xref: /titanic_41/usr/src/lib/libc/port/sys/utimesys.c (revision 3b862e9a9ce59d5dbf0177b9eb293109fde6bf36)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include "lint.h"
28 #include <string.h>
29 #include <utime.h>
30 #include <fcntl.h>
31 #include <sys/stat.h>
32 #include <sys/time.h>
33 #include <sys/syscall.h>
34 
35 int
futimens(int fd,const timespec_t times[2])36 futimens(int fd, const timespec_t times[2])
37 {
38 	return (syscall(SYS_utimesys, 0, fd, times));
39 }
40 
41 int
utimensat(int fd,const char * path,const timespec_t times[2],int flag)42 utimensat(int fd, const char *path, const timespec_t times[2], int flag)
43 {
44 	return (syscall(SYS_utimesys, 1, fd, path, times, flag));
45 }
46 
47 #pragma weak _utime = utime
48 int
utime(const char * path,const struct utimbuf * times)49 utime(const char *path, const struct utimbuf *times)
50 {
51 	struct utimbuf ltimes;
52 	timespec_t ts[2];
53 	timespec_t *tsp;
54 
55 	if (times == NULL) {
56 		tsp = NULL;
57 	} else {
58 		/* use uucopy() to behave like a system call */
59 		if (uucopy(times, &ltimes, sizeof (ltimes)) != 0)
60 			return (-1);	/* uucopy() set errno to EFAULT */
61 		ts[0].tv_sec = ltimes.actime;
62 		ts[0].tv_nsec = 0;
63 		ts[1].tv_sec = ltimes.modtime;
64 		ts[1].tv_nsec = 0;
65 		tsp = ts;
66 	}
67 	return (utimensat(AT_FDCWD, path, tsp, 0));
68 }
69 
70 int
utimes(const char * path,const struct timeval times[2])71 utimes(const char *path, const struct timeval times[2])
72 {
73 	struct timeval ltimes[2];
74 	timespec_t ts[2];
75 	timespec_t *tsp;
76 
77 	if (times == NULL) {
78 		tsp = NULL;
79 	} else {
80 		/* use uucopy() to behave like a system call */
81 		if (uucopy(times, ltimes, sizeof (ltimes)) != 0)
82 			return (-1);	/* uucopy() set errno to EFAULT */
83 		ts[0].tv_sec = ltimes[0].tv_sec;
84 		ts[0].tv_nsec = ltimes[0].tv_usec * 1000;
85 		ts[1].tv_sec = ltimes[1].tv_sec;
86 		ts[1].tv_nsec = ltimes[1].tv_usec * 1000;
87 		tsp = ts;
88 	}
89 	return (utimensat(AT_FDCWD, path, tsp, 0));
90 }
91 
92 #pragma weak _futimesat = futimesat
93 int
futimesat(int fd,const char * path,const struct timeval times[2])94 futimesat(int fd, const char *path, const struct timeval times[2])
95 {
96 	struct timeval ltimes[2];
97 	timespec_t ts[2];
98 	timespec_t *tsp;
99 
100 	if (times == NULL) {
101 		tsp = NULL;
102 	} else {
103 		/* use uucopy() to behave like a system call */
104 		if (uucopy(times, ltimes, sizeof (ltimes)) != 0)
105 			return (-1);	/* uucopy() set errno to EFAULT */
106 		ts[0].tv_sec = ltimes[0].tv_sec;
107 		ts[0].tv_nsec = ltimes[0].tv_usec * 1000;
108 		ts[1].tv_sec = ltimes[1].tv_sec;
109 		ts[1].tv_nsec = ltimes[1].tv_usec * 1000;
110 		tsp = ts;
111 	}
112 
113 	if (path == NULL)
114 		return (futimens(fd, tsp));
115 
116 	return (utimensat(fd, path, tsp, 0));
117 }
118