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/***
*assert.c - Display a message and abort
*
* Copyright (c) 1988-1991, Microsoft Corporation. All rights reserved.
*
*Purpose:
*
*Revision History:
* 05-19-88 JCR Module created.
* 08-10-88 PHG Corrected copyright date
* 03-14-90 GJF Replaced _LOAD_DS with _CALLTYPE1 and added #include
* <cruntime.h>. Also, fixed the copyright.
* 04-05-90 GJF Added #include <assert.h>
* 10-04-90 GJF New-style function declarator.
* 06-19-91 GJF Conditionally use setvbuf() on stderr to prevent
* the implicit call to malloc() if stderr is being used
* for the first time (assert() should work even if the
* heap is trashed).
*
*******************************************************************************/
#include <cruntime.h>
#include <file2.h>
#include <stdlib.h>
#include <stdio.h>
#undef NDEBUG
#include <assert.h>
static char _assertstring[] = "Assertion failed: %s, file %s, line %d\n";
/***
*_assert() - Display a message and abort
*
*Purpose:
* The assert macro calls this routine if the assert expression is
* true. By placing the assert code in a subroutine instead of within
* the body of the macro, programs that call assert multiple times will
* save space.
*
*Entry:
*
*Exit:
*
*Exceptions:
*
*******************************************************************************/
void _CALLTYPE1 _assert (
void *expr,
void *filename,
unsigned lineno
)
{
if ( !anybuf(stderr) )
/*
* stderr is unused, hence unbuffered, as yet. set it to
* single character buffering (to avoid a malloc() of a
* stream buffer).
*/
(void) setvbuf(stderr, NULL, _IONBF, 0);
fprintf(stderr, _assertstring, expr, filename, lineno);
fflush(stderr);
abort();
}
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