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100 lines
2.9 KiB
C++
100 lines
2.9 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 <Kernel/API/Syscall.h>
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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extern "C" {
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mode_t umask(mode_t mask)
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{
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return syscall(SC_umask, mask);
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}
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int mkdir(const char* pathname, mode_t mode)
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{
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if (!pathname) {
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errno = EFAULT;
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return -1;
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}
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int rc = syscall(SC_mkdir, pathname, strlen(pathname), mode);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int chmod(const char* pathname, mode_t mode)
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{
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if (!pathname) {
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errno = EFAULT;
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return -1;
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}
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int rc = syscall(SC_chmod, pathname, strlen(pathname), mode);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int fchmod(int fd, mode_t mode)
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{
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int rc = syscall(SC_fchmod, fd, mode);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int mkfifo(const char* pathname, mode_t mode)
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{
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return mknod(pathname, mode | S_IFIFO, 0);
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}
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static int do_stat(const char* path, struct stat* statbuf, bool follow_symlinks)
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{
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if (!path) {
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errno = EFAULT;
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return -1;
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}
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Syscall::SC_stat_params params { { path, strlen(path) }, statbuf, follow_symlinks };
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int rc = syscall(SC_stat, ¶ms);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int lstat(const char* path, struct stat* statbuf)
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{
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return do_stat(path, statbuf, false);
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}
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int stat(const char* path, struct stat* statbuf)
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{
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return do_stat(path, statbuf, true);
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}
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int fstat(int fd, struct stat* statbuf)
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{
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int rc = syscall(SC_fstat, fd, statbuf);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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}
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