70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* get_map.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: adjoly <adjoly@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/01/08 13:13:18 by adjoly #+# #+# */
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/* Updated: 2024/01/19 14:30:23 by adjoly ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "so_long.h"
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size_t ft_countline_fd(int fd)
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{
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size_t line_count;
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ssize_t rd;
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char *buf;
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size_t i;
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i = 0;
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line_count = 0;
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buf = ft_calloc(1, 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 || rd == 0)
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break ;
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else if (buf[0] == '\n')
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line_count++;
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i++;
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}
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free(buf);
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return (line_count);
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}
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char **ft_read_map(char *file_name)
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{
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char **map_read;
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int fd;
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size_t i;
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size_t ln_count;
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i = 0;
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fd = open(file_name, O_RDONLY);
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if (fd < 1)
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{
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return (NULL);
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}
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ln_count = ft_countline_fd(fd);
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close(fd);
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fd = open(file_name, O_RDONLY);
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map_read = ft_calloc(sizeof(char *), ln_count);
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if (!map_read)
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{
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close (fd);
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return (NULL);
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}
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while (i < ULONG_MAX)
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{
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map_read[i] = get_next_line(fd);
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if (map_read[i] == NULL)
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break ;
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i++;
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}
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close(fd);
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return (map_read);
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}
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