97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* echo.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/17 13:09:08 by erey-bet #+# #+# */
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/* Updated: 2023/02/21 16:02:09 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../minishell.h"
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int is_space(char c)
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{
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return (c == ' ' || c == '\f' || c == '\v' || c == '\t'
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|| c == '\r' || c == '\n');
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}
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int check_argument(char *str, int *check, int i)
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{
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int y;
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y = 0;
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if (str[i] == '-')
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{
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while (!is_space(str[i]) || (str[i + 1] == '-' ))
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{
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i++;
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if (is_space(str[i]))
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{
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y = i;
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*check = 1;
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}
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else if (str[i] == '-' && str[i - 1] != '-')
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;
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else if (str[i] != 'n')
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break ;
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}
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i = y;
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while (is_space(str[i]))
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i++;
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}
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return (i);
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}
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char *conca(char **strings)
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{
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int len;
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char *result;
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char *p;
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int i;
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i = -1;
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while (strings[++i] != NULL)
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len += strlen(strings[i]);
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result = (char *) ft_calloc(len * 2 + 1, sizeof(char));
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if (result == NULL)
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return NULL;
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i = 0;
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while (strings[i] != NULL)
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{
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ft_strncpy(result + ft_strlen(result), strings[i], ft_strlen(strings[i]));
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ft_strncpy(result + ft_strlen(result), " ", 1);
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i++;
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}
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return (result);
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}
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int echo(int fd, char **strs)
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{
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int check;
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int i;
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char *str;
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str = conca(strs);
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check = 0;
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i = 0;
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while (is_space(str[i]))
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i++;
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i = check_argument(str, &check, i);
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while (str[i])
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ft_putchar_fd(str[i++], fd);
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if (!check)
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write(fd, "\n", 1);
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return (0);
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}
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int main(int argc, char *argv[])
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{
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echo(1, argv);
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return (0);
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}
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