X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=error.h;h=59d0321f746545479f60a615e8ef8691c8105c84;hp=8a30110fda92a6d9ade9257e38191ba041692862;hb=c00d7e25de7006d6f88aafb2b485057377a70324;hpb=cf9aa7eaa03f84d6463052377f6a293edc2bc63a diff --git a/error.h b/error.h index 8a30110f..59d0321f 100644 --- a/error.h +++ b/error.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2007 Andre Noll + * Copyright (C) 2006-2009 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -13,71 +13,92 @@ DEFINE_ERRLIST_OBJECT_ENUM; /* these do not need error handling (yet) */ #define SERVER_ERRORS -#define CLIENT_ERRORS -#define WAV_ERRORS -#define COMPRESS_ERRORS #define TIME_ERRORS #define CLOSE_ON_FORK_ERRORS #define DAEMON_ERRORS -#define ORTP_SEND_ERRORS +#define UDP_SEND_ERRORS #define GUI_ERRORS #define RINGBUFFER_ERRORS #define SCORE_ERRORS #define SHA1_ERRORS -#define RECV_ERRORS -#define AFH_COMMON_ERRORS #define RBTREE_ERRORS +#define RECV_ERRORS +#define STDOUT_ERRORS +#define IPC_ERRORS +#define DCCP_SEND_ERRORS +#define HTTP_SEND_ERRORS +#define GGO_ERRORS +#define COLOR_ERRORS +#define SIGNAL_ERRORS extern const char **para_errlist[]; -#define FSCK_ERRORS \ - PARA_ERROR(FSCK_SYNTAX, "fsck syntax error"), \ - PARA_ERROR(RANGE_VIOLATION, "range violation detected, very bad"), \ - PARA_ERROR(NOT_A_REGULAR_FILE, "not a regular file"), \ +#define PREBUFFER_FILTER_ERRORS \ + PARA_ERROR(PREBUFFER_SYNTAX, "syntax error in prebuffer filter config"), \ + +#define OSS_WRITE_ERRORS \ + PARA_ERROR(BAD_SAMPLE_FORMAT, "sample format not supported"), \ + PARA_ERROR(BAD_CHANNEL_COUNT, "channel count not supported"), \ + PARA_ERROR(BAD_SAMPLERATE, "sample rate not supported"), \ + + +#define COMPRESS_FILTER_ERRORS \ + PARA_ERROR(COMPRESS_SYNTAX, "syntax error in compress filter config"), \ + + +#define WAV_FILTER_ERRORS \ + PARA_ERROR(WAV_BAD_FC, "invalid filter chain configuration"), \ + + +#define FEC_ERRORS \ + PARA_ERROR(FEC_BAD_IDX, "invalid index vector"), \ + PARA_ERROR(FEC_SINGULAR, "unexpected singular matrix"), \ + PARA_ERROR(FEC_PIVOT, "pivot column not found"), \ + PARA_ERROR(FEC_PARMS, "invalid fec parameters"), \ + + +#define FECDEC_FILTER_ERRORS \ + PARA_ERROR(BAD_FEC_HEADER, "invalid fec header"), \ + PARA_ERROR(BAD_SLICE_SIZE, "slice size zero or too large"), \ + PARA_ERROR(BAD_SLICE_NUM, "invalid slice number"), \ + PARA_ERROR(FECDEC_OVERRUN, "fecdec output buffer overrun"), \ + PARA_ERROR(FECDEC_EOF, "received eof packet"), \ + + +#define AMP_FILTER_ERRORS \ + PARA_ERROR(AMP_SYNTAX, "syntax error in amp filter config"), \ -#define OSL_ERRORS \ - PARA_ERROR(BAD_DB_DIR, "invalid database directory"), \ - PARA_ERROR(NO_COLUMN_DESC, "missing column description"), \ - PARA_ERROR(BAD_NAME, "invalid name for a column/table"), \ - PARA_ERROR(BAD_STORAGE_TYPE, "invalid storage type"), \ - PARA_ERROR(BAD_STORAGE_FLAGS, "invalid storage flags"), \ - PARA_ERROR(NO_COLUMN_NAME, "missing column name"), \ - PARA_ERROR(NO_COLUMNS, "at least one column required"), \ - PARA_ERROR(BAD_COLUMN_NAME, "invalid name for a table column"), \ - PARA_ERROR(NO_UNIQUE_RBTREE_COLUMN, "need at least one