mirror of
https://codeberg.org/la-chouette/minishell.git
synced 2025-12-06 07:28:09 +01:00
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* simple_cmd_execute.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: khais <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/03/27 16:21:56 by khais #+# #+# */
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/* Updated: 2025/03/31 16:20:46 by khais ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "simple_cmd_execute.h"
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#include "builtins.h"
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#include "libft.h"
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#include "../../subst/subst.h"
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#include "../../env/env_convert.h"
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#include <unistd.h>
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#include <sys/wait.h>
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static char **argv_from_wordlist(t_wordlist *wordlist)
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{
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char **out;
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int i;
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out = ft_calloc(wordlist_size(wordlist) + 1, sizeof(char *));
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i = 0;
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while (wordlist != NULL)
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{
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out[i++] = ft_strdup(wordlist->word->word);
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wordlist = wordlist->next;
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}
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return (out);
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}
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static void command_not_found(t_simple_cmd *cmd)
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{
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ft_dprintf(STDERR_FILENO, "minishell: %s: command not found\n",
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cmd->words->word->word);
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}
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static t_builtin_type get_builtin(t_simple_cmd *cmd)
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{
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char *word;
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word = cmd->words->word->word;
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if (ft_strcmp("pwd", word) == 0)
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return (BUILTIN_PWD);
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if (ft_strcmp("cd", word) == 0)
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return (BUILTIN_CD);
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return (BUILTIN_INVALID);
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}
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static t_builtin_type execute_builtin(t_simple_cmd *cmd, t_minishell *app)
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{
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t_builtin_type type;
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static t_builtin_type (*builtins[])(t_simple_cmd *, t_minishell *) = {
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[BUILTIN_INVALID] = builtin_invalid,
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[BUILTIN_PWD] = builtin_pwd,
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[BUILTIN_CD] = builtin_cd,
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};
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type = get_builtin(cmd);
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return (builtins[type](cmd, app));
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}
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void simple_cmd_execute(t_simple_cmd *cmd, t_minishell *app)
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{
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char *exe;
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int pid;
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if (cmd == NULL || cmd->words == NULL || cmd->words->word == NULL)
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return ;
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if (execute_builtin(cmd, app) != BUILTIN_INVALID)
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return ;
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exe = get_cmdpath(cmd->words->word->word, app);
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if (exe == NULL)
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{
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command_not_found(cmd);
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return ;
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}
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pid = fork();
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if (pid == 0)
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execve(exe, argv_from_wordlist(cmd->words), envp_from_env(app->env));
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free(exe);
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waitpid(pid, NULL, 0);
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return ;
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}
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