aboutsummaryrefslogtreecommitdiffstats
path: root/src/mem/memccpy.c
blob: 810b71ba76bb61db10c565f3d865d1b3b3a9f1c6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/*
 * Copyright (c) 2023 Marc Pervaz Boocha
 *
 * SPDX-License-Identifier: MIT
 */

#include <mem.h>

void *calt_memccpy(void *restrict dest, void const *restrict src, unsigned char value,
		 size_t size) {
	unsigned char *d = dest;
	unsigned char const *s = src;

	while (size-- > 0) {
		*d++ = *s;
		if (*s++ == value) {
			return d;
		}
	}

	return NULL;
}

extern inline void *calt_memccpy_null(void *restrict dest,
				    void const *restrict src,
				    unsigned char value, size_t size);