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1 | /* |
2 | |
3 | DB_File.xs -- Perl 5 interface to Berkeley DB |
4 | |
6ca2e664 |
5 | written by Paul Marquess <Paul.Marquess@btinternet.com> |
412e9c57 |
6 | last modified 26th Nov 2001 |
7 | version 1.801 |
a0d0e21e |
8 | |
9 | All comments/suggestions/problems are welcome |
10 | |
c5da4faf |
11 | Copyright (c) 1995-2001 Paul Marquess. All rights reserved. |
36477c24 |
12 | This program is free software; you can redistribute it and/or |
13 | modify it under the same terms as Perl itself. |
14 | |
3b35bae3 |
15 | Changes: |
4633a7c4 |
16 | 0.1 - Initial Release |
17 | 0.2 - No longer bombs out if dbopen returns an error. |
18 | 0.3 - Added some support for multiple btree compares |
19 | 1.0 - Complete support for multiple callbacks added. |
20 | Fixed a problem with pushing a value onto an empty list. |
21 | 1.01 - Fixed a SunOS core dump problem. |
22 | The return value from TIEHASH wasn't set to NULL when |
23 | dbopen returned an error. |
88108326 |
24 | 1.02 - Use ALIAS to define TIEARRAY. |
25 | Removed some redundant commented code. |
26 | Merged OS2 code into the main distribution. |
27 | Allow negative subscripts with RECNO interface. |
28 | Changed the default flags to O_CREAT|O_RDWR |
f6b705ef |
29 | 1.03 - Added EXISTS |
610ab055 |
30 | 1.04 - fixed a couple of bugs in hash_cb. Patches supplied by |
31 | Dave Hammen, hammen@gothamcity.jsc.nasa.gov |
32 | 1.05 - Added logic to allow prefix & hash types to be specified via |
33 | Makefile.PL |
ff68c719 |
34 | 1.06 - Minor namespace cleanup: Localized PrintBtree. |
36477c24 |
35 | 1.07 - Fixed bug with RECNO, where bval wasn't defaulting to "\n". |
36 | 1.08 - No change to DB_File.xs |
18d2dc8c |
37 | 1.09 - Default mode for dbopen changed to 0666 |
a0b8c8c1 |
38 | 1.10 - Fixed fd method so that it still returns -1 for |
39 | in-memory files when db 1.86 is used. |
778183f3 |
40 | 1.11 - No change to DB_File.xs |
68dc0745 |
41 | 1.12 - No change to DB_File.xs |
1f70e1ea |
42 | 1.13 - Tidied up a few casts. |
43 | 1.14 - Made it illegal to tie an associative array to a RECNO |
44 | database and an ordinary array to a HASH or BTREE database. |
45 | 1.50 - Make work with both DB 1.x or DB 2.x |
46 | 1.51 - Fixed a bug in mapping 1.x O_RDONLY flag to 2.x DB_RDONLY equivalent |
47 | 1.52 - Patch from Gisle Aas <gisle@aas.no> to suppress "use of |
a6ed719b |
48 | undefined value" warning with db_get and db_seq. |
1f70e1ea |
49 | 1.53 - Added DB_RENUMBER to flags for recno. |
50 | 1.54 - Fixed bug in the fd method |
51 | 1.55 - Fix for AIX from Jarkko Hietaniemi |
52 | 1.56 - No change to DB_File.xs |
045291aa |
53 | 1.57 - added the #undef op to allow building with Threads support. |
54 | 1.58 - Fixed a problem with the use of sv_setpvn. When the |
55 | size is specified as 0, it does a strlen on the data. |
56 | This was ok for DB 1.x, but isn't for DB 2.x. |
a9fd575d |
57 | 1.59 - No change to DB_File.xs |
58 | 1.60 - Some code tidy up |
9d9477b1 |
59 | 1.61 - added flagSet macro for DB 2.5.x |
60 | fixed typo in O_RDONLY test. |
6ca2e664 |
61 | 1.62 - No change to DB_File.xs |
62 | 1.63 - Fix to alllow DB 2.6.x to build. |
20896112 |
63 | 1.64 - Tidied up the 1.x to 2.x flags mapping code. |
64 | Added a patch from Mark Kettenis <kettenis@wins.uva.nl> |
65 | to fix a flag mapping problem with O_RDONLY on the Hurd |
ca63f0d2 |
66 | 1.65 - Fixed a bug in the PUSH logic. |
67 | Added BOOT check that using 2.3.4 or greater |
9fe6733a |
68 | 1.66 - Added DBM filter code |
cad2e5aa |
69 | 1.67 - Backed off the use of newSVpvn. |
70 | Fixed DBM Filter code for Perl 5.004. |
71 | Fixed a small memory leak in the filter code. |
2c2d71f5 |
72 | 1.68 - fixed backward compatability bug with R_IAFTER & R_IBEFORE |
73 | merged in the 5.005_58 changes |
a62982a8 |
74 | 1.69 - fixed a bug in push -- DB_APPEND wasn't working properly. |
75 | Fixed the R_SETCURSOR bug introduced in 1.68 |
76 | Added a new Perl variable $DB_File::db_ver |
e07e3419 |
77 | 1.70 - Initialise $DB_File::db_ver and $DB_File::db_version with |
78 | GV_ADD|GV_ADDMULT -- bug spotted by Nick Ing-Simmons. |
79 | Added a BOOT check to test for equivalent versions of db.h & |
80 | libdb.a/so. |
ccb44e3b |
81 | 1.71 - Support for Berkeley DB version 3. |
82 | Support for Berkeley DB 2/3's backward compatability mode. |
83 | Rewrote push |
b90e71be |
84 | 1.72 - No change to DB_File.xs |
88c74d4b |
85 | 1.73 - No change to DB_File.xs |
3245f058 |
86 | 1.74 - A call to open needed parenthesised to stop it clashing |
87 | with a win32 macro. |
88 | Added Perl core patches 7703 & 7801. |
73969f8f |
89 | 1.75 - Fixed Perl core patch 7703. |
90 | Added suppport to allow DB_File to be built with |
91 | Berkeley DB 3.2 -- btree_compare, btree_prefix and hash_cb |
92 | needed to be changed. |
c5da4faf |
93 | 1.76 - No change to DB_File.xs |
94 | 1.77 - Tidied up a few types used in calling newSVpvn. |
39793c41 |
95 | 1.78 - Core patch 10335, 10372, 10534, 10549, 11051 included. |
c6c92ad9 |
96 | 1.79 - NEXTKEY ignores the input key. |
97 | Added lots of casts |
07200f1b |
98 | 1.800 - Moved backward compatability code into ppport.h. |
99 | Use the new constants code. |
412e9c57 |
100 | 1.801 - No change to DB_File.xs |
f6b705ef |
101 | |
a0d0e21e |
102 | */ |
103 | |
c6c619a9 |
104 | #define PERL_NO_GET_CONTEXT |
a0d0e21e |
105 | #include "EXTERN.h" |
106 | #include "perl.h" |
107 | #include "XSUB.h" |
108 | |
07200f1b |
109 | #ifdef _NOT_CORE |
110 | # include "ppport.h" |
cad2e5aa |
111 | #endif |
112 | |
640374d0 |
113 | /* Mention DB_VERSION_MAJOR_CFG, DB_VERSION_MINOR_CFG, and |
114 | DB_VERSION_PATCH_CFG here so that Configure pulls them all in. */ |
115 | |
52e1cb5e |
116 | /* Being the Berkeley DB we prefer the <sys/cdefs.h> (which will be |
117 | * shortly #included by the <db.h>) __attribute__ to the possibly |
118 | * already defined __attribute__, for example by GNUC or by Perl. */ |
1f70e1ea |
119 | |
39793c41 |
120 | /* #if DB_VERSION_MAJOR_CFG < 2 */ |
