106 lines
2.4 KiB
C
Executable File
106 lines
2.4 KiB
C
Executable File
/* ************************************************************************** */
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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: hexplor <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/12/20 14:35:58 by hexplor #+# #+# */
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/* Updated: 2024/02/20 21:58:41 by yantoine ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "get_next_line.h"
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static char *ft_getline(char *static_str)
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{
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int i;
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char *line;
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i = 0;
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if (!static_str[i])
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return (NULL);
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while (static_str[i] && static_str[i] != '\n')
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i++;
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line = (char *)malloc(sizeof(char) * (i + 2));
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if (!line)
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return (NULL);
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i = 0;
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while (static_str[i] && static_str[i] != '\n')
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{
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line[i] = static_str[i];
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i++;
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}
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if (static_str[i] == '\n')
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{
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line[i] = static_str[i];
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i++;
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}
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line[i] = '\0';
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return (line);
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}
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static char *read_fd(int fd, char *str)
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{
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char *tmp;
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int bytes;
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tmp = malloc((BUFFER_SIZE + 1) * sizeof(char));
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if (!tmp)
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return (NULL);
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bytes = 1;
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while (!gnl_strchr(str, '\n') && (bytes != 0))
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{
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bytes = read(fd, tmp, BUFFER_SIZE);
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if (bytes == -1)
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{
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free(tmp);
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return (NULL);
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}
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tmp[bytes] = '\0';
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str = gnl_strjoin(str, tmp);
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}
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free(tmp);
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return (str);
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}
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static char *ft_remove_bn(char *static_str)
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{
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int i;
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int j;
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char *restof;
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i = 0;
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while (static_str[i] && static_str[i] != '\n')
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i++;
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if (!static_str[i])
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{
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free(static_str);
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return (NULL);
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}
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restof = (char *)malloc(sizeof(char) * (gnl_strlen(static_str) - i + 1));
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if (!restof)
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return (NULL);
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i++;
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j = 0;
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while (static_str[i])
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restof[j++] = static_str[i++];
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restof[j] = '\0';
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free(static_str);
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return (restof);
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}
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char *get_next_line(int fd)
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{
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static char *static_str;
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char *line;
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if (fd < 0 || BUFFER_SIZE <= 0)
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return (0);
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static_str = read_fd(fd, static_str);
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if (!static_str)
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return (NULL);
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line = ft_getline(static_str);
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static_str = ft_remove_bn(static_str);
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return (line);
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}
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