ladybird/Userland/Utilities/mknod.cpp
2022-01-24 14:01:58 +03:30

63 lines
1.3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Format.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
static int usage()
{
warnln("usage: mknod <name> <c|b|p> [<major> <minor>]");
return 1;
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio dpath"));
// FIXME: Add some kind of option for specifying the file permissions.
if (arguments.strings.size() < 3)
return usage();
if (arguments.strings[2].starts_with('p')) {
if (arguments.strings.size() != 3)
return usage();
} else if (arguments.strings.size() != 5) {
return usage();
}
auto name = arguments.strings[1];
mode_t mode = 0666;
switch (arguments.strings[2][0]) {
case 'c':
case 'u':
mode |= S_IFCHR;
break;
case 'b':
mode |= S_IFBLK;
break;
case 'p':
mode |= S_IFIFO;
break;
default:
return usage();
}
int major = 0;
int minor = 0;
if (arguments.strings.size() == 5) {
major = atoi(arguments.argv[3]);
minor = atoi(arguments.argv[4]);
}
TRY(Core::System::mknod(name, mode, makedev(major, minor)));
return 0;
}