121 | #ifndef DB_VERSION_MAJOR |
122 | # undef __attribute__ |
640374d0 |
123 | #endif |
124 | |
39793c41 |
125 | |
c6c619a9 |
126 | |
ccb44e3b |
127 | #ifdef COMPAT185 |
128 | # include <db_185.h> |
129 | #else |
130 | # include <db.h> |
131 | #endif |
a0d0e21e |
132 | |
39793c41 |
133 | /* Wall starts with 5.7.x */ |
134 | |
135 | #if PERL_REVISION > 5 || (PERL_REVISION == 5 && PERL_VERSION >= 7) |
136 | |
137 | /* Since we dropped the gccish definition of __attribute__ we will want |
138 | * to redefine dNOOP, however (so that dTHX continues to work). Yes, |
139 | * all this means that we can't do attribute checking on the DB_File, |
140 | * boo, hiss. */ |
141 | # ifndef DB_VERSION_MAJOR |
142 | |
143 | # undef dNOOP |
144 | # define dNOOP extern int Perl___notused |
145 | |
146 | /* Ditto for dXSARGS. */ |
147 | # undef dXSARGS |
148 | # define dXSARGS \ |
149 | dSP; dMARK; \ |
150 | I32 ax = mark - PL_stack_base + 1; \ |
151 | I32 items = sp - mark |
152 | |
153 | # endif |
154 | |
155 | /* avoid -Wall; DB_File xsubs never make use of `ix' setup for ALIASes */ |
156 | # undef dXSI32 |
157 | # define dXSI32 dNOOP |
158 | |
159 | #endif /* Perl >= 5.7 */ |
b92372bc |
160 | |
a0d0e21e |
161 | #include <fcntl.h> |
162 | |
1f70e1ea |
163 | /* #define TRACE */ |
9fe6733a |
164 | #define DBM_FILTERING |
1f70e1ea |
165 | |
ccb44e3b |
166 | #ifdef TRACE |
167 | # define Trace(x) printf x |
168 | #else |
169 | # define Trace(x) |
170 | #endif |
171 | |
1f70e1ea |
172 | |
ccb44e3b |
173 | #define DBT_clear(x) Zero(&x, 1, DBT) ; |
1f70e1ea |
174 | |
175 | #ifdef DB_VERSION_MAJOR |
176 | |
ccb44e3b |
177 | #if DB_VERSION_MAJOR == 2 |
178 | # define BERKELEY_DB_1_OR_2 |
179 | #endif |
180 | |
73969f8f |
181 | #if DB_VERSION_MAJOR > 3 || (DB_VERSION_MAJOR == 3 && DB_VERSION_MINOR >= 2) |
182 | # define AT_LEAST_DB_3_2 |
183 | #endif |
184 | |
1f70e1ea |
185 | /* map version 2 features & constants onto their version 1 equivalent */ |
186 | |
187 | #ifdef DB_Prefix_t |
2c2d71f5 |
188 | # undef DB_Prefix_t |
1f70e1ea |
189 | #endif |
190 | #define DB_Prefix_t size_t |
191 | |
192 | #ifdef DB_Hash_t |
2c2d71f5 |
193 | # undef DB_Hash_t |
1f70e1ea |
194 | #endif |
195 | #define DB_Hash_t u_int32_t |
196 | |
197 | /* DBTYPE stays the same */ |
198 | /* HASHINFO, RECNOINFO and BTREEINFO map to DB_INFO */ |
ccb44e3b |
199 | #if DB_VERSION_MAJOR == 2 |
200 | typedef DB_INFO INFO ; |
201 | #else /* DB_VERSION_MAJOR > 2 */ |
202 | # define DB_FIXEDLEN (0x8000) |
203 | #endif /* DB_VERSION_MAJOR == 2 */ |
1f70e1ea |
204 | |
205 | /* version 2 has db_recno_t in place of recno_t */ |
206 | typedef db_recno_t recno_t; |
207 | |
208 | |
209 | #define R_CURSOR DB_SET_RANGE |
210 | #define R_FIRST DB_FIRST |
211 | #define R_IAFTER DB_AFTER |
212 | #define R_IBEFORE DB_BEFORE |
213 | #define R_LAST DB_LAST |
214 | #define R_NEXT DB_NEXT |
215 | #define R_NOOVERWRITE DB_NOOVERWRITE |
216 | #define R_PREV DB_PREV |
ccb44e3b |
217 | |
a62982a8 |
218 | #if DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR < 5 |
ccb44e3b |
219 | # define R_SETCURSOR 0x800000 |
a62982a8 |
220 | #else |
ccb44e3b |
221 | # define R_SETCURSOR (-100) |
a62982a8 |
222 | #endif |
ccb44e3b |
223 | |
1f70e1ea |
224 | #define R_RECNOSYNC 0 |
225 | #define R_FIXEDLEN DB_FIXEDLEN |
226 | #define R_DUP DB_DUP |
227 | |
ccb44e3b |
228 | |
1f70e1ea |
229 | #define db_HA_hash h_hash |
230 | #define db_HA_ffactor h_ffactor |
231 | #define db_HA_nelem h_nelem |
232 | #define db_HA_bsize db_pagesize |
233 | #define db_HA_cachesize db_cachesize |
234 | #define db_HA_lorder db_lorder |
235 | |
236 | #define db_BT_compare bt_compare |
237 | #define db_BT_prefix bt_prefix |
238 | #define db_BT_flags flags |
239 | #define db_BT_psize db_pagesize |
240 | #define db_BT_cachesize db_cachesize |
241 | #define db_BT_lorder db_lorder |
242 | #define db_BT_maxkeypage |
243 | #define db_BT_minkeypage |
244 | |
245 | |
246 | #define db_RE_reclen re_len |
247 | #define db_RE_flags flags |
248 | #define db_RE_bval re_pad |
249 | #define db_RE_bfname re_source |
250 | #define db_RE_psize db_pagesize |
251 | #define db_RE_cachesize db_cachesize |
252 | #define db_RE_lorder db_lorder |
253 | |
254 | #define TXN NULL, |
255 | |
256 | #define do_SEQ(db, key, value, flag) (db->cursor->c_get)(db->cursor, &key, &value, flag) |
257 | |
258 | |
259 | #define DBT_flags(x) x.flags = 0 |
260 | #define DB_flags(x, v) x |= v |
261 | |
9d9477b1 |
262 | #if DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR < 5 |
ccb44e3b |
263 | # define flagSet(flags, bitmask) ((flags) & (bitmask)) |
9d9477b1 |
264 | #else |
ccb44e3b |
265 | # define flagSet(flags, bitmask) (((flags) & DB_OPFLAGS_MASK) == (bitmask)) |
9d9477b1 |
266 | #endif |
267 | |
1f70e1ea |
268 | #else /* db version 1.x */ |
269 | |
73969f8f |
270 | #define BERKELEY_DB_1 |
ccb44e3b |
271 | #define BERKELEY_DB_1_OR_2 |
272 | |
1f70e1ea |
273 | typedef union INFO { |
274 | HASHINFO hash ; |
275 | RECNOINFO recno ; |
276 | BTREEINFO btree ; |
277 | } INFO ; |
278 | |
279 | |
610ab055 |
280 | #ifdef mDB_Prefix_t |
ccb44e3b |
281 | # ifdef DB_Prefix_t |
282 | # undef DB_Prefix_t |
283 | # endif |
284 | # define DB_Prefix_t mDB_Prefix_t |
610ab055 |
285 | #endif |
286 | |
287 | #ifdef mDB_Hash_t |
ccb44e3b |
288 | # ifdef DB_Hash_t |
289 | # undef DB_Hash_t |
290 | # endif |
291 | # define DB_Hash_t mDB_Hash_t |
610ab055 |
292 | #endif |
293 | |
1f70e1ea |
294 | #define db_HA_hash hash.hash |
295 | #define db_HA_ffactor hash.ffactor |
296 | #define db_HA_nelem hash.nelem |
297 | #define db_HA_bsize hash.bsize |
298 | #define db_HA_cachesize hash.cachesize |
299 | #define db_HA_lorder hash.lorder |
300 | |
301 | #define db_BT_compare btree.compare |
302 | #define db_BT_prefix btree.prefix |
303 | #define db_BT_flags btree.flags |
304 | #define db_BT_psize btree.psize |
305 | #define db_BT_cachesize btree.cachesize |
306 | #define db_BT_lorder btree.lorder |
307 | #define db_BT_maxkeypage btree.maxkeypage |
308 | #define db_BT_minkeypage btree.minkeypage |
309 | |
