Do not try to parse empty strf tags.

[ffmpeg] / libavformat / os_support.c

diff --git a/libavformat/os_support.c b/libavformat/os_support.c
index 0b7b59e77d3b3802a3335a4186f56629d78ca8ec..ac9086c3c3bcdb3f14780a111450da0382109ae4 100644 (file)
--- a/libavformat/os_support.c
+++ b/libavformat/os_support.c
@@ -22,12 +22,39 @@
 
 /* needed by inet_aton() */
 #define _SVID_SOURCE
-#define _DARWIN_C_SOURCE
 
 #include "config.h"
 #include "avformat.h"
 #include "os_support.h"
 
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+#include <windows.h>
+
+#undef open
+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, 0, filename_utf8, -1, NULL, 0);
+    if (num_chars <= 0)
+        return -1;
+    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);
+    av_freep(&filename_w);
+
+    /* filename maybe be in CP_ACP */
+    if (fd == -1 && !(oflag & O_CREAT))
+        return open(filename_utf8, oflag, pmode);
+
+    return fd;
+}
+#endif
+
 #if CONFIG_NETWORK
 #include <fcntl.h>
 #include <unistd.h>