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file: Add S_ISFIFO compatability macro

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Not all systems have S_ISFIFO.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Derek Buitenhuis 2012-09-07 09:45:09 -04:00 committed by Michael Niedermayer
parent 44f83930d9
commit 16c03f2e91
1 changed files with 8 additions and 0 deletions

8
libavformat/file.c

@ -33,6 +33,14 @@
#include "os_support.h" #include "os_support.h"
#include "url.h" #include "url.h"
/* Some systems may not have S_ISFIFO */
#ifndef S_ISFIFO
# ifdef S_IFIFO
# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
# else
# define S_ISFIFO(m) 0
# endif
#endif
/* standard file protocol */ /* standard file protocol */