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libft_plus.c
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libft_plus.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* libft_plus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: taehkwon <taehkwon@student.42seoul.kr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/08/04 10:29:48 by seojchoi #+# #+# */
/* Updated: 2023/09/09 04:51:03 by taehkwon ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
char *ft_strjoin_c(char const *s1, char c)
{
size_t s1_s;
size_t i;
char *new;
s1_s = ft_strlen(s1);
new = (char *)malloc(sizeof(char) * (s1_s + 2));
if (new == 0)
return (0);
i = 0;
while (i < s1_s)
{
new[i] = s1[i];
i++;
}
new[i++] = c;
new[i] = '\0';
return (new);
}
char *ft_strndup(const char *s1, int n)
{
int size;
char *new;
size = 0;
while (s1[size] && size < n - 1)
size++;
new = (char *)malloc(sizeof(char) * (size + 1));
if (new == 0)
return (0);
new[size--] = '\0';
while (size >= 0)
{
new[size] = s1[size];
size--;
}
return (new);
}
int ft_strcmp(const char *s1, const char *s2)
{
size_t i;
unsigned char case1;
unsigned char case2;
i = 0;
while ((s1[i] != '\0' || s2[i] != '\0'))
{
case1 = (unsigned char)s1[i];
case2 = (unsigned char)s2[i];
if (case1 != case2)
return (case1 - case2);
i++;
}
return (0);
}