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Make av_strerror() print an error message mentioning the error code

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number if strerror_r() did not succeed for whatever reason.

This avoids the need for the application to fill the string in case
strerror_r() fails, for example because the error code is not known.

Originally committed as revision 23015 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
2010-05-03 21:56:21 +00:00
parent 17d5959998
commit 441ea0ce91
2 changed files with 4 additions and 3 deletions
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4
libavutil/error.c
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@@ -36,9 +36,9 @@ int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
} else {
#if HAVE_STRERROR_R
ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);
#else
snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
#endif
if (!HAVE_STRERROR_R || ret < 0)
snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
}
return ret;