310 | #define db_RE_reclen recno.reclen |
311 | #define db_RE_flags recno.flags |
312 | #define db_RE_bval recno.bval |
313 | #define db_RE_bfname recno.bfname |
314 | #define db_RE_psize recno.psize |
315 | #define db_RE_cachesize recno.cachesize |
316 | #define db_RE_lorder recno.lorder |
317 | |
318 | #define TXN |
319 | |
320 | #define do_SEQ(db, key, value, flag) (db->dbp->seq)(db->dbp, &key, &value, flag) |
321 | #define DBT_flags(x) |
322 | #define DB_flags(x, v) |
9d9477b1 |
323 | #define flagSet(flags, bitmask) ((flags) & (bitmask)) |
1f70e1ea |
324 | |
325 | #endif /* db version 1 */ |
326 | |
327 | |
328 | |
329 | #define db_DELETE(db, key, flags) ((db->dbp)->del)(db->dbp, TXN &key, flags) |
330 | #define db_STORE(db, key, value, flags) ((db->dbp)->put)(db->dbp, TXN &key, &value, flags) |
331 | #define db_FETCH(db, key, flags) ((db->dbp)->get)(db->dbp, TXN &key, &value, flags) |
332 | |
333 | #define db_sync(db, flags) ((db->dbp)->sync)(db->dbp, flags) |
334 | #define db_get(db, key, value, flags) ((db->dbp)->get)(db->dbp, TXN &key, &value, flags) |
9d9477b1 |
335 | |
1f70e1ea |
336 | #ifdef DB_VERSION_MAJOR |
a62982a8 |
337 | #define db_DESTROY(db) ( db->cursor->c_close(db->cursor),\ |
ccb44e3b |
338 | (db->dbp->close)(db->dbp, 0) ) |
1f70e1ea |
339 | #define db_close(db) ((db->dbp)->close)(db->dbp, 0) |
9d9477b1 |
340 | #define db_del(db, key, flags) (flagSet(flags, R_CURSOR) \ |
1f70e1ea |
341 | ? ((db->cursor)->c_del)(db->cursor, 0) \ |
342 | : ((db->dbp)->del)(db->dbp, NULL, &key, flags) ) |
343 | |
ccb44e3b |
344 | #else /* ! DB_VERSION_MAJOR */ |
1f70e1ea |
345 | |
346 | #define db_DESTROY(db) ((db->dbp)->close)(db->dbp) |
347 | #define db_close(db) ((db->dbp)->close)(db->dbp) |
348 | #define db_del(db, key, flags) ((db->dbp)->del)(db->dbp, &key, flags) |
349 | #define db_put(db, key, value, flags) ((db->dbp)->put)(db->dbp, &key, &value, flags) |
350 | |
ccb44e3b |
351 | #endif /* ! DB_VERSION_MAJOR */ |
1f70e1ea |
352 | |
9d9477b1 |
353 | |
1f70e1ea |
354 | #define db_seq(db, key, value, flags) do_SEQ(db, key, value, flags) |
610ab055 |
355 | |
8e07c86e |
356 | typedef struct { |
357 | DBTYPE type ; |
358 | DB * dbp ; |
359 | SV * compare ; |
360 | SV * prefix ; |
361 | SV * hash ; |
a0b8c8c1 |
362 | int in_memory ; |
ccb44e3b |
363 | #ifdef BERKELEY_DB_1_OR_2 |
1f70e1ea |
364 | INFO info ; |
ccb44e3b |
365 | #endif |
1f70e1ea |
366 | #ifdef DB_VERSION_MAJOR |
367 | DBC * cursor ; |
368 | #endif |
9fe6733a |
369 | #ifdef DBM_FILTERING |
370 | SV * filter_fetch_key ; |
371 | SV * filter_store_key ; |
372 | SV * filter_fetch_value ; |
373 | SV * filter_store_value ; |
374 | int filtering ; |
375 | #endif /* DBM_FILTERING */ |
376 | |
8e07c86e |
377 | } DB_File_type; |
378 | |
379 | typedef DB_File_type * DB_File ; |
a0d0e21e |
380 | typedef DBT DBTKEY ; |
381 | |
9fe6733a |
382 | #ifdef DBM_FILTERING |
383 | |
384 | #define ckFilter(arg,type,name) \ |
385 | if (db->type) { \ |
386 | SV * save_defsv ; \ |
c6c92ad9 |
387 | /* printf("filtering %s\n", name) ; */ \ |
9fe6733a |
388 | if (db->filtering) \ |
389 | croak("recursion detected in %s", name) ; \ |
390 | db->filtering = TRUE ; \ |
9fe6733a |
391 | save_defsv = newSVsv(DEFSV) ; \ |
392 | sv_setsv(DEFSV, arg) ; \ |
393 | PUSHMARK(sp) ; \ |
394 | (void) perl_call_sv(db->type, G_DISCARD|G_NOARGS); \ |
9fe6733a |
395 | sv_setsv(arg, DEFSV) ; \ |
cad2e5aa |
396 | sv_setsv(DEFSV, save_defsv) ; \ |
9fe6733a |
397 | SvREFCNT_dec(save_defsv) ; \ |
9fe6733a |
398 | db->filtering = FALSE ; \ |
c6c92ad9 |
399 | /* printf("end of filtering %s\n", name) ; */ \ |
9fe6733a |
400 | } |
401 | |
402 | #else |
403 | |
404 | #define ckFilter(arg,type, name) |
405 | |
406 | #endif /* DBM_FILTERING */ |
407 | |
045291aa |
408 | #define my_sv_setpvn(sv, d, s) sv_setpvn(sv, (s ? d : (void*)""), s) |
a0d0e21e |
409 | |
9fe6733a |
410 | #define OutputValue(arg, name) \ |
411 | { if (RETVAL == 0) { \ |
412 | my_sv_setpvn(arg, name.data, name.size) ; \ |
413 | ckFilter(arg, filter_fetch_value,"filter_fetch_value") ; \ |
414 | } \ |
88108326 |
415 | } |
a0d0e21e |
416 | |
9fe6733a |
417 | #define OutputKey(arg, name) \ |
418 | { if (RETVAL == 0) \ |
419 | { \ |
420 | if (db->type != DB_RECNO) { \ |
421 | my_sv_setpvn(arg, name.data, name.size); \ |
422 | } \ |
423 | else \ |
424 | sv_setiv(arg, (I32)*(I32*)name.data - 1); \ |
425 | ckFilter(arg, filter_fetch_key,"filter_fetch_key") ; \ |
426 | } \ |
a0d0e21e |
427 | } |
428 | |
c6c92ad9 |
429 | #define my_SvUV32(sv) ((u_int32_t)SvUV(sv)) |
045291aa |
430 | |
39793c41 |
431 | #ifdef CAN_PROTOTYPE |
432 | extern void __getBerkeleyDBInfo(void); |
433 | #endif |
434 | |
a0d0e21e |
435 | /* Internal Global Data */ |
07200f1b |
436 | |
df3728a2 |
437 | #define MY_CXT_KEY "DB_File::_guts" XS_VERSION |
438 | |
439 | typedef struct { |
440 | recno_t x_Value; |
441 | recno_t x_zero; |
442 | DB_File x_CurrentDB; |
443 | DBTKEY x_empty; |
444 | } my_cxt_t; |
445 | |
446 | START_MY_CXT |
447 | |
448 | #define Value (MY_CXT.x_Value) |
449 | #define zero (MY_CXT.x_zero) |
450 | #define CurrentDB (MY_CXT.x_CurrentDB) |
451 | #define empty (MY_CXT.x_empty) |
1f70e1ea |
452 | |
453 | #ifdef DB_VERSION_MAJOR |
454 | |
455 | static int |
2c2d71f5 |
456 | #ifdef CAN_PROTOTYPE |
b76802f5 |
457 | db_put(DB_File db, DBTKEY key, DBT value, u_int flags) |
2c2d71f5 |
458 | #else |
459 | db_put(db, key, value, flags) |
460 | DB_File db ; |
461 | DBTKEY key ; |
462 | DBT value ; |
463 | u_int flags ; |
464 | #endif |
1f70e1ea |
465 | { |
466 | int status ; |
467 | |
2c2d71f5 |
468 | if (flagSet(flags, R_IAFTER) || flagSet(flags, R_IBEFORE)) { |
469 | DBC * temp_cursor ; |
470 | DBT l_key, l_value; |
471 | |
472 | #if DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR < 6 |
473 | if (((db->dbp)->cursor)(db->dbp, NULL, &temp_cursor) != 0) |
9d9477b1 |
474 | #else |
2c2d71f5 |
475 | if (((db->dbp)->cursor)(db->dbp, NULL, &temp_cursor, 0) != 0) |
9d9477b1 |
476 | #endif |
2c2d71f5 |
477 | return (-1) ; |
478 | |
479 | memset(&l_key, 0, sizeof(l_key)); |
