118 lines
2.3 KiB
C
118 lines
2.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* pipex_utils.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/03/08 16:58:40 by apommier #+# #+# */
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/* Updated: 2022/03/08 20:40:43 by apommier ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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void free_double(char **tab)
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{
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int i;
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i = 0;
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if (tab)
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{
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while (tab[i])
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free(tab[i++]);
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free(tab);
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}
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}
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void print_double(char **tab)
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{
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int i;
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i = 0;
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if (tab)
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{
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while (tab[i])
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{
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printf("%d -%s-\n", i, tab[i]);
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i++;
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}
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printf("end double\n");
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}
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}
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char **get_path(char **env)
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{
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int i;
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char **line;
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char *swap;
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i = 0;
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line = 0;
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swap = 0;
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while (env[i++] && env[i])
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{
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if (!ft_strncmp(env[i], "PATH=", 5))
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{
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swap = ft_substr(env[i], 5, ft_strlen(env[i]));
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if (!swap)
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exit(1);
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line = ft_split(swap, ':');
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if (!line)
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exit(1);
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free(swap);
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return (line);
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}
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free(line);
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}
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return (0);
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}
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//verify access with cmd access
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char *does_access(char **path, char **exec)
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{
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int i;
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char *cmd;
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char *swap;
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swap = 0;
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cmd = 0;
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i = 0;
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if (exec[0][0] != '/')
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swap = ft_strjoin(path[i], "/");
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cmd = ft_strjoin(swap, exec[0]);
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free(swap);
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swap = cmd;
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while (access(swap, F_OK) && path[i++])
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{
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free(swap);
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swap = ft_strjoin(path[i], "/");
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cmd = swap;
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swap = ft_strjoin(swap, exec[0]);
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free(cmd);
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}
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if (path[i])
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return (swap);
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return (0);
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}
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char *get_command(char **exec, char **path)
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{
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char *swap;
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swap = 0;
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if (exec[0][0] == '/' && !access(exec[0], F_OK))
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{
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free_double(path);
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return (exec[0]);
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}
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else if (exec[0][0] == '/')
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{
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printf("BAD PATH FOR CMD\n");
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free_double(path);
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return(0);
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}
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swap = does_access(path, exec);
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return (swap);
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} |