X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=error.h;h=f119b87ec828b0d99a1dcddd6ff2f85dbb244b2f;hp=fe44ff5c50487744881ea1d21d1007528a2ecd70;hb=HEAD;hpb=e2ad488f4d30b6d9617702b8ce868ed7c55a4247

diff --git a/error.h b/error.h
index fe44ff5c..8805c9c7 100644
--- a/error.h
+++ b/error.h
@@ -2,6 +2,7 @@
 
 /** \file error.h List of error codes and messages. */
 
+/** \cond para_error */
 /** Codes and messages. */
 #define PARA_ERRORS \
 	PARA_ERROR(SUCCESS, "success"), \
@@ -13,31 +14,26 @@
 	PARA_ERROR(AFS_SHORT_READ, "short read from afs socket"), \
 	PARA_ERROR(AFS_SIGNAL, "afs caught deadly signal"), \
 	PARA_ERROR(AFS_SOCKET, "afs socket not writable"), \
-	PARA_ERROR(AFT_SYNTAX, "audio file table syntax error"), \
 	PARA_ERROR(ALSA, "alsa error"), \
 	PARA_ERROR(ALSA_MIX_GET_VAL, "could not read control element state"), \
 	PARA_ERROR(ALSA_MIX_OPEN, "could not open mixer"), \
 	PARA_ERROR(ALSA_MIX_RANGE, "value control element out of range"), \
 	PARA_ERROR(ALSA_MIX_SET_VAL, "could not set control element state"), \
-	PARA_ERROR(AMP_EOF, "amp: end of file"), \
 	PARA_ERROR(AMP_ZERO_AMP, "no amplification necessary"), \
 	PARA_ERROR(AO_APPEND_OPTION, "ao append option: memory allocation failure"), \
 	PARA_ERROR(AO_BAD_DRIVER, "ao: invalid driver"), \
 	PARA_ERROR(AO_BAD_OPTION, "ao option is not of type key:value"), \
 	PARA_ERROR(AO_DEFAULT_DRIVER, "ao: no usable output device"), \
-	PARA_ERROR(AO_EOF, "ao: end of file"), \
 	PARA_ERROR(AO_FILE_NOT_SUPP, "ao: file io drivers not supported"), \
 	PARA_ERROR(AO_OPEN_LIVE, "ao: could not open audio device"), \
 	PARA_ERROR(AO_PLAY, "ao_play() failed"), \
 	PARA_ERROR(AO_PTHREAD, "pthread error"), \
-	PARA_ERROR(ARG_NOT_FOUND, "argument not found in arg vector"), \
 	PARA_ERROR(ASN1_PARSE, "could not parse ASN.1 key"), \
 	PARA_ERROR(ATOI_JUNK_AT_END, "further characters after number"), \
 	PARA_ERROR(ATOI_NO_DIGITS, "no digits found in string"), \
 	PARA_ERROR(ATOI_OVERFLOW, "value too large"), \
 	PARA_ERROR(ATTR_SYNTAX, "attribute syntax error"), \
 	PARA_ERROR(ATT_TABLE_FULL, "no more space left in attribute table"), \
-	PARA_ERROR(AUDIOC_EOF, "audioc: end of file"), \
 	PARA_ERROR(AUDIOD_OFF, "audiod switched off"), \
 	PARA_ERROR(AUDIOD_SIGNAL, "caught deadly signal"), \
 	PARA_ERROR(AUDIOD_TERM, "terminating on user request"), \
@@ -52,7 +48,7 @@
 	PARA_ERROR(BAD_CT, "invalid chunk table or bad FEC configuration"), \
 	PARA_ERROR(BAD_FEATURE, "invalid feature request"), \
 	PARA_ERROR(BAD_FEC_HEADER, "invalid fec header"), \
-	PARA_ERROR(BAD_LL, "invalid loglevel"), \
+	PARA_ERROR(BAD_MOP, "invalid mood or playlist"), \
 	PARA_ERROR(BAD_PATH, "invalid path"), \
 	PARA_ERROR(BAD_PRIVATE_KEY, "invalid private key"), \
 	PARA_ERROR(BAD_SAMPLE_FORMAT, "sample format not supported"), \
