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file: Move win32 utf8->wchar open wrapper to libavutil

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When libavformat was changed to use the new avpriv_open function
in 51eb213d00, this silently bypassed the existing wrapper for
win32. Move the win32 wrapper into libavutil/file.c to make sure
it gets called everywhere (not just in the libavformat case).

This makes sure that non-ascii file names gets opened properly
(where file names internally are stored as utf8, but they get
converted to wchar_t and opened with _wsopen).

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-08-08 11:29:57 +03:00
parent 45e10e5c8d
commit dfc6b5c814
3 changed files with 39 additions and 45 deletions
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40
libavformat/os_support.c
View File

@ -27,46 +27,6 @@
#include "avformat.h"
#include "os_support.h"
#if defined(_WIN32) && !defined(__MINGW32CE__)
#undef open
#undef lseek
#undef stat
#undef fstat
#include <fcntl.h>
#include <io.h>
#include <windows.h>
#include <share.h>
#include <errno.h>
int ff_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 be in CP_ACP */
return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
}
#endif
#if CONFIG_NETWORK
#include <fcntl.h>
#if !HAVE_POLL_H

5
libavformat/os_support.h
View File

@ -77,11 +77,6 @@ static inline int is_dos_path(const char *path)
#endif
#endif
#if defined(_WIN32) && !defined(__MINGW32CE__)
int ff_win32_open(const char *filename, int oflag, int pmode);
#define open ff_win32_open
#endif
#if CONFIG_NETWORK
#if !HAVE_SOCKLEN_T
typedef int socklen_t;

39
libavutil/file.c
View File

@ -36,6 +36,45 @@
#include <windows.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 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;