From ad8173eb818a4de4fc61ac1b3ede886316f20eb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Fri, 20 Jan 2012 20:27:22 +0100
Subject: [PATCH] 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>
---
libavformat/os_support.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavformat/os_support.c b/libavformat/os_support.c
index 467053e1963..913ca539c87 100644
--- a/libavformat/os_support.c
+++ b/libavformat/os_support.c
@@ -29,6 +29,7 @@
#if defined(_WIN32) && !defined(__MINGW32CE__)
#include <windows.h>
+#include <share.h>
#undef open
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);
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);
/* filename maybe be in CP_ACP */
if (fd == -1 && !(oflag & O_CREAT))
- return open(filename_utf8, oflag, pmode);
+ return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
return fd;
}
--
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