include/jdm.h

   1 // SPDX-License-Identifier: LGPL-2.1
   2 /*
   3  * Copyright (c) 2000-2002, 2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6 #ifndef __JDM_H__
   7 #define __JDM_H__
   8
   9 typedef int     intgen_t;
  10 typedef void    jdm_fshandle_t;         /* filesystem handle */
  11 typedef void    jdm_filehandle_t;       /* filehandle */
  12
  13 struct xfs_bstat;
  14 struct attrlist_cursor;
  15 struct parent;
  16
  17 extern jdm_fshandle_t *
  18 jdm_getfshandle( char *mntpnt);
  19
  20 extern void
  21 jdm_new_filehandle( jdm_filehandle_t **handlep, /* new filehandle */
  22                     size_t *hlen,               /* new filehandle size */
  23                     jdm_fshandle_t *fshandlep,  /* filesystem filehandle */
  24                     struct xfs_bstat *sp);      /* bulkstat info */
  25
  26 extern void
  27 jdm_delete_filehandle( jdm_filehandle_t *handlep,/* filehandle to delete */
  28                        size_t hlen);            /* filehandle size */
  29
  30 extern intgen_t
  31 jdm_open( jdm_fshandle_t *fshandlep,
  32           struct xfs_bstat *sp,
  33           intgen_t oflags);
  34
  35 extern intgen_t
  36 jdm_readlink( jdm_fshandle_t *fshandlep,
  37               struct xfs_bstat *sp,
  38               char *bufp,
  39               size_t bufsz);
  40
  41 extern intgen_t
  42 jdm_attr_multi( jdm_fshandle_t *fshp,
  43                 xfs_bstat_t *statp,
  44                 char *bufp, int rtrvcnt, int flags);
  45
  46 extern intgen_t
  47 jdm_attr_list(  jdm_fshandle_t *fshp,
  48                 xfs_bstat_t *statp,
  49                 char *bufp, size_t bufsz, int flags,
  50                 struct attrlist_cursor *cursor);
  51
  52 extern int
  53 jdm_parents( jdm_fshandle_t *fshp,
  54                 xfs_bstat_t *statp,
  55                 struct parent *bufp, size_t bufsz,
  56                 unsigned int *count);
  57
  58 extern int
  59 jdm_parentpaths( jdm_fshandle_t *fshp,
  60                 xfs_bstat_t *statp,
  61                 struct parent *bufp, size_t bufsz,
  62                 unsigned int *count);
  63
  64 /* macro for determining the size of a structure member */
  65 #define sizeofmember( t, m )    sizeof( ( ( t * )0 )->m )
  66
  67 /* macro for calculating the offset of a structure member */
  68 #define offsetofmember( t, m )  ( ( size_t )( char * )&( ( ( t * )0 )->m ) )
  69
  70 #endif  /* __JDM_H__ */