fis-gtm/sr_port/gtm_memcmp.c

29 lines
943 B
C

/****************************************************************
* *
* Copyright 2001, 2007 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
/* gtm_memcmp - GT.M interlude to C library memcmp function.
*
* gtm_memcmp is an interlude to the supplied C library memcmp that
* prevents memory addressing errors that can occur when the length
* of the items to be compared is zero and the supplied function
* does not first validate its input parameters.
*/
#include "mdef.h"
#include "gtm_string.h"
#undef memcmp
int gtm_memcmp (const void *a, const void *b, size_t len)
{
return (int)(len == 0 ? len : memcmp(a, b, len));
}