480 | l_key.data = key.data; |
481 | l_key.size = key.size; |
482 | memset(&l_value, 0, sizeof(l_value)); |
483 | l_value.data = value.data; |
484 | l_value.size = value.size; |
485 | |
486 | if ( temp_cursor->c_get(temp_cursor, &l_key, &l_value, DB_SET) != 0) { |
487 | (void)temp_cursor->c_close(temp_cursor); |
488 | return (-1); |
489 | } |
490 | |
491 | status = temp_cursor->c_put(temp_cursor, &key, &value, flags); |
492 | (void)temp_cursor->c_close(temp_cursor); |
493 | |
494 | return (status) ; |
495 | } |
496 | |
497 | |
498 | if (flagSet(flags, R_CURSOR)) { |
499 | return ((db->cursor)->c_put)(db->cursor, &key, &value, DB_CURRENT); |
500 | } |
9d9477b1 |
501 | |
2c2d71f5 |
502 | if (flagSet(flags, R_SETCURSOR)) { |
503 | if ((db->dbp)->put(db->dbp, NULL, &key, &value, 0) != 0) |
504 | return -1 ; |
505 | return ((db->cursor)->c_get)(db->cursor, &key, &value, DB_SET_RANGE); |
506 | |
1f70e1ea |
507 | } |
508 | |
509 | return ((db->dbp)->put)(db->dbp, NULL, &key, &value, flags) ; |
510 | |
511 | } |
512 | |
513 | #endif /* DB_VERSION_MAJOR */ |
514 | |
a0d0e21e |
515 | |
516 | static int |
73969f8f |
517 | #ifdef AT_LEAST_DB_3_2 |
518 | |
519 | #ifdef CAN_PROTOTYPE |
520 | btree_compare(DB * db, const DBT *key1, const DBT *key2) |
521 | #else |
522 | btree_compare(db, key1, key2) |
523 | DB * db ; |
524 | const DBT * key1 ; |
525 | const DBT * key2 ; |
526 | #endif /* CAN_PROTOTYPE */ |
527 | |
528 | #else /* Berkeley DB < 3.2 */ |
529 | |
2c2d71f5 |
530 | #ifdef CAN_PROTOTYPE |
b76802f5 |
531 | btree_compare(const DBT *key1, const DBT *key2) |
2c2d71f5 |
532 | #else |
533 | btree_compare(key1, key2) |
534 | const DBT * key1 ; |
535 | const DBT * key2 ; |
536 | #endif |
73969f8f |
537 | |
538 | #endif |
539 | |
a0d0e21e |
540 | { |
2c2d71f5 |
541 | #ifdef dTHX |
b76802f5 |
542 | dTHX; |
2c2d71f5 |
543 | #endif |
a0d0e21e |
544 | dSP ; |
df3728a2 |
545 | dMY_CXT ; |
546 | void * data1, * data2 ; |
a0d0e21e |
547 | int retval ; |
548 | int count ; |
549 | |
c5da4faf |
550 | data1 = (char *) key1->data ; |
551 | data2 = (char *) key2->data ; |
cad2e5aa |
552 | |
2c2d71f5 |
553 | #ifndef newSVpvn |
a0d0e21e |
554 | /* As newSVpv will assume that the data pointer is a null terminated C |
555 | string if the size parameter is 0, make sure that data points to an |
556 | empty string if the length is 0 |
557 | */ |
558 | if (key1->size == 0) |
559 | data1 = "" ; |
560 | if (key2->size == 0) |
561 | data2 = "" ; |
2c2d71f5 |
562 | #endif |
cad2e5aa |
563 | |
a0d0e21e |
564 | ENTER ; |
565 | SAVETMPS; |
566 | |
924508f0 |
567 | PUSHMARK(SP) ; |
568 | EXTEND(SP,2) ; |
2c2d71f5 |
569 | PUSHs(sv_2mortal(newSVpvn(data1,key1->size))); |
570 | PUSHs(sv_2mortal(newSVpvn(data2,key2->size))); |
a0d0e21e |
571 | PUTBACK ; |
572 | |
8e07c86e |
573 | count = perl_call_sv(CurrentDB->compare, G_SCALAR); |
a0d0e21e |
574 | |
575 | SPAGAIN ; |
576 | |
577 | if (count != 1) |
ff0cee69 |
578 | croak ("DB_File btree_compare: expected 1 return value from compare sub, got %d\n", count) ; |
a0d0e21e |
579 | |
580 | retval = POPi ; |
581 | |
582 | PUTBACK ; |
583 | FREETMPS ; |
584 | LEAVE ; |
585 | return (retval) ; |
586 | |
587 | } |
588 | |
ecfc5424 |
589 | static DB_Prefix_t |
73969f8f |
590 | #ifdef AT_LEAST_DB_3_2 |
591 | |
592 | #ifdef CAN_PROTOTYPE |
593 | btree_prefix(DB * db, const DBT *key1, const DBT *key2) |
594 | #else |
595 | btree_prefix(db, key1, key2) |
596 | Db * db ; |
597 | const DBT * key1 ; |
598 | const DBT * key2 ; |
599 | #endif |
600 | |
601 | #else /* Berkeley DB < 3.2 */ |
602 | |
2c2d71f5 |
603 | #ifdef CAN_PROTOTYPE |
b76802f5 |
604 | btree_prefix(const DBT *key1, const DBT *key2) |
2c2d71f5 |
605 | #else |
606 | btree_prefix(key1, key2) |
607 | const DBT * key1 ; |
608 | const DBT * key2 ; |
609 | #endif |
73969f8f |
610 | |
611 | #endif |
a0d0e21e |
612 | { |
2c2d71f5 |
613 | #ifdef dTHX |
b76802f5 |
614 | dTHX; |
2c2d71f5 |
615 | #endif |
a0d0e21e |
616 | dSP ; |
df3728a2 |
617 | dMY_CXT ; |
c5da4faf |
618 | char * data1, * data2 ; |
a0d0e21e |
619 | int retval ; |
620 | int count ; |
621 | |
c5da4faf |
622 | data1 = (char *) key1->data ; |
623 | data2 = (char *) key2->data ; |
cad2e5aa |
624 | |
2c2d71f5 |
625 | #ifndef newSVpvn |
a0d0e21e |
626 | /* As newSVpv will assume that the data pointer is a null terminated C |
627 | string if the size parameter is 0, make sure that data points to an |
628 | empty string if the length is 0 |
629 | */ |
630 | if (key1->size == 0) |
631 | data1 = "" ; |
632 | if (key2->size == 0) |
633 | data2 = "" ; |
2c2d71f5 |
634 | #endif |
cad2e5aa |
635 | |
a0d0e21e |
636 | ENTER ; |
637 | SAVETMPS; |
638 | |
924508f0 |
639 | PUSHMARK(SP) ; |
640 | EXTEND(SP,2) ; |
2c2d71f5 |
641 | PUSHs(sv_2mortal(newSVpvn(data1,key1->size))); |
642 | PUSHs(sv_2mortal(newSVpvn(data2,key2->size))); |
a0d0e21e |
643 | PUTBACK ; |
644 | |
8e07c86e |
645 | count = perl_call_sv(CurrentDB->prefix, G_SCALAR); |
a0d0e21e |
646 | |
647 | SPAGAIN ; |
648 | |
649 | if (count != 1) |
ff0cee69 |
650 | croak ("DB_File btree_prefix: expected 1 return value from prefix sub, got %d\n", count) ; |
a0d0e21e |
651 | |
652 | retval = POPi ; |
653 | |
654 | PUTBACK ; |
655 | FREETMPS ; |
656 | LEAVE ; |
657 | |
658 | return (retval) ; |
659 | } |
660 | |
3245f058 |
661 | |
73969f8f |
662 | #ifdef BERKELEY_DB_1 |
a56128cb |
663 | # define HASH_CB_SIZE_TYPE size_t |
664 | #else |
665 | # define HASH_CB_SIZE_TYPE u_int32_t |
666 | #endif |
667 | |
ecfc5424 |
668 | static DB_Hash_t |
73969f8f |
669 | #ifdef AT_LEAST_DB_3_2 |
670 | |
671 | #ifdef CAN_PROTOTYPE |
672 | hash_cb(DB * db, const void *data, u_int32_t size) |
673 | #else |
674 | hash_cb(db, data, size) |
675 | DB * db ; |
676 | const void * data ; |
677 | HASH_CB_SIZE_TYPE size ; |
678 | #endif |
679 | |
680 | #else /* Berkeley DB < 3.2 */ |
681 | |
2c2d71f5 |
682 | #ifdef CAN_PROTOTYPE |
a56128cb |
683 | hash_cb(const void *data, HASH_CB_SIZE_TYPE size) |
2c2d71f5 |
684 | #else |
685 | hash_cb(data, size) |
686 | const void * data ; |
a56128cb |
687 | HASH_CB_SIZE_TYPE size ; |
