
      }
    } else if (rcnt > INT_MAX) {
      i = _read(file->_file, ptr, INT_MAX);
    } else if (rcnt < BUFSIZ) {
      i = _read(file->_file, ptr, rcnt);
    } else {
      i = _read(file->_file, ptr, rcnt - BUFSIZ/2);
    }
    pread += i;
    rcnt -= i;
    ptr = (char *)ptr+i;
    /* expose feof condition in the flags
     * MFC tests file->_flag for feof, and doesn't call feof())
     */
    if (get_ioinfo_nolock(file->_file)->wxflag & WX_ATEOF)
        file->_flag |= _IOEOF;
    else if (i == -1)
    {
        file->_flag |= _IOERR;
        pread = 0;
        rcnt = 0;
    }
    if (i < 1) break;
  }
  read+=pread;
  _unlock_file(file);
  return read / size;
}

freopen()

FILE *CDECL freopen	(	const char *	path,
		const char *	mode,
		FILE *	file
	)

Definition at line 3458 of file file.c.

{
    FILE *ret;
    wchar_t *pathW = NULL, *modeW = NULL;
 
    if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
    if (mode && !(modeW = msvcrt_wstrdupa(mode)))
    {
        free(pathW);
        return NULL;
    }
 
    ret = _wfreopen(pathW, modeW, file);
 
    free(pathW);
    free(modeW);
    return ret;
}

fseek()

int CDECL fseek	(	FILE *	file,
		long	offset,
		int	whence
	)

Definition at line 1310 of file file.c.

{
    return _fseeki64( file, offset, whence );
}

fsetpos()

int CDECL fsetpos	(	FILE *	file,
		const fpos_t *	pos
	)

Definition at line 3480 of file file.c.

{
  int ret;
 
  _lock_file(file);
  /* Note that all this has been lifted 'as is' from fseek */
  if(file->_flag & _IOWRT)
    msvcrt_flush_buffer(file);
 
  /* Discard buffered input */
  file->_cnt = 0;
  file->_ptr = file->_base;
 
  /* Reset direction of i/o */
  if(file->_flag & _IORW) {
        file->_flag &= ~(_IOREAD|_IOWRT);
  }
 
  ret = (_lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
  _unlock_file(file);
  return ret;
}

ftell()

LONG CDECL ftell

(

FILE *

file

)

Definition at line 3566 of file file.c.

{
  return (LONG)_ftelli64(file);
}

fwrite()

size_t CDECL fwrite	(	const void *	ptr,
		size_t	size,
		size_t	nmemb,
		FILE *	file
	)

Definition at line 3077 of file file.c.

{
    size_t wrcnt=size * nmemb;
    int written = 0;
    if (size == 0)
        return 0;
 
    _lock_file(file);
 
    while(wrcnt) {
#ifndef __REACTOS__
        if(file->_cnt < 0) {
            WARN("negative file->_cnt value in %p\n", file);
            file->_flag |= MSVCRT__IOERR;
            break;
        } else
#endif
        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 & _IONBF)
                || ((file->_flag & (_IOMYBUF | _USERBUF)) && wrcnt >= file->_bufsiz)
                || (!(file->_flag & (_IOMYBUF | _USERBUF)) && wrcnt >= MSVCRT_INTERNAL_BUFSIZ)) {
            size_t pcnt;
            int bufsiz;
 
            if(file->_flag & _IONBF)
                bufsiz = 1;
            else if(!(file->_flag & (_IOMYBUF | _USERBUF)))
                bufsiz = MSVCRT_INTERNAL_BUFSIZ;
            else
                bufsiz = file->_bufsiz;
 
            pcnt = (wrcnt / bufsiz) * bufsiz;
 
            if(msvcrt_flush_buffer(file) == EOF)
                break;
 
            if(_write(file->_file, ptr, pcnt) <= 0) {
                file->_flag |= _IOERR;
                break;
            }
            written += pcnt;
            wrcnt -= pcnt;
            ptr = (const char*)ptr + pcnt;
        } else {
            if(_flsbuf(*(const char*)ptr, file) == EOF)
                break;
            written++;
            wrcnt--;
            ptr = (const char*)ptr + 1;
        }
    }
 
    _unlock_file(file);
    return written / size;
}

get_ioinfo()

ioinfo * get_ioinfo

(

int

fd

)

Definition at line 181 of file file.c.

{
    ioinfo *ret = get_ioinfo_nolock(fd);
    if(ret == &__badioinfo)
        return ret;
    init_ioinfo_cs(ret);
    EnterCriticalSection(&ret->crit);
    return ret;
}

Referenced by _chsize_s(), _close(), _commit(), _dup2(), _eof(), _fstat64(), _futime(), _locking(), _lseeki64(), _read(), _setmode(), _write(), get_ioinfo_alloc_fd(), and msvcrt_free_fd().

get_ioinfo_alloc()

static ioinfo * get_ioinfo_alloc ( int *  fd )

inlinestatic

Definition at line 230 of file file.c.

{
    int i;
 
    *fd = -1;
    for(i=0; i<MSVCRT_MAX_FILES; i++)
    {
        ioinfo *info = get_ioinfo_nolock(i);
 
        if(info == &__badioinfo)
        {
            if(!alloc_pioinfo_block(i))
                return &__badioinfo;
            info = get_ioinfo_nolock(i);
        }
 
        init_ioinfo_cs(info);
        if(TryEnterCriticalSection(&info->crit))
        {
            if(info->handle == INVALID_HANDLE_VALUE)
            {
                *fd = i;
                return info;
            }
            LeaveCriticalSection(&info->crit);
        }
    }
 
    WARN(":files exhausted!\n");
    *_errno() = ENFILE;
    return &__badioinfo;
}

Referenced by _dup(), and msvcrt_alloc_fd().

get_ioinfo_alloc_fd()

static ioinfo * get_ioinfo_alloc_fd ( int  fd )

inlinestatic

Definition at line 216 of file file.c.

