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Fix av_file_map(): replace stat(filename, &st) with fstat(fd, &st).
author
Stefano Sabatini
<stefano.sabatini-lala@poste.it>
Wed, 22 Dec 2010 16:16:31 +0000
(16:16 +0000)
committer
Stefano Sabatini
<stefano.sabatini-lala@poste.it>
Wed, 22 Dec 2010 16:16:31 +0000
(16:16 +0000)
The file might be replaced between open() and stat().
Spotted by Mans.
Originally committed as revision 26075 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavutil/file.c
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diff --git
a/libavutil/file.c
b/libavutil/file.c
index
b325149
..
1ccb692
100644
(file)
--- 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
l
stat(): %s\n", errbuf);
+ av_log(&file_log_ctx, AV_LOG_ERROR, "Error occurred in
f
stat(): %s\n", errbuf);
close(fd);
return err;
}