2c2d71f5 |
688 | #endif |
73969f8f |
689 | |
690 | #endif |
a0d0e21e |
691 | { |
2c2d71f5 |
692 | #ifdef dTHX |
b76802f5 |
693 | dTHX; |
2c2d71f5 |
694 | #endif |
a0d0e21e |
695 | dSP ; |
df3728a2 |
696 | dMY_CXT; |
a0d0e21e |
697 | int retval ; |
698 | int count ; |
cad2e5aa |
699 | |
2c2d71f5 |
700 | #ifndef newSVpvn |
a0d0e21e |
701 | if (size == 0) |
702 | data = "" ; |
2c2d71f5 |
703 | #endif |
cad2e5aa |
704 | |
610ab055 |
705 | /* DGH - Next two lines added to fix corrupted stack problem */ |
706 | ENTER ; |
707 | SAVETMPS; |
708 | |
924508f0 |
709 | PUSHMARK(SP) ; |
610ab055 |
710 | |
2c2d71f5 |
711 | XPUSHs(sv_2mortal(newSVpvn((char*)data,size))); |
a0d0e21e |
712 | PUTBACK ; |
713 | |
8e07c86e |
714 | count = perl_call_sv(CurrentDB->hash, G_SCALAR); |
a0d0e21e |
715 | |
716 | SPAGAIN ; |
717 | |
718 | if (count != 1) |
ff0cee69 |
719 | croak ("DB_File hash_cb: expected 1 return value from hash sub, got %d\n", count) ; |
a0d0e21e |
720 | |
721 | retval = POPi ; |
722 | |
723 | PUTBACK ; |
724 | FREETMPS ; |
725 | LEAVE ; |
726 | |
727 | return (retval) ; |
728 | } |
729 | |
730 | |
ccb44e3b |
731 | #if defined(TRACE) && defined(BERKELEY_DB_1_OR_2) |
a0d0e21e |
732 | |
733 | static void |
2c2d71f5 |
734 | #ifdef CAN_PROTOTYPE |
b76802f5 |
735 | PrintHash(INFO *hash) |
2c2d71f5 |
736 | #else |
737 | PrintHash(hash) |
738 | INFO * hash ; |
739 | #endif |
a0d0e21e |
740 | { |
741 | printf ("HASH Info\n") ; |
1f70e1ea |
742 | printf (" hash = %s\n", |
743 | (hash->db_HA_hash != NULL ? "redefined" : "default")) ; |
744 | printf (" bsize = %d\n", hash->db_HA_bsize) ; |
745 | printf (" ffactor = %d\n", hash->db_HA_ffactor) ; |
746 | printf (" nelem = %d\n", hash->db_HA_nelem) ; |
747 | printf (" cachesize = %d\n", hash->db_HA_cachesize) ; |
748 | printf (" lorder = %d\n", hash->db_HA_lorder) ; |
a0d0e21e |
749 | |
750 | } |
751 | |
752 | static void |
2c2d71f5 |
753 | #ifdef CAN_PROTOTYPE |
b76802f5 |
754 | PrintRecno(INFO *recno) |
2c2d71f5 |
755 | #else |
756 | PrintRecno(recno) |
757 | INFO * recno ; |
758 | #endif |
a0d0e21e |
759 | { |
760 | printf ("RECNO Info\n") ; |
1f70e1ea |
761 | printf (" flags = %d\n", recno->db_RE_flags) ; |
762 | printf (" cachesize = %d\n", recno->db_RE_cachesize) ; |
763 | printf (" psize = %d\n", recno->db_RE_psize) ; |
764 | printf (" lorder = %d\n", recno->db_RE_lorder) ; |
765 | printf (" reclen = %ul\n", (unsigned long)recno->db_RE_reclen) ; |
766 | printf (" bval = %d 0x%x\n", recno->db_RE_bval, recno->db_RE_bval) ; |
767 | printf (" bfname = %d [%s]\n", recno->db_RE_bfname, recno->db_RE_bfname) ; |
a0d0e21e |
768 | } |
769 | |
ff68c719 |
770 | static void |
2c2d71f5 |
771 | #ifdef CAN_PROTOTYPE |
b76802f5 |
772 | PrintBtree(INFO *btree) |
2c2d71f5 |
773 | #else |
774 | PrintBtree(btree) |
775 | INFO * btree ; |
776 | #endif |
a0d0e21e |
777 | { |
778 | printf ("BTREE Info\n") ; |
1f70e1ea |
779 | printf (" compare = %s\n", |
780 | (btree->db_BT_compare ? "redefined" : "default")) ; |
781 | printf (" prefix = %s\n", |
782 | (btree->db_BT_prefix ? "redefined" : "default")) ; |
783 | printf (" flags = %d\n", btree->db_BT_flags) ; |
784 | printf (" cachesize = %d\n", btree->db_BT_cachesize) ; |
785 | printf (" psize = %d\n", btree->db_BT_psize) ; |
786 | #ifndef DB_VERSION_MAJOR |
787 | printf (" maxkeypage = %d\n", btree->db_BT_maxkeypage) ; |
788 | printf (" minkeypage = %d\n", btree->db_BT_minkeypage) ; |
789 | #endif |
790 | printf (" lorder = %d\n", btree->db_BT_lorder) ; |
a0d0e21e |
791 | } |
792 | |
793 | #else |
794 | |
795 | #define PrintRecno(recno) |
796 | #define PrintHash(hash) |
797 | #define PrintBtree(btree) |
798 | |
799 | #endif /* TRACE */ |
800 | |
801 | |
802 | static I32 |
2c2d71f5 |
803 | #ifdef CAN_PROTOTYPE |
b76802f5 |
804 | GetArrayLength(pTHX_ DB_File db) |
2c2d71f5 |
805 | #else |
806 | GetArrayLength(db) |
807 | DB_File db ; |
808 | #endif |
a0d0e21e |
809 | { |
810 | DBT key ; |
811 | DBT value ; |
812 | int RETVAL ; |
813 | |
ccb44e3b |
814 | DBT_clear(key) ; |
815 | DBT_clear(value) ; |
1f70e1ea |
816 | RETVAL = do_SEQ(db, key, value, R_LAST) ; |
a0d0e21e |
817 | if (RETVAL == 0) |
818 | RETVAL = *(I32 *)key.data ; |
1f70e1ea |
819 | else /* No key means empty file */ |
a0d0e21e |
820 | RETVAL = 0 ; |
821 | |
a0b8c8c1 |
822 | return ((I32)RETVAL) ; |
a0d0e21e |
823 | } |
824 | |
88108326 |
825 | static recno_t |
2c2d71f5 |
826 | #ifdef CAN_PROTOTYPE |
b76802f5 |
827 | GetRecnoKey(pTHX_ DB_File db, I32 value) |
2c2d71f5 |
828 | #else |
829 | GetRecnoKey(db, value) |
830 | DB_File db ; |
831 | I32 value ; |
832 | #endif |
88108326 |
833 | { |
834 | if (value < 0) { |
835 | /* Get the length of the array */ |
b76802f5 |
836 | I32 length = GetArrayLength(aTHX_ db) ; |
88108326 |
837 | |
838 | /* check for attempt to write before start of array */ |
839 | if (length + value + 1 <= 0) |
ff0cee69 |
840 | croak("Modification of non-creatable array value attempted, subscript %ld", (long)value) ; |
88108326 |
841 | |
842 | value = length + value + 1 ; |
843 | } |
844 | else |
845 | ++ value ; |
846 | |
847 | return value ; |
a0d0e21e |
848 | } |
849 | |
ccb44e3b |
850 | |
a0d0e21e |
851 | static DB_File |
2c2d71f5 |
852 | #ifdef CAN_PROTOTYPE |
b76802f5 |
853 | ParseOpenInfo(pTHX_ int isHASH, char *name, int flags, int mode, SV *sv) |
2c2d71f5 |
854 | #else |
855 | ParseOpenInfo(isHASH, name, flags, mode, sv) |
856 | int isHASH ; |
857 | char * name ; |
858 | int flags ; |
859 | int mode ; |
860 | SV * sv ; |
861 | #endif |
a0d0e21e |
862 | { |
ccb44e3b |
863 | |
864 | #ifdef BERKELEY_DB_1_OR_2 /* Berkeley DB Version 1 or 2 */ |
865 | |
a0d0e21e |
866 | SV ** svp; |
867 | HV * action ; |
045291aa |
868 | DB_File RETVAL = (DB_File)safemalloc(sizeof(DB_File_type)) ; |
a0d0e21e |
869 | void * openinfo = NULL ; |
045291aa |
870 | INFO * info = &RETVAL->info ; |
2d8e6c8d |
871 | STRLEN n_a; |
df3728a2 |
872 | dMY_CXT; |
1f70e1ea |
873 | |
874 | /* printf("In ParseOpenInfo name=[%s] flags=[%d] mode = [%d]\n", name, flags, mode) ; */ |
045291aa |
875 | Zero(RETVAL, 1, DB_File_type) ; |
