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/* memset_s( void *, rsize_t, int, rsize_t )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#define __STDC_WANT_LIB_EXT1__ 1
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#ifndef REGTEST
errno_t memset_s( void * s, rsize_t smax, int c, rsize_t n )
{
unsigned char * p = ( unsigned char * ) s;
if ( s == NULL || smax > RSIZE_MAX || n > RSIZE_MAX || n > smax )
{
if ( s != NULL && smax <= RSIZE_MAX )
{
memset( s, c, smax );
}
_PDCLIB_constraint_handler( _PDCLIB_CONSTRAINT_VIOLATION( _PDCLIB_EINVAL ) );
return _PDCLIB_EINVAL;
}
while ( n-- )
{
*p++ = ( unsigned char ) c;
}
return 0;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
#if ! defined( REGTEST ) || defined( __STDC_LIB_EXT1__ )
static int HANDLER_CALLS = 0;
static void test_handler( const char * _PDCLIB_restrict msg, void * _PDCLIB_restrict ptr, errno_t error )
{
++HANDLER_CALLS;
}
#endif
int main( void )
{
#if ! defined( REGTEST ) || defined( __STDC_LIB_EXT1__ )
char s[] = "xxxxxxxxx";
set_constraint_handler_s( test_handler );
TESTCASE( memset_s( s, 10, 'o', 10 ) == 0 );
TESTCASE( s[9] == 'o' );
TESTCASE( memset_s( s, 10, '_', ( 0 ) ) == 0 );
TESTCASE( s[0] == 'o' );
TESTCASE( memset_s( s, 10, '_', 1 ) == 0 );
TESTCASE( s[0] == '_' );
TESTCASE( s[1] == 'o' );
TESTCASE( HANDLER_CALLS == 0 );
#endif
return TEST_RESULTS;
}
#endif
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