// SPDX-License-Identifier: GPL-2.0
/*
 * arch/mips/boot/compressed/string.c
 *
 * Very small subset of simple string routines
 */

#include <linux/compiler_attributes.h>
#include <linux/types.h>
#include <asm/string.h>

void *memcpy(void *dest, const void *src, size_t n)
{
        int i;
        const char *s = src;
        char *d = dest;

        for (i = 0; i < n; i++)
                d[i] = s[i];
        return dest;
}

void *memset(void *s, int c, size_t n)
{
        int i;
        char *ss = s;

        for (i = 0; i < n; i++)
                ss[i] = c;
        return s;
}

void * __weak memmove(void *dest, const void *src, size_t n)
{
        unsigned int i;
        const char *s = src;
        char *d = dest;

        if ((uintptr_t)dest < (uintptr_t)src) {
                for (i = 0; i < n; i++)
                        d[i] = s[i];
        } else {
                for (i = n; i > 0; i--)
                        d[i - 1] = s[i - 1];
        }
        return dest;
}