Diffstat (limited to 'libical/src/libical/icalerror.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libical/src/libical/icalerror.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/libical/src/libical/icalerror.h b/libical/src/libical/icalerror.h index 52f5ba9..826c8e8 100644 --- a/libical/src/libical/icalerror.h +++ b/libical/src/libical/icalerror.h @@ -1,156 +1,161 @@ /* -*- Mode: C -*- */ /*====================================================================== FILE: icalerror.h CREATOR: eric 09 May 1999 $Id$ (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org This program is free software; you can redistribute it and/or modify it under the terms of either: The LGPL as published by the Free Software Foundation, version 2.1, available at: http://www.fsf.org/copyleft/lesser.html Or: The Mozilla Public License Version 1.0. You may obtain a copy of the License at http://www.mozilla.org/MPL/ The original code is icalerror.h ======================================================================*/ #ifndef ICALERROR_H #define ICALERROR_H #include <assert.h> #include <stdio.h> /* For icalerror_warn() */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #define ICAL_SETERROR_ISFUNC -/* This routine is called before any error is triggered. It is called +/** This routine is called before any error is triggered. It is called by icalerror_set_errno, so it does not appear in all of the macros below */ void icalerror_stop_here(void); void icalerror_crash_here(void); typedef enum icalerrorenum { - + ICAL_NO_ERROR, /* icalerrno may not be initialized - put it first so and pray that the compiler initialize things to zero */ ICAL_BADARG_ERROR, ICAL_NEWFAILED_ERROR, ICAL_ALLOCATION_ERROR, ICAL_MALFORMEDDATA_ERROR, ICAL_PARSE_ERROR, ICAL_INTERNAL_ERROR, /* Like assert --internal consist. prob */ ICAL_FILE_ERROR, ICAL_USAGE_ERROR, ICAL_UNIMPLEMENTED_ERROR, - ICAL_UNKNOWN_ERROR, /* Used for problems in input to icalerror_strerror()*/ - ICAL_NO_ERROR + ICAL_UNKNOWN_ERROR /* Used for problems in input to icalerror_strerror()*/ } icalerrorenum; -/* The libical error enumeration, like errno*/ -extern icalerrorenum icalerrno; +icalerrorenum * icalerrno_return(void); +#define icalerrno (*(icalerrno_return())) -/* If true, libicl aborts after a call to icalerror_set_error*/ +/** If true, libicl aborts after a call to icalerror_set_error + * + * @warning NOT THREAD SAFE -- recommended that you do not change + * this in a multithreaded program. + */ extern int icalerror_errors_are_fatal; /* Warning messages */ #ifdef __GNUC__ca #define icalerror_warn(message) {fprintf(stderr,"%s(), %s:%d: %s\n",__FUNCTION__,__FILE__,__LINE__,message);} #else /* __GNU_C__ */ #define icalerror_warn(message) {fprintf(stderr,"%s:%d: %s\n",__FILE__,__LINE__,message);} #endif /* __GNU_C__ */ void icalerror_clear_errno(void); +void _icalerror_set_errno(icalerrorenum); /* Make an individual error fatal or non-fatal. */ typedef enum icalerrorstate { ICAL_ERROR_FATAL, /* Not fata */ ICAL_ERROR_NONFATAL, /* Fatal */ ICAL_ERROR_DEFAULT, /* Use the value of icalerror_errors_are_fatal*/ ICAL_ERROR_UNKNOWN /* Asked state for an unknown error type */ } icalerrorstate ; char* icalerror_strerror(icalerrorenum e); char* icalerror_perror(); void icalerror_set_error_state( icalerrorenum error, icalerrorstate); icalerrorstate icalerror_get_error_state( icalerrorenum error); #ifndef ICAL_SETERROR_ISFUNC #define icalerror_set_errno(x) \ icalerrno = x; \ + fprintf(stderr,"Ical error # %d\n", x); \ if(icalerror_get_error_state(x)==ICAL_ERROR_FATAL || \ (icalerror_get_error_state(x)==ICAL_ERROR_DEFAULT && \ icalerror_errors_are_fatal == 1 )){ \ icalerror_warn(icalerror_strerror(x)); \ assert(0); \ -} +} #else -void icalerror_set_errno(icalerrorenum); +void icalerror_set_errno(icalerrorenum x); #endif #ifdef ICAL_ERRORS_ARE_FATAL #undef NDEBUG #endif #define icalerror_check_value_type(value,type); #define icalerror_check_property_type(value,type); #define icalerror_check_parameter_type(value,type); #define icalerror_check_component_type(value,type); /* Assert with a message */ #ifdef ICAL_ERRORS_ARE_FATAL #ifdef __GNUC__ #define icalerror_assert(test,message) if(!(test)){fprintf(stderr,"%s(), %s:%d: %s\n",__FUNCTION__,__FILE__,__LINE__,message);icalerror_stop_here(); abort();} #else /*__GNUC__*/ #define icalerror_assert(test,message) if(!(test)){fprintf(stderr,"%s:%d: %s\n",__FILE__,__LINE__,message);icalerror_stop_here(); abort();} #endif /*__GNUC__*/ #else /* ICAL_ERRORS_ARE_FATAL */ #define icalerror_assert(test,message) #endif /* ICAL_ERRORS_ARE_FATAL */ /* Check & abort if check fails */ #define icalerror_check_arg(test,arg) if(!(test)) { icalerror_set_errno(ICAL_BADARG_ERROR); } /* Check & return void if check fails*/ #define icalerror_check_arg_rv(test,arg) if(!(test)) {icalerror_set_errno(ICAL_BADARG_ERROR); return; } /* Check & return 0 if check fails*/ #define icalerror_check_arg_rz(test,arg) if(!(test)) { icalerror_set_errno(ICAL_BADARG_ERROR); return 0;} /* Check & return an error if check fails*/ #define icalerror_check_arg_re(test,arg,error) if(!(test)) { icalerror_stop_here(); assert(0); return error;} /* Check & return something*/ #define icalerror_check_arg_rx(test,arg,x) if(!(test)) { icalerror_set_errno(ICAL_BADARG_ERROR); return x;} /* String interfaces to set an error to NONFATAL and restore it to its original value */ icalerrorstate icalerror_supress(const char* error); void icalerror_restore(const char* error, icalerrorstate es); #endif /* !ICALERROR_H */ |