[apple/libc.git] / emulated / lutimes.c

/*
 * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/attr.h>
#include <sys/time.h>
#include <unistd.h>
#include <strings.h>

int
lutimes(const char *path, const struct timeval *times)
{
	struct stat s;
	struct attrlist a;
	struct {
	    struct timespec mod;
	    struct timespec access;
	} t;

	if(lstat(path, &s) < 0)
		return -1;
	if((s.st_mode & S_IFMT) != S_IFLNK)
		return utimes(path, times);
	bzero(&a, sizeof(a));
	a.bitmapcount = ATTR_BIT_MAP_COUNT;
	a.commonattr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME;
	if(times) {
		TIMEVAL_TO_TIMESPEC(&times[0], &t.access);
		TIMEVAL_TO_TIMESPEC(&times[1], &t.mod);
	} else {
		struct timeval now;

		if(gettimeofday(&now, NULL) < 0)
			return -1;
		TIMEVAL_TO_TIMESPEC(&now, &t.access);
		TIMEVAL_TO_TIMESPEC(&now, &t.mod);
	}
	return setattrlist(path, &a, &t, sizeof(t), FSOPT_NOFOLLOW);
}
Commit	Line	Data
8e029c65 A	1	/*
	2	* Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
8e029c65	23
224c7076 A	24	#include <sys/types.h>
	25	#include <sys/stat.h>
	26	#include <sys/attr.h>
	27	#include <sys/time.h>
	28	#include <unistd.h>
	29	#include <strings.h>
	30
	31	int
	32	lutimes(const char path, const struct timeval times)
	33	{
	34	struct stat s;
	35	struct attrlist a;
	36	struct {
	37	struct timespec mod;
	38	struct timespec access;
	39	} t;
	40
	41	if(lstat(path, &s) < 0)
	42	return -1;
	43	if((s.st_mode & S_IFMT) != S_IFLNK)
	44	return utimes(path, times);
	45	bzero(&a, sizeof(a));
	46	a.bitmapcount = ATTR_BIT_MAP_COUNT;
	47	a.commonattr = ATTR_CMN_MODTIME \| ATTR_CMN_ACCTIME;
	48	if(times) {
	49	TIMEVAL_TO_TIMESPEC(&times[0], &t.access);
	50	TIMEVAL_TO_TIMESPEC(&times[1], &t.mod);
	51	} else {
	52	struct timeval now;
	53
	54	if(gettimeofday(&now, NULL) < 0)
	55	return -1;
	56	TIMEVAL_TO_TIMESPEC(&now, &t.access);
	57	TIMEVAL_TO_TIMESPEC(&now, &t.mod);
	58	}
	59	return setattrlist(path, &a, &t, sizeof(t), FSOPT_NOFOLLOW);
	60	}