{
    ioinfo *ret;
 
    ret = get_ioinfo(fd);
    if(ret != &__badioinfo)
        return ret;
 
    if(!alloc_pioinfo_block(fd))
        return &__badioinfo;
 
    return get_ioinfo(fd);
}

Referenced by _dup2(), and msvcrt_init_io().

get_ioinfo_nolock()

static ioinfo * get_ioinfo_nolock ( int  fd )

inlinestatic

Definition at line 158 of file file.c.

{
    ioinfo *ret = NULL;
    if(fd>=0 && fd<MSVCRT_MAX_FILES)
        ret = __pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
    if(!ret)
        return &__badioinfo;
 
    return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
}

Referenced by _close(), _ftelli64(), _get_osfhandle(), _isatty(), _wsopen_s(), create_io_inherit_block(), fgetwc(), fputwc(), fputws(), fread(), get_ioinfo(), get_ioinfo_alloc(), msvcrt_init_fp(), msvcrt_init_io(), and ungetwc().

get_utf8_char_len()

static int get_utf8_char_len ( char  ch )

inlinestatic

Definition at line 2116 of file file.c.

{
    if((ch&0xf8) == 0xf0)
        return 4;
    else if((ch&0xf0) == 0xe0)
        return 3;
    else if((ch&0xe0) == 0xc0)
        return 2;
    return 1;
}

Referenced by read_utf8().

getc()

int CDECL getc

(

FILE *

file

)

Definition at line 3637 of file file.c.

{
  return fgetc(file);
}

getchar()

int CDECL getchar

(

void

)

Definition at line 3629 of file file.c.

{
  return fgetc(stdin);
}

gets()

char *CDECL gets

(

char *

buf

)

Definition at line 3645 of file file.c.

{
  int    cc;
  char * buf_start = buf;
 
  _lock_file(stdin);
  for(cc = fgetc(stdin); cc != EOF && cc != '\n';
      cc = fgetc(stdin))
  if(cc != '\r') *buf++ = (char)cc;
 
  *buf = '\0';
 
  TRACE("got '%s'\n", buf_start);
  _unlock_file(stdin);
  return buf_start;
}

getwc()

wint_t CDECL getwc

(

FILE *

file

)

Definition at line 3021 of file file.c.

{
  return fgetwc(file);
}

getwchar()

wint_t CDECL getwchar

(

void

)

Definition at line 3037 of file file.c.

{
  return _fgetwchar();
}

init_ioinfo_cs()

static void init_ioinfo_cs ( ioinfo *  info )

inlinestatic

Definition at line 169 of file file.c.

{
    if(!(info->exflag & EF_CRIT_INIT)) {
        LOCK_FILES();
        if(!(info->exflag & EF_CRIT_INIT)) {
            InitializeCriticalSection(&info->crit);
            info->exflag |= EF_CRIT_INIT;
        }
        UNLOCK_FILES();
    }
}

Referenced by get_ioinfo(), and get_ioinfo_alloc().

msvcrt_alloc_buffer()

BOOL msvcrt_alloc_buffer

(

FILE *

file

)

Definition at line 572 of file file.c.

{
    if((file->_file==STDOUT_FILENO || file->_file==STDERR_FILENO)
            && _isatty(file->_file))
        return FALSE;
 
    file->_base = calloc(1, MSVCRT_INTERNAL_BUFSIZ);
    if(file->_base) {
        file->_bufsiz = MSVCRT_INTERNAL_BUFSIZ;
        file->_flag |= _IOMYBUF;
    } else {
        file->_base = (char*)(&file->_charbuf);
        file->_bufsiz = 2;
        file->_flag |= _IONBF;
    }
    file->_ptr = file->_base;
    file->_cnt = 0;
    return TRUE;
}

Referenced by _filbuf(), _flsbuf(), fread(), and ungetc().

msvcrt_alloc_fd()

int msvcrt_alloc_fd	(	HANDLE	hand,
		int	flag
	)

Definition at line 343 of file file.c.

{
    int fd;
    ioinfo *info = get_ioinfo_alloc(&fd);
 
    TRACE(":handle (%p) allocating fd (%d)\n", hand, fd);
 
    if(info == &__badioinfo)
        return -1;
 
    msvcrt_set_fd(info, hand, flag);
    release_ioinfo(info);
    return fd;
}

Referenced by _open_osfhandle(), _pipe(), _tpopen(), and _wsopen_s().

msvcrt_alloc_fp()

static FILE * msvcrt_alloc_fp ( void  )

static

Definition at line 360 of file file.c.

{
  int i;
  FILE *file;
 
  for (i = 3; i < MSVCRT_max_streams; i++)
  {
    file = msvcrt_get_file(i);
    if (!file)
      return NULL;
 
    if (file->_flag == 0)
    {
      if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
      return file;
    }
  }
 
  return NULL;
}

Referenced by _wfdopen(), _wfsopen(), and tmpfile().

msvcrt_flush_all_buffers()

static int msvcrt_flush_all_buffers ( int  mask )

static

Definition at line 867 of file file.c.

{
  int i, num_flushed = 0;
  FILE *file;
 
  LOCK_FILES();
  for (i = 0; i < MSVCRT_stream_idx; i++) {
    file = msvcrt_get_file(i);
 
    if (file->_flag)
    {
      if(file->_flag & mask) {
    fflush(file);
        num_flushed++;
      }
    }
  }
  UNLOCK_FILES();
 
  TRACE(":flushed (%d) handles\n",num_flushed);
  return num_flushed;
}

Referenced by _flushall(), and fflush().

msvcrt_flush_buffer()

static int msvcrt_flush_buffer ( FILE *  file )

static

Definition at line 535 of file file.c.

