mirror of
https://github.com/RGBCube/serenity
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69cabb3ead
Add them in `<Kernel/API/Device.h>` and use these to provides
`{makedev,major,minor}` in `<sys/sysmacros.h>`. It aims to be more in
line with other Unix implementations and avoid code duplication in user
land.
68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Format.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/sysmacros.h>
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#include <unistd.h>
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static int usage()
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{
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warnln("usage: mknod <name> <c|b|p> [<major> <minor>]");
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return 1;
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}
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int main(int argc, char** argv)
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{
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if (pledge("stdio dpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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// FIXME: Add some kind of option for specifying the file permissions.
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if (argc < 3)
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return usage();
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if (argv[2][0] == 'p') {
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if (argc != 3)
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return usage();
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} else if (argc != 5) {
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return usage();
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}
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const char* name = argv[1];
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mode_t mode = 0666;
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switch (argv[2][0]) {
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case 'c':
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case 'u':
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mode |= S_IFCHR;
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break;
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case 'b':
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mode |= S_IFBLK;
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break;
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case 'p':
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mode |= S_IFIFO;
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break;
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default:
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return usage();
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}
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int major = 0;
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int minor = 0;
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if (argc == 5) {
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major = atoi(argv[3]);
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minor = atoi(argv[4]);
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}
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int rc = mknod(name, mode, makedev(major, minor));
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if (rc < 0) {
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perror("mknod");
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return 1;
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}
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return 0;
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}
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