Add missing includes to libavutil/error.h
[libav.git] / libavutil / error.h
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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 libavutil/error.h
21 * error code definitions
22 */
23
24#ifndef AVUTIL_ERROR_H
25#define AVUTIL_ERROR_H
26
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27#include <errno.h>
28#include "avutil.h"
29
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30/* error handling */
31#if EINVAL > 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
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39
40#if LIBAVUTIL_VERSION_MAJOR < 51
5ae092ee 41#define AVERROR_IO AVERROR(EIO) /**< I/O error */
c6a7b97c 42#define AVERROR_NOENT AVERROR(ENOENT) /**< No such file or directory. */
7c074320 43#define AVERROR_NOMEM AVERROR(ENOMEM) /**< not enough memory */
73ddbd9d 44#define AVERROR_NUMEXPECTED AVERROR(EDOM) /**< Number syntax expected in filename. */
9b359f51 45#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */
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46#endif
47
9b359f51 48#define AVERROR_EOF AVERROR(EPIPE) /**< End of file. */
60c144f7 49#define AVERROR_INVALIDDATA AVERROR(EINVAL) /**< invalid data found */
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50#define AVERROR_NOFMT AVERROR(EILSEQ) /**< unknown format */
51#define AVERROR_NOTSUPP AVERROR(ENOSYS) /**< Operation not supported. */
9b359f51 52
dbfa5e78 53#define AVERROR_PATCHWELCOME (-MKTAG('P','A','W','E')) /**< Not yet implemented in FFmpeg. Patches welcome. */
60c144f7 54
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55#if LIBAVUTIL_VERSION_MAJOR > 50
56#define AVERROR_NUMEXPECTED (-MKTAG('N','U','E','X')) /**< Number syntax expected in filename. */
57#endif
58
60c144f7 59#endif /* AVUTIL_ERROR_H */