{
    if((file->_flag & (_IOREAD|_IOWRT)) == _IOWRT &&
            file->_flag & (_IOMYBUF|_USERBUF)) {
        int cnt=file->_ptr-file->_base;
        if(cnt>0 && _write(file->_file, file->_base, cnt) != cnt) {
            file->_flag |= _IOERR;
            return EOF;
        }
 
        if(file->_flag & _IORW)
            file->_flag &= ~_IOWRT;
 
#ifdef __REACTOS__ /* CORE-11949 */
    file->_ptr=file->_base;
    file->_cnt=0;
#endif
    }
 
#ifndef __REACTOS__ /* CORE-11949 */
    file->_ptr=file->_base;
    file->_cnt=0;
#endif
    return 0;
}

Referenced by _fseeki64(), fflush(), fputc(), fsetpos(), fwrite(), and remove_std_buffer().

msvcrt_free_fd()

static void msvcrt_free_fd ( int  fd )

static

Definition at line 296 of file file.c.

{
  ioinfo *fdinfo = get_ioinfo(fd);
 
  if(fdinfo != &__badioinfo)
  {
    fdinfo->handle = INVALID_HANDLE_VALUE;
    fdinfo->wxflag = 0;
  }
  TRACE(":fd (%d) freed\n",fd);
 
  if (fd < 3)
  {
    switch (fd)
    {
    case 0:
        SetStdHandle(STD_INPUT_HANDLE, 0);
        break;
    case 1:
        SetStdHandle(STD_OUTPUT_HANDLE, 0);
        break;
    case 2:
        SetStdHandle(STD_ERROR_HANDLE, 0);
        break;
    }
  }
  release_ioinfo(fdinfo);
}

Referenced by _close().

msvcrt_free_io()

void msvcrt_free_io

(

void

)

Definition at line 1100 of file file.c.

{
    unsigned int i;
    int j;
 
    _flushall();
    _fcloseall();
 
    for(i=0; i<sizeof(__pioinfo)/sizeof(__pioinfo[0]); i++)
    {
        if(!__pioinfo[i])
            continue;
 
        for(j=0; j<MSVCRT_FD_BLOCK_SIZE; j++)
        {
            if(__pioinfo[i][j].exflag & EF_CRIT_INIT)
                DeleteCriticalSection(&__pioinfo[i][j].crit);
        }
        free(__pioinfo[i]);
    }
 
    for(j=0; j<MSVCRT_stream_idx; j++)
    {
        FILE *file = msvcrt_get_file(j);
        if(file<_iob || file>=_iob+_IOB_ENTRIES)
        {
            ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
            DeleteCriticalSection(&((file_crit*)file)->crit);
        }
    }
 
    for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
        free(MSVCRT_fstream[i]);
}

Referenced by DllMain(), and msvcrt_init_exception().

msvcrt_get_file()

static FILE * msvcrt_get_file ( int  i )

inlinestatic

Definition at line 269 of file file.c.

{
    file_crit *ret;
 
    if(i >= MSVCRT_max_streams)
        return NULL;
 
    if(i < _IOB_ENTRIES)
        return &_iob[i];
 
    ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
    if(!ret) {
        MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
        if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
            ERR("out of memory\n");
            *_errno() = ENOMEM;
            return NULL;
        }
 
        ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
    } else
        ret += i%MSVCRT_FD_BLOCK_SIZE;
 
    return &ret->file;
}

Referenced by _fcloseall(), _rmtmp(), fclose(), msvcrt_alloc_fp(), msvcrt_flush_all_buffers(), and msvcrt_free_io().

msvcrt_get_flags()

static int msvcrt_get_flags ( const wchar_t *  mode, int *  open_flags, int *  stream_flags  )

static

Definition at line 1385 of file file.c.

{
  int plus = strchrW(mode, '+') != NULL;
 
  TRACE("%s\n", debugstr_w(mode));
 
  while(*mode == ' ') mode++;
 
  switch(*mode++)
  {
  case 'R': case 'r':
    *open_flags = plus ? _O_RDWR : _O_RDONLY;
    *stream_flags = plus ? _IORW : _IOREAD;
    break;
  case 'W': case 'w':
    *open_flags = _O_CREAT | _O_TRUNC | (plus  ? _O_RDWR : _O_WRONLY);
    *stream_flags = plus ? _IORW : _IOWRT;
    break;
  case 'A': case 'a':
    *open_flags = _O_CREAT | _O_APPEND | (plus  ? _O_RDWR : _O_WRONLY);
    *stream_flags = plus ? _IORW : _IOWRT;
    break;
  default:
    MSVCRT_INVALID_PMT(0, EINVAL);
    return -1;
  }
 
