xref: /minix3/minix/lib/libc/sys/lutimes.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1 #include <sys/cdefs.h>
2 #include "namespace.h"
3 #include <lib.h>
4 
5 #include <sys/stat.h>
6 #include <sys/time.h>
7 #include <fcntl.h>
8 #include <string.h>
9 #include <errno.h>
10 
11 #ifdef __weak_alias
__weak_alias(lutimes,__lutimes50)12 __weak_alias(lutimes, __lutimes50)
13 #endif
14 
15 int lutimes(const char *name, const struct timeval tv[2])
16 {
17   message m;
18 
19   if (name == NULL) {
20 	errno = EINVAL;
21 	return -1;
22   }
23   if (name[0] == '\0') { /* X/Open requirement */
24 	errno = ENOENT;
25 	return -1;
26   }
27   memset(&m, 0, sizeof(m));
28   m.m_vfs_utimens.len = strlen(name) + 1;
29   m.m_vfs_utimens.name = (char *) __UNCONST(name);
30   if (tv == NULL) {
31 	m.m_vfs_utimens.atime = m.m_vfs_utimens.mtime = 0;
32 	m.m_vfs_utimens.ansec = m.m_vfs_utimens.mnsec = UTIME_NOW;
33   }
34   else {
35 	m.m_vfs_utimens.atime = tv[0].tv_sec;
36 	m.m_vfs_utimens.mtime = tv[1].tv_sec;
37 	m.m_vfs_utimens.ansec = tv[0].tv_usec * 1000;
38 	m.m_vfs_utimens.mnsec = tv[1].tv_usec * 1000;
39   }
40   m.m_vfs_utimens.flags = AT_SYMLINK_NOFOLLOW;
41 
42   return(_syscall(VFS_PROC_NR, VFS_UTIMENS, &m));
43 }
44