107 lines
2.1 KiB
C
107 lines
2.1 KiB
C
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/* ************************************************************************** */
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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: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/10/26 00:55:44 by cchauvet #+# #+# */
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/* Updated: 2022/11/14 15:39:50 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "get_next_line.h"
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void *ft_calloc(size_t nmemb, size_t size)
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{
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char *tab;
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size_t i;
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if (nmemb == 0 || size * nmemb / nmemb != size)
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return (NULL);
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tab = malloc(nmemb * size);
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if (tab == NULL)
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return (NULL);
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i = 0;
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while (i < size * nmemb)
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{
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tab[i] = 0;
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i++;
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}
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return ((void *) tab);
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}
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size_t ft_strlen(char *str)
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{
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size_t i;
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if (str == NULL)
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return (0);
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i = 0;
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while (str[i] != '\0')
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i++;
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return (i);
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}
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char *ft_strfjoin(char *s1, char *s2)
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{
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ssize_t i;
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ssize_t j;
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char *out;
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out = ft_calloc((ft_strlen(s1) + ft_strlen(s2) + 1), sizeof(char));
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if (out == NULL)
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return (NULL);
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i = 0;
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if (s1 != NULL)
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{
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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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}
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free(s1);
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j = -1;
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if (s2 != NULL)
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{
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while (s2[++j] != '\0')
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out[i + j] = s2[j];
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}
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free(s2);
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return (out);
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}
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char *ft_strndup(char *src, size_t n)
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{
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char *out;
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size_t i;
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if (src[0] == '\0')
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return (NULL);
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out = ft_calloc(n + 1, sizeof(char));
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if (out == NULL)
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return (NULL);
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i = 0;
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while (src[i] != '\0' && i < n)
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{
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out[i] = src[i];
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i++;
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}
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return (out);
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}
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ssize_t ft_strchr(char *str, char c)
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{
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size_t i;
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if (str == NULL)
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return (-1);
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i = 0;
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while (str[i] != c && str[i] != '\0')
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i++;
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if (str[i] == '\0')
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return (-1);
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return (i);
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}
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