  *stream_flags |= _commode;
 
  while (*mode && *mode!=',')
    switch (*mode++)
    {
    case 'B': case 'b':
      *open_flags |=  _O_BINARY;
      *open_flags &= ~_O_TEXT;
      break;
    case 't':
      *open_flags |=  _O_TEXT;
      *open_flags &= ~_O_BINARY;
      break;
    case 'D':
      *open_flags |= _O_TEMPORARY;
      break;
    case 'T':
      *open_flags |= _O_SHORT_LIVED;
      break;
    case 'c':
      *stream_flags |= _IOCOMMIT;
      break;
    case 'n':
      *stream_flags &= ~_IOCOMMIT;
      break;
    case 'N':
      *open_flags |= _O_NOINHERIT;
      break;
    case '+':
    case ' ':
    case 'a':
    case 'w':
      break;
    case 'S':
    case 'R':
      FIXME("ignoring cache optimization flag: %c\n", mode[-1]);
      break;
    default:
      ERR("incorrect mode flag: %c\n", mode[-1]);
      break;
    }
 
  if(*mode == ',')
  {
    static const WCHAR ccs[] = {'c','c','s'};
    static const WCHAR utf8[] = {'u','t','f','-','8'};
    static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
    static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
 
    mode++;
    while(*mode == ' ') mode++;
    if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
      return -1;
    mode += sizeof(ccs)/sizeof(ccs[0]);
    while(*mode == ' ') mode++;
    if(!MSVCRT_CHECK_PMT(*mode == '='))
        return -1;
    mode++;
    while(*mode == ' ') mode++;
 
    if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
    {
      *open_flags |= _O_U8TEXT;
      mode += sizeof(utf8)/sizeof(utf8[0]);
    }
    else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
    {
      *open_flags |= _O_U16TEXT;
      mode += sizeof(utf16le)/sizeof(utf16le[0]);
    }
    else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
    {
      *open_flags |= _O_WTEXT;
      mode += sizeof(unicode)/sizeof(unicode[0]);
    }
    else
    {
      MSVCRT_INVALID_PMT(0, EINVAL);
      return -1;
    }
 
    while(*mode == ' ') mode++;
  }
 
  if(!MSVCRT_CHECK_PMT(*mode == 0))
    return -1;
  return 0;
}

Referenced by _wfdopen(), _wfreopen(), and _wfsopen().

msvcrt_init_fp()

static int msvcrt_init_fp ( FILE *  file, int  fd, unsigned  stream_flags  )

static

Definition at line 382 of file file.c.

{
  TRACE(":fd (%d) allocating FILE*\n",fd);
  if (!(get_ioinfo_nolock(fd)->wxflag & WX_OPEN))
  {
    WARN(":invalid fd %d\n",fd);
    *__doserrno() = 0;
    *_errno() = EBADF;
    return -1;
  }
  file->_ptr = file->_base = NULL;
  file->_cnt = 0;
  file->_file = fd;
  file->_flag = stream_flags;
  file->_tmpfname = NULL;
 
  if(file<_iob || file>=_iob+_IOB_ENTRIES)
      InitializeCriticalSection(&((file_crit*)file)->crit);
 
  TRACE(":got FILE* (%p)\n",file);
  return 0;
}

Referenced by _wfdopen(), _wfreopen(), _wfsopen(), and tmpfile().

msvcrt_init_io()

void msvcrt_init_io

(

void

)

Definition at line 456 of file file.c.

{
  STARTUPINFOA  si;
  unsigned int  i;
  ioinfo        *fdinfo;
 
  GetStartupInfoA(&si);
  if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
  {
    BYTE*       wxflag_ptr;
    HANDLE*     handle_ptr;
    unsigned int count;
 
    count = *(unsigned*)si.lpReserved2;
    wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
    handle_ptr = (HANDLE*)(wxflag_ptr + count);
 
    count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
    count = min(count, MSVCRT_MAX_FILES);
    for (i = 0; i < count; i++)
    {
      if ((*wxflag_ptr & WX_OPEN) && GetFileType(*handle_ptr) != FILE_TYPE_UNKNOWN)
      {
        fdinfo = get_ioinfo_alloc_fd(i);
        if(fdinfo != &__badioinfo)
            msvcrt_set_fd(fdinfo, *handle_ptr, *wxflag_ptr);
        release_ioinfo(fdinfo);
      }
 
      wxflag_ptr++; handle_ptr++;
    }
  }
 
  fdinfo = get_ioinfo_alloc_fd(STDIN_FILENO);
  if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
    HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
    DWORD type = GetFileType(h);
 
    msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
            |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
  }
  release_ioinfo(fdinfo);
 
  fdinfo = get_ioinfo_alloc_fd(STDOUT_FILENO);
  if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
    HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
    DWORD type = GetFileType(h);
 
    msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
            |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
  }
  release_ioinfo(fdinfo);
 
  fdinfo = get_ioinfo_alloc_fd(STDERR_FILENO);
  if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
    HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
    DWORD type = GetFileType(h);
 
    msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
            |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
  }
  release_ioinfo(fdinfo);
 
  TRACE(":handles (%p)(%p)(%p)\n", get_ioinfo_nolock(STDIN_FILENO)->handle,
        get_ioinfo_nolock(STDOUT_FILENO)->handle,
        get_ioinfo_nolock(STDERR_FILENO)->handle);
 
  memset(_iob,0,3*sizeof(FILE));
  for (i = 0; i < 3; i++)
  {
    /* FILE structs for stdin/out/err are static and never deleted */
    _iob[i]._file = i;
    _iob[i]._tmpfname = NULL;
    _iob[i]._flag = (i == 0) ? _IOREAD : _IOWRT;
  }
  MSVCRT_stream_idx = 3;
}

Referenced by crt_process_init(), and DllMain().

msvcrt_int_to_base32()

static int msvcrt_int_to_base32 ( int  num, char *  str  )

static

Definition at line 619 of file file.c.

{
  char *p;
  int n = num;
  int digits = 0;
 
  while (n != 0)
  {
    n >>= 5;
    digits++;
  }
  p = str + digits;
  *p = 0;
  while (--p >= str)
  {
    *p = (num & 31) + '0';
    if (*p > '9')
      *p += ('a' - '0' - 10);
    num >>= 5;
  }
 
  return digits;
}

Referenced by tmpnam().

msvcrt_int_to_base32_w()

static int msvcrt_int_to_base32_w ( int  num, wchar_t *  str  )

static

Definition at line 644 of file file.c.

