106 lines
2.4 KiB
C
106 lines
2.4 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: 2022/04/19 18:11:38 by apommier ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../../includes/minishell.h"
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void set_fdin(t_cmd *cmd, int *fdin)
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{
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if (cmd->current_s_cmd->infile)
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{
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*fdin = open(cmd->current_s_cmd->infile, O_RDWR);
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if (*fdin < 0)
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printf("Minishell: open : bad file descriptor\n");
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}
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else
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*fdin = dup(cmd->tmpin);
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}
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void reset_fds(t_cmd *cmd)
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{
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close_pipe(cmd);
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dup2(cmd->tmpin, 0);
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dup2(cmd->tmpout, 1);
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close(cmd->tmpin);
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close(cmd->tmpout);
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wait_exit(cmd);
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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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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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free(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 (!path)
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return (0);
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if ((exec[0][0] == '/' || exec[0][0] == '.') && !access(exec[0], F_OK))
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return (exec[0]);
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else if (exec[0][0] == '/')
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return (0);
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swap = does_access(path, exec);
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return (swap);
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}
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