@@ -66,7 +62,6 @@
 	PARA_ERROR(BIGNUM, "bignum error"), \
 	PARA_ERROR(BLINDING, "failed to activate key blinding"), \
 	PARA_ERROR(BLOB_SYNTAX, "blob syntax error"), \
-	PARA_ERROR(BTR_EOF, "buffer tree: end of file"), \
 	PARA_ERROR(BTR_NAVAIL, "btr node: value currently unavailable"), \
 	PARA_ERROR(BTR_NO_CHILD, "btr node has no children"), \
 	PARA_ERROR(CHILD_CONTEXT, "now running in child context"), \
@@ -74,7 +69,6 @@
 	PARA_ERROR(CLIENT_SYNTAX, "syntax error"), \
 	PARA_ERROR(CLIENT_WRITE, "client write error"), \
 	PARA_ERROR(COMMAND_SYNTAX, "syntax error in command"), \
-	PARA_ERROR(COMPRESS_EOF, "compress: end of file"), \
 	PARA_ERROR(CREATE_OPUS_DECODER, "could not create opus decoder"), \
 	PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \
 	PARA_ERROR(DECRYPT, "decrypt error"), \
@@ -85,7 +79,6 @@
 	PARA_ERROR(EOF, "end of file"), \
 	PARA_ERROR(EOP, "end of playlist"), \
 	PARA_ERROR(FEC_BAD_IDX, "invalid index vector"), \
-	PARA_ERROR(FECDEC_EOF, "received eof packet"), \
 	PARA_ERROR(FECDEC_OVERRUN, "fecdec output buffer overrun"), \
 	PARA_ERROR(FEC_PARMS, "invalid fec parameters"), \
 	PARA_ERROR(FEC_PIVOT, "pivot column not found"), \
@@ -98,7 +91,6 @@
 	PARA_ERROR(FLAC_CHAIN_READ, "could not read meta chain"), \
 	PARA_ERROR(FLACDEC_DECODER_ALLOC, "could not allocate stream decoder"), \
 	PARA_ERROR(FLACDEC_DECODER_INIT, "could not init stream decoder"), \
-	PARA_ERROR(FLACDEC_EOF, "flacdec encountered end of file condition"), \
 	PARA_ERROR(FLAC_DECODE_POS, "could not get decode position"), \
 	PARA_ERROR(FLAC_ITER_ALLOC, "could not allocate meta iterator"), \
 	PARA_ERROR(FLAC_REPLACE_COMMENT, "could not replace vorbis comment"), \
@@ -116,7 +108,6 @@
 	PARA_ERROR(HEADER_BITRATE, "invalid header bitrate"), \
 	PARA_ERROR(HEADER_FREQ, "invalid header frequency"), \
 	PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: output buffer overrun"), \
-	PARA_ERROR(I9E_EOF, "end of input"), \
 	PARA_ERROR(I9E_SETUPTERM, "failed to set up terminal"), \
 	PARA_ERROR(I9E_TERM_RQ, "received termination request"), \
 	PARA_ERROR(ID3_ATTACH, "could not attach id3 frame"), \
@@ -133,19 +124,16 @@
 	PARA_ERROR(MAKESOCK, "makesock error"), \
 	PARA_ERROR(MAX_CLIENTS, "maximal number of clients exceeded"), \
 	PARA_ERROR(MISSING_COLON, "syntax error: missing colon"), \
-	PARA_ERROR(MOOD_SYNTAX, "mood syntax error"), \
 	PARA_ERROR(MOOD_PARSE, "mood parse error"), \
 	PARA_ERROR(MP3DEC_CORRUPT, "too many corrupt frames"), \
-	PARA_ERROR(MP3DEC_EOF, "mp3dec: end of file"), \
 	PARA_ERROR(MP3_INFO, "could not read mp3 info"), \
-	PARA_ERROR(MP4FF_BAD_CHANNEL_COUNT, "mp4ff: invalid number of channels"), \
-	PARA_ERROR(MP4FF_BAD_SAMPLE, "mp4ff: invalid sample number"), \
-	PARA_ERROR(MP4FF_BAD_SAMPLERATE, "mp4ff: invalid sample rate"), \
