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avformat/file: guard fd_dup by FD_PROTOCOL or PIPE_PROTOCOL 

fd_dup is unused when fd and pipe have been disabled. This also
fix build error with wasi since 'dup' isn't available.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2024-06-30 18:33:19 +08:00
parent e713a2d85d
commit cb9c98da16
1 changed files with 2 additions and 0 deletions
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2
libavformat/file.c
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@ -193,6 +193,7 @@ static int file_check(URLContext *h, int mask)
return ret; return ret;
} }
#if CONFIG_FD_PROTOCOL || CONFIG_PIPE_PROTOCOL
static int fd_dup(URLContext *h, int oldfd) static int fd_dup(URLContext *h, int oldfd)
{ {
int newfd; int newfd;
@ -215,6 +216,7 @@ static int fd_dup(URLContext *h, int oldfd)
#endif #endif
return newfd; return newfd;
} }
#endif
static int file_close(URLContext *h) static int file_close(URLContext *h)
{ {