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https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
Implement av_strerror().
Originally committed as revision 22684 to svn://svn.ffmpeg.org/ffmpeg/trunk
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parent
0394c928db
commit
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2
configure
vendored
2
configure
vendored
@ -1074,6 +1074,7 @@ HAVE_LIST="
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soundcard_h
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poll_h
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setrlimit
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strerror_r
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struct_addrinfo
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struct_ipv6_mreq
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struct_sockaddr_in6
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@ -2531,6 +2532,7 @@ check_func ${malloc_prefix}memalign && enable memalign
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check_func mkstemp
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check_func ${malloc_prefix}posix_memalign && enable posix_memalign
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check_func setrlimit
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check_func strerror_r
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check_func_headers io.h setmode
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check_func_headers lzo/lzo1x.h lzo1x_999_compress
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check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
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@ -30,6 +30,7 @@ OBJS = adler32.o \
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base64.o \
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crc.o \
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des.o \
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error.o \
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fifo.o \
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intfloat_readwrite.o \
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lfg.o \
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@ -40,7 +40,7 @@
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#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
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#define LIBAVUTIL_VERSION_MAJOR 50
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#define LIBAVUTIL_VERSION_MINOR 12
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#define LIBAVUTIL_VERSION_MINOR 13
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#define LIBAVUTIL_VERSION_MICRO 0
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#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
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46
libavutil/error.c
Normal file
46
libavutil/error.c
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@ -0,0 +1,46 @@
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avutil.h"
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#include "avstring.h"
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int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
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{
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int ret = 0;
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const char *errstr = NULL;
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switch (errnum) {
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case AVERROR_EOF: errstr = "End of file"; break;
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case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input"; break;
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case AVERROR_NOTSUPP: errstr = "Operation not supported"; break;
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case AVERROR_NUMEXPECTED: errstr = "Number syntax expected in filename"; break;
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case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in FFmpeg, patches welcome"; break;
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}
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if (errstr) {
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av_strlcpy(errbuf, errstr, errbuf_size);
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} else {
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#if HAVE_STRERROR_R
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ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);
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#else
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snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
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#endif
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}
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return ret;
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}
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@ -57,4 +57,14 @@
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#define AVERROR_NUMEXPECTED (-MKTAG('N','U','E','X')) ///< Number syntax expected in filename
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#endif
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/**
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* Puts a description of the AVERROR code errnum in errbuf.
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* In case of failure the global variable errno is set to indicate the
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* error.
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*
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* @param errbuf_size the size in bytes of errbuf
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* @return 0 on success, a negative value otherwise
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*/
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int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
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#endif /* AVUTIL_ERROR_H */
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