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file: Only include unistd.h if it exists

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It is included for the open/read/write/close functions. On
MSVC, where this header does not exist, the same functions
are provided by io.h, which is already included.

On windows, these functions are provided by io.h. Make sure
io.h is included if it exists, regardless of the setmode
function.

Signed-off-by: Martin Storsjö <martin@martin.st>

Conflicts:

	configure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ronald S. Bultje 2012-06-25 00:42:27 +03:00 committed by Michael Niedermayer
parent a4d71eb5c3
commit f3be359707
2 changed files with 5 additions and 1 deletions
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2
configure vendored
View File

@ -1302,6 +1302,7 @@ HAVE_LIST="
ibm_asm
inet_aton
inline_asm
io_h
isatty
isinf
isnan
@ -3503,6 +3504,7 @@ check_func_headers glob.h glob
check_header dlfcn.h
check_header dxva.h
check_header dxva2api.h -D_WIN32_WINNT=0x0600
check_header io.h
check_header libcrystalhd/libcrystalhd_if.h
check_header malloc.h
check_header poll.h

4
libavformat/file.c
View File

@ -22,10 +22,12 @@
#include "libavutil/avstring.h"
#include "avformat.h"
#include <fcntl.h>
#if HAVE_SETMODE
#if HAVE_IO_H
#include <io.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/stat.h>
#include <stdlib.h>
#include "os_support.h"