94 lines
2 KiB
C
94 lines
2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* get_next_line_utils.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: kcolin <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/11/01 12:31:58 by kcolin #+# #+# */
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/* Updated: 2024/11/06 17:37:39 by kcolin ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "get_next_line.h"
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#include <stdlib.h>
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size_t ft_strlen(const char *s)
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{
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size_t i;
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if (s == NULL)
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return (0);
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i = 0;
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while (s[i] != '\0')
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i++;
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return (i);
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}
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char *ft_strjoin(char *s1, char *s2)
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{
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char *out;
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size_t i;
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size_t j;
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if (s1 == NULL)
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{
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s1 = malloc(1);
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s1[0] = '\0';
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}
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out = malloc(ft_strlen(s1) + ft_strlen(s2) + 1);
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if (out == NULL)
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return (NULL);
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i = 0;
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j = 0;
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while (s1[i] != '\0')
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{
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out[i] = s1[i];
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i++;
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}
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while (s2[j] != '\0')
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{
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out[i] = s2[j];
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i++;
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j++;
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}
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return (out);
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}
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char *ft_strchr(const char *s, int c)
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{
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size_t i;
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if (s == NULL)
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return (0);
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i = 0;
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while (s[i] != '\0')
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{
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if (s[i] == (char)c)
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return ((char *)s + i);
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i++;
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}
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if ((char)c == '\0')
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return ((char *)s + i);
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return (0);
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}
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char *ft_substr(char const *s, unsigned int start, size_t len)
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{
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char *out;
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size_t i;
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i = 0;
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if (s[i] == '\0' || start > ft_strlen(s) || len == 0)
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return (NULL);
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out = malloc((len + 1) * sizeof(char));
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if (out == NULL)
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return (NULL);
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while (i < len)
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{
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out[i] = s[start + i];
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i++;
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}
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out[i] = '\0';
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return (out);
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}
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