shell.c

#include "shellheader.h"

/**
 * main - a simple shell that can run commands with their full path, without
 * any arguments
 * @argc: number of arguments passed to the function
 * @argv: pointer to array of pointers to strings that are the arguments
 *
 * Return: Always 0
 */
int main(int argc __attribute__((unused)), char **argv)
{
	ssize_t k = 0;
	char **args, *my_env[60], *command = NULL;

	signal(SIGINT, handle_sigint);
	for (k = 0; environ[k]; k++)
		my_env[k] = _strdup(environ[k]);
	my_env[k] = NULL;
	while (1)
	{
		k = isatty(STDIN_FILENO);
		if (k == 1)
			write(STDOUT_FILENO, "$ ", 2);
		command = _getline(argv);
		if (command != NULL)
		{
			args = parsecommand(command);
			if (args == NULL)
				perror(argv[0]);
			if (_strcmp(args[0], "exit") == 0)
			{
				shell_exit(args, my_env, command);
				return (0);
			}
			exec_func(args, my_env, argv);
		}
		else
		{
			perror(argv[0]);
		}
		if (k != 1)
			break;
		free(command);
		free_2d(args);
		free(args);
	}
	free(command);
	free_2d(args);
	free(args);
	free_2d(my_env);
	return (0);
}