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 */
+
+
+