{
    wchar_t *p;
    int n = num;
    int digits = 0;
 
    while (n != 0)
    {
        n >>= 5;
        digits++;
    }
    p = str + digits;
    *p = 0;
    while (--p >= str)
    {
        *p = (num & 31) + '0';
        if (*p > '9')
            *p += ('a' - '0' - 10);
        num >>= 5;
    }
 
    return digits;
}

Referenced by _wtmpnam().

msvcrt_set_fd()

static void msvcrt_set_fd ( ioinfo *  fdinfo, HANDLE  hand, int  flag  )

static

Definition at line 325 of file file.c.

{
  fdinfo->handle = hand;
  fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_TTY));
  fdinfo->lookahead[0] = '\n';
  fdinfo->lookahead[1] = '\n';
  fdinfo->lookahead[2] = '\n';
  fdinfo->exflag &= EF_CRIT_INIT;
 
  switch (fdinfo-__pioinfo[0])
  {
  case 0: SetStdHandle(STD_INPUT_HANDLE,  hand); break;
  case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
  case 2: SetStdHandle(STD_ERROR_HANDLE,  hand); break;
  }
}

Referenced by _dup2(), msvcrt_alloc_fd(), and msvcrt_init_io().

msvcrt_wstrdupa()

wchar_t * msvcrt_wstrdupa

(

const char *

str

)

Definition at line 669 of file file.c.

{
  const unsigned int len = strlen(str) + 1 ;
  wchar_t *wstr = malloc(len* sizeof (wchar_t));
  if (!wstr)
    return NULL;
   MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
  return wstr;
}

Referenced by _fdopen(), _fsopen(), _sopen_s(), and freopen().

putc()

int CDECL putc	(	int	c,
		FILE *	file
	)

Definition at line 3687 of file file.c.

{
  return fputc(c, file);
}

putchar()

int CDECL putchar

(

int

c

)

Definition at line 3695 of file file.c.

{
  return fputc(c, stdout);
}

puts()

int CDECL puts

(

const char *

s

)

Definition at line 3711 of file file.c.

{
    size_t len = strlen(s);
    int ret;
 
    _lock_file(stdout);
    if(fwrite(s, sizeof(*s), len, stdout) != len) {
        _unlock_file(stdout);
        return EOF;
    }
 
    ret = fwrite("\n",1,1,stdout) == 1 ? 0 : EOF;
    _unlock_file(stdout);
    return ret;
}

read_i()

static int read_i ( int  fd, ioinfo *  fdinfo, void *  buf, unsigned int  count  )

static

Definition at line 2306 of file file.c.

{
    DWORD num_read, utf16;
    char *bufstart = buf;
 
    if (count == 0)
        return 0;
 
    if (fdinfo->wxflag & WX_ATEOF) {
        TRACE("already at EOF, returning 0\n");
        return 0;
    }
    /* Don't trace small reads, it gets *very* annoying */
    if (count > 4)
        TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n", fd, fdinfo->handle, buf, count);
    if (fdinfo->handle == INVALID_HANDLE_VALUE)
    {
        *_errno() = EBADF;
        return -1;
    }
 
    utf16 = (fdinfo->exflag & EF_UTF16) != 0;
    if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
    {
        *_errno() = EINVAL;
        return -1;
    }
 
    if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
        return read_utf8(fdinfo, buf, count);
 
    if (fdinfo->lookahead[0]!='\n' || ReadFile(fdinfo->handle, bufstart, count, &num_read, NULL))
    {
        if (fdinfo->lookahead[0] != '\n')
        {
            bufstart[0] = fdinfo->lookahead[0];
            fdinfo->lookahead[0] = '\n';
 
            if (utf16)
            {
                bufstart[1] =  fdinfo->lookahead[1];
                fdinfo->lookahead[1] = '\n';
            }
 
            if(count>1+utf16 && ReadFile(fdinfo->handle, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
                num_read += 1+utf16;
            else
                num_read = 1+utf16;
        }
 
        if(utf16 && (num_read&1))
        {
            /* msvcr90 uses uninitialized value from the buffer in this case */
            /* msvcrt ignores additional data */
            ERR("got odd number of bytes in UTF16 mode\n");
            num_read--;
        }
 
        if (count != 0 && num_read == 0)
        {
            fdinfo->wxflag |= WX_ATEOF;
            TRACE(":EOF %s\n",debugstr_an(buf,num_read));
        }
        else if (fdinfo->wxflag & WX_TEXT)
        {
            DWORD i, j;
 
            if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
                fdinfo->wxflag |= WX_READNL;
            else
                fdinfo->wxflag &= ~WX_READNL;
 
            for (i=0, j=0; i<num_read; i+=1+utf16)
            {
                /* in text mode, a ctrl-z signals EOF */
                if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
                {
                    fdinfo->wxflag |= WX_ATEOF;
                    TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
                    break;
                }
 
                /* in text mode, strip \r if followed by \n */
                if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
                {
                    char lookahead[2];
                    DWORD len;
 
                    lookahead[1] = '\n';
                    if (ReadFile(fdinfo->handle, lookahead, 1+utf16, &len, NULL) && len)
                    {
                        if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
                        {
                            bufstart[j++] = '\n';
                            if(utf16) bufstart[j++] = 0;
                        }
                        else
                        {
                            if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
                            {
                                bufstart[j++] = '\r';
                                if(utf16) bufstart[j++] = 0;
                            }
 
