/*
- * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2008 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
#define AFH_COMMON_ERRORS
#define RBTREE_ERRORS
#define RECV_ERRORS
+#define SEND_COMMON_ERRORS
extern const char **para_errlist[];
+#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(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(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"), \
#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"), \
#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"), \
#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"), \
#define RECV_COMMON_ERRORS \
PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \
PARA_ERROR(RECV_EOF, "end of file"), \
- PARA_ERROR(RECV_CONNECT, "connection failed"), \
-
#define AUDIOD_ERRORS \
#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"), \
+ PARA_ERROR(MAX_CLIENTS, "maximal number of clients exceeded"), \
#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(NO_AUDIO_FILE, "no audio file"), \
PARA_ERROR(BAD_CMD, "invalid command"), \
PARA_ERROR(PERM, "permission denied"), \
PARA_ERROR(SHM_DETACH, "can not detach shared memory area"), \
-#define DCCP_ERRORS \
- PARA_ERROR(DCCP_SOCKET, "can not create dccp socket"), \
-
-
#define DCCP_RECV_ERRORS \
PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \
#define DCCP_SEND_ERRORS \
- 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 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
+/** Check whether the system error bit is set. */
#define IS_SYSTEM_ERROR(num) (!!((num) & (1 << SYSTEM_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)
+/** 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.
*/
-#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_ const char *para_strerror(int num)
+{
+ assert(num > 0);
+ if (IS_SYSTEM_ERROR(num))
+ return strerror((num) & ((1 << SYSTEM_ERROR_BIT) - 1));
+ else
+ return para_errlist[ERRNUM_TO_SS(num)][ERRNUM_TO_INDEX(num)];
+}
/**
* Define the error list for one subsystem.
#
projects / paraslash.git / blobdiff