105 lines
2.2 KiB
C
105 lines
2.2 KiB
C
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* get_next_line.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 00:52:47 by cchauvet #+# #+# */
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/* Updated: 2022/11/14 15:37:48 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "get_next_line.h"
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char *ft_getstash(int fd)
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{
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char *str;
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int readed;
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str = ft_calloc(BUFFER_SIZE + 1, sizeof(char));
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if (str == NULL)
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return (NULL);
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readed = read(fd, str, BUFFER_SIZE);
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if (readed < 1)
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{
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free(str);
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return (NULL);
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}
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return (str);
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}
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char *ft_getline(int fd)
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{
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char *stash;
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char *buf;
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stash = NULL;
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buf = NULL;
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while (ft_strchr(stash, '\n') == -1)
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{
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buf = ft_getstash(fd);
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if (buf == NULL)
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return (stash);
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stash = ft_strfjoin(stash, buf);
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if (stash == NULL)
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return (NULL);
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}
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return (stash);
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}
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char *ft_getreturn(char *str)
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{
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int i;
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if (str == NULL)
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return (NULL);
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i = ft_strchr(str, '\n') + 1;
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if (i == 0)
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i = ft_strlen(str);
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return (ft_strndup(str, i));
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}
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char *ft_getextra(char *str)
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{
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int i;
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int j;
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if (str == NULL)
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return (NULL);
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i = ft_strchr(str, '\n') + 1;
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if (i == 0)
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return (NULL);
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j = ft_strlen(str + i);
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return (ft_strndup(str + i, j));
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}
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char *get_next_line(int fd)
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{
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static char *stash = NULL;
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char *buf1;
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char *buf2;
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buf2 = stash;
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if (ft_strchr(stash, '\n') == -1)
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{
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buf1 = ft_getline(fd);
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buf2 = ft_strfjoin(stash, buf1);
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if (buf2 == NULL)
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{
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free(buf1);
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return (NULL);
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}
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}
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buf1 = ft_getreturn(buf2);
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stash = ft_getextra(buf2);
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free(buf2);
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if (buf1 == NULL)
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{
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free(stash);
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free(buf1);
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return (NULL);
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}
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return (buf1);
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}
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