include/jdm.h

   1 /*
   2  * Copyright (c) 2000-2002, 2005 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public License
   7  * as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #ifndef __JDM_H__
  19 #define __JDM_H__
  20
  21 typedef int     intgen_t;
  22 typedef void    jdm_fshandle_t;         /* filesystem handle */
  23 typedef void    jdm_filehandle_t;       /* filehandle */
  24
  25 struct xfs_bstat;
  26 struct attrlist_cursor;
  27 struct parent;
  28
  29 extern jdm_fshandle_t *
  30 jdm_getfshandle( char *mntpnt);
  31
  32 extern void
  33 jdm_new_filehandle( jdm_filehandle_t **handlep, /* new filehandle */
  34                     size_t *hlen,               /* new filehandle size */
  35                     jdm_fshandle_t *fshandlep,  /* filesystem filehandle */
  36                     struct xfs_bstat *sp);      /* bulkstat info */
  37
  38 extern void
  39 jdm_delete_filehandle( jdm_filehandle_t *handlep,/* filehandle to delete */
  40                        size_t hlen);            /* filehandle size */
  41
  42 extern intgen_t
  43 jdm_open( jdm_fshandle_t *fshandlep,
  44           struct xfs_bstat *sp,
  45           intgen_t oflags);
  46
  47 extern intgen_t
  48 jdm_readlink( jdm_fshandle_t *fshandlep,
  49               struct xfs_bstat *sp,
  50               char *bufp,
  51               size_t bufsz);
  52
  53 extern intgen_t
  54 jdm_attr_multi( jdm_fshandle_t *fshp,
  55                 xfs_bstat_t *statp,
  56                 char *bufp, int rtrvcnt, int flags);
  57
  58 extern intgen_t
  59 jdm_attr_list(  jdm_fshandle_t *fshp,
  60                 xfs_bstat_t *statp,
  61                 char *bufp, size_t bufsz, int flags,
  62                 struct attrlist_cursor *cursor);
  63
  64 extern int
  65 jdm_parents( jdm_fshandle_t *fshp,
  66                 xfs_bstat_t *statp,
  67                 struct parent *bufp, size_t bufsz,
  68                 unsigned int *count);
  69
  70 extern int
  71 jdm_parentpaths( jdm_fshandle_t *fshp,
  72                 xfs_bstat_t *statp,
  73                 struct parent *bufp, size_t bufsz,
  74                 unsigned int *count);
  75
  76 /* macro for determining the size of a structure member */
  77 #define sizeofmember( t, m )    sizeof( ( ( t * )0 )->m )
  78
  79 /* macro for calculating the offset of a structure member */
  80 #define offsetofmember( t, m )  ( ( size_t )( char * )&( ( ( t * )0 )->m ) )
  81
  82 #endif  /* __JDM_H__ */