-	PARA_ERROR(MP4FF_BAD_SAMPLE_COUNT, "mp4ff: invalid number of samples"), \
-	PARA_ERROR(MP4FF_META_READ, "mp4ff: could not read mp4 metadata"), \
-	PARA_ERROR(MP4FF_META_WRITE, "mp4ff: could not update mp4 metadata"), \
-	PARA_ERROR(MP4FF_OPEN, "mp4ff: open failed"), \
-	PARA_ERROR(MP4FF_TRACK, "mp4ff: no audio track"), \
+	PARA_ERROR(MP4_READ, "mp4: read error or unexpected end of file"), \
+	PARA_ERROR(MP4_CORRUPT, "invalid/corrupt mp4 file"), \
+	PARA_ERROR(MP4_BAD_SAMPLE, "mp4: invalid sample number"), \
+	PARA_ERROR(MP4_BAD_SAMPLERATE, "mp4: invalid sample rate"), \
+	PARA_ERROR(MP4_BAD_SAMPLE_COUNT, "mp4: invalid number of samples"), \
+	PARA_ERROR(MP4_TRACK, "mp4: no audio track"), \
+	PARA_ERROR(MP4_MISSING_ATOM, "mp4: essential atom not found"), \
 	PARA_ERROR(MPI_SCAN, "could not scan multi-precision integer"), \
 	PARA_ERROR(NAME_TOO_LONG, "name too long for struct sockaddr_un"), \
 	PARA_ERROR(NO_AFHI, "audio format handler info required"), \
@@ -153,7 +141,6 @@
 	PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \
 	PARA_ERROR(NOFD, "did not receive open fd from afs"), \
 	PARA_ERROR(NO_MATCH, "no matches"), \
-	PARA_ERROR(NO_MOOD, "no mood available"), \
 	PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \
 	PARA_ERROR(NOT_PLAYING, "not playing"), \
 	PARA_ERROR(NO_VALID_FILES, "no valid file found in playlist"), \
@@ -166,7 +153,6 @@
 	PARA_ERROR(OGGDEC_VERSION, "vorbis version mismatch"), \
 	PARA_ERROR(OGG_EMPTY, "no ogg pages found"), \
 	PARA_ERROR(OGG_PACKET_IN, "ogg_stream_packetin() failed"), \
-	PARA_ERROR(OGG_STREAM_FLUSH, "ogg_stream_flush() failed"), \
 	PARA_ERROR(OGG_SYNC, "internal ogg storage overflow"), \
 	PARA_ERROR(OPENSSH_PARSE, "could not parse openssh private key"), \
 	PARA_ERROR(OPUS_COMMENT, "invalid or corrupted opus comment"), \
@@ -174,17 +160,13 @@
 	PARA_ERROR(OPUS_HEADER, "invalid opus header"), \
 	PARA_ERROR(OPUS_SET_GAIN, "opus: could not set gain"), \
 	PARA_ERROR(PATH_FOUND, ""), /* not really an error */ \
-	PARA_ERROR(PERM, "permission denied"), \
 	PARA_ERROR(PLAYLIST_EMPTY, "attempted to load empty playlist"), \
-	PARA_ERROR(PLAYLIST_LOADED, ""), /* not really an error */ \
 	PARA_ERROR(PREBUFFER_SUCCESS, "prebuffering complete"), \
 	PARA_ERROR(PRIVATE_KEY, "can not read private key"), \
 	PARA_ERROR(QUEUE, "packet queue overrun"), \
 	PARA_ERROR(READ_PATTERN, "did not read expected pattern"), \
-	PARA_ERROR(RECV_EOF, "end of file"), \
 	PARA_ERROR(RECVMSG, "recvmsg() failed"), \
 	PARA_ERROR(REGEX, "regular expression error"), \
-	PARA_ERROR(RESAMPLE_EOF, "resample filter: end of file"), \
 	PARA_ERROR(RSA, "RSA error"), \
 	PARA_ERROR(RSA_DECODE, "RSA decoding error"), \
 	PARA_ERROR(SB_PACKET_SIZE, "invalid sideband packet size or protocol error"), \
@@ -194,7 +176,6 @@
 	PARA_ERROR(SERVER_CMD_FAILURE, "command failed"), \
 	PARA_ERROR(SERVER_CMD_SUCCESS, "command terminated successfully"), \
 	PARA_ERROR(SERVER_CRASH, "para_server crashed -- can not live without it"), \
-	PARA_ERROR(SERVER_EOF, "connection closed by para_server"), \
 	PARA_ERROR(SEXP_BUILD, "could not build S-expression"), \
 	PARA_ERROR(SEXP_DECRYPT, "could not decrypt S-expression"), \
 	PARA_ERROR(SEXP_ENCRYPT, "could not encrypt S-expression"), \
@@ -238,21 +219,26 @@
 	PARA_ERROR(VORBIS_COMMENTHEADER, "could not create vorbis comment header"), \
 	PARA_ERROR(VORBIS, "vorbis synthesis header-in error (not vorbis?)"), \
 	PARA_ERROR(WAV_BAD_FC, "invalid filter configuration"), \
-	PARA_ERROR(WAV_EOF, "wav filter: end of file"), \
 	PARA_ERROR(WAV_SUCCESS, "successfully wrote wav header"), \
 	PARA_ERROR(WMA_BAD_PARAMS, "invalid WMA parameters"), \
 	PARA_ERROR(WMA_BAD_SUPERFRAME, "invalid superframe"), \
 	PARA_ERROR(WMA_BLOCK_SIZE, "invalid block size"), \
-	PARA_ERROR(WMADEC_EOF, "wmadec: end of file"), \
 	PARA_ERROR(WMA_NO_GUID, "audio stream guid not found"), \
 	PARA_ERROR(WMA_OUTPUT_SPACE, "insufficient output space"), \
-	PARA_ERROR(WRITE_COMMON_EOF, "end of file"), \
 
 /**
  * This is temporarily defined to expand to its first argument (prefixed by
  * 'E_') and gets later redefined to expand to the error text only
  */
 #define PARA_ERROR(err, msg) E_ ## err
+/**
+ * Numeric error codes.
+ *
+ * Public functions which can fail return the negated value of one of the
+ * constants defined here to indicate the cause of the error.
+ *
+ * \sa \ref para_strerror().
+ */
 enum para_error_codes {PARA_ERRORS};
 #undef PARA_ERROR
 #define PARA_ERROR(err, msg) msg
@@ -260,6 +246,7 @@ enum para_error_codes {PARA_ERRORS};
 extern const char * const para_errlist[];
 /** Exactly one .c file per executable must define the array. */
 #define DEFINE_PARA_ERRLIST const char * const para_errlist[] = {PARA_ERRORS}
+/** \endcond para_error */
 
 /**
  * This bit indicates whether a number is considered a system error number
@@ -303,18 +290,20 @@ static const char *weak_lls_strerror(int) __attribute__ ((weakref("lls_strerror"
  */
 _static_inline_ const char *para_strerror(int num)
 {
+	unsigned idx = num & ~((1U << OSL_ERROR_BIT) | (1U << LLS_ERROR_BIT)
+		| (1U << SYSTEM_ERROR_BIT));
 	assert(num > 0);
 	if (IS_OSL_ERROR(num)) {
 		assert(weak_osl_strerror);
-		return weak_osl_strerror(num & ~(1U << OSL_ERROR_BIT));
+		return weak_osl_strerror(idx);
 	}
 	if (IS_LLS_ERROR(num)) {
 		assert(weak_lls_strerror);
-		return weak_lls_strerror(num & ~(1U << LLS_ERROR_BIT));
+		return weak_lls_strerror(idx);
 	}
 	if (IS_SYSTEM_ERROR(num))
-		return strerror(num & ~(1U << SYSTEM_ERROR_BIT));
-	return para_errlist[num];
+		return strerror(idx);
+	return para_errlist[idx];
 }
 
 /**