131 lines
2.9 KiB
C
131 lines
2.9 KiB
C
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/* Copyright (c) 2016 Phoenix Systems
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All rights reserved.
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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
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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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
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.*/
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#include "syscall.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <sys/dirent.h>
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#include <sys/stat.h>
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#define MAX_PATH 1024
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int mkdir(const char *pathname, mode_t mode)
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{
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int ret = syscall2(int, SYS_MKDIR, pathname, mode);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int rmdir(const char *pathname)
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{
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int ret = syscall1(int, SYS_RMDIR, pathname);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int chdir(const char *path)
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{
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int ret = syscall1(int, SYS_SETCWD, path);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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char *getcwd(char *buf, size_t size)
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{
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if (buf == NULL)
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buf = (char *) malloc(MAX_PATH);
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int ret = syscall2(int, SYS_GETCWD, buf, size);
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if (ret < 0) {
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errno = -ret;
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return NULL;
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}
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return buf;
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}
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int unlink(const char *pathname)
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{
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int ret = syscall1(int, SYS_UNLINK, pathname);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int mkfifo(const char *pathname, mode_t mode)
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{
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int ret = syscall3(int, SYS_OPEN, pathname, O_CREAT, (mode | S_IFIFO));
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int mknod(const char *pathname, mode_t mode, dev_t dev)
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{
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int ret = syscall3(int, SYS_MKNOD, pathname, mode, dev);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int getdents(unsigned int fd, struct dirent *dirp, unsigned int count)
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{
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int ret = syscall3(int, SYS_GETDENTS, fd, dirp, count);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int chroot(const char *path)
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{
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return chdir(path);
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}
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