                            if (fdinfo->wxflag & (WX_PIPE | WX_TTY))
                            {
                                if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
                                {
                                    bufstart[j++] = '\n';
                                    if (utf16) bufstart[j++] = 0;
                                }
                                else
                                {
                                    fdinfo->lookahead[0] = lookahead[0];
                                    fdinfo->lookahead[1] = lookahead[1];
                                }
                            }
                            else
                                SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
                        }
                    }
                    else
                    {
                        bufstart[j++] = '\r';
                        if(utf16) bufstart[j++] = 0;
                    }
                }
                else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
                        || (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
                {
                    bufstart[j++] = bufstart[i];
                    if(utf16) bufstart[j++] = bufstart[i+1];
                }
            }
            num_read = j;
        }
    }
    else
    {
        if (GetLastError() == ERROR_BROKEN_PIPE)
        {
            TRACE(":end-of-pipe\n");
            fdinfo->wxflag |= WX_ATEOF;
            return 0;
        }
        else
        {
            TRACE(":failed-last error (%d)\n",GetLastError());
            return -1;
        }
    }
 
    if (count > 4)
        TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
    return num_read;
}

Referenced by _read().

read_utf8()

static int read_utf8 ( ioinfo *  fdinfo, wchar_t *  buf, unsigned int  count  )

static

Definition at line 2130 of file file.c.

{
    HANDLE hand = fdinfo->handle;
    char min_buf[4], *readbuf, lookahead;
    DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
 
    /* make the buffer big enough to hold at least one character */
    /* read bytes have to fit to output and lookahead buffers */
    count /= 2;
    readbuf_size = count < 4 ? 4 : count;
    if(readbuf_size<=4 || !(readbuf = malloc(readbuf_size))) {
        readbuf_size = 4;
        readbuf = min_buf;
    }
 
    if(fdinfo->lookahead[0] != '\n') {
        readbuf[pos++] = fdinfo->lookahead[0];
        fdinfo->lookahead[0] = '\n';
 
        if(fdinfo->lookahead[1] != '\n') {
            readbuf[pos++] = fdinfo->lookahead[1];
            fdinfo->lookahead[1] = '\n';
 
            if(fdinfo->lookahead[2] != '\n') {
                readbuf[pos++] = fdinfo->lookahead[2];
                fdinfo->lookahead[2] = '\n';
            }
        }
    }
 
    /* NOTE: this case is broken in native dll, reading
     *        sometimes fails when small buffer is passed
     */
    if(count < 4) {
        if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
            if (GetLastError() == ERROR_BROKEN_PIPE) {
                fdinfo->wxflag |= WX_ATEOF;
                return 0;
            }else {
                _dosmaperr(GetLastError());
                return -1;
            }
        }else if(!num_read) {
            fdinfo->wxflag |= WX_ATEOF;
            return 0;
        }else {
            pos++;
        }
 
        char_len = get_utf8_char_len(readbuf[0]);
        if(char_len>pos) {
            if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
                pos += num_read;
        }
 
        if(readbuf[0] == '\n')
            fdinfo->wxflag |= WX_READNL;
        else
            fdinfo->wxflag &= ~WX_READNL;
 
        if(readbuf[0] == 0x1a) {
            fdinfo->wxflag |= WX_ATEOF;
            return 0;
        }
 
        if(readbuf[0] == '\r') {
            if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
                buf[0] = '\r';
            else if(lookahead == '\n')
                buf[0] = '\n';
            else {
                buf[0] = '\r';
                if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
                    fdinfo->lookahead[0] = lookahead;
                else
                    SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
            }
            return 2;
        }
 
        if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
            _dosmaperr(GetLastError());
            return -1;
        }
 
        return num_read*2;
    }
 
    if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
        if(pos) {
            num_read = 0;
        }else if(GetLastError() == ERROR_BROKEN_PIPE) {
            fdinfo->wxflag |= WX_ATEOF;
            if (readbuf != min_buf) free(readbuf);
            return 0;
        }else {
            _dosmaperr(GetLastError());
            if (readbuf != min_buf) free(readbuf);
            return -1;
        }
    }else if(!pos && !num_read) {
        fdinfo->wxflag |= WX_ATEOF;
        if (readbuf != min_buf) free(readbuf);
        return 0;
    }
 
    pos += num_read;
    if(readbuf[0] == '\n')
        fdinfo->wxflag |= WX_READNL;
    else
        fdinfo->wxflag &= ~WX_READNL;
 
    /* Find first byte of last character (may be incomplete) */
    for(i=pos-1; i>0 && i>pos-4; i--)
        if((readbuf[i]&0xc0) != 0x80)
            break;
    char_len = get_utf8_char_len(readbuf[i]);
    if(char_len+i <= pos)
        i += char_len;
 
    if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) {
        if(i < pos)
            fdinfo->lookahead[0] = readbuf[i];
        if(i+1 < pos)
            fdinfo->lookahead[1] = readbuf[i+1];
        if(i+2 < pos)
            fdinfo->lookahead[2] = readbuf[i+2];
    }else if(i < pos) {
        SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
    }
    pos = i;
 
    for(i=0, j=0; i<pos; i++) {
        if(readbuf[i] == 0x1a) {
            fdinfo->wxflag |= WX_ATEOF;
            break;
        }
 
        /* strip '\r' if followed by '\n' */
        if(readbuf[i] == '\r' && i+1==pos) {
            if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
                readbuf[j++] = '\r';
            }else if(lookahead == '\n' && j==0) {
                readbuf[j++] = '\n';
            }else {
                if(lookahead != '\n')
                    readbuf[j++] = '\r';
 
                if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
                    fdinfo->lookahead[0] = lookahead;
                else
                    SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
            }
        }else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
            readbuf[j++] = readbuf[i];
        }
    }
    pos = j;
 
    if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
        _dosmaperr(GetLastError());
        if (readbuf != min_buf) free(readbuf);
        return -1;
    }
 
    if (readbuf != min_buf) free(readbuf);
    return num_read*2;
}

Referenced by read_i().

release_ioinfo()

void release_ioinfo

(

ioinfo *

info

)

Definition at line 263 of file file.c.

