cc65/src/common/check.c

/*****************************************************************************/
/*                                                                           */
/*				    check.c				     */
/*                                                                           */
/*			      Assert like macros			     */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 1998-2001 Ullrich von Bassewitz                                       */
/*               Wacholderweg 14                                             */
/*               D-70597 Stuttgart                                           */
/* EMail:        uz@cc65.org                                                 */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/



#include <stdlib.h>

#include "abend.h"
#include "check.h"



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/*	       			     Data				     */
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/* Predefined messages */
const char* MsgInternalError	= "Internal error: ";
const char* MsgPrecondition	= "Precondition violated: ";
const char* MsgCheckFailed	= "Check failed: ";
const char* MsgProgramAborted	= "Program aborted: ";



static void DefaultCheckFailed (const char* msg, const char* cond,
	   			const char* file, unsigned line)
	   			attribute ((noreturn));

void (*CheckFailed) (const char* Msg, const char* Cond,
       	       	     const char* File, unsigned Line) attribute ((noreturn))
		= DefaultCheckFailed;
/* Function pointer that is called from check if the condition code is true. */



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/*		   	  	     Code      	 		   	     */
/*****************************************************************************/



static void DefaultCheckFailed (const char* Msg, const char* Cond,
				const char* File, unsigned Line)
{
    /* Output a diagnostic and abort */
    AbEnd ("%s%s, file `%s', line %u", Msg, Cond, File, Line);
}