2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
15 * Error handling/printing/exiting code
33 #define MAX_MSG_LEN 256
35 //edited 05/17/99 Matt Mueller added err_ prefix to prevent conflicts with statically linking SDL
36 int err_initialized=0;
39 static void (*ErrorPrintFunc)(char *);
41 char exit_message[MAX_MSG_LEN]="";
42 char warn_message[MAX_MSG_LEN];
44 //takes string in register, calls printf with string on stack
45 void warn_printf(char *s)
47 con_printf(CON_URGENT, "%s\n",s);
50 void (*warn_func)(char *s)=warn_printf;
52 //provides a function to call with warning messages
53 void set_warn_func(void (*f)(char *s))
58 //uninstall warning function - install default printf
59 void clear_warn_func(void (*f)(char *s))
61 warn_func = warn_printf;
64 void set_exit_message(char *fmt,...)
69 va_start(arglist,fmt);
70 len = vsprintf(exit_message,fmt,arglist);
73 if (len==-1 || len>MAX_MSG_LEN) Error("Message too long in set_exit_message (len=%d, max=%d)",len,MAX_MSG_LEN);
77 void _Assert(int expr,char *expr_text,char *filename,int linenum)
80 if (!(expr)) Error("Assertion failed: %s, file %s, line %d",expr_text,filename,linenum);
83 void print_exit_message(void)
89 (*ErrorPrintFunc)(exit_message);
93 #if (defined(MACINTOSH) && defined(NDEBUG) && defined(RELEASE))
96 ParamText(exit_message, "\p", "\p", "\p");
97 StopAlert(ERROR_ALERT, nil);
99 con_printf(CON_CRITICAL, "%s\n",exit_message);
105 //terminates with error code 1, printing message
106 void Error(char *fmt,...)
110 #if (defined(MACINTOSH) && defined(NDEBUG) && defined(RELEASE))
111 strcpy(exit_message,"Error: "); // don't put the new line in for dialog output
113 strcpy(exit_message,"\nError: ");
115 va_start(arglist,fmt);
116 vsprintf(exit_message+strlen(exit_message),fmt,arglist);
119 if (!err_initialized) print_exit_message();
124 //print out warning message to user
125 void Warning(char *fmt,...)
129 if (warn_func == NULL)
132 strcpy(warn_message,"Warning: ");
134 va_start(arglist,fmt);
135 vsprintf(warn_message+strlen(warn_message),fmt,arglist);
138 mprintf((0, "%s\n", warn_message));
139 (*warn_func)(warn_message);
143 //initialize error handling system, and set default message. returns 0=ok
144 int error_init(void (*func)(char *), char *fmt, ...)
149 atexit(print_exit_message); //last thing at exit is print message
151 ErrorPrintFunc = func; // Set Error Print Functions
154 va_start(arglist,fmt);
155 len = vsprintf(exit_message,fmt,arglist);
157 if (len==-1 || len>MAX_MSG_LEN) Error("Message too long in error_init (len=%d, max=%d)",len,MAX_MSG_LEN);