diff options
Diffstat (limited to 'src/execute_cmd.c')
| -rw-r--r-- | src/execute_cmd.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/execute_cmd.c b/src/execute_cmd.c new file mode 100644 index 0000000..803d88f --- /dev/null +++ b/src/execute_cmd.c @@ -0,0 +1,77 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* execute_cmd.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/12/17 19:21:35 by chuhlig #+# #+# */ +/* Updated: 2025/01/13 09:50:56 by chuhlig ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "minishell.h" +#include <fcntl.h> +#include <stdlib.h> +#include <sys/_types/_pid_t.h> +#include <sys/_types/_s_ifmt.h> +#include <sys/fcntl.h> +#include <unistd.h> + +int execute_cmd(t_cmd *cmd, t_env **env) +{ + char *cmd_path; + pid_t pid; + int status; + int result; + int original_stdout; + int original_stdin; + + original_stdout = dup(STDOUT_FILENO); + original_stdin = dup(STDIN_FILENO); + if (handle_redirections(cmd->redirs) == -1) + { + dup2(original_stdout, STDOUT_FILENO); + dup2(original_stdin, STDIN_FILENO); + close(original_stdout); + close(original_stdin); + return (EXIT_FAILURE); + } + if (is_builtin(cmd->args[0])) + { + result = execute_builtin(cmd->args, env); + dup2(original_stdout, STDOUT_FILENO); + dup2(original_stdin, STDIN_FILENO); + close(original_stdout); + close(original_stdin); + return (result); + } + pid = fork(); + if (pid == -1) + { + perror("fork"); + dup2(original_stdout, STDOUT_FILENO); + dup2(original_stdin, STDIN_FILENO); + close(original_stdout); + close(original_stdin); + return (EXIT_FAILURE); + } + if (pid == 0) + { + cmd_path = get_cmd_path(cmd->args[0], *env); + if (!cmd_path) + { + printf("%s: command not found\n", cmd->args[0]); + exit(EXIT_FAILURE); + } + execve(cmd_path, cmd->args, env_to_strlst(*env)); + perror("execve"); + exit(EXIT_FAILURE); + } + waitpid(pid, &status, 0); + dup2(original_stdout, STDOUT_FILENO); + dup2(original_stdin, STDIN_FILENO); + close(original_stdout); + close(original_stdin); + return (WEXITSTATUS(status)); +}
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