75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/* ************************************************************************** */
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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: madumerg <madumerg@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/24 11:51:12 by madumerg #+# #+# */
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/* Updated: 2024/09/04 15:59:19 by madumerg ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../includes/libft.h"
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char ft_end_of_line(char *line, char *buffer)
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{
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int i;
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int j;
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i = 0;
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j = 0;
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while (line[i] && line[i] != '\n')
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i++;
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if (line[i] == '\n')
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{
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i++;
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while (line[i])
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{
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buffer[j] = line[i];
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i++;
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j++;
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}
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buffer[j] = '\0';
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line[i - j] = '\0';
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return (1);
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}
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return (0);
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}
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char *ft_verif(char **buffer, char *line)
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{
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free(*buffer);
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*buffer = NULL;
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if (line[0] != '\0')
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return (line);
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free(line);
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return (NULL);
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}
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char *get_next_line(int fd)
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{
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static char *buffer;
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char *line;
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int read_nb;
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if (fd < 0 || fd > 1023 || BUFFER_SIZE <= 0)
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return (NULL);
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line = ft_calloc(1, 1);
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if (!buffer)
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buffer = ft_calloc(sizeof(char), (BUFFER_SIZE + 1));
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while (buffer && line)
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{
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line = ft_strjoin(line, buffer);
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if (!line)
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return (NULL);
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if (ft_end_of_line(line, buffer) == 1)
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return (line);
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read_nb = read(fd, buffer, BUFFER_SIZE);
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if (read_nb < 1)
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return (ft_verif(&buffer, line));
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buffer[read_nb] = '\0';
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}
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return (NULL);
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}
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