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d1fe6a0b53
Problem: - `constexpr` functions are decorated with the `inline` specifier keyword. This is redundant because `constexpr` functions are implicitly `inline`. - [dcl.constexpr], §7.1.5/2 in the C++11 standard): "constexpr functions and constexpr constructors are implicitly inline (7.1.2)". Solution: - Remove the redundant `inline` keyword.
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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 <unistd.h>
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constexpr unsigned encoded_device(unsigned major, unsigned minor)
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{
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return (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
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}
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static int usage()
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{
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printf("usage: mknod <name> <c|b|p> [<major> <minor>]\n");
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return 0;
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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, encoded_device(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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