///                MentOS, The Mentoring Operating system project
/// @file cmd_more.c
/// @brief
/// @copyright (c) 2019 This file is distributed under the MIT License.
/// See LICENSE.md for details.

#include "commands.h"
#include "fcntl.h"
#include "stdio.h"
#include "string.h"
#include "unistd.h"
#include "strerror.h"

void cmd_more(int argc, char **argv)
{
	if (argc != 2) {
		printf("%s: missing operand.\n", argv[0]);
		printf("Try '%s --help' for more information.\n\n", argv[0]);

		return;
	}

	if (strcmp(argv[1], "--help") == 0) {
		printf("Prints the content of the given file.\n");
		printf("Usage:\n");
		printf("    %s <file>\n\n", argv[0]);

		return;
	}

	int fd = open(argv[1], O_RDONLY, 42);
	if (fd < 0) {
		printf("%s: Cannot stat file '%s': %s\n\n", argv[0], argv[1],
			   "unknown" /*strerror(errno)*/);

		return;
	}

	char c;
	// Put on the standard output the characters.
	while (read(fd, &c, 1) > 0) {
		putchar(c);
	}
	putchar('\n');
	putchar('\n');
	close(fd);
}