mapped column with OSL_UNIQE and OSL_RBTREE OSL"), \ - PARA_ERROR(NO_RBTREE_COL, "at least one column needs an rbtree"), \ - PARA_ERROR(DUPLICATE_COL_NAME, "column name given twice"), \ - PARA_ERROR(BAD_STORAGE_SIZE, "invalid storage size"), \ - PARA_ERROR(NO_COMPARE_FUNC, "missing compare function"), \ - PARA_ERROR(BAD_DATA_SIZE, "wrong data size for fixed-size column"), \ - PARA_ERROR(NOT_MAPPED, "file not mapped"), \ - PARA_ERROR(ALREADY_MAPPED, "file already mapped"), \ - PARA_ERROR(BAD_SIZE, "invalid size specified"), \ - PARA_ERROR(TRUNC, "failed to truncate file"), \ - PARA_ERROR(UNLINK, "failed to remove file"), \ - PARA_ERROR(BAD_TABLE, "table not open"), \ - PARA_ERROR(BAD_TABLE_DESC, "invalid table description"), \ - PARA_ERROR(RB_KEY_EXISTS, "key already exists in rbtree"), \ - PARA_ERROR(RB_KEY_NOT_FOUND, "key not found in rbtree"), \ - PARA_ERROR(BAD_ROW_NUM, "invalid row number"), \ - PARA_ERROR(INDEX_CORRUPTION, "index corruption detected"), \ - PARA_ERROR(INVALID_OBJECT, "reference to invalid object"), \ - PARA_ERROR(STAT, "can not stat file"), \ - PARA_ERROR(FSTAT, "fstat error"), \ - PARA_ERROR(RENAME, "rename failed"), \ - PARA_ERROR(WRITE, "write error"), \ - PARA_ERROR(LSEEK, "lseek error"), \ - PARA_ERROR(BUSY, "table is busy"), \ - PARA_ERROR(SHORT_TABLE, "table too short"), \ - PARA_ERROR(NO_MAGIC, "missing table header magic"), \ - PARA_ERROR(VERSION_MISMATCH, "table version not supported"), \ - PARA_ERROR(BAD_COLUMN_NUM, "invalid column number"), \ - PARA_ERROR(BAD_TABLE_FLAGS, "invalid flags in table description"), \ - PARA_ERROR(BAD_ROW, "invalid row"), \ +#define SEND_COMMON_ERRORS \ + PARA_ERROR(MAX_CLIENTS, "maximal number of clients exceeded"), \ +#define FADE_ERRORS \ + PARA_ERROR(FADE_SYNTAX, "fade syntax error"), \ + + +#define CLIENT_ERRORS \ + PARA_ERROR(TASK_STARTED, "task started"), \ + + +#define AFH_ERRORS \ + PARA_ERROR(AFH_SYNTAX, "afh syntax error"), \ + PARA_ERROR(AFH_SHORT_WRITE, "afh short write"), \ + + +#define AFH_COMMON_ERRORS \ + PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \ + + +#define ACL_ERRORS \ + PARA_ERROR(ACL_PERM, "access denied by acl"), \ + + +#define FSCK_ERRORS \ + PARA_ERROR(FSCK_SYNTAX, "fsck syntax error"), \ + PARA_ERROR(RANGE_VIOLATION, "range violation detected, very bad"), \ + PARA_ERROR(NOT_A_REGULAR_FILE, "not a regular file"), \ #define AFS_ERRORS \ PARA_ERROR(BAD_TABLE_NAME, "invalid table"), \ @@ -85,15 +106,15 @@ extern const char **para_errlist[]; PARA_ERROR(AFS_SYNTAX, "afs syntax error"), \ PARA_ERROR(AFS_SIGNAL, "afs caught deadly signal"), \ PARA_ERROR(AFS_SOCKET, "afs socket not writable"), \ - PARA_ERROR(AFS_PARENT_DIED, "fatal: server process terminated"), \ PARA_ERROR(AFS_SHORT_READ, "short read from afs socket"), \ + PARA_ERROR(OSL, "osl error"), \ #define MOOD_ERRORS \ PARA_ERROR(MOOD_SYNTAX, "mood syntax error"), \ PARA_ERROR(NO_MOOD, "no mood available"), \ - PARA_ERROR(MOOD_LOADED, "mood loaded"), \ PARA_ERROR(NOT_ADMISSIBLE, "file is not admissible"), \ + PARA_ERROR(DUMMY_ROW, "attempted to access blob dummy object"), \ #define ATTRIBUTE_ERRORS \ @@ -104,11 +125,9 @@ extern