{
    if(info!=&__badioinfo && info->exflag & EF_CRIT_INIT)
        LeaveCriticalSection(&info->crit);
}

Referenced by _chsize_s(), _close(), _commit(), _dup(), _dup2(), _eof(), _fstat64(), _futime(), _locking(), _lseeki64(), _read(), _setmode(), _write(), msvcrt_alloc_fd(), msvcrt_free_fd(), and msvcrt_init_io().

remove()

int CDECL remove

(

const char *

path

)

Definition at line 3750 of file file.c.

{
  TRACE("(%s)\n",path);
  if (DeleteFileA(path))
    return 0;
  TRACE(":failed (%d)\n",GetLastError());
  _dosmaperr(GetLastError());
  return -1;
}

remove_std_buffer()

static void remove_std_buffer ( FILE *  file )

static

Definition at line 610 of file file.c.

{
    msvcrt_flush_buffer(file);
    file->_ptr = file->_base = NULL;
    file->_bufsiz = file->_cnt = 0;
    file->_flag &= ~_USERBUF;
}

Referenced by fputws().

rename()

int CDECL rename	(	const char *	oldpath,
		const char *	newpath
	)

Definition at line 3776 of file file.c.

{
  TRACE(":from %s to %s\n",oldpath,newpath);
  if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
    return 0;
  TRACE(":failed (%d)\n",GetLastError());
  _dosmaperr(GetLastError());
  return -1;
}

rewind()

void CDECL rewind

(

FILE *

file

)

Definition at line 1375 of file file.c.

{
  TRACE(":file (%p) fd (%d)\n",file,file->_file);
 
  _lock_file(file);
  fseek(file, 0L, SEEK_SET);
  clearerr(file);
  _unlock_file(file);
}

setbuf()

void CDECL setbuf	(	FILE *	file,
		char *	buf
	)

Definition at line 3842 of file file.c.

{
  setvbuf(file, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
}

setvbuf()

int CDECL setvbuf	(	FILE *	file,
		char *	buf,
		int	mode,
		size_t	size
	)

Definition at line 3802 of file file.c.

{
    if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
    if(!MSVCRT_CHECK_PMT(mode==_IONBF || mode==_IOFBF || mode==_IOLBF)) return -1;
    if(!MSVCRT_CHECK_PMT(mode==_IONBF || (size>=2 && size<=INT_MAX))) return -1;
 
    _lock_file(file);
 
    fflush(file);
    if(file->_flag & _IOMYBUF)
        free(file->_base);
    file->_flag &= ~(_IONBF | _IOMYBUF | _USERBUF);
    file->_cnt = 0;
 
    if(mode == _IONBF) {
        file->_flag |= _IONBF;
        file->_base = file->_ptr = (char*)&file->_charbuf;
        file->_bufsiz = 2;
    }else if(buf) {
        file->_base = file->_ptr = buf;
        file->_flag |= _USERBUF;
        file->_bufsiz = size;
    }else {
        file->_base = file->_ptr = malloc(size);
        if(!file->_base) {
            file->_bufsiz = 0;
            _unlock_file(file);
            return -1;
        }
 
        file->_flag |= _IOMYBUF;
        file->_bufsiz = size;
    }
    _unlock_file(file);
    return 0;
}

split_oflags()

unsigned split_oflags

(

unsigned

oflags

)

Definition at line 1671 of file file.c.

{
    int wxflags = 0;
    unsigned unsupp; /* until we support everything */
 
    if (oflags & _O_APPEND)              wxflags |= WX_APPEND;
    if (oflags & _O_BINARY)              {/* Nothing to do */}
    else if (oflags & _O_TEXT)           wxflags |= WX_TEXT;
    else if (oflags & _O_WTEXT)          wxflags |= WX_TEXT;
    else if (oflags & _O_U16TEXT)        wxflags |= WX_TEXT;
    else if (oflags & _O_U8TEXT)         wxflags |= WX_TEXT;
    else if (*__p__fmode() & _O_BINARY)  {/* Nothing to do */}
    else                                        wxflags |= WX_TEXT; /* default to TEXT*/
    if (oflags & _O_NOINHERIT)           wxflags |= WX_DONTINHERIT;
 
    if ((unsupp = oflags & ~(
                    _O_BINARY|_O_TEXT|_O_APPEND|
                    _O_TRUNC|_O_EXCL|_O_CREAT|
                    _O_RDWR|_O_WRONLY|_O_TEMPORARY|
                    _O_NOINHERIT|
                    _O_SEQUENTIAL|_O_RANDOM|_O_SHORT_LIVED|
                    _O_WTEXT|_O_U16TEXT|_O_U8TEXT
                    )))
        ERR(":unsupported oflags 0x%04x\n",unsupp);
 
    return wxflags;
}

Referenced by _open_osfhandle(), _pipe(), _tpopen(), and _wsopen_s().

tmpfile()

FILE *CDECL tmpfile

(

void

)

Definition at line 3914 of file file.c.

{
  char *filename = tmpnam(NULL);
  int fd;
  FILE* file = NULL;
 
  LOCK_FILES();
  fd = _open(filename, _O_CREAT | _O_BINARY | _O_RDWR | _O_TEMPORARY,
          _S_IREAD | _S_IWRITE);
  if (fd != -1 && (file = msvcrt_alloc_fp()))
  {
    if (msvcrt_init_fp(file, fd, _IORW) == -1)
    {
        file->_flag = 0;
        file = NULL;
    }
    else file->_tmpfname = _strdup(filename);
  }
 
  if(fd != -1 && !file)
      _close(fd);
  UNLOCK_FILES();
  return file;
}

tmpnam()

char *CDECL tmpnam

(

char *

s

)

Definition at line 3850 of file file.c.