a0d0e21e |
876 | |
88108326 |
877 | /* Default to HASH */ |
9fe6733a |
878 | #ifdef DBM_FILTERING |
879 | RETVAL->filtering = 0 ; |
880 | RETVAL->filter_fetch_key = RETVAL->filter_store_key = |
881 | RETVAL->filter_fetch_value = RETVAL->filter_store_value = |
882 | #endif /* DBM_FILTERING */ |
8e07c86e |
883 | RETVAL->hash = RETVAL->compare = RETVAL->prefix = NULL ; |
884 | RETVAL->type = DB_HASH ; |
a0d0e21e |
885 | |
610ab055 |
886 | /* DGH - Next line added to avoid SEGV on existing hash DB */ |
887 | CurrentDB = RETVAL; |
888 | |
a0b8c8c1 |
889 | /* fd for 1.86 hash in memory files doesn't return -1 like 1.85 */ |
890 | RETVAL->in_memory = (name == NULL) ; |
891 | |
a0d0e21e |
892 | if (sv) |
893 | { |
894 | if (! SvROK(sv) ) |
895 | croak ("type parameter is not a reference") ; |
896 | |
36477c24 |
897 | svp = hv_fetch( (HV*)SvRV(sv), "GOT", 3, FALSE) ; |
898 | if (svp && SvOK(*svp)) |
899 | action = (HV*) SvRV(*svp) ; |
900 | else |
901 | croak("internal error") ; |
610ab055 |
902 | |
a0d0e21e |
903 | if (sv_isa(sv, "DB_File::HASHINFO")) |
904 | { |
05475680 |
905 | |
906 | if (!isHASH) |
907 | croak("DB_File can only tie an associative array to a DB_HASH database") ; |
908 | |
8e07c86e |
909 | RETVAL->type = DB_HASH ; |
610ab055 |
910 | openinfo = (void*)info ; |
a0d0e21e |
911 | |
912 | svp = hv_fetch(action, "hash", 4, FALSE); |
913 | |
914 | if (svp && SvOK(*svp)) |
915 | { |
1f70e1ea |
916 | info->db_HA_hash = hash_cb ; |
8e07c86e |
917 | RETVAL->hash = newSVsv(*svp) ; |
a0d0e21e |
918 | } |
919 | else |
1f70e1ea |
920 | info->db_HA_hash = NULL ; |
a0d0e21e |
921 | |
a0d0e21e |
922 | svp = hv_fetch(action, "ffactor", 7, FALSE); |
1f70e1ea |
923 | info->db_HA_ffactor = svp ? SvIV(*svp) : 0; |
a0d0e21e |
924 | |
925 | svp = hv_fetch(action, "nelem", 5, FALSE); |
1f70e1ea |
926 | info->db_HA_nelem = svp ? SvIV(*svp) : 0; |
a0d0e21e |
927 | |
1f70e1ea |
928 | svp = hv_fetch(action, "bsize", 5, FALSE); |
929 | info->db_HA_bsize = svp ? SvIV(*svp) : 0; |
930 | |
a0d0e21e |
931 | svp = hv_fetch(action, "cachesize", 9, FALSE); |
1f70e1ea |
932 | info->db_HA_cachesize = svp ? SvIV(*svp) : 0; |
a0d0e21e |
933 | |
934 | svp = hv_fetch(action, "lorder", 6, FALSE); |
1f70e1ea |
935 | info->db_HA_lorder = svp ? SvIV(*svp) : 0; |
a0d0e21e |
936 | |
937 | PrintHash(info) ; |
938 | } |
939 | else if (sv_isa(sv, "DB_File::BTREEINFO")) |
940 | { |
05475680 |
941 | if (!isHASH) |
942 | croak("DB_File can only tie an associative array to a DB_BTREE database"); |
943 | |
8e07c86e |
944 | RETVAL->type = DB_BTREE ; |
610ab055 |
945 | openinfo = (void*)info ; |
a0d0e21e |
946 | |
947 | svp = hv_fetch(action, "compare", 7, FALSE); |
948 | if (svp && SvOK(*svp)) |
949 | { |
1f70e1ea |
950 | info->db_BT_compare = btree_compare ; |
8e07c86e |
951 | RETVAL->compare = newSVsv(*svp) ; |
a0d0e21e |
952 | } |
953 | else |
1f70e1ea |
954 | info->db_BT_compare = NULL ; |
a0d0e21e |
955 | |
956 | svp = hv_fetch(action, "prefix", 6, FALSE); |
957 | if (svp && SvOK(*svp)) |
958 | { |
1f70e1ea |
959 | info->db_BT_prefix = btree_prefix ; |
8e07c86e |
960 | RETVAL->prefix = newSVsv(*svp) ; |
a0d0e21e |
961 | } |
962 | else |
1f70e1ea |
963 | info->db_BT_prefix = NULL ; |
a0d0e21e |
964 | |
965 | svp = hv_fetch(action, "flags", 5, FALSE); |
1f70e1ea |
966 | info->db_BT_flags = svp ? SvIV(*svp) : 0; |
a0d0e21e |
967 | |
968 | svp = hv_fetch(action, "cachesize", 9, FALSE); |
1f70e1ea |
969 | info->db_BT_cachesize = svp ? SvIV(*svp) : 0; |
a0d0e21e |
970 | |
1f70e1ea |
971 | #ifndef DB_VERSION_MAJOR |
a0d0e21e |
972 | svp = hv_fetch(action, "minkeypage", 10, FALSE); |
610ab055 |
973 | info->btree.minkeypage = svp ? SvIV(*svp) : 0; |
a0d0e21e |
974 | |
975 | svp = hv_fetch(action, "maxkeypage", 10, FALSE); |
610ab055 |
976 | info->btree.maxkeypage = svp ? SvIV(*svp) : 0; |
1f70e1ea |
977 | #endif |
a0d0e21e |
978 | |
979 | svp = hv_fetch(action, "psize", 5, FALSE); |
1f70e1ea |
980 | info->db_BT_psize = svp ? SvIV(*svp) : 0; |
a0d0e21e |
981 | |
982 | svp = hv_fetch(action, "lorder", 6, FALSE); |
1f70e1ea |
983 | info->db_BT_lorder = svp ? SvIV(*svp) : 0; |
a0d0e21e |
984 | |
985 | PrintBtree(info) ; |
986 | |
987 | } |
988 | else if (sv_isa(sv, "DB_File::RECNOINFO")) |
989 | { |
05475680 |
990 | if (isHASH) |
991 | croak("DB_File can only tie an array to a DB_RECNO database"); |
992 | |
8e07c86e |
993 | RETVAL->type = DB_RECNO ; |
610ab055 |
994 | openinfo = (void *)info ; |
a0d0e21e |
995 | |
1f70e1ea |
996 | info->db_RE_flags = 0 ; |
997 | |
a0d0e21e |
998 | svp = hv_fetch(action, "flags", 5, FALSE); |
1f70e1ea |
999 | info->db_RE_flags = (u_long) (svp ? SvIV(*svp) : 0); |
1000 | |
1001 | svp = hv_fetch(action, "reclen", 6, FALSE); |
1002 | info->db_RE_reclen = (size_t) (svp ? SvIV(*svp) : 0); |
a0d0e21e |
1003 | |
1004 | svp = hv_fetch(action, "cachesize", 9, FALSE); |
1f70e1ea |
1005 | info->db_RE_cachesize = (u_int) (svp ? SvIV(*svp) : 0); |
a0d0e21e |
1006 | |
1007 | svp = hv_fetch(action, "psize", 5, FALSE); |
1f70e1ea |
1008 | info->db_RE_psize = (u_int) (svp ? SvIV(*svp) : 0); |
a0d0e21e |
1009 | |
1010 | svp = hv_fetch(action, "lorder", 6, FALSE); |
1f70e1ea |
1011 | info->db_RE_lorder = (int) (svp ? SvIV(*svp) : 0); |
1012 | |
1013 | #ifdef DB_VERSION_MAJOR |
1014 | info->re_source = name ; |
1015 | name = NULL ; |
1016 | #endif |
1017 | svp = hv_fetch(action, "bfname", 6, FALSE); |
1018 | if (svp && SvOK(*svp)) { |
2d8e6c8d |
1019 | char * ptr = SvPV(*svp,n_a) ; |
1f70e1ea |
1020 | #ifdef DB_VERSION_MAJOR |
2d8e6c8d |
1021 | name = (char*) n_a ? ptr : NULL ; |
1f70e1ea |
1022 | #else |
2d8e6c8d |
1023 | info->db_RE_bfname = (char*) (n_a ? ptr : NULL) ; |
1f70e1ea |
1024 | #endif |
1025 | } |
1026 | else |
1027 | #ifdef DB_VERSION_MAJOR |
1028 | name = NULL ; |
1029 | #else |
1030 | info->db_RE_bfname = NULL ; |
1031 | #endif |
a0d0e21e |
1032 | |
1033 | svp = hv_fetch(action, "bval", 4, FALSE); |
1f70e1ea |
1034 | #ifdef DB_VERSION_MAJOR |
a0d0e21e |
1035 | if (svp && SvOK(*svp)) |
1036 | { |
1f70e1ea |
1037 | int value ; |
a0d0e21e |
