171 lines
3.5 KiB
C
171 lines
3.5 KiB
C
/* $NetBSD: rumpuser.c,v 1.1 2007/08/05 22:28:10 pooka Exp $ */
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/*
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* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
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*
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* Development of this software was supported by Google Summer of Code.
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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
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* 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 OR
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* 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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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "rumpuser.h"
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#define DOCALL(rvtype, call) \
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do { \
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rvtype rv; \
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rv = call; \
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if (rv == -1) \
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*error = errno; \
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return rv; \
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} while (/*CONSTCOND*/0)
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int
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rumpuser_stat(const char *path, struct stat *sb, int *error)
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{
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DOCALL(int, (stat(path, sb)));
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}
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int
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rumpuser_lstat(const char *path, struct stat *sb, int *error)
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{
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DOCALL(int, (lstat(path, sb)));
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}
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void *
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_rumpuser_malloc(size_t howmuch, int canfail, const char *func, int line)
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{
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void *rv;
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rv = malloc(howmuch);
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if (rv == NULL && canfail == 0) {
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warn("malloc failed %s (%d)", func, line);
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abort();
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}
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return rv;
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}
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void *
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_rumpuser_realloc(void *ptr, size_t howmuch, int canfail,
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const char *func, int line)
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{
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void *rv;
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rv = realloc(ptr, howmuch);
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if (rv == NULL && canfail == 0) {
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warn("realloc failed %s (%d)", func, line);
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abort();
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}
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return rv;
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}
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void
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rumpuser_free(void *ptr)
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{
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free(ptr);
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}
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int
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rumpuser_open(const char *path, int flags, int *error)
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{
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DOCALL(int, (open(path, flags)));
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}
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int
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rumpuser_ioctl(int fd, u_long cmd, void *data, int *error)
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{
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DOCALL(int, (ioctl(fd, cmd, data)));
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}
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void
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rumpuser_close(int fd)
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{
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close(fd);
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}
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ssize_t
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rumpuser_pread(int fd, void *data, size_t size, off_t offset, int *error)
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{
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DOCALL(ssize_t, (pread(fd, data, size, offset)));
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}
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ssize_t
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rumpuser_pwrite(int fd, const void *data, size_t size, off_t offset, int *error)
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{
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DOCALL(ssize_t, (pwrite(fd, data, size, offset)));
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}
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int
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rumpuser_gettimeofday(struct timeval *tv)
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{
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return gettimeofday(tv, NULL);
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}
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int
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rumpuser_gethostname(char *name, size_t namelen, int *error)
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{
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DOCALL(int, (gethostname(name, namelen)));
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}
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/* urgh */
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uint16_t
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rumpuser_bswap16(uint16_t value)
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{
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return bswap16(value);
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}
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uint32_t
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rumpuser_bswap32(uint32_t value)
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{
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return bswap32(value);
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}
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uint64_t
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rumpuser_bswap64(uint64_t value)
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{
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return bswap64(value);
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}
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