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[libc] Allow assertion failures to be counted
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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mcb30 committed Oct 14, 2011
1 parent 38b205d commit dc821ca
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Showing 2 changed files with 33 additions and 0 deletions.
30 changes: 30 additions & 0 deletions src/core/assert.c
@@ -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 changes: 3 additions & 0 deletions src/include/assert.h
Expand Up @@ -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
Expand All @@ -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__ ); \
} \
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