shell.c

#include "shell.h"
/**
 * main - Main function for the custom shell.
 * @arg_count: The number of arguments.
 * @arguments: The array of arguments.
 * @environment: The array of environment variables.
 * Return: 0 on success.
 */
int main(int __attribute__((unused)) arg_count, char **arguments,
		char **environment)
{
	size_t line_size = 0;
	char *input_line = NULL, **command_tokens, *executable_path,
	     *prompt = "$ ";

	while (1)
	{
		if (isatty(STDIN_FILENO) != 0)
			write(STDOUT_FILENO, prompt, string_length(prompt));
		input_line = NULL;
		read_line(&input_line, line_size);
		command_tokens = split_string(input_line, " ");
		exit_shell(command_tokens, input_line);
		executable_path = get_executable_path(command_tokens[0],
				environment);
		if (executable_path == NULL)
		{
			print_custom_error(arguments[0], command_tokens[0]);
			free(command_tokens);
			free(input_line);
			continue;
		}
		else
			process_command(command_tokens, environment,
					executable_path, input_line);
		if (isatty(STDIN_FILENO) == 0)
			exit(0);
	}
	return (0);
}