| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 | #undef _GNU_SOURCE | ||
| 20 | #define _XOPEN_SOURCE 600 /* XSI-compliant version of strerror_r */ | ||
| 21 | #include <stdio.h> | ||
| 22 | #include <string.h> | ||
| 23 | #include "config.h" | ||
| 24 | #include "avstring.h" | ||
| 25 | #include "error.h" | ||
| 26 | #include "macros.h" | ||
| 27 | |||
| 28 | struct error_entry { | ||
| 29 | int num; | ||
| 30 | const char *tag; | ||
| 31 | const char *str; | ||
| 32 | }; | ||
| 33 | |||
| 34 | #define ERROR_TAG(tag) AVERROR_##tag, #tag | ||
| 35 | #define EERROR_TAG(tag) AVERROR(tag), #tag | ||
| 36 | #define AVERROR_INPUT_AND_OUTPUT_CHANGED (AVERROR_INPUT_CHANGED | AVERROR_OUTPUT_CHANGED) | ||
| 37 | static const struct error_entry error_entries[] = { | ||
| 38 | { ERROR_TAG(BSF_NOT_FOUND), "Bitstream filter not found" }, | ||
| 39 | { ERROR_TAG(BUG), "Internal bug, should not have happened" }, | ||
| 40 | { ERROR_TAG(BUG2), "Internal bug, should not have happened" }, | ||
| 41 | { ERROR_TAG(BUFFER_TOO_SMALL), "Buffer too small" }, | ||
| 42 | { ERROR_TAG(DECODER_NOT_FOUND), "Decoder not found" }, | ||
| 43 | { ERROR_TAG(DEMUXER_NOT_FOUND), "Demuxer not found" }, | ||
| 44 | { ERROR_TAG(ENCODER_NOT_FOUND), "Encoder not found" }, | ||
| 45 | { ERROR_TAG(EOF), "End of file" }, | ||
| 46 | { ERROR_TAG(EXIT), "Immediate exit requested" }, | ||
| 47 | { ERROR_TAG(EXTERNAL), "Generic error in an external library" }, | ||
| 48 | { ERROR_TAG(FILTER_NOT_FOUND), "Filter not found" }, | ||
| 49 | { ERROR_TAG(INPUT_CHANGED), "Input changed" }, | ||
| 50 | { ERROR_TAG(INVALIDDATA), "Invalid data found when processing input" }, | ||
| 51 | { ERROR_TAG(MUXER_NOT_FOUND), "Muxer not found" }, | ||
| 52 | { ERROR_TAG(OPTION_NOT_FOUND), "Option not found" }, | ||
| 53 | { ERROR_TAG(OUTPUT_CHANGED), "Output changed" }, | ||
| 54 | { ERROR_TAG(PATCHWELCOME), "Not yet implemented in FFmpeg, patches welcome" }, | ||
| 55 | { ERROR_TAG(PROTOCOL_NOT_FOUND), "Protocol not found" }, | ||
| 56 | { ERROR_TAG(STREAM_NOT_FOUND), "Stream not found" }, | ||
| 57 | { ERROR_TAG(UNKNOWN), "Unknown error occurred" }, | ||
| 58 | { ERROR_TAG(EXPERIMENTAL), "Experimental feature" }, | ||
| 59 | { ERROR_TAG(INPUT_AND_OUTPUT_CHANGED), "Input and output changed" }, | ||
| 60 | { ERROR_TAG(HTTP_BAD_REQUEST), "Server returned 400 Bad Request" }, | ||
| 61 | { ERROR_TAG(HTTP_UNAUTHORIZED), "Server returned 401 Unauthorized (authorization failed)" }, | ||
| 62 | { ERROR_TAG(HTTP_FORBIDDEN), "Server returned 403 Forbidden (access denied)" }, | ||
| 63 | { ERROR_TAG(HTTP_NOT_FOUND), "Server returned 404 Not Found" }, | ||
| 64 | { ERROR_TAG(HTTP_TOO_MANY_REQUESTS), "Server returned 429 Too Many Requests" }, | ||
| 65 | { ERROR_TAG(HTTP_OTHER_4XX), "Server returned 4XX Client Error, but not one of 40{0,1,3,4}" }, | ||
| 66 | { ERROR_TAG(HTTP_SERVER_ERROR), "Server returned 5XX Server Error reply" }, | ||
| 67 | #if !HAVE_STRERROR_R | ||
| 68 | { EERROR_TAG(E2BIG), "Argument list too long" }, | ||
| 69 | { EERROR_TAG(EACCES), "Permission denied" }, | ||
| 70 | { EERROR_TAG(EAGAIN), "Resource temporarily unavailable" }, | ||
| 71 | { EERROR_TAG(EBADF), "Bad file descriptor" }, | ||
