Diffstat (limited to 'libical/src/libical/icalerror.h') (more/less context) (ignore whitespace changes)
-rw-r--r-- | libical/src/libical/icalerror.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/libical/src/libical/icalerror.h b/libical/src/libical/icalerror.h new file mode 100644 index 0000000..52f5ba9 --- a/dev/null +++ b/libical/src/libical/icalerror.h @@ -0,0 +1,156 @@ +/* -*- 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 + 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_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 + +} icalerrorenum; + +/* The libical error enumeration, like errno*/ +extern icalerrorenum icalerrno; + +/* If true, libicl aborts after a call to icalerror_set_error*/ +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); + +/* 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; \ +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); +#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 */ + + + |