[SCM] libav/experimental: Fix av_file_map(): replace stat(filename, &st) with fstat(fd, &st).
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 17:20:45 UTC 2013
The following commit has been merged in the experimental branch:
commit f02cbc4590b31de98b97d376686be148d078143d
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date: Wed Dec 22 16:16:31 2010 +0000
Fix av_file_map(): replace stat(filename, &st) with fstat(fd, &st).
The file might be replaced between open() and stat().
Spotted by Mans.
Originally committed as revision 26075 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavutil/file.c b/libavutil/file.c
index b325149..1ccb692 100644
--- a/libavutil/file.c
+++ b/libavutil/file.c
@@ -54,10 +54,10 @@ int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
return err;
}
- if (stat(filename, &st) < 0) {
+ if (fstat(fd, &st) < 0) {
err = AVERROR(errno);
av_strerror(err, errbuf, sizeof(errbuf));
- av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in lstat(): %s\n", errbuf);
+ av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in fstat(): %s\n", errbuf);
close(fd);
return err;
}
--
Libav/FFmpeg packaging
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