68 lines
2 KiB
C
68 lines
2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_cmd.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/11/27 21:13:18 by jhalford #+# #+# */
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/* Updated: 2016/12/12 18:11:05 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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extern pid_t g_pid;
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int ft_cmd_process(char **argv)
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{
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char *execpath;
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ft_expand_dollar(argv, data_singleton()->env);
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if (ft_builtin(argv))
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return (0);
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else if (ft_strchr(argv[0], '/'))
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execpath = ft_strdup(argv[0]);
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else if (!(execpath = ft_findexec(ft_getenv(data_singleton()->env, "PATH"), argv[0])))
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{
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ft_dprintf(2, "%s: command not found: %s\n", SHELL_NAME, argv[0]);
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set_exitstatus(127);
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return (-1);
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}
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return (ft_cmd_exec(execpath, argv));
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}
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int ft_cmd_exec(char *execpath, char **argv)
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{
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pid_t pid;
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int status;
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if (access(execpath, X_OK) == -1)
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{
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ft_dprintf(2, "%s: permission denied: %s\n", SHELL_NAME, argv[0]);
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ft_strdel(&execpath);
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return (-1);
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}
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if ((pid = fork()) == -1)
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return (-1);
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else if (pid == 0)
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{
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fd_redirect();
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execve(execpath, argv, data_singleton()->env);
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exit(42);
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}
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else
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{
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ft_strdel(&execpath);
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g_pid = pid;
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if (data_singleton()->exec.foreground)
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job_new(argv, pid);
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else if (data_singleton()->exec.fdout == STDOUT)
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{
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waitpid(pid, &status, 0);
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set_exitstatus(status);
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}
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g_pid = 0;
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}
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return (0);
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}
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