simple_shell.c

#include "shell.h"
/**
 * main - simple shell instance
 *
 * Return: 0
 */
int main(void)
{
	char *buffer = NULL, **args = NULL, *real_arg = NULL;
	size_t size = 0;
	struct stat st;
	int r = 0, i = 1;

	while (1)
	{
		write(STDOUT_FILENO, "shell$ ", 8);
		buffer = getline_func(buffer, size);
		if (buffer == NULL)
			continue;
		args = tokenizer(buffer);
		if (args == NULL)
			return (-1);
		real_arg = args[0];
		if (builtins(args, buffer) == -1)
		{
			if (stat(args[0], &st) == 0)
				r = run_command(args);
			else if (stat(args[0], &st) == -1)
			{
				args[0] = pathfinder(args[0]);
				if (args[0] == NULL)
				{
					error_msg(real_arg, i);
					i++;
				}
				else
					r = run_command(args);
			}
			if (r == -1)
			{
				error_msg(real_arg, i);
				i++;
			}
			free(args); args = NULL;
			free(buffer); buffer = NULL;
		}
	}
	return (0);
}
/**
 * error_msg - Function that prints error messages
 * @real_arg: user input command
 * @i: Error iteration
 * Return: void
 */
void error_msg(char *real_arg, int i)
{
	write(STDOUT_FILENO, real_arg, _strlen(real_arg));
	write(STDOUT_FILENO, ": ", 2);
	_putchar(i + '0');
	write(STDOUT_FILENO, ": ", 2);
	write(STDOUT_FILENO, "Not found", 10);
	_putchar('\n');
}