NPSML: error/error.h Source File

00001 #ifndef NPS_ERROR_H
00002 #define NPS_ERROR_H
00003 #include <stdio.h> /* snprintf */
00004 #include <errno.h>
00005 #include <string.h> /* strerror */
00006 
00007 /* let's try to build an error system that does not use malloc. */
00008 
00009 #if !defined BUILDING_NPS_ERROR && !defined NPS_SMALL
00010 #    define NPS_ERROR_LKG static inline
00011 #else
00012 #    define NPS_ERROR_LKG 
00013 #endif
00014 
00015 #define NPS_ERROR_MSG_LENGTH 512
00016 
00017 typedef struct  {
00018     const char *const desc;
00019 } nps_domain_t;
00020 
00021 typedef struct {
00022     const char * const desc;
00023 } nps_errorType_t;
00024 
00025 typedef struct {
00026     nps_domain_t *domain;
00027     nps_errorType_t *errorType;
00028     char msg[NPS_ERROR_MSG_LENGTH];    
00029 }  nps_error_t;
00030 
00031 /* macro for setting errors */
00032 #define NPS_ERROR_SET(e,d,t,fmt...)  {                   \
00033         (e)->domain    = &d;                             \
00034         (e)->errorType = &t;                             \
00035         snprintf((e)->msg,sizeof(e->msg),fmt);           \
00036     }
00037 
00038 /* when there is no message (fmt==""), nsprintf gives warning, use instead... */
00039 #define NPS_ERROR_SET0(e,d,t)  {                         \
00040         (e)->domain    = &d;                             \
00041         (e)->errorType = &t;                             \
00042         *(e)->msg       = 0;                             \
00043     }
00044 
00045 
00046 extern nps_errorType_t Nps_ENOENT;
00047 extern nps_errorType_t Nps_EIO;
00048 extern nps_errorType_t Nps_EBADF;
00049 extern nps_errorType_t Nps_ENOMEM;
00050 extern nps_errorType_t Nps_EACCES;
00051 extern nps_errorType_t Nps_EBUSY;
00052 extern nps_errorType_t Nps_EEXIST;
00053 extern nps_errorType_t Nps_ENOTDIR;
00054 extern nps_errorType_t Nps_EISDIR;
00055 extern nps_errorType_t Nps_EINVAL;
00056 extern nps_errorType_t Nps_ENVAL;
00057 extern nps_errorType_t Nps_EMVAL;
00058 extern nps_errorType_t Nps_ENOTTY;
00059 extern nps_errorType_t Nps_ETXTBSY;
00060 extern nps_errorType_t Nps_EFBIG;
00061 extern nps_errorType_t Nps_ENOSPC;
00062 extern nps_errorType_t Nps_ESPIPE;
00063 extern nps_errorType_t Nps_EROFS;
00064 extern nps_errorType_t Nps_EMLINK;
00065 extern nps_errorType_t Nps_EPIPE;
00066 extern nps_errorType_t Nps_EDOM;
00067 extern nps_errorType_t Nps_ERANGE;
00068 
00069 
00070 
00071 
00072 #undef Nps_ERROR_MSG_LENGTH
00073 #endif