db/type.h

   1 /*
   2  * Copyright (c) 2000-2001,2005 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 General Public License as
   7  * 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 General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU 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
  19 struct field;
  20
  21 #define szof(x,y)       sizeof(((x *)0)->y)
  22 #define szcount(x,y)    (szof(x,y) / szof(x,y[0]))
  23
  24 typedef enum typnm
  25 {
  26         TYP_AGF, TYP_AGFL, TYP_AGI, TYP_ATTR, TYP_BMAPBTA,
  27         TYP_BMAPBTD, TYP_BNOBT, TYP_CNTBT, TYP_RMAPBT, TYP_REFCBT, TYP_DATA,
  28         TYP_DIR2, TYP_DQBLK, TYP_INOBT, TYP_INODATA, TYP_INODE,
  29         TYP_LOG, TYP_RTBITMAP, TYP_RTSUMMARY, TYP_SB, TYP_SYMLINK,
  30         TYP_TEXT, TYP_FINOBT, TYP_NONE
  31 } typnm_t;
  32
  33 #define DB_WRITE 1
  34 #define DB_READ  0
  35
  36 typedef void (*opfunc_t)(const struct field *fld, int argc, char **argv);
  37 typedef void (*pfunc_t)(int action, const struct field *fld, int argc, char **argv);
  38
  39 typedef struct typ
  40 {
  41         typnm_t                 typnm;
  42         char                    *name;
  43         pfunc_t                 pfunc;
  44         const struct field      *fields;
  45         const struct xfs_buf_ops *bops;
  46         unsigned long           crc_off;
  47 #define TYP_F_NO_CRC_OFF        (-1UL)
  48 } typ_t;
  49 extern const typ_t      *typtab, *cur_typ;
  50
  51 extern void     type_init(void);
  52 extern void     type_set_tab_crc(void);
  53 extern void     type_set_tab_spcrc(void);
  54 extern void     handle_block(int action, const struct field *fields, int argc,
  55                              char **argv);
  56 extern void     handle_string(int action, const struct field *fields, int argc,
  57                               char **argv);
  58 extern void     handle_struct(int action, const struct field *fields, int argc,
  59                               char **argv);
  60 extern void     handle_text(int action, const struct field *fields, int argc,
  61                             char **argv);