109 lines
2.1 KiB
C
109 lines
2.1 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: sadjigui <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/06/28 15:54:00 by sadjigui #+# #+# */
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/* Updated: 2021/06/28 16:04:36 by sadjigui ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "get_next_line.h"
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size_t ft_strlen(const char *str)
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{
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int i;
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i = 0;
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if (!str)
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return (0);
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while (str[i])
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i++;
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return (i);
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}
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char *ft_strdup(char const *s1)
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{
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int i;
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char *dest;
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dest = malloc(sizeof(char) * ft_strlen(s1) + 1);
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if (!dest)
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return (0);
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i = 0;
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while (s1[i] != 0)
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{
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dest[i] = s1[i];
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i++;
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}
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dest[i] = 0;
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return (dest);
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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 *str;
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size_t i;
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size_t j;
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i = -1;
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if (!s)
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return (NULL);
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j = ft_strlen(s);
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if (!len || j <= start)
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return (ft_strdup(""));
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str = (char *)malloc(sizeof(char) * len + 1);
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if (!str)
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return (NULL);
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j = 0;
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while (s[++i] && j < len)
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{
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if (i >= start)
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str[j++] = s[i];
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}
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str[j] = '\0';
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return (str);
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}
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char *ft_strjoin(char const *s1, char const *s2)
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{
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int i;
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char *str;
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i = 0;
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str = malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
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if (!str)
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return (NULL);
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if (s1)
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{
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while (s1[i])
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{
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str[i] = s1[i];
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i++;
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}
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}
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while (*s2)
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{
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str[i] = *s2++;
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i++;
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}
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str[i] = '\0';
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return (str);
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}
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char *ft_check(char *s, char c)
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{
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int i;
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i = 0;
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while (s[i])
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{
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if (s[i] == c)
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return ((char *)&s[i]);
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i++;
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}
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return (NULL);
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}
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