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os_support: Include all the necessary headers for the win32 open function

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io.h is required for open and _wopen, and fcntl.h is required for
the O_CREAT flag. On mingw, fcntl.h is included by os_support.h (and
the mingw fcntl.h includes io.h), but include it explicitly here
since this implementation requires it.

Also move the #undef open up. open must not be defined to ff_win32_open
while including the headers that declare the open function. On mingw,
this happened in os_support.h before open was redirected.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Ronald S. Bultje 2012-06-24 21:29:14 +03:00 committed by Martin Storsjö
parent f2fd167835
commit 5aff37d28d
1 changed files with 3 additions and 1 deletions
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4
libavformat/os_support.c
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@ -28,9 +28,11 @@
#include "os_support.h"
#if defined(_WIN32) && !defined(__MINGW32CE__)
#undef open
#include <fcntl.h>
#include <io.h>
#include <windows.h>
#undef open
int ff_win32_open(const char *filename_utf8, int oflag, int pmode)
{
int fd;