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get_next_line_utils.c
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get_next_line_utils.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* get_next_line_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: eduaserr <eduaserr@student.42malaga.com +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/29 12:22:56 by eduaserr #+# #+# */
/* Updated: 2024/06/18 16:24:07 by eduaserr ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line.h"
char *ft_strchr(char *str, int c)
{
int i;
i = -1;
while (str[++i])
if (str[i] == (char) c)
return ((char *) &str[i]);
if (str[i] == (char) c)
return ((char *) &str[i]);
return (NULL);
}
ssize_t ft_strlen(char *str)
{
int i;
i = 0;
while (str[i])
i++;
return (i);
}
char *ft_substr_gnl(char *str, unsigned int start, ssize_t len)
{
char *substr;
ssize_t i;
i = -1;
if (start >= ft_strlen(str))
return (NULL);
if (len + start > ft_strlen(str))
len = ft_strlen(str) - start;
substr = (char *)malloc(sizeof(char) * len + 1);
if (!substr)
return (NULL);
while (++i < len)
substr[i] = str[i + start];
substr[i] = '\0';
return (substr);
}
char *ft_strdup(char *str)
{
char *p;
int i;
i = -1;
p = (char *)malloc(sizeof(char) * ft_strlen(str) + 1);
if (!p)
return (NULL);
while (str[++i])
p[i] = str[i];
p[i] = '\0';
return (p);
}
char *ft_strjoin_gnl(char *s1, char *s2)
{
char *s3;
ssize_t i;
ssize_t j;
i = -1;
j = -1;
if (!s1)
s1 = ft_strdup("");
if (!s1)
return (NULL);
s3 = malloc(sizeof(char) * ft_strlen(s1) + ft_strlen(s2) + 1);
if (!s3)
return (NULL);
while (s1[++i])
s3[i] = s1[i];
while (s2[++j])
s3[i++] = s2[j];
s3[i] = '\0';
return (ft_free_str(&s1), s3);
}