1038 | if (SvPOK(*svp)) |
2d8e6c8d |
1039 | value = (int)*SvPV(*svp, n_a) ; |
a0d0e21e |
1040 | else |
1f70e1ea |
1041 | value = SvIV(*svp) ; |
1042 | |
1043 | if (info->flags & DB_FIXEDLEN) { |
1044 | info->re_pad = value ; |
1045 | info->flags |= DB_PAD ; |
1046 | } |
1047 | else { |
1048 | info->re_delim = value ; |
1049 | info->flags |= DB_DELIMITER ; |
1050 | } |
1051 | |
1052 | } |
1053 | #else |
1054 | if (svp && SvOK(*svp)) |
1055 | { |
1056 | if (SvPOK(*svp)) |
2d8e6c8d |
1057 | info->db_RE_bval = (u_char)*SvPV(*svp, n_a) ; |
1f70e1ea |
1058 | else |
1059 | info->db_RE_bval = (u_char)(unsigned long) SvIV(*svp) ; |
1060 | DB_flags(info->flags, DB_DELIMITER) ; |
1061 | |
a0d0e21e |
1062 | } |
1063 | else |
1064 | { |
1f70e1ea |
1065 | if (info->db_RE_flags & R_FIXEDLEN) |
1066 | info->db_RE_bval = (u_char) ' ' ; |
a0d0e21e |
1067 | else |
1f70e1ea |
1068 | info->db_RE_bval = (u_char) '\n' ; |
1069 | DB_flags(info->flags, DB_DELIMITER) ; |
a0d0e21e |
1070 | } |
1f70e1ea |
1071 | #endif |
a0d0e21e |
1072 | |
1f70e1ea |
1073 | #ifdef DB_RENUMBER |
1074 | info->flags |= DB_RENUMBER ; |
1075 | #endif |
1076 | |
a0d0e21e |
1077 | PrintRecno(info) ; |
1078 | } |
1079 | else |
1080 | croak("type is not of type DB_File::HASHINFO, DB_File::BTREEINFO or DB_File::RECNOINFO"); |
1081 | } |
1082 | |
1083 | |
88108326 |
1084 | /* OS2 Specific Code */ |
1085 | #ifdef OS2 |
1086 | #ifdef __EMX__ |
1087 | flags |= O_BINARY; |
1088 | #endif /* __EMX__ */ |
1089 | #endif /* OS2 */ |
a0d0e21e |
1090 | |
1f70e1ea |
1091 | #ifdef DB_VERSION_MAJOR |
1092 | |
1093 | { |
1094 | int Flags = 0 ; |
1095 | int status ; |
1096 | |
1097 | /* Map 1.x flags to 2.x flags */ |
1098 | if ((flags & O_CREAT) == O_CREAT) |
1099 | Flags |= DB_CREATE ; |
1100 | |
1f70e1ea |
1101 | #if O_RDONLY == 0 |
1102 | if (flags == O_RDONLY) |
1103 | #else |
20896112 |
1104 | if ((flags & O_RDONLY) == O_RDONLY && (flags & O_RDWR) != O_RDWR) |
1f70e1ea |
1105 | #endif |
1106 | Flags |= DB_RDONLY ; |
1107 | |
20896112 |
1108 | #ifdef O_TRUNC |
1f70e1ea |
1109 | if ((flags & O_TRUNC) == O_TRUNC) |
1110 | Flags |= DB_TRUNCATE ; |
1111 | #endif |
1112 | |
1113 | status = db_open(name, RETVAL->type, Flags, mode, NULL, openinfo, &RETVAL->dbp) ; |
1114 | if (status == 0) |
6ca2e664 |
1115 | #if DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR < 6 |
1f70e1ea |
1116 | status = (RETVAL->dbp->cursor)(RETVAL->dbp, NULL, &RETVAL->cursor) ; |
6ca2e664 |
1117 | #else |
1118 | status = (RETVAL->dbp->cursor)(RETVAL->dbp, NULL, &RETVAL->cursor, |
1119 | 0) ; |
1120 | #endif |
1f70e1ea |
1121 | |
1122 | if (status) |
1123 | RETVAL->dbp = NULL ; |
1124 | |
1125 | } |
1126 | #else |
ccb44e3b |
1127 | |
1128 | #if defined(DB_LIBRARY_COMPATIBILITY_API) && DB_VERSION_MAJOR > 2 |
1129 | RETVAL->dbp = __db185_open(name, flags, mode, RETVAL->type, openinfo) ; |
1130 | #else |
88108326 |
1131 | RETVAL->dbp = dbopen(name, flags, mode, RETVAL->type, openinfo) ; |
ccb44e3b |
1132 | #endif /* DB_LIBRARY_COMPATIBILITY_API */ |
1133 | |
1f70e1ea |
1134 | #endif |
a0d0e21e |
1135 | |
1136 | return (RETVAL) ; |
ccb44e3b |
1137 | |
1138 | #else /* Berkeley DB Version > 2 */ |
1139 | |
1140 | SV ** svp; |
1141 | HV * action ; |
1142 | DB_File RETVAL = (DB_File)safemalloc(sizeof(DB_File_type)) ; |
1143 | DB * dbp ; |
1144 | STRLEN n_a; |
1145 | int status ; |
df3728a2 |
1146 | dMY_CXT; |
ccb44e3b |
1147 | |
1148 | /* printf("In ParseOpenInfo name=[%s] flags=[%d] mode = [%d]\n", name, flags, mode) ; */ |
1149 | Zero(RETVAL, 1, DB_File_type) ; |
1150 | |
1151 | /* Default to HASH */ |
1152 | #ifdef DBM_FILTERING |
1153 | RETVAL->filtering = 0 ; |
1154 | RETVAL->filter_fetch_key = RETVAL->filter_store_key = |
1155 | RETVAL->filter_fetch_value = RETVAL->filter_store_value = |
1156 | #endif /* DBM_FILTERING */ |
1157 | RETVAL->hash = RETVAL->compare = RETVAL->prefix = NULL ; |
1158 | RETVAL->type = DB_HASH ; |
1159 | |
1160 | /* DGH - Next line added to avoid SEGV on existing hash DB */ |
1161 | CurrentDB = RETVAL; |
1162 | |
1163 | /* fd for 1.86 hash in memory files doesn't return -1 like 1.85 */ |
1164 | RETVAL->in_memory = (name == NULL) ; |
1165 | |
1166 | status = db_create(&RETVAL->dbp, NULL,0) ; |
1167 | /* printf("db_create returned %d %s\n", status, db_strerror(status)) ; */ |
1168 | if (status) { |
1169 | RETVAL->dbp = NULL ; |
1170 | return (RETVAL) ; |
1171 | } |
1172 | dbp = RETVAL->dbp ; |
1173 | |
1174 | if (sv) |
1175 | { |
1176 | if (! SvROK(sv) ) |
1177 | croak ("type parameter is not a reference") ; |
1178 | |
1179 | svp = hv_fetch( (HV*)SvRV(sv), "GOT", 3, FALSE) ; |
1180 | if (svp && SvOK(*svp)) |
1181 | action = (HV*) SvRV(*svp) ; |
1182 | else |
1183 | croak("internal error") ; |
1184 | |
1185 | if (sv_isa(sv, "DB_File::HASHINFO")) |
1186 | { |
1187 | |
1188 | if (!isHASH) |
1189 | croak("DB_File can only tie an associative array to a DB_HASH database") ; |
1190 | |
1191 | RETVAL->type = DB_HASH ; |
1192 | |
1193 | svp = hv_fetch(action, "hash", 4, FALSE); |
1194 | |
1195 | if (svp && SvOK(*svp)) |
1196 | { |
1197 | (void)dbp->set_h_hash(dbp, hash_cb) ; |
1198 | RETVAL->hash = newSVsv(*svp) ; |
1199 | } |
1200 | |
1201 | svp = hv_fetch(action, "ffactor", 7, FALSE); |
1202 | if (svp) |
c6c92ad9 |
1203 | (void)dbp->set_h_ffactor(dbp, my_SvUV32(*svp)) ; |
ccb44e3b |
1204 | |
1205 | svp = hv_fetch(action, "nelem", 5, FALSE); |
1206 | if (svp) |
c6c92ad9 |
1207 | (void)dbp->set_h_nelem(dbp, my_SvUV32(*svp)) ; |
ccb44e3b |
1208 | |
1209 | svp = hv_fetch(action, "bsize", 5, FALSE); |
1210 | if (svp) |
c6c92ad9 |
1211 | (void)dbp->set_pagesize(dbp, my_SvUV32(*svp)); |
ccb44e3b |
1212 | |
1213 | svp = hv_fetch(action, "cachesize", 9, FALSE); |
1214 | if (svp) |
c6c92ad9 |
1215 | (void)dbp->set_cachesize(dbp, 0, my_SvUV32(*svp), 0) ; |
ccb44e3b |
1216 | |
1217 | svp = hv_fetch(action, "lorder", 6, FALSE); |
1218 | if (svp) |
c6c92ad9 |
1219 | (void)dbp->set_lorder(dbp, (int)SvIV(*svp)) ; |
ccb44e3b |
1220 | |
1221 | PrintHash(info) ; |
1222 | } |
1223 | else if (sv_isa(sv, "DB_File::BTREEINFO")) |
