123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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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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#include <cstdlib>
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#include <stdio.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 "dxxerror.h"
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#define MAX_MSG_LEN 256
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static void (*ErrorPrintFunc)(const char *);
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//takes string in register, calls printf with string on stack
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static void warn_printf(const char *s)
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{
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con_puts(CON_URGENT,s);
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}
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static void (*warn_func)(const 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)(const 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()
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{
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warn_func = warn_printf;
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}
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static void __noreturn print_exit_message(const char *exit_message, size_t len)
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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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con_puts(CON_CRITICAL, exit_message, len);
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d_debugbreak();
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std::abort();
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}
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void (Error_puts)(const char *func, const unsigned line, const char *str)
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{
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char exit_message[MAX_MSG_LEN]; // don't put the new line in for dialog output
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int len = snprintf(exit_message, sizeof(exit_message), "%s:%u: error: %s", func, line, str);
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print_exit_message(exit_message, len);
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}
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//terminates with error code 1, printing message
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void (Error)(const char *func, const unsigned line, const char *fmt,...)
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{
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char exit_message[MAX_MSG_LEN]; // don't put the new line in for dialog output
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va_list arglist;
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int leader = snprintf(exit_message, sizeof(exit_message), "%s:%u: error: ", func, line);
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va_start(arglist,fmt);
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int len = vsnprintf(exit_message+leader,sizeof(exit_message)-leader,fmt,arglist);
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va_end(arglist);
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print_exit_message(exit_message, len);
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}
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void Warning_puts(const char *str)
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{
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if (warn_func == NULL)
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return;
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char warn_message[MAX_MSG_LEN];
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snprintf(warn_message, sizeof(warn_message), "Warning: %s", str);
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(*warn_func)(warn_message);
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}
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//print out warning message to user
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void (Warning)(const 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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char warn_message[MAX_MSG_LEN];
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strcpy(warn_message,"Warning: ");
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va_start(arglist,fmt);
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vsnprintf(warn_message+9,sizeof(warn_message)-9,fmt,arglist);
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va_end(arglist);
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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)(const char *))
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{
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ErrorPrintFunc = func; // Set Error Print Functions
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return 0;
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}
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