simple_shell/execute.c at main · Issmuth/simple_shell · GitHub

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#include "shell.h"

/**
 * perrs - prints error message
 * @shellf: ..
 * @loop: ..
 */

void perrs(shell_info shellf, char *loop)
{
	write(STDERR_FILENO, shellf.name, _strlen(shellf.name));
	write(STDERR_FILENO, ": ", 2);
	write(STDERR_FILENO, loop, _strlen(loop));
	write(STDERR_FILENO, ": ", 2);
	perror(shellf.args[0]);
}

/**
 * execute - executes the command
 * @shellf: shell data
 *
 * Return: 0 on success
 */

int execute(shell_info shellf)
{
	pid_t pid;
	int exec_stat;
	char *loop;

	if (shellf.args == NULL)
		return (-1);
	if (shellf.args[0] == NULL)
	{
		free(shellf.args);
		return (-1);
	}
	loop = _itoa(shellf.loop_count);
	pid = fork();
	if (pid < 0)
	{
		perror("Error:");
		return (-1);
	}
	if (pid == 0)
	{
		execve((shellf.args)[0], shellf.args, environ);
		if (errno == EACCES)
		{
			exec_stat = 126;
			perrs(shellf, loop);
		} else
		{
			exec_stat = errno;
			perror(shellf.args[0]);
		}
		free(loop), freedom(shellf);
		exit(exec_stat);
	} else
	{
		wait(&(shellf.stat));
		if (WIFEXITED(shellf.stat))
			shellf.stat = WEXITSTATUS(shellf.stat);
	}
	free(loop), freedom(shellf);
	return (shellf.stat);
}