f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* $NetBSD: uuid_create.c,v 1.1 2004/09/13 21:44:54 thorpej Exp $ */
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/*-
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* Copyright (c) 2002 Marcel Moolenaar
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* Copyright (c) 2002 Hiten Mahesh Pandya
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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
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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 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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*
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* $FreeBSD: src/lib/libc/uuid/uuid_create.c,v 1.2 2003/08/08 19:18:43 marcel Exp $
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: uuid_create.c,v 1.1 2004/09/13 21:44:54 thorpej Exp $");
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#endif
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#include "namespace.h"
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#include <uuid.h>
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#ifdef __minix
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#include <paths.h>
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#include <fcntl.h>
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#include <unistd.h>
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/* Fake a uuidgen() syscall */
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int uuidgen(struct uuid *store, int count)
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{
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int rfd;
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if((rfd = open(_PATH_RANDOM, O_RDONLY)) < 0) {
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return -1;
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}
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while(count--) {
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if(read(rfd, store++, sizeof(*store)) < sizeof(*store)) {
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close(rfd);
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return -1;
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}
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}
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close(rfd);
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return 0;
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}
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#endif
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/*
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* uuid_create() - create an UUID.
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* See also:
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* http://www.opengroup.org/onlinepubs/009629399/uuid_create.htm
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*/
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void
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uuid_create(uuid_t *u, uint32_t *status)
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{
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uint32_t s;
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if (uuidgen(u, 1) == -1)
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s = uuid_s_no_memory; /* XXX */
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else
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s = uuid_s_ok;
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if (status)
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*status = s;
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}
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