libft101/ft_strncmp.c at master · thperchi/libft101 · GitHub

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
/* ************************************************************************** */
/*                                                          LE - /            */
/*                                                              /             */
/*   ft_strncmp.c                                     .::    .:/ .      .::   */
/*                                                 +:+:+   +:    +:  +:+:+    */
/*   By: thperchi <marvin@le-101.fr>                +:+   +:    +:    +:+     */
/*                                                 #+#   #+    #+    #+#      */
/*   Created: 2018/07/08 01:58:48 by thperchi     #+#   ##    ##    #+#       */
/*   Updated: 2018/10/10 15:42:14 by thperchi    ###    #+. /#+    ###.fr     */
/*                                                         /                  */
/*                                                        /                   */
/* ************************************************************************** */

#include "libft.h"

int		ft_strncmp(const char *s1, const char *s2, size_t n)
{
	unsigned int x;

	x = 0;
	while (((unsigned char)s1[x] || (unsigned char)s2[x]) && x < n)
	{
		while ((unsigned char)s1[x] != (unsigned char)s2[x])
			return ((unsigned char)s1[x] - (unsigned char)s2[x]);
		x++;
	}
	return (0);
}