lavu: add AVERROR_BUG error value
[libav.git] / libavutil / error.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "avutil.h"
20 #include "avstring.h"
21
22 int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
23 {
24 int ret = 0;
25 const char *errstr = NULL;
26
27 switch (errnum) {
28 case AVERROR_BSF_NOT_FOUND: errstr = "Bitstream filter not found" ; break;
29 case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found" ; break;
30 case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found" ; break;
31 case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found" ; break;
32 case AVERROR_EOF: errstr = "End of file" ; break;
33 case AVERROR_EXIT: errstr = "Immediate exit requested" ; break;
34 case AVERROR_FILTER_NOT_FOUND: errstr = "Filter not found" ; break;
35 case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input" ; break;
36 case AVERROR_MUXER_NOT_FOUND: errstr = "Muxer not found" ; break;
37 case AVERROR_OPTION_NOT_FOUND: errstr = "Option not found" ; break;
38 case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in Libav, patches welcome"; break;
39 case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found" ; break;
40 case AVERROR_STREAM_NOT_FOUND: errstr = "Stream not found" ; break;
41 case AVERROR_BUG: errstr = "Bug detected, please report the issue" ; break;
42 }
43
44 if (errstr) {
45 av_strlcpy(errbuf, errstr, errbuf_size);
46 } else {
47 #if HAVE_STRERROR_R
48 ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);
49 #else
50 ret = -1;
51 #endif
52 if (ret < 0)
53 snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
54 }
55
56 return ret;
57 }