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Allow other programs to open the same files on Windows.

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In order to match Linux behaviour better our
Windows-specific open() replacement should disable
Windows default file locking.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2012-01-20 20:27:22 +01:00
parent 7c8d477299
commit ad8173eb81
1 changed files with 3 additions and 2 deletions
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5
libavformat/os_support.c
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@ -29,6 +29,7 @@
#if defined(_WIN32) && !defined(__MINGW32CE__) #if defined(_WIN32) && !defined(__MINGW32CE__)
#include <windows.h> #include <windows.h>
#include <share.h>
#undef open #undef open
int ff_win32_open(const char *filename_utf8, int oflag, int pmode) int ff_win32_open(const char *filename_utf8, int oflag, int pmode)
@ -44,12 +45,12 @@ int ff_win32_open(const char *filename_utf8, int oflag, int pmode)
filename_w = av_mallocz(sizeof(wchar_t) * num_chars); filename_w = av_mallocz(sizeof(wchar_t) * num_chars);
MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars); MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars);
fd = _wopen(filename_w, oflag, pmode); fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode);
av_freep(&filename_w); av_freep(&filename_w);
/* filename maybe be in CP_ACP */ /* filename maybe be in CP_ACP */
if (fd == -1 && !(oflag & O_CREAT)) if (fd == -1 && !(oflag & O_CREAT))
return open(filename_utf8, oflag, pmode); return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
return fd; return fd;
} }