xref: /minix3/minix/lib/libpuffs/utility.c (revision ba736c796854b82e29da17267614db0a449419db)
1 /* Created (MFS based):
2  *   February 2010 (Evgeniy Ivanov)
3  */
4 
5 #include "fs.h"
6 
7 #include <stdarg.h>
8 
9 /*
10  * Match by inode number in a puffs_pn_nodewalk call.  This should not exist.
11  */
12 void *
find_inode_cb(struct puffs_usermount * __unused pu,struct puffs_node * pn,void * arg)13 find_inode_cb(struct puffs_usermount * __unused pu, struct puffs_node * pn,
14 	void * arg)
15 {
16 
17 	if (pn->pn_va.va_fileid == *(ino_t *)arg)
18 		return pn;
19 	else
20 		return NULL;
21 }
22 
23 /*===========================================================================*
24  *				update_timens				     *
25  *===========================================================================*/
update_timens(struct puffs_node * pn,int flags,struct timespec * t)26 int update_timens(struct puffs_node *pn, int flags, struct timespec *t)
27 {
28   int r;
29   struct vattr va;
30   struct timespec new_time;
31   PUFFS_MAKECRED(pcr, &global_kcred);
32 
33   if (!flags)
34 	return 0;
35 
36   if (global_pu->pu_ops.puffs_node_setattr == NULL)
37 	return EINVAL;
38 
39   if (t != NULL)
40 	new_time = *t;
41   else
42 	(void)clock_time(&new_time);
43 
44   puffs_vattr_null(&va);
45   /* librefuse modifies atime and mtime together,
46    * so set old values to avoid setting either one
47    * to PUFFS_VNOVAL (set by puffs_vattr_null).
48    */
49   va.va_atime = pn->pn_va.va_atime;
50   va.va_mtime = pn->pn_va.va_mtime;
51 
52   if (flags & ATIME)
53 	va.va_atime = new_time;
54   if (flags & MTIME)
55 	va.va_mtime = new_time;
56   if (flags & CTIME)
57 	va.va_ctime = new_time;
58 
59   r = global_pu->pu_ops.puffs_node_setattr(global_pu, pn, &va, pcr);
60 
61   return(r);
62 }
63 
64 
65 /*===========================================================================*
66  *				lpuffs_debug				     *
67  *===========================================================================*/
lpuffs_debug(const char * format,...)68 void lpuffs_debug(const char *format, ...)
69 {
70   char buffer[256];
71   va_list args;
72   va_start (args, format);
73   vsprintf (buffer,format, args);
74   printf("%s: %s", fs_name, buffer);
75   va_end (args);
76 }
77