tc_strcmp.c

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	tc_strcmp.c (libtcstr)
 *
 *	TC character string library
 */

#include <basic.h>
#include <tstring.h>

#define TSD_TSC_RTN_M1	(-1)


EXPORT W tc_strcmp( const TC *s1, const TC *s2 )
{
	while ( *s1 == *s2 ) {
		if ( *s1 == TNULL ) {
			return 0;
		}
		s1++;
		s2++;
	}
	return ( *s1 > *s2 )? 1 : TSD_TSC_RTN_M1;
}