66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* maps_reader.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: adjoly <adjoly@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/12/12 05:19:39 by adjoly #+# #+# */
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/* Updated: 2023/12/12 11:17:13 by adjoly ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "fdf.h"
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size_t ft_countline_fd(int fd)
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{
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size_t i;
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ssize_t rd;
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size_t count;
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char *buf;
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i = 0;
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count = 1;
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while (i <= ULONG_MAX)
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{
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rd = read(fd, buf, 1);
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if (rd == -1)
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break ;
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else if (buf[0] == '\n')
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count++;
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i++;
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}
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if (i == 0)
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return (-1);
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return (count);
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}
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int ft_read_map(int fd, char **map)
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{
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size_t i;
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while (map[i] && i <= ULONG_MAX)
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{
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map[i] = get_next_line(fd);
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i++;
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}
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if (i == 0 && map[i] == NULL)
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return (-1);
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close(fd);
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return (i);
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}
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char **ft_getmap(char *file)
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{
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char **map;
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int fd;
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fd = open(file, O_RDONLY);
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map = ft_calloc(sizeof(char), ft_countline_fd(fd));
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close(fd);
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fd = open(file, O_RDONLY);
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ft_read_map(fd, map);
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return (map);
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}
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