const char **para_errlist[]; #define BLOB_ERRORS \ PARA_ERROR(BLOB_SYNTAX, "blob syntax error"), \ - PARA_ERROR(DUMMY_ROW, "attempted to access blob dummy object"), \ #define PLAYLIST_ERRORS \ - PARA_ERROR(NO_PLAYLIST, "no valid playlist found"), \ PARA_ERROR(PLAYLIST_LOADED, ""), /* not really an error */ \ PARA_ERROR(PATH_FOUND, ""), /* not really an error */ \ PARA_ERROR(PLAYLIST_EMPTY, "attempted to load empty playlist"), \ @@ -151,31 +170,26 @@ extern const char **para_errlist[]; PARA_ERROR(CLIENT_SYNTAX, "syntax error"), \ PARA_ERROR(INVALID_CHALLENGE, "did not receive valid challenge"), \ PARA_ERROR(NO_CONFIG, "config file not found"), \ + PARA_ERROR(BAD_CONFIG, "syntax error in config file"), \ PARA_ERROR(CLIENT_AUTH, "authentication failed"), \ PARA_ERROR(SERVER_EOF, "connection closed by para_server"), \ - PARA_ERROR(INPUT_EOF, "end of input"), \ - PARA_ERROR(HANDSHAKE_COMPLETE, ""), /* not really an error */ \ #define SCHED_ERRORS \ PARA_ERROR(TASK_KILLED, "task killed"), \ + PARA_ERROR(TASK_UNREGISTERED, "task has been unscheduled"), \ PARA_ERROR(NO_SUCH_TASK, "task not found"), \ PARA_ERROR(NOT_INITIALIZED, "scheduler not yet initialized"), \ #define STDIN_ERRORS \ - PARA_ERROR(STDIN_READ, "failed to read from stdin"), \ PARA_ERROR(STDIN_EOF, "end of file"), \ -#define STDOUT_ERRORS \ - PARA_ERROR(STDOUT_WRITE, "failed to write to stdout"), \ - PARA_ERROR(STDOUT_EOF, "end of file"), \ - #define NET_ERRORS \ - PARA_ERROR(CONNECT, "connect error"), \ PARA_ERROR(NAME_TOO_LONG, "name too long for struct sockaddr_un"), \ + PARA_ERROR(ADDRESS_LOOKUP, "address lookup / socket creation failed"), \ PARA_ERROR(CHMOD, "failed to set socket mode"), \ PARA_ERROR(SENDMSG, "sendmsg() failed"), \ PARA_ERROR(RECVMSG, "recvmsg() failed"), \ @@ -183,29 +197,29 @@ extern const char **para_errlist[]; PARA_ERROR(RECV_PATTERN, "did not receive expected pattern"), \ -#define ORTP_RECV_ERRORS \ - PARA_ERROR(MSG_TO_BUF, "failed to extract rtp packet"), \ - PARA_ERROR(ORTP_SYNTAX, "ortp syntax error"), \ - PARA_ERROR(TOO_MANY_BAD_CHUNKS, "too many consecutive bad chunks"), \ - PARA_ERROR(INVALID_HEADER, "invalid header packet"), \ - PARA_ERROR(OVERRUN, "output buffer overrun"), \ - PARA_ERROR(ORTP_RECV_EOF, "ortp_recv: end of file"), \ +#define UDP_RECV_ERRORS \ + PARA_ERROR(UDP_SYNTAX, "udp_recv syntax error"), \ + PARA_ERROR(UDP_BAD_HEADER, "invalid udp audio header"), \ + PARA_ERROR(UDP_OVERRUN, "output buffer overrun"), \ + PARA_ERROR(UDP_BAD_STREAM_TYPE, "invalid stream type"), \ #define HTTP_RECV_ERRORS \ - PARA_ERROR(HTTP_RECV_EOF, "http_recv: end of file"), \ PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: output buffer overrun"), \ #define RECV_COMMON_ERRORS \ PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \ + PARA_ERROR(RECV_EOF, "end of file"), \ #define AUDIOD_ERRORS \ PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \ PARA_ERROR(MISSING_COLON, "syntax error: missing colon"), \ PARA_ERROR(UNSUPPORTED_AUDIO_FORMAT, "given audio format not supported"), \ - PARA_ERROR(SIGNAL_CAUGHT, "caught signal"), \ + PARA_ERROR(NOT_PLAYING, "not playing"), \ + PARA_ERROR(AUDIOD_OFF, "audiod switched off"), \ + PARA_ERROR(STATUS_TIMEOUT, "timeout reading server status"), \ #define AUDIOD_COMMAND_ERRORS \ @@ -215,7 +229,7 @@ extern const char **para_errlist[]; PARA_ERROR(INVALID_AUDIOD_CMD, "invalid command"), \ -#define FILTER_CHAIN_ERRORS \ +#define FILTER_COMMON_ERRORS \ PARA_ERROR(UNSUPPORTED_FILTER, "given filter not supported"), \ PARA_ERROR(BAD_FILTER_OPTIONS, "invalid filter option given"), \ PARA_ERROR(FC_EOF, "filter chain: eof"), \ @@ -224,15 +238,17 @@ extern const char **para_errlist[]; #define STAT_ERRORS \ PARA_ERROR(TOO_MANY_CLIENTS, "maximal number of stat clients exceeded"), \ PARA_ERROR(UNKNOWN_STAT_ITEM, "status item not recognized"), \ + PARA_ERROR(STAT_ITEM_PARSE, "failed to parse status item"), \ -#define OGGDEC_ERRORS \ +#define OGGDEC_FILTER_ERRORS \ PARA_ERROR(OGGDEC_READ, "read from media returned an error"), \ PARA_ERROR(OGGDEC_NOTVORBIS, "bitstream is not vorbis data"), \ PARA_ERROR(OGGDEC_VERSION, "vorbis version mismatch"), \ PARA_ERROR(OGGDEC_BADHEADER, "invalid vorbis bitstream header"), \ PARA_ERROR(OGGDEC_FAULT, "bug or heap/stack corruption"), \ PARA_ERROR(OGGDEC_BADLINK, "invalid stream section or requested link corrupt"), \ + PARA_ERROR(OGGDEC_SYNTAX, "syntax error in oggdec config"), \ #define GRAB_CLIENT_ERRORS \ @@ -245,9 +261,10 @@ extern const char **para_errlist[]; PARA_ERROR(GC_VERSION_GIVEN, ""), /* not really an error */ \ -#define MP3DEC_ERRORS \ +#define MP3DEC_FILTER_ERRORS \ PARA_ERROR(MAD_FRAME_DECODE, "mad frame decode error"), \ PARA_ERROR(MP3DEC_OVERRUN, "mp3 output buffer overrun"), \ + PARA_ERROR(MP3DEC_SYNTAX, "syntax error in mp3dec config"), \ #define FILTER_ERRORS \ @@ -255,23 +272,16 @@ extern const char **para_errlist[]; PARA_ERROR(FILTER_SYNTAX, "syntax error"), \ -#define SIGNAL_ERRORS \ - PARA_ERROR(SIGNAL_SIG_ERR, "signal() returned SIG_ERR"), \ - PARA_ERROR(SIGNAL_READ, "read error from signal pipe"), \ - - #define STRING_ERRORS \ - PARA_ERROR(MKSTEMP, "mkstemp error: unable to create tmp file"), \ - PARA_ERROR(FCHMOD, "fchmod error: can not set mode"), \ PARA_ERROR(ATOI_OVERFLOW, "value too large"), \ PARA_ERROR(STRTOLL, "unknown strtoll error"), \ PARA_ERROR(ATOI_NO_DIGITS, "no digits found in string"), \ PARA_ERROR(ATOI_JUNK_AT_END, "further characters after number"), \ + PARA_ERROR(SIZE_PREFIX, "bad size prefix") \ #define EXEC_ERRORS \ PARA_ERROR(DUP_PIPE, "exec error: can not create pipe"), \ - PARA_ERROR(NULL_OPEN, "can not open /dev/null"), \ #define MP3_AFH_ERRORS \ @@ -306,11 +316,8 @@ extern const char **para_errlist[]; #define VSS_ERRORS \ - PARA_ERROR(BAD_AUDIO_FILE_SUFFIX, "unknown suffix"), \ - PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \ - PARA_ERROR(CHUNK, "unable to get chunk"), \ - PARA_ERROR(SHORT_AFS_READ, "short read from afs socket"), \ PARA_ERROR(NOFD, "did not receive open fd from afs"), \ + PARA_ERROR(BAD_CT, "invalid chunk table or bad FEC configuration") #define CRYPT_ERRORS \ @@ -322,63 +329,29 @@ extern const char **para_errlist[]; PARA_ERROR(CHALLENGE, "failed to read challenge"), \ -#define HTTP_SEND_ERRORS \ - PARA_ERROR(WRITE_OK, "can