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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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3
libavutil/error.h
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@@ -60,7 +60,8 @@
/**
* Puts a description of the AVERROR code errnum in errbuf.
* In case of failure the global variable errno is set to indicate the
* error.
* error. Even in case of failure av_strerror() will print a generic
* error message indicating the errnum provided to errbuf.
*
* @param errbuf_size the size in bytes of errbuf
* @return 0 on success, a negative value otherwise