diff options
Diffstat (limited to 'libavutil/error.c')
-rw-r--r-- | libavutil/error.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libavutil/error.c b/libavutil/error.c new file mode 100644 index 0000000000..88d9ad6e8b --- /dev/null +++ b/libavutil/error.c @@ -0,0 +1,46 @@ +/* + * 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_NOTSUPP: errstr = "Operation not supported"; 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); +#else + snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum); +#endif + } + + return ret; +} |