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ft_strncmp.c
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ft_strncmp.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strncmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ncolomer <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/07 14:22:36 by ncolomer #+# #+# */
/* Updated: 2019/10/10 01:53:03 by ncolomer ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int
cmp_char(char c1, char c2)
{
if ((unsigned char)c1 != (unsigned char)c2)
return ((unsigned char)c1 - (unsigned char)c2);
return (0);
}
int
ft_strncmp(const char *s1, const char *s2, size_t n)
{
size_t i;
i = 0;
while (s1[i] && s2[i] && i < n)
{
if (cmp_char(s1[i], s2[i]))
return (s1[i] - s2[i]);
i++;
}
if (i < n)
return (cmp_char(s1[i], s2[i]));
return (0);
}