{
  char tmpstr[16];
  char *p;
  int count, size;
 
  if (!s) {
    thread_data_t *data = msvcrt_get_thread_data();
 
    if(!data->tmpnam_buffer)
      data->tmpnam_buffer = malloc(MAX_PATH);
 
    s = data->tmpnam_buffer;
  }
 
  msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
  p = s + sprintf(s, "\\s%s.", tmpstr);
  for (count = 0; count < TMP_MAX; count++)
  {
    size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
    memcpy(p, tmpstr, size);
    p[size] = '\0';
    if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
        GetLastError() == ERROR_FILE_NOT_FOUND)
      break;
  }
  return s;
}

ungetc()

int CDECL ungetc	(	int	c,
		FILE *	file
	)

Definition at line 3942 of file file.c.

{
    if(!MSVCRT_CHECK_PMT(file != NULL)) return EOF;
 
    if (c == EOF || !(file->_flag&_IOREAD ||
                (file->_flag&_IORW && !(file->_flag&_IOWRT))))
        return EOF;
 
    _lock_file(file);
    if((!(file->_flag & (_IONBF | _IOMYBUF | _USERBUF))
                && msvcrt_alloc_buffer(file))
            || (!file->_cnt && file->_ptr==file->_base))
        file->_ptr++;
 
    if(file->_ptr>file->_base) {
        file->_ptr--;
        if(file->_flag & _IOSTRG) {
            if(*file->_ptr != c) {
                file->_ptr++;
                _unlock_file(file);
                return EOF;
            }
        }else {
            *file->_ptr = c;
        }
        file->_cnt++;
        clearerr(file);
        file->_flag |= _IOREAD;
        _unlock_file(file);
        return c;
    }
 
    _unlock_file(file);
    return EOF;
}

ungetwc()

wint_t CDECL ungetwc	(	wint_t	wc,
		FILE *	file
	)

Definition at line 3981 of file file.c.

{
    wchar_t mwc = wc;
 
    if (wc == WEOF)
        return WEOF;
 
    _lock_file(file);
 
    if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
            || !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
        unsigned char * pp = (unsigned char *)&mwc;
        int i;
 
        for(i=sizeof(wchar_t)-1;i>=0;i--) {
            if(pp[i] != ungetc(pp[i],file)) {
                _unlock_file(file);
                return WEOF;
            }
        }
    }else {
        char mbs[MB_LEN_MAX];
        int len;
 
        len = wctomb(mbs, mwc);
        if(len == -1) {
            _unlock_file(file);
            return WEOF;
        }
 
        for(len--; len>=0; len--) {
            if(mbs[len] != ungetc(mbs[len], file)) {
                _unlock_file(file);
                return WEOF;
            }
        }
    }
 
    _unlock_file(file);
    return mwc;
}

Variable Documentation

__badioinfo

ioinfo __badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT }

Definition at line 126 of file file.c.

Referenced by _dup2(), _setmode(), get_ioinfo(), get_ioinfo_alloc(), get_ioinfo_alloc_fd(), get_ioinfo_nolock(), msvcrt_alloc_fd(), msvcrt_free_fd(), msvcrt_init_io(), and release_ioinfo().

__pioinfo

ioinfo* __pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 }

Definition at line 121 of file file.c.

_commode

int _commode

extern

Definition at line 31 of file environ.c.

Referenced by __p__commode(), and msvcrt_get_flags().

_iob

FILE _iob[_IOB_ENTRIES] = { { 0 } }

Definition at line 133 of file file.c.

Referenced by __iob_func(), _lock_file(), _unlock_file(), fclose(), msvcrt_free_io(), msvcrt_get_file(), msvcrt_init_fp(), msvcrt_init_io(), and Test__iob().

MSVCRT_file_cs

static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 }

static

Definition at line 147 of file file.c.

MSVCRT_file_cs_debug

CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug

static

Initial value:

=
{
    0, 0, &MSVCRT_file_cs,
    { &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList },
      0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") }
}

Definition at line 148 of file file.c.

MSVCRT_fstream

file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { NULL }

static

Definition at line 134 of file file.c.

Referenced by msvcrt_free_io(), and msvcrt_get_file().

MSVCRT_max_streams

int MSVCRT_max_streams = 512

static

Definition at line 135 of file file.c.

Referenced by _getmaxstdio(), _setmaxstdio(), msvcrt_alloc_fp(), and msvcrt_get_file().

MSVCRT_stream_idx

int MSVCRT_stream_idx

static

Definition at line 135 of file file.c.

Referenced by _fcloseall(), _rmtmp(), _setmaxstdio(), fclose(), msvcrt_alloc_fp(), msvcrt_flush_all_buffers(), msvcrt_free_io(), and msvcrt_init_io().

MSVCRT_umask

int MSVCRT_umask = 0

static

Definition at line 138 of file file.c.

Referenced by _umask().

tmpnam_unique

int tmpnam_unique

static

Definition at line 141 of file file.c.

Referenced by _wtmpnam(), and tmpnam().

utf16_bom

char utf16_bom[2] = { 0xff, 0xfe }

static

Definition at line 109 of file file.c.

Referenced by _wsopen_s(), and check_bom().

utf8_bom

char utf8_bom[3] = { 0xef, 0xbb, 0xbf }

static

Definition at line 108 of file file.c.

Referenced by _wsopen_s(), check_bom(), editor_handle_message(), and parse_file().