Fix all -Wformat warnings raised by DJGPP
[ffmpeg.git] / libavutil / error.c
index 1d944eb..b963048 100644 (file)
  */
 
 #undef _GNU_SOURCE
+#define _XOPEN_SOURCE 600 /* XSI-compliant version of strerror_r */
 #include "avutil.h"
 #include "avstring.h"
+#include "common.h"
+
+struct error_entry {
+    int num;
+    const char *tag;
+    const char *str;
+};
+
+#define ERROR_TAG(tag) AVERROR_##tag, #tag
+#define EERROR_TAG(tag) AVERROR(tag), #tag
+#define AVERROR_INPUT_AND_OUTPUT_CHANGED (AVERROR_INPUT_CHANGED | AVERROR_OUTPUT_CHANGED)
+static const struct error_entry error_entries[] = {
+    { ERROR_TAG(BSF_NOT_FOUND),      "Bitstream filter not found"                     },
+    { ERROR_TAG(BUG),                "Internal bug, should not have happened"         },
+    { ERROR_TAG(BUG2),               "Internal bug, should not have happened"         },
+    { ERROR_TAG(BUFFER_TOO_SMALL),   "Buffer too small"                               },
+    { ERROR_TAG(DECODER_NOT_FOUND),  "Decoder not found"                              },
+    { ERROR_TAG(DEMUXER_NOT_FOUND),  "Demuxer not found"                              },
+    { ERROR_TAG(ENCODER_NOT_FOUND),  "Encoder not found"                              },
+    { ERROR_TAG(EOF),                "End of file"                                    },
+    { ERROR_TAG(EXIT),               "Immediate exit requested"                       },
+    { ERROR_TAG(EXTERNAL),           "Generic error in an external library"           },
+    { ERROR_TAG(FILTER_NOT_FOUND),   "Filter not found"                               },
+    { ERROR_TAG(INPUT_CHANGED),      "Input changed"                                  },
+    { ERROR_TAG(INVALIDDATA),        "Invalid data found when processing input"       },
+    { ERROR_TAG(MUXER_NOT_FOUND),    "Muxer not found"                                },
+    { ERROR_TAG(OPTION_NOT_FOUND),   "Option not found"                               },
+    { ERROR_TAG(OUTPUT_CHANGED),     "Output changed"                                 },
+    { ERROR_TAG(PATCHWELCOME),       "Not yet implemented in FFmpeg, patches welcome" },
+    { ERROR_TAG(PROTOCOL_NOT_FOUND), "Protocol not found"                             },
+    { ERROR_TAG(STREAM_NOT_FOUND),   "Stream not found"                               },
+    { ERROR_TAG(UNKNOWN),            "Unknown error occurred"                         },
+    { ERROR_TAG(EXPERIMENTAL),       "Experimental feature"                           },
+    { ERROR_TAG(INPUT_AND_OUTPUT_CHANGED), "Input and output changed"                 },
+    { ERROR_TAG(HTTP_BAD_REQUEST),   "Server returned 400 Bad Request"         },
+    { ERROR_TAG(HTTP_UNAUTHORIZED),  "Server returned 401 Unauthorized (authorization failed)" },
+    { ERROR_TAG(HTTP_FORBIDDEN),     "Server returned 403 Forbidden (access denied)" },
+    { ERROR_TAG(HTTP_NOT_FOUND),     "Server returned 404 Not Found"           },
+    { ERROR_TAG(HTTP_OTHER_4XX),     "Server returned 4XX Client Error, but not one of 40{0,1,3,4}" },
+    { ERROR_TAG(HTTP_SERVER_ERROR),  "Server returned 5XX Server Error reply" },
+#if !HAVE_STRERROR_R
+    { EERROR_TAG(E2BIG),             "Argument list too long" },
+    { EERROR_TAG(EACCES),            "Permission denied" },
+    { EERROR_TAG(EAGAIN),            "Resource temporarily unavailable" },
+    { EERROR_TAG(EBADF),             "Bad file descriptor" },
+    { EERROR_TAG(EBUSY),             "Device or resource busy" },
+    { EERROR_TAG(ECHILD),            "No child processes" },
+    { EERROR_TAG(EDEADLK),           "Resource deadlock avoided" },
+    { EERROR_TAG(EDOM),              "Numerical argument out of domain" },
+    { EERROR_TAG(EEXIST),            "File exists" },
+    { EERROR_TAG(EFAULT),            "Bad address" },
+    { EERROR_TAG(EFBIG),             "File too large" },
+    { EERROR_TAG(EILSEQ),            "Illegal byte sequence" },
+    { EERROR_TAG(EINTR),             "Interrupted system call" },
+    { EERROR_TAG(EINVAL),            "Invalid argument" },
+    { EERROR_TAG(EIO),               "I/O error" },
+    { EERROR_TAG(EISDIR),            "Is a directory" },
+    { EERROR_TAG(EMFILE),            "Too many open files" },
+    { EERROR_TAG(EMLINK),            "Too many links" },
+    { EERROR_TAG(ENAMETOOLONG),      "File name too long" },
+    { EERROR_TAG(ENFILE),            "Too many open files in system" },
+    { EERROR_TAG(ENODEV),            "No such device" },
+    { EERROR_TAG(ENOENT),            "No such file or directory" },
+    { EERROR_TAG(ENOEXEC),           "Exec format error" },
+    { EERROR_TAG(ENOLCK),            "No locks available" },
+    { EERROR_TAG(ENOMEM),            "Cannot allocate memory" },
+    { EERROR_TAG(ENOSPC),            "No space left on device" },
+    { EERROR_TAG(ENOSYS),            "Function not implemented" },
+    { EERROR_TAG(ENOTDIR),           "Not a directory" },
+    { EERROR_TAG(ENOTEMPTY),         "Directory not empty" },
+    { EERROR_TAG(ENOTTY),            "Inappropriate I/O control operation" },
+    { EERROR_TAG(ENXIO),             "No such device or address" },
+    { EERROR_TAG(EPERM),             "Operation not permitted" },
+    { EERROR_TAG(EPIPE),             "Broken pipe" },
+    { EERROR_TAG(ERANGE),            "Result too large" },
+    { EERROR_TAG(EROFS),             "Read-only file system" },
+    { EERROR_TAG(ESPIPE),            "Illegal seek" },
+    { EERROR_TAG(ESRCH),             "No such process" },
+    { EERROR_TAG(EXDEV),             "Cross-device link" },
+#endif
+};
 