| 72 | { EERROR_TAG(EBUSY), "Device or resource busy" }, | ||
| 73 | { EERROR_TAG(ECHILD), "No child processes" }, | ||
| 74 | { EERROR_TAG(EDEADLK), "Resource deadlock avoided" }, | ||
| 75 | { EERROR_TAG(EDOM), "Numerical argument out of domain" }, | ||
| 76 | { EERROR_TAG(EEXIST), "File exists" }, | ||
| 77 | { EERROR_TAG(EFAULT), "Bad address" }, | ||
| 78 | { EERROR_TAG(EFBIG), "File too large" }, | ||
| 79 | { EERROR_TAG(EILSEQ), "Illegal byte sequence" }, | ||
| 80 | { EERROR_TAG(EINTR), "Interrupted system call" }, | ||
| 81 | { EERROR_TAG(EINVAL), "Invalid argument" }, | ||
| 82 | { EERROR_TAG(EIO), "I/O error" }, | ||
| 83 | { EERROR_TAG(EISDIR), "Is a directory" }, | ||
| 84 | { EERROR_TAG(EMFILE), "Too many open files" }, | ||
| 85 | { EERROR_TAG(EMLINK), "Too many links" }, | ||
| 86 | { EERROR_TAG(ENAMETOOLONG), "File name too long" }, | ||
| 87 | { EERROR_TAG(ENFILE), "Too many open files in system" }, | ||
| 88 | { EERROR_TAG(ENODEV), "No such device" }, | ||
| 89 | { EERROR_TAG(ENOENT), "No such file or directory" }, | ||
| 90 | { EERROR_TAG(ENOEXEC), "Exec format error" }, | ||
| 91 | { EERROR_TAG(ENOLCK), "No locks available" }, | ||
| 92 | { EERROR_TAG(ENOMEM), "Cannot allocate memory" }, | ||
| 93 | { EERROR_TAG(ENOSPC), "No space left on device" }, | ||
| 94 | { EERROR_TAG(ENOSYS), "Function not implemented" }, | ||
| 95 | { EERROR_TAG(ENOTDIR), "Not a directory" }, | ||
| 96 | { EERROR_TAG(ENOTEMPTY), "Directory not empty" }, | ||
| 97 | { EERROR_TAG(ENOTTY), "Inappropriate I/O control operation" }, | ||
| 98 | { EERROR_TAG(ENXIO), "No such device or address" }, | ||
| 99 | { EERROR_TAG(EPERM), "Operation not permitted" }, | ||
| 100 | { EERROR_TAG(EPIPE), "Broken pipe" }, | ||
| 101 | { EERROR_TAG(ERANGE), "Result too large" }, | ||
| 102 | { EERROR_TAG(EROFS), "Read-only file system" }, | ||
| 103 | { EERROR_TAG(ESPIPE), "Illegal seek" }, | ||
| 104 | { EERROR_TAG(ESRCH), "No such process" }, | ||
| 105 | { EERROR_TAG(EXDEV), "Cross-device link" }, | ||
| 106 | #endif | ||
| 107 | }; | ||
| 108 | |||
| 109 | 592 | int av_strerror(int errnum, char *errbuf, size_t errbuf_size) | |
| 110 | { | ||
| 111 | 592 | int ret = 0, i; | |
| 112 | 592 | const struct error_entry *entry = NULL; | |
| 113 | |||
| 114 |
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10474 | for (i = 0; i < FF_ARRAY_ELEMS(error_entries); i++) { |
| 115 |
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10310 | if (errnum == error_entries[i].num) { |
| 116 | 428 | entry = &error_entries[i]; | |
| 117 | 428 | break; | |
| 118 | } | ||
| 119 | } | ||
| 120 |
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592 | if (entry) { |
| 121 | 428 | av_strlcpy(errbuf, entry->str, errbuf_size); | |
| 122 | } else { | ||
| 123 | #if HAVE_STRERROR_R | ||
| 124 | 164 | ret = AVERROR(strerror_r(AVUNERROR(errnum), errbuf, errbuf_size)); | |
| 125 | #else | ||
| 126 | ret = -1; | ||
| 127 | #endif | ||
| 128 |
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164 | if (ret < 0) |
| 129 | 2 | snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum); | |
| 130 | } | ||
| 131 | |||
| 132 | 592 | return ret; | |
| 133 | } | ||
| 134 |