main.c

#include "main.h"

/**
 * main - entry point
 * @argc: number of arguments
 * @argv: array of string
 * @env: to get enviroment
 * Return: alwayd int
*/
int main(int argc, char *argv[], char *env[])
{
	int pipe = 1, err_count = 1, no_exc = 1, status = 0;
	const char *del = " ";
	size_t n_buffer = 0;
	char *buffer = NULL, command[50], *args[20], *only_command;

	signal(SIGINT, handle_sigint);
	/* Initialize PWD environment variable with current directory */
	update_pwd_env();
	if (argc != 1)
		_printf("%s: 0: Can't open %s\n", argv[0], argv[1]), exit(1);
	if (isatty(STDIN_FILENO) == 0)
		non_interactive(argc, argv, env, &pipe);
	while (pipe)
	{
		no_exc = 1;
		print_prompt();
		fflush(stdout);
		handle_input_command(&buffer, &n_buffer, &no_exc,
				&only_command, status, argc, argv, &err_count);
		if (buffer && *buffer && no_exc)
		{
			/* Check for cd command first */
			if (_strcmp(only_command, "cd") == 0)
			{
				change_dir(buffer, command, argc, argv, &err_count);
				update_pwd_env();
			}
			else
			{
				tok_buf(buffer, args, del, command, env);
				if (access(command, X_OK) == 0)
					_fork(argc, argv, buffer, args, only_command, &status);
				else
					fprintf(stderr, "%s: %d: %s: not found\n",
							argv[argc - 1], err_count++, only_command), fflush(stdout);
			}
		}
		free(only_command);
	}
	return (0);
}