 int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
 {
-    int ret = 0;
-    const char *errstr = NULL;
+    int ret = 0, i;
+    const struct error_entry *entry = NULL;
 
-    switch (errnum) {
-    case AVERROR_BSF_NOT_FOUND:     errstr = "Bitstream filter not found"                   ; break;
-    case AVERROR_BUG2:
-    case AVERROR_BUG:               errstr = "Internal bug, should not have happened"       ; break;
-    case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found"                            ; break;
-    case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found"                            ; break;
-    case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found"                            ; break;
-    case AVERROR_EOF:               errstr = "End of file"                                  ; break;
-    case AVERROR_EXIT:              errstr = "Immediate exit requested"                     ; break;
-    case AVERROR_FILTER_NOT_FOUND:  errstr = "Filter not found"                             ; break;
-    case AVERROR_INVALIDDATA:       errstr = "Invalid data found when processing input"     ; break;
-    case AVERROR_MUXER_NOT_FOUND:   errstr = "Muxer not found"                              ; break;
-    case AVERROR_OPTION_NOT_FOUND:  errstr = "Option not found"                             ; break;
-    case AVERROR_PATCHWELCOME:      errstr = "Not yet implemented in FFmpeg, patches welcome"; break;
-    case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found"                           ; break;
-    case AVERROR_STREAM_NOT_FOUND:  errstr = "Stream not found"                             ; break;
+    for (i = 0; i < FF_ARRAY_ELEMS(error_entries); i++) {
+        if (errnum == error_entries[i].num) {
+            entry = &error_entries[i];
+            break;
+        }
     }
-
-    if (errstr) {
-        av_strlcpy(errbuf, errstr, errbuf_size);
+    if (entry) {
+        av_strlcpy(errbuf, entry->str, errbuf_size);
     } else {
 #if HAVE_STRERROR_R
-        ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);
+        ret = AVERROR(strerror_r(AVUNERROR(errnum), errbuf, errbuf_size));
 #else
         ret = -1;
 #endif