aml/aml_strcmp.c

/*
 * Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
 *
 * SPDX-License-Identifier: MIT
 */

#include "aml_strcmp.h"

int strcmp(const char *s1, const char *s2)
{
	const unsigned char *c1 = (const unsigned char *)s1;
	const unsigned char *c2 = (const unsigned char *)s2;
	unsigned char ch;
	int d = 0;

	while (1) {
		d = (int)(ch = *c1++) - (int)*c2++;
		if (d || !ch)
			break;
	}

	return d;
}