-/*
- * Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
/** \file error.h List of error codes and messages. */
/** Codes and messages. */
#define PARA_ERRORS \
- PARA_ERROR(AAC_AFH_INIT, "failed to init aac decoder"), \
+ PARA_ERROR(SUCCESS, "success"), \
PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \
PARA_ERROR(AAC_DECODE, "aac decode error"), \
PARA_ERROR(ACL_PERM, "access denied by acl"), \
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(AFS_SYNTAX, "afs syntax error"), \
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(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_BAD_SAMPLE_FORMAT, "ao: unsigned sample formats not supported"), \
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(BAD_BAND, "invalid or unexpected band designator"), \
PARA_ERROR(BAD_CHANNEL_COUNT, "channel count not supported"), \
PARA_ERROR(BAD_CHANNEL, "invalid channel"), \
- PARA_ERROR(BAD_CMD, "invalid command"), \
- PARA_ERROR(BAD_CONFIG, "syntax error in config file"), \
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_FILTER_OPTIONS, "invalid filter option given"), \
PARA_ERROR(BAD_LL, "invalid loglevel"), \
PARA_ERROR(BAD_PATH, "invalid path"), \
- PARA_ERROR(BAD_PLAY_CMD, "invalid command"), \
PARA_ERROR(BAD_PRIVATE_KEY, "invalid private key"), \
PARA_ERROR(BAD_SAMPLE_FORMAT, "sample format not supported"), \
PARA_ERROR(BAD_SAMPLERATE, "sample rate not supported"), \
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"), \
PARA_ERROR(CHMOD, "failed to set socket mode"), \
PARA_ERROR(CLIENT_SYNTAX, "syntax error"), \
PARA_ERROR(CLIENT_WRITE, "client write error"), \
PARA_ERROR(EMPTY, "file is empty"), \
PARA_ERROR(ENCRYPT, "encrypt error"), \
PARA_ERROR(EOF, "end of file"), \
- PARA_ERROR(ESDS, "did not find esds atom"), \
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(ID3_SETENCODING, "could not set id3 text encoding field"), \
PARA_ERROR(ID3_SETSTRING, "could not set id3 string field"), \
PARA_ERROR(INCOHERENT_BLOCK_LEN, "incoherent block length"), \
- PARA_ERROR(INVALID_AUDIOD_CMD, "invalid command"), \
PARA_ERROR(KEY_MARKER, "invalid/missing key header or footer"), \
PARA_ERROR(KEY_PERM, "unprotected private key"), \
PARA_ERROR(LIBSAMPLERATE, "secret rabbit code 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(MP4ASC, "audio spec config error"), \
- PARA_ERROR(MP4V2, "mp4v2 library error"), \
+ 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(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"), \
PARA_ERROR(NO_ATTRIBUTES, "no attributes defined yet"), \
PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \
- PARA_ERROR(NO_CONFIG, "config file not found"), \
PARA_ERROR(NOFD, "did not receive open fd from afs"), \
- PARA_ERROR(NO_FILTERS, "at least one filter must be given"), \
PARA_ERROR(NO_MATCH, "no matches"), \
PARA_ERROR(NO_MOOD, "no mood available"), \
PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \
PARA_ERROR(PERM, "permission denied"), \
PARA_ERROR(PLAYLIST_EMPTY, "attempted to load empty playlist"), \
PARA_ERROR(PLAYLIST_LOADED, ""), /* not really an error */ \
- PARA_ERROR(PLAY_SYNTAX, "para_play: syntax 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(RECV_SYNTAX, "recv syntax error"), \
