src/lib/string.c


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
27
28
29
30
31
32
33

#include <stddef.h>

size_t strlen(const char *s)
{
	size_t c = 0;

	while (s[c])
		c++;

	return c;
}

char *strcpy(char *restrict dst, const char *restrict src)
{
	size_t pos = 0;
	size_t len = strlen(src) + 1;

	for(pos = 0; pos <= len; pos++)
		dst[pos] = src[pos];

	return dst;
}

void *memset(void *s, int c, size_t n) {

	char *cur = (char*) s;
	int i;

	for (i = 0; i < n; i++)
		cur[i] = (unsigned char)c;

	return s;
}