not check whether fd is writable"), \ - PARA_ERROR(SEND_QUEUED_CHUNK, "failed to send queued chunk"), \ - - #define COMMAND_ERRORS \ PARA_ERROR(COMMAND_SYNTAX, "syntax error in command"), \ - PARA_ERROR(AUTH, "did not receive auth request"), \ - PARA_ERROR(BAD_SELECTOR, "no such audio file selector"), \ + PARA_ERROR(AUTH_REQUEST, "did not receive auth request"), \ PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \ PARA_ERROR(BAD_CMD, "invalid command"), \ PARA_ERROR(PERM, "permission denied"), \ PARA_ERROR(LOCK, "lock error"), \ PARA_ERROR(SENDER_CMD, "command not supported by this sender"), \ PARA_ERROR(SERVER_CRASH, "para_server crashed -- can not live without it"), \ - PARA_ERROR(BAD_USER, "you don't exist. Go away."), \ - - -#define IPC_ERRORS \ - PARA_ERROR(SEM_GET, "failed to create semaphore"), \ - PARA_ERROR(SEM_REMOVE, "can not remove semaphore"), \ - PARA_ERROR(SHM_GET, "failed to allocate shared memory area"), \ - PARA_ERROR(SHM_DESTROY, "failed to destroy shared memory area"), \ - PARA_ERROR(SHM_ATTACH, "can not attach shared memory area"), \ - PARA_ERROR(SHM_DETACH, "can not detach shared memory area"), \ - - -#define DCCP_ERRORS \ - PARA_ERROR(DCCP_SOCKET, "can not create dccp socket"), \ + PARA_ERROR(BAD_USER, "auth request for invalid user"), \ + PARA_ERROR(BAD_AUTH, "authentication failure"), \ #define DCCP_RECV_ERRORS \ - PARA_ERROR(ADDR_INFO, "getaddrinfo error"), \ PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \ - PARA_ERROR(DCCP_CONNECT, "dccp connect error"), \ - PARA_ERROR(DCCP_RECV_EOF, "dccp_recv: end of file"), \ - - -#define DCCP_SEND_ERRORS \ - PARA_ERROR(DCCP_BIND, "dccp bind error"), \ - PARA_ERROR(DCCP_LISTEN, "dccp listen error"), \ - PARA_ERROR(DCCP_WRITE, "dccp write error"), \ #define FD_ERRORS \ PARA_ERROR(FGETS, "fgets error"), \ - PARA_ERROR(CHDIR, "failed to change directory"), \ - PARA_ERROR(OPEN, "failed to open file"), \ - PARA_ERROR(CHDIR_PERM, "insufficient permissions to chdir"), \ - PARA_ERROR(EMPTY, "file empty"), \ - PARA_ERROR(MMAP, "mmap error"), \ - PARA_ERROR(MUNMAP, "munmap failed"), \ #define WRITE_ERRORS \ PARA_ERROR(WRITE_SYNTAX, "para_write syntax error"), \ - PARA_ERROR(PREMATURE_END, "premature end of audio file"), \ PARA_ERROR(NO_WAV_HEADER, "wave header not found"), \ PARA_ERROR(WAV_HEADER_SUCCESS, "successfully read wave header"), \ PARA_ERROR(NO_DELAY, "no initial delay"), \ @@ -391,13 +364,10 @@ extern const char **para_errlist[]; PARA_ERROR(SAMPLE_FORMAT, "sample format not available"), \ PARA_ERROR(CHANNEL_COUNT, "channels count not available"), \ PARA_ERROR(HW_PARAMS, "unable to install hw params"), \ - PARA_ERROR(SW_PARAMS, "unable to install sw params"), \ PARA_ERROR(BAD_PERIOD, "can not use period equal to buffer size"), \ - PARA_ERROR(GET_XFER, "unable to obtain xfer align"), \ - PARA_ERROR(SET_XFER, "snd_pcm_sw_params_set_xfer_align() failed"), \ PARA_ERROR(ALSA_WRITE, "alsa write error"), \ PARA_ERROR(PCM_OPEN, "unable to open pcm"), \ - PARA_ERROR(SND_PCM_INFO, "pcm info error"), \ + PARA_ERROR(PHYSICAL_WIDTH, "unable to determine bytes per frame"), \ PARA_ERROR(GET_BUFFER_TIME, "snd_pcm_hw_params_get_buffer_time_max() failed"), \ PARA_ERROR(SET_BUFFER_TIME, "snd_pcm_hw_params_set_buffer_time_near() failed"), \ PARA_ERROR(SET_RATE, "snd_pcm_hw_params_set_rate_near failed"), \ @@ -413,10 +383,9 @@ extern const char **para_errlist[]; #define WRITE_COMMON_ERRORS \ PARA_ERROR(WRITE_COMMON_SYNTAX, "syntax error in write option"), \ - PARA_ERROR(WNG_EOF, "wng: end of file"), \ -#define AACDEC_ERRORS \ +#define AACDEC_FILTER_ERRORS \ PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \ PARA_ERROR(AAC_DECODE, "aac decode error"), \ PARA_ERROR(AAC_OVERRUN, "aac output buffer overrun"), \ @@ -467,26 +436,80 @@ extern const char **para_errlist[]; */ #define ERRNUM_TO_INDEX(num) (((1 << SS_SHIFT) - 1) & (num)) +/** + * This bit indicates whether a number is considered a system error number + * If yes, the system errno is just the result of clearing this bit from + * the given number. + */ #define SYSTEM_ERROR_BIT 30 +/** + * Like the SYSTEM_ERROR_BIT, but indicates an error from the osl library. + */ +#define OSL_ERROR_BIT 29 + +/** 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))) + +/** Set the system error bit for the given number. */ #define ERRNO_TO_PARA_ERROR(num) ((num) | (1 << SYSTEM_ERROR_BIT)) -static inline int is_errno(int val, int _errno) +/** Set the osl error bit for the given number. */ +#define OSL_ERRNO_TO_PARA_ERROR(num) ((num) | (1 << OSL_ERROR_BIT)) + +/** Check whether a given number is a system error number. + * + * \param num The value to be checked. + * \param _errno The system error number. + * + * \return True if \a num is paraslash's representation of the system + * error identified by \a _errno. + */ +_static_inline_ int is_errno(int num, int _errno) { - assert(val > 0 && _errno > 0); - return ERRNO_TO_PARA_ERROR(_errno) == val; + assert(num > 0 && _errno > 0); + return ERRNO_TO_PARA_ERROR(_errno) == num; } /** * Paraslash's version of strerror(3). * - * Expands to the error text of \a num (a string constant). + * \param num The error number. + * + * \return The error text of \a num. + */ +_static_inline_ const char *para_strerror(int num) +{ + assert(num > 0); +#ifdef _OSL_H + if (IS_OSL_ERROR(num)) + return osl_strerror(num & ((1 << OSL_ERROR_BIT) - 1)); +#endif + if (IS_SYSTEM_ERROR(num)) + return strerror(num & ((1 << SYSTEM_ERROR_BIT) - 1)); + return para_errlist[ERRNUM_TO_SS(num)][ERRNUM_TO_INDEX(num)]; +} + +/** + * Wrapper for osl library calls. + * + * \param ret The return value of an osl library function. + * + * This should be used for all calls to osl functions that return an osl error + * code. It changes the return value appropriately so that it can be used for + * printing the correct error message vi para_strerror(). + * + * \return \a ret if \a ret >= 0, a paraslash error code otherwise. */ -#define PARA_STRERROR(num) IS_SYSTEM_ERROR(num)? \ - strerror((num) & ((1 << SYSTEM_ERROR_BIT) - 1)) : \ - para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)] +_static_inline_ int osl(int ret) +{ + if (ret >= 0) + return ret; + return -OSL_ERRNO_TO_PARA_ERROR(-ret); +} /** * Define the error list for one subsystem.