1224 | { |
1225 | if (!isHASH) |
1226 | croak("DB_File can only tie an associative array to a DB_BTREE database"); |
1227 | |
1228 | RETVAL->type = DB_BTREE ; |
1229 | |
1230 | svp = hv_fetch(action, "compare", 7, FALSE); |
1231 | if (svp && SvOK(*svp)) |
1232 | { |
1233 | (void)dbp->set_bt_compare(dbp, btree_compare) ; |
1234 | RETVAL->compare = newSVsv(*svp) ; |
1235 | } |
1236 | |
1237 | svp = hv_fetch(action, "prefix", 6, FALSE); |
1238 | if (svp && SvOK(*svp)) |
1239 | { |
1240 | (void)dbp->set_bt_prefix(dbp, btree_prefix) ; |
1241 | RETVAL->prefix = newSVsv(*svp) ; |
1242 | } |
1243 | |
1244 | svp = hv_fetch(action, "flags", 5, FALSE); |
1245 | if (svp) |
c6c92ad9 |
1246 | (void)dbp->set_flags(dbp, my_SvUV32(*svp)) ; |
ccb44e3b |
1247 | |
1248 | svp = hv_fetch(action, "cachesize", 9, FALSE); |
1249 | if (svp) |
c6c92ad9 |
1250 | (void)dbp->set_cachesize(dbp, 0, my_SvUV32(*svp), 0) ; |
ccb44e3b |
1251 | |
1252 | svp = hv_fetch(action, "psize", 5, FALSE); |
1253 | if (svp) |
c6c92ad9 |
1254 | (void)dbp->set_pagesize(dbp, my_SvUV32(*svp)) ; |
ccb44e3b |
1255 | |
1256 | svp = hv_fetch(action, "lorder", 6, FALSE); |
1257 | if (svp) |
c6c92ad9 |
1258 | (void)dbp->set_lorder(dbp, (int)SvIV(*svp)) ; |
ccb44e3b |
1259 | |
1260 | PrintBtree(info) ; |
1261 | |
1262 | } |
1263 | else if (sv_isa(sv, "DB_File::RECNOINFO")) |
1264 | { |
1265 | int fixed = FALSE ; |
1266 | |
1267 | if (isHASH) |
1268 | croak("DB_File can only tie an array to a DB_RECNO database"); |
1269 | |
1270 | RETVAL->type = DB_RECNO ; |
1271 | |
1272 | svp = hv_fetch(action, "flags", 5, FALSE); |
1273 | if (svp) { |
1274 | int flags = SvIV(*svp) ; |
1275 | /* remove FIXDLEN, if present */ |
1276 | if (flags & DB_FIXEDLEN) { |
1277 | fixed = TRUE ; |
1278 | flags &= ~DB_FIXEDLEN ; |
1279 | } |
1280 | } |
1281 | |
1282 | svp = hv_fetch(action, "cachesize", 9, FALSE); |
1283 | if (svp) { |
c6c92ad9 |
1284 | status = dbp->set_cachesize(dbp, 0, my_SvUV32(*svp), 0) ; |
ccb44e3b |
1285 | } |
1286 | |
1287 | svp = hv_fetch(action, "psize", 5, FALSE); |
1288 | if (svp) { |
c6c92ad9 |
1289 | status = dbp->set_pagesize(dbp, my_SvUV32(*svp)) ; |
ccb44e3b |
1290 | } |
1291 | |
1292 | svp = hv_fetch(action, "lorder", 6, FALSE); |
1293 | if (svp) { |
c6c92ad9 |
1294 | status = dbp->set_lorder(dbp, (int)SvIV(*svp)) ; |
ccb44e3b |
1295 | } |
1296 | |
1297 | svp = hv_fetch(action, "bval", 4, FALSE); |
1298 | if (svp && SvOK(*svp)) |
1299 | { |
1300 | int value ; |
1301 | if (SvPOK(*svp)) |
1302 | value = (int)*SvPV(*svp, n_a) ; |
1303 | else |
c6c92ad9 |
1304 | value = (int)SvIV(*svp) ; |
ccb44e3b |
1305 | |
1306 | if (fixed) { |
1307 | status = dbp->set_re_pad(dbp, value) ; |
1308 | } |
1309 | else { |
1310 | status = dbp->set_re_delim(dbp, value) ; |
1311 | } |
1312 | |
1313 | } |
1314 | |
1315 | if (fixed) { |
1316 | svp = hv_fetch(action, "reclen", 6, FALSE); |
1317 | if (svp) { |
c6c92ad9 |
1318 | u_int32_t len = my_SvUV32(*svp) ; |
ccb44e3b |
1319 | status = dbp->set_re_len(dbp, len) ; |
1320 | } |
1321 | } |
1322 | |
1323 | if (name != NULL) { |
1324 | status = dbp->set_re_source(dbp, name) ; |
1325 | name = NULL ; |
1326 | } |
1327 | |
1328 | svp = hv_fetch(action, "bfname", 6, FALSE); |
1329 | if (svp && SvOK(*svp)) { |
1330 | char * ptr = SvPV(*svp,n_a) ; |
1331 | name = (char*) n_a ? ptr : NULL ; |
1332 | } |
1333 | else |
1334 | name = NULL ; |
1335 | |
1336 | |
c6c92ad9 |
1337 | status = dbp->set_flags(dbp, (u_int32_t)DB_RENUMBER) ; |
ccb44e3b |
1338 | |
1339 | if (flags){ |
c6c92ad9 |
1340 | (void)dbp->set_flags(dbp, (u_int32_t)flags) ; |
ccb44e3b |
1341 | } |
1342 | PrintRecno(info) ; |
1343 | } |
1344 | else |
1345 | croak("type is not of type DB_File::HASHINFO, DB_File::BTREEINFO or DB_File::RECNOINFO"); |
1346 | } |
1347 | |
1348 | { |
c6c92ad9 |
1349 | u_int32_t Flags = 0 ; |
ccb44e3b |
1350 | int status ; |
1351 | |
1352 | /* Map 1.x flags to 3.x flags */ |
1353 | if ((flags & O_CREAT) == O_CREAT) |
1354 | Flags |= DB_CREATE ; |
1355 | |
1356 | #if O_RDONLY == 0 |
1357 | if (flags == O_RDONLY) |
1358 | #else |
1359 | if ((flags & O_RDONLY) == O_RDONLY && (flags & O_RDWR) != O_RDWR) |
1360 | #endif |
1361 | Flags |= DB_RDONLY ; |
1362 | |
1363 | #ifdef O_TRUNC |
1364 | if ((flags & O_TRUNC) == O_TRUNC) |
1365 | Flags |= DB_TRUNCATE ; |
1366 | #endif |
1367 | |
3245f058 |
1368 | status = (RETVAL->dbp->open)(RETVAL->dbp, name, NULL, RETVAL->type, |
ccb44e3b |
1369 | Flags, mode) ; |
1370 | /* printf("open returned %d %s\n", status, db_strerror(status)) ; */ |
1371 | |
1372 | if (status == 0) |
1373 | status = (RETVAL->dbp->cursor)(RETVAL->dbp, NULL, &RETVAL->cursor, |
1374 | 0) ; |
1375 | /* printf("cursor returned %d %s\n", status, db_strerror(status)) ; */ |
1376 | |
1377 | if (status) |
1378 | RETVAL->dbp = NULL ; |
1379 | |
1380 | } |
1381 | |
1382 | return (RETVAL) ; |
1383 | |
1384 | #endif /* Berkeley DB Version > 2 */ |
1385 | |
1386 | } /* ParseOpenInfo */ |
a0d0e21e |
1387 | |
1388 | |
07200f1b |
1389 | #include "constants.h" |
a0d0e21e |
1390 | |
1391 | MODULE = DB_File PACKAGE = DB_File PREFIX = db_ |
1392 | |
07200f1b |
1393 | INCLUDE: constants.xs |
1394 | |
1f70e1ea |
1395 | BOOT: |
1396 | { |
df3728a2 |
1397 | MY_CXT_INIT; |
ccb44e3b |
1398 | __getBerkeleyDBInfo() ; |
1f70e1ea |
1399 | |
ccb44e3b |
1400 | DBT_clear(empty) ; |
1f70e1ea |
1401 | empty.data = &zero ; |
1402 | empty.size = sizeof(recno_t) ; |
1f70e1ea |
1403 | } |
1404 | |
a0d0e21e |
1405 | |
1406 | |
1407 | DB_File |
05475680 |
1408 | db_DoTie_(isHASH, dbtype, name=undef, flags=O_CREAT|O_RDWR, mode=0666, type=DB_HASH) |
1409 | int isHASH |
a0d0e21e |
1410 | char * dbtype |
1411 | int flags |
1412 | int mode |
1413 | CODE: |
1414 | { |
1415 | char * name = (char *) NULL ; |
1416 | SV * sv = (SV *) NULL ; |
2d8e6c8d |
1417 | STRLEN n_a; |
a0d0e21e |
1418 | |
05475680 |
1419 | if (items >= 3 && SvOK(ST(2))) |
2d8e6c8d |
1420 | name = (char*) SvPV(ST(2), n_a) ; |
a0d0e21e |
1421 | |
05475680 |
1422 | if (items == 6) |
1423 | sv = ST(5) ; |
a0d0e21e |
1424 | |
b76802f5 |
1425 | RETVAL = