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xfs: remove redundant assignment of ifp
[thirdparty/xfsprogs-dev.git] / db / type.c
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2bd0ea18 1/*
da23017d
NS		 2 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
dfc130f3 4 *
da23017d
NS		 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
2bd0ea18 7 * published by the Free Software Foundation.
dfc130f3 8 *
da23017d
NS		 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.
dfc130f3 13 *
da23017d
NS		 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
2bd0ea18
NS		 17 */
18
6b803e5a 19#include "libxfs.h"
2bd0ea18
NS		 20#include "block.h"
21#include "command.h"
2bd0ea18
NS		 22#include "type.h"
23#include "faddr.h"
24#include "fprint.h"
25#include "field.h"
26#include "print.h"
27#include "sb.h"
28#include "inode.h"
49b31417 29#include "btblock.h"
2bd0ea18
NS		 30#include "bmroot.h"
31#include "agf.h"
32#include "agfl.h"
33#include "agi.h"
2bd0ea18
NS		 34#include "io.h"
35#include "output.h"
36#include "write.h"
37#include "attr.h"
38#include "dquot.h"
39#include "dir2.h"
c6b24b3b 40#include "text.h"
3cafd875 41#include "symlink.h"
2bd0ea18
NS		 42
43static const typ_t *findtyp(char *name);
44static int type_f(int argc, char **argv);
45
46const typ_t *cur_typ;
47
48static const cmdinfo_t type_cmd =
9ee7055c
AM		 49 { "type", NULL, type_f, 0, 1, 1, N_("[newtype]"),
50 N_("set/show current data type"), NULL };
2bd0ea18 51
c2907bd7 52static const typ_t __typtab[] = {
86769b32
DC		 53 { TYP_AGF, "agf", handle_struct, agf_hfld, NULL, TYP_F_NO_CRC_OFF },
54 { TYP_AGFL, "agfl", handle_struct, agfl_hfld, NULL, TYP_F_NO_CRC_OFF },
55 { TYP_AGI, "agi", handle_struct, agi_hfld, NULL, TYP_F_NO_CRC_OFF },
56 { TYP_ATTR, "attr", handle_struct, attr_hfld, NULL, TYP_F_NO_CRC_OFF },
57 { TYP_BMAPBTA, "bmapbta", handle_struct, bmapbta_hfld, NULL,
58 TYP_F_NO_CRC_OFF },
59 { TYP_BMAPBTD, "bmapbtd", handle_struct, bmapbtd_hfld, NULL,
60 TYP_F_NO_CRC_OFF },
61 { TYP_BNOBT, "bnobt", handle_struct, bnobt_hfld, NULL, TYP_F_NO_CRC_OFF },
62 { TYP_CNTBT, "cntbt", handle_struct, cntbt_hfld, NULL, TYP_F_NO_CRC_OFF },
a9d7b986 63 { TYP_RMAPBT, NULL },
86769b32
DC		 64 { TYP_DATA, "data", handle_block, NULL, NULL, TYP_F_NO_CRC_OFF },
65 { TYP_DIR2, "dir2", handle_struct, dir2_hfld, NULL, TYP_F_NO_CRC_OFF },
66 { TYP_DQBLK, "dqblk", handle_struct, dqblk_hfld, NULL, TYP_F_NO_CRC_OFF },
67 { TYP_INOBT, "inobt", handle_struct, inobt_hfld, NULL, TYP_F_NO_CRC_OFF },
68 { TYP_INODATA, "inodata", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
69 { TYP_INODE, "inode", handle_struct, inode_hfld, NULL, TYP_F_NO_CRC_OFF },
70 { TYP_LOG, "log", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
71 { TYP_RTBITMAP, "rtbitmap", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
72 { TYP_RTSUMMARY, "rtsummary", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
73 { TYP_SB, "sb", handle_struct, sb_hfld, NULL, TYP_F_NO_CRC_OFF },
74 { TYP_SYMLINK, "symlink", handle_string, NULL, NULL, TYP_F_NO_CRC_OFF },
75 { TYP_TEXT, "text", handle_text, NULL, NULL, TYP_F_NO_CRC_OFF },
76 { TYP_FINOBT, "finobt", handle_struct, inobt_hfld, NULL,
77 TYP_F_NO_CRC_OFF },
2bd0ea18
NS		 78 { TYP_NONE, NULL }
79};
80
c2907bd7 81static const typ_t __typtab_crc[] = {
86769b32
DC		 82 { TYP_AGF, "agf", handle_struct, agf_hfld, &xfs_agf_buf_ops,
83 XFS_AGF_CRC_OFF },
84 { TYP_AGFL, "agfl", handle_struct, agfl_crc_hfld, &xfs_agfl_buf_ops,
85 XFS_AGFL_CRC_OFF },
86 { TYP_AGI, "agi", handle_struct, agi_hfld, &xfs_agi_buf_ops,
87 XFS_AGI_CRC_OFF },
2847273f 88 { TYP_ATTR, "attr3", handle_struct, attr3_hfld,
86769b32 89 &xfs_attr3_db_buf_ops, TYP_F_NO_CRC_OFF },
6fea8f83 90 { TYP_BMAPBTA, "bmapbta", handle_struct, bmapbta_crc_hfld,
86769b32 91 &xfs_bmbt_buf_ops, XFS_BTREE_LBLOCK_CRC_OFF },
6fea8f83 92 { TYP_BMAPBTD, "bmapbtd", handle_struct, bmapbtd_crc_hfld,
86769b32 93 &xfs_bmbt_buf_ops, XFS_BTREE_LBLOCK_CRC_OFF },
6fea8f83 94 { TYP_BNOBT, "bnobt", handle_struct, bnobt_crc_hfld,
86769b32 95 &xfs_allocbt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
6fea8f83 96 { TYP_CNTBT, "cntbt", handle_struct, cntbt_crc_hfld,
86769b32 97 &xfs_allocbt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
a9d7b986
DW		 98 { TYP_RMAPBT, "rmapbt", handle_struct, rmapbt_crc_hfld,
99 &xfs_rmapbt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
86769b32 100 { TYP_DATA, "data", handle_block, NULL, NULL, TYP_F_NO_CRC_OFF },
fc068a19 101 { TYP_DIR2, "dir3", handle_struct, dir3_hfld,
86769b32 102 &xfs_dir3_db_buf_ops, TYP_F_NO_CRC_OFF },
6fea8f83 103 { TYP_DQBLK, "dqblk", handle_struct, dqblk_hfld,
86769b32 104 &xfs_dquot_buf_ops, TYP_F_NO_CRC_OFF },
6fea8f83 105 { TYP_INOBT, "inobt", handle_struct, inobt_crc_hfld,
86769b32
DC		 106 &xfs_inobt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
107 { TYP_INODATA, "inodata", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
6fea8f83 108 { TYP_INODE, "inode", handle_struct, inode_crc_hfld,
86769b32
DC		 109 &xfs_inode_buf_ops, TYP_F_NO_CRC_OFF },
110 { TYP_LOG, "log", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
111 { TYP_RTBITMAP, "rtbitmap", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
112 { TYP_RTSUMMARY, "rtsummary", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
113 { TYP_SB, "sb", handle_struct, sb_hfld, &xfs_sb_buf_ops,
114 XFS_SB_CRC_OFF },
6fea8f83 115 { TYP_SYMLINK, "symlink", handle_struct, symlink_crc_hfld,
86769b32
DC		 116 &xfs_symlink_buf_ops, XFS_SYMLINK_CRC_OFF },
117 { TYP_TEXT, "text", handle_text, NULL, NULL, TYP_F_NO_CRC_OFF },
20f35ef4 118 { TYP_FINOBT, "finobt", handle_struct, inobt_crc_hfld,
86769b32 119 &xfs_inobt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
c2907bd7
DC		 120 { TYP_NONE, NULL }
121};
122
061e316e 123static const typ_t __typtab_spcrc[] = {
86769b32
DC		 124 { TYP_AGF, "agf", handle_struct, agf_hfld, &xfs_agf_buf_ops,
125 XFS_AGF_CRC_OFF },
126 { TYP_AGFL, "agfl", handle_struct, agfl_crc_hfld, &xfs_agfl_buf_ops ,
127 XFS_AGFL_CRC_OFF },
128 { TYP_AGI, "agi", handle_struct, agi_hfld, &xfs_agi_buf_ops ,
129 XFS_AGI_CRC_OFF },
061e316e 130 { TYP_ATTR, "attr3", handle_struct, attr3_hfld,
86769b32 131 &xfs_attr3_db_buf_ops, TYP_F_NO_CRC_OFF },
061e316e 132 { TYP_BMAPBTA, "bmapbta", handle_struct, bmapbta_crc_hfld,
86769b32 133 &xfs_bmbt_buf_ops, XFS_BTREE_LBLOCK_CRC_OFF },
061e316e 134 { TYP_BMAPBTD, "bmapbtd", handle_struct, bmapbtd_crc_hfld,
86769b32 135 &xfs_bmbt_buf_ops, XFS_BTREE_LBLOCK_CRC_OFF },
061e316e 136 { TYP_BNOBT, "bnobt", handle_struct, bnobt_crc_hfld,
86769b32 137 &xfs_allocbt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
061e316e 138 { TYP_CNTBT, "cntbt", handle_struct, cntbt_crc_hfld,
86769b32 139 &xfs_allocbt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
a9d7b986
DW		 140 { TYP_RMAPBT, "rmapbt", handle_struct, rmapbt_crc_hfld,
141 &xfs_rmapbt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
86769b32 142 { TYP_DATA, "data", handle_block, NULL, NULL, TYP_F_NO_CRC_OFF },
061e316e 143 { TYP_DIR2, "dir3", handle_struct, dir3_hfld,
86769b32 144 &xfs_dir3_db_buf_ops, TYP_F_NO_CRC_OFF },
061e316e 145 { TYP_DQBLK, "dqblk", handle_struct, dqblk_hfld,
86769b32 146 &xfs_dquot_buf_ops, TYP_F_NO_CRC_OFF },
061e316e 147 { TYP_INOBT, "inobt", handle_struct, inobt_spcrc_hfld,
86769b32
DC		 148 &xfs_inobt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
149 { TYP_INODATA, "inodata", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
061e316e 150 { TYP_INODE, "inode", handle_struct, inode_crc_hfld,
86769b32
DC		 151 &xfs_inode_buf_ops, TYP_F_NO_CRC_OFF },
152 { TYP_LOG, "log", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
153 { TYP_RTBITMAP, "rtbitmap", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
154 { TYP_RTSUMMARY, "rtsummary", NULL, NULL, NULL, TYP_F_NO_CRC_OFF },
155 { TYP_SB, "sb", handle_struct, sb_hfld, &xfs_sb_buf_ops,
156 XFS_SB_CRC_OFF },
061e316e 157 { TYP_SYMLINK, "symlink", handle_struct, symlink_crc_hfld,
86769b32
DC		 158 &xfs_symlink_buf_ops, XFS_SYMLINK_CRC_OFF },
159 { TYP_TEXT, "text", handle_text, NULL, NULL, TYP_F_NO_CRC_OFF },
e96864ff 160 { TYP_FINOBT, "finobt", handle_struct, inobt_crc_hfld,
86769b32 161 &xfs_inobt_buf_ops, XFS_BTREE_SBLOCK_CRC_OFF },
061e316e
BF		 162 { TYP_NONE, NULL }
163};
164
c2907bd7
DC		 165const typ_t *typtab = __typtab;
166
167void
168type_set_tab_crc(void)
169{
170 typtab = __typtab_crc;
171}
172
061e316e
BF		 173void
174type_set_tab_spcrc(void)
175{
176 typtab = __typtab_spcrc;
177}
178
2bd0ea18
NS		 179static const typ_t *
180findtyp(
181 char *name)
182{
183 const typ_t *tt;
184
a364668b 185 for (tt = typtab; tt->typnm != TYP_NONE; tt++) {
2bd0ea18 186 ASSERT(tt->typnm == (typnm_t)(tt - typtab));
a364668b 187 if (tt->name && strcmp(tt->name, name) == 0)
2bd0ea18
NS		 188 return tt;
189 }
190 return NULL;
191}
192
193static int
194type_f(
195 int argc,
196 char **argv)
197{
198 const typ_t *tt;
199 int count = 0;
200
201 if (argc == 1) {
202 if (cur_typ == NULL)
9ee7055c 203 dbprintf(_("no current type\n"));
2bd0ea18 204 else
9ee7055c 205 dbprintf(_("current type is \"%s\"\n"), cur_typ->name);
2bd0ea18 206
9ee7055c 207 dbprintf(_("\n supported types are:\n "));
a364668b
DC		 208 for (tt = typtab, count = 0; tt->typnm != TYP_NONE; tt++) {
209 if (tt->name == NULL)
210 continue;
2bd0ea18
NS		 211 if ((tt+1)->name != NULL) {
212 dbprintf("%s, ", tt->name);
213 if ((++count % 8) == 0)
214 dbprintf("\n ");
a364668b 215 } else if ((tt+1)->typnm == TYP_NONE) {
2bd0ea18
NS		 216 dbprintf("%s\n", tt->name);
217 }
218 }
219
dfc130f3 220
2bd0ea18
NS		 221 } else {
222 tt = findtyp(argv[1]);
223 if (tt == NULL) {
9ee7055c 224 dbprintf(_("no such type %s\n"), argv[1]);
dfc130f3 225 } else {
9ba69ce2
DC		 226 if (iocur_top->typ == NULL)
227 dbprintf(_("no current object\n"));
228 else {
229 cur_typ = tt;
230 set_iocur_type(tt);
dfc130f3
RC		 231 }
232 }
2bd0ea18
NS		 233 }
234 return 0;
235}
236
237void
238type_init(void)
239{
240 add_command(&type_cmd);
241}
242
243/* read/write selectors for each major data type */
244
245void
246handle_struct(
247 int action,
248 const field_t *fields,
249 int argc,
250 char **argv)
251{
252 if (action == DB_WRITE)
253 write_struct(fields, argc, argv);
254 else
255 print_struct(fields, argc, argv);
256}
257
258void
259handle_string(
260 int action,
261 const field_t *fields,
262 int argc,
263 char **argv)
264{
265 if (action == DB_WRITE)
266 write_string(fields, argc, argv);
267 else
268 print_string(fields, argc, argv);
269}
270
271void
272handle_block(
273 int action,
274 const field_t *fields,
275 int argc,
276 char **argv)
277{
278 if (action == DB_WRITE)
279 write_block(fields, argc, argv);
280 else
281 print_block(fields, argc, argv);
282}
c6b24b3b
NS		 283
284void
285handle_text(
286 int action,
287 const field_t *fields,
288 int argc,
289 char **argv)
290{
291 if (action != DB_WRITE)
292 print_text(fields, argc, argv);
293}
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