shell.c

#include "shell.h"

/**
 * main - simple unix like program.
 *
 * @argc: Nth void arguments.
 * @argv: Array of command
 *
 * Return: Execute the command entered by user.
 */

int main(int argc, char **argv)
{
	char *buffer = NULL, *delim = " \n";
	ssize_t line = 0;
	size_t nread = 0;
	int status = 0;
	(void)argc;

	do {
		if (isatty(STDIN_FILENO))
			printf(":) ");
		line = getline(&buffer, &nread, stdin);

		if (line == -1 || hsh_strcmp("exit\n", buffer) == 0)
		{
			free(buffer);
			break;
		}
		buffer[line - 1] = '\0';
		if (hsh_strcmp("env", buffer) == 0)
		{
			hsh_env();
			continue;
		}
		if (hsh_line(buffer) == 1)
		{
			status = 0;
			continue;
		}
		argv = hsh_parse(buffer, delim);
		argv[0] = hsh_path(argv[0]);

		if (argv[0] != NULL)
			status = execute(argv);
		else
			perror("Error");
		free(argv);
	} while (1);
	return (status);
}

/**
 * execute - execute the given command.
 *
 * @argv: arguments passed by stdin
 *
 * Return: Always Status(success).
 */

int execute(char **argv)
{
	int checked, pid;

	pid = fork();

	if (pid == 0)
	{
		if (execve(argv[0], argv, environ) == -1)
			perror("Error");
	}
	else
	{
		wait(&checked);
		if (WIFEXITED(checked))
			checked = WEXITSTATUS(checked);
	}

	return (checked);
}