mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
3.1 KiB
129 lines
3.1 KiB
/* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include "config.h" |
|
#include "internal.h" |
|
#include "mem.h" |
|
#include <stdarg.h> |
|
#include <fcntl.h> |
|
#include <sys/stat.h> |
|
#if HAVE_UNISTD_H |
|
#include <unistd.h> |
|
#endif |
|
#if HAVE_IO_H |
|
#include <io.h> |
|
#endif |
|
|
|
#if defined(_WIN32) && !defined(__MINGW32CE__) |
|
#undef open |
|
#undef lseek |
|
#undef stat |
|
#undef fstat |
|
#include <windows.h> |
|
#include <share.h> |
|
#include <errno.h> |
|
|
|
static int win32_open(const char *filename_utf8, int oflag, int pmode) |
|
{ |
|
int fd; |
|
int num_chars; |
|
wchar_t *filename_w; |
|
|
|
/* convert UTF-8 to wide chars */ |
|
num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0); |
|
if (num_chars <= 0) |
|
goto fallback; |
|
filename_w = av_mallocz(sizeof(wchar_t) * num_chars); |
|
if (!filename_w) { |
|
errno = ENOMEM; |
|
return -1; |
|
} |
|
MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars); |
|
|
|
fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode); |
|
av_freep(&filename_w); |
|
|
|
if (fd != -1 || (oflag & O_CREAT)) |
|
return fd; |
|
|
|
fallback: |
|
/* filename may be in CP_ACP */ |
|
return _sopen(filename_utf8, oflag, SH_DENYNO, pmode); |
|
} |
|
#define open win32_open |
|
#endif |
|
|
|
int avpriv_open(const char *filename, int flags, ...) |
|
{ |
|
int fd; |
|
unsigned int mode = 0; |
|
va_list ap; |
|
|
|
va_start(ap, flags); |
|
if (flags & O_CREAT) |
|
mode = va_arg(ap, unsigned int); |
|
va_end(ap); |
|
|
|
#ifdef O_CLOEXEC |
|
flags |= O_CLOEXEC; |
|
#endif |
|
|
|
fd = open(filename, flags, mode); |
|
#if HAVE_FCNTL |
|
if (fd != -1) { |
|
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) |
|
av_log(NULL, AV_LOG_DEBUG, "Failed to set close on exec\n"); |
|
} |
|
#endif |
|
|
|
return fd; |
|
} |
|
|
|
FILE *av_fopen_utf8(const char *path, const char *mode) |
|
{ |
|
int fd; |
|
int access; |
|
const char *m = mode; |
|
|
|
switch (*m++) { |
|
case 'r': access = O_RDONLY; break; |
|
case 'w': access = O_CREAT|O_WRONLY|O_TRUNC; break; |
|
case 'a': access = O_CREAT|O_WRONLY|O_APPEND; break; |
|
default : |
|
errno = EINVAL; |
|
return NULL; |
|
} |
|
while (*m) { |
|
if (*m == '+') { |
|
access &= ~(O_RDONLY | O_WRONLY); |
|
access |= O_RDWR; |
|
} else if (*m == 'b') { |
|
#ifdef O_BINARY |
|
access |= O_BINARY; |
|
#endif |
|
} else if (*m) { |
|
errno = EINVAL; |
|
return NULL; |
|
} |
|
m++; |
|
} |
|
fd = avpriv_open(path, access, 0666); |
|
if (fd == -1) |
|
return NULL; |
|
return fdopen(fd, mode); |
|
}
|
|
|