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comparison libavutil/error.h @ 9:ea1ba68cf0ed

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update to match api changes + add sscc produced source
author Nina Engelhardt <nengel@mailbox.tu-berlin.de>
date Wed, 05 Jun 2013 14:43:26 +0200
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1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 /**
20 * @file
21 * error code definitions
22 */
23
24 #ifndef AVUTIL_ERROR_H
25 #define AVUTIL_ERROR_H
26
27 #include <errno.h>
28 #include "common.h"
29
30 /* error handling */
31 #if EDOM > 0
32 #define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions.
33 #define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value.
34 #else
35 /* Some platforms have E* and errno already negated. */
36 #define AVERROR(e) (e)
37 #define AVUNERROR(e) (e)
38 #endif
39
40 #define AVERROR_EOF AVERROR(EPIPE) ///< End of file
41
42
43 /**
44 * Puts a description of the AVERROR code errnum in errbuf.
45 * In case of failure the global variable errno is set to indicate the
46 * error.
47 *
48 * @param errbuf_size the size in bytes of errbuf
49 * @return 0 on success, a negative value otherwise
50 */
51 int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
52
53 #endif /* AVUTIL_ERROR_H */