mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
441ea0ce91
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
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "avutil.h"
|
|
#include "avstring.h"
|
|
|
|
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
|
|
{
|
|
int ret = 0;
|
|
const char *errstr = NULL;
|
|
|
|
switch (errnum) {
|
|
case AVERROR_EOF: errstr = "End of file"; break;
|
|
case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input"; break;
|
|
case AVERROR_NUMEXPECTED: errstr = "Number syntax expected in filename"; break;
|
|
case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in FFmpeg, patches welcome"; break;
|
|
}
|
|
|
|
if (errstr) {
|
|
av_strlcpy(errbuf, errstr, errbuf_size);
|
|
} else {
|
|
#if HAVE_STRERROR_R
|
|
ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);
|
|
#endif
|
|
if (!HAVE_STRERROR_R || ret < 0)
|
|
snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
|
|
}
|
|
|
|
return ret;
|
|
}
|