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[libc] Allow assertion failures to be counted

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2011-10-14 13:32:36 +01:00
parent 38b205d0a4
commit dc821ca961
2 changed files with 33 additions and 0 deletions
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30
src/core/assert.c Normal file
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@ -0,0 +1,30 @@
/*
* Copyright (C) 2011 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* Assertions
*
*/
#include <assert.h>
/** Number of assertion failures triggered */
unsigned int assertion_failures = 0;

3
src/include/assert.h
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@ -18,6 +18,8 @@ FILE_LICENCE ( GPL2_OR_LATER );
#define ASSERTING 1
#endif
extern unsigned int assertion_failures;
/** printf() for assertions
*
* This function exists so that the assert() macro can expand to
@ -43,6 +45,7 @@ assert_printf ( const char *fmt, ... ) asm ( "printf" );
#define assert( condition ) \
do { \
if ( ASSERTING && ! (condition) ) { \
assertion_failures++; \
assert_printf ( "assert(%s) failed at %s line %d\n", \
#condition, __FILE__, __LINE__ ); \
} \