freebsd-skq/cddl/contrib/opensolaris/lib/libctf/common/ctf_subr.c
2008-04-26 04:22:32 +00:00

84 lines
1.8 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <ctf_impl.h>
#include <sys/mman.h>
#include <stdarg.h>
void *
ctf_data_alloc(size_t size)
{
return (mmap(NULL, size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0));
}
void
ctf_data_free(void *buf, size_t size)
{
(void) munmap(buf, size);
}
void
ctf_data_protect(void *buf, size_t size)
{
(void) mprotect(buf, size, PROT_READ);
}
void *
ctf_alloc(size_t size)
{
return (malloc(size));
}
/*ARGSUSED*/
void
ctf_free(void *buf, __unused size_t size)
{
free(buf);
}
const char *
ctf_strerror(int err)
{
return ((const char *) strerror(err));
}
/*PRINTFLIKE1*/
void
ctf_dprintf(const char *format, ...)
{
if (_libctf_debug) {
va_list alist;
va_start(alist, format);
(void) fputs("libctf DEBUG: ", stderr);
(void) vfprintf(stderr, format, alist);
va_end(alist);
}
}