171 lines
3.9 KiB
C
Executable file
171 lines
3.9 KiB
C
Executable file
/* $Id: error.c,v 1.1.1.1 2006/03/17 19:58:51 zicodxx Exp $ */
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Error handling/printing/exiting code
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <conf.h>
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#endif
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#ifdef RCS
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static char rcsid[] = "$Id: error.c,v 1.1.1.1 2006/03/17 19:58:51 zicodxx Exp $";
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include "pstypes.h"
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#include "console.h"
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#include "mono.h"
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#include "error.h"
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#define MAX_MSG_LEN 256
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//edited 05/17/99 Matt Mueller added err_ prefix to prevent conflicts with statically linking SDL
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int err_initialized=0;
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//end edit -MM
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static void (*ErrorPrintFunc)(char *);
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char exit_message[MAX_MSG_LEN]="";
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char warn_message[MAX_MSG_LEN];
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//takes string in register, calls printf with string on stack
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void warn_printf(char *s)
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{
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con_printf(CON_URGENT, "%s\n",s);
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}
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void (*warn_func)(char *s)=warn_printf;
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//provides a function to call with warning messages
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void set_warn_func(void (*f)(char *s))
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{
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warn_func = f;
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}
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//uninstall warning function - install default printf
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void clear_warn_func(void (*f)(char *s))
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{
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warn_func = warn_printf;
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}
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void set_exit_message(char *fmt,...)
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{
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va_list arglist;
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int len;
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va_start(arglist,fmt);
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len = vsprintf(exit_message,fmt,arglist);
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va_end(arglist);
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if (len==-1 || len>MAX_MSG_LEN) Error("Message too long in set_exit_message (len=%d, max=%d)",len,MAX_MSG_LEN);
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}
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void _Assert(int expr,char *expr_text,char *filename,int linenum)
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{
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Int3();
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if (!(expr)) Error("Assertion failed: %s, file %s, line %d",expr_text,filename,linenum);
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}
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void print_exit_message(void)
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{
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if (*exit_message)
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{
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if (ErrorPrintFunc)
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{
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(*ErrorPrintFunc)(exit_message);
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}
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else
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{
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#if (defined(MACINTOSH) && defined(NDEBUG) && defined(RELEASE))
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c2pstr(exit_message);
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ShowCursor();
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ParamText(exit_message, "\p", "\p", "\p");
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StopAlert(ERROR_ALERT, nil);
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#else
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con_printf(CON_CRITICAL, "%s\n",exit_message);
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#endif
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}
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}
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}
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//terminates with error code 1, printing message
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void Error(char *fmt,...)
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{
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va_list arglist;
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#if (defined(MACINTOSH) && defined(NDEBUG) && defined(RELEASE))
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strcpy(exit_message,"Error: "); // don't put the new line in for dialog output
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#else
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strcpy(exit_message,"\nError: ");
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#endif
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va_start(arglist,fmt);
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vsprintf(exit_message+strlen(exit_message),fmt,arglist);
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va_end(arglist);
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Int3();
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if (!err_initialized) print_exit_message();
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exit(1);
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}
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//print out warning message to user
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void Warning(char *fmt,...)
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{
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va_list arglist;
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if (warn_func == NULL)
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return;
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strcpy(warn_message,"Warning: ");
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va_start(arglist,fmt);
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vsprintf(warn_message+strlen(warn_message),fmt,arglist);
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va_end(arglist);
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mprintf((0, "%s\n", warn_message));
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(*warn_func)(warn_message);
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}
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//initialize error handling system, and set default message. returns 0=ok
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int error_init(void (*func)(char *), char *fmt, ...)
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{
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va_list arglist;
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int len;
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atexit(print_exit_message); //last thing at exit is print message
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ErrorPrintFunc = func; // Set Error Print Functions
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if (fmt != NULL) {
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va_start(arglist,fmt);
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len = vsprintf(exit_message,fmt,arglist);
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va_end(arglist);
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if (len==-1 || len>MAX_MSG_LEN) Error("Message too long in error_init (len=%d, max=%d)",len,MAX_MSG_LEN);
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}
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err_initialized=1;
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return 0;
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}
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