PARA_ERROR(REGEX, "regular expression error"), \
PARA_ERROR(RESAMPLE_EOF, "resample filter: end of file"), \
PARA_ERROR(RSA, "RSA error"), \
PARA_ERROR(SSH_PARSE, "could not parse ssh public key"), \
PARA_ERROR(STAT_ITEM_PARSE, "failed to parse status item"), \
PARA_ERROR(STATUS_TIMEOUT, "status item timeout"), \
- PARA_ERROR(STCO, "did not find stco atom"), \
PARA_ERROR(STREAM_PACKETIN, "ogg stream packet-in error"), \
PARA_ERROR(STREAM_PACKETOUT, "ogg stream packet-out error"), \
PARA_ERROR(STREAM_PAGEIN, "ogg stream page-in error"), \
PARA_ERROR(STREAM_PAGEOUT, "ogg stream page-out error"), \
PARA_ERROR(STRFTIME, "strftime() failed"), \
- PARA_ERROR(STSZ, "did not find stcz atom"), \
PARA_ERROR(SYNC_COMPLETE, "all buddies in sync"), \
PARA_ERROR(SYNC_LISTEN_FD, "no fd to listen on"), \
PARA_ERROR(SYNC_PAGEOUT, "ogg sync page-out error (no ogg file?)"), \
PARA_ERROR(TARGET_EXISTS, "requested target is already present"),\
PARA_ERROR(TARGET_NOT_FOUND, "requested target not found"), \
PARA_ERROR(TASK_STARTED, "task started"), \
+ PARA_ERROR(DEADLY_SIGNAL, "termination request by signal"), \
PARA_ERROR(TOO_MANY_CLIENTS, "maximal number of stat clients exceeded"), \
PARA_ERROR(UCRED_PERM, "permission denied"), \
PARA_ERROR(UDP_OVERRUN, "output buffer overrun"), \
enum para_error_codes {PARA_ERRORS};
#undef PARA_ERROR
#define PARA_ERROR(err, msg) msg
-/** Array of error strings. */
+/** All .c files need the declararation of the array of error strings. */
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}
/**
*/
#define OSL_ERROR_BIT 29
+#define LLS_ERROR_BIT 28
+
/** Check whether the system error bit is set. */
#define IS_SYSTEM_ERROR(num) (!!((num) & (1 << SYSTEM_ERROR_BIT)))
/** Check whether the osl error bit is set. */
#define IS_OSL_ERROR(num) (!!((num) & (1 << OSL_ERROR_BIT)))
+/** Check whether the lopsub error bit is set. */
+#define IS_LLS_ERROR(num) (!!((num) & (1 << LLS_ERROR_BIT)))
+
/** Set the system error bit for the given number. */
#define ERRNO_TO_PARA_ERROR(num) ((num) | (1 << SYSTEM_ERROR_BIT))
/** Set the osl error bit for the given number. */
#define OSL_ERRNO_TO_PARA_ERROR(num) ((num) | (1 << OSL_ERROR_BIT))
+/** Set the lopsub error bit for the error code. */
+#define LLS_ERRNO_TO_PARA_ERROR(num) ((num) | (1 << LLS_ERROR_BIT))
+
static const char *weak_osl_strerror(int) __attribute__ ((weakref("osl_strerror")));
+static const char *weak_lls_strerror(int) __attribute__ ((weakref("lls_strerror")));
/**
* Paraslash's version of strerror(3).
*
assert(weak_osl_strerror);
return weak_osl_strerror(num & ~(1U << OSL_ERROR_BIT));
}
+ if (IS_LLS_ERROR(num)) {
+ assert(weak_lls_strerror);
+ return weak_lls_strerror(num & ~(1U << LLS_ERROR_BIT));
+ }
if (IS_SYSTEM_ERROR(num))
return strerror(num & ~(1U << SYSTEM_ERROR_BIT));
return para_errlist[num];
return ret;
return -OSL_ERRNO_TO_PARA_ERROR(-ret);
}
+
+/**
+ * Wrapper for lopsub library calls.
+ *
+ * \param ret See \ref osl().
+ * \return See \ref osl().
+ */
+_static_inline_ int lls(int ret)
+{
+ if (ret >= 0)
+ return ret;
+ return -LLS_ERRNO_TO_PARA_ERROR(-ret);
+}