minix/lib/libpuffs/utility.c

   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 *
  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  *===========================================================================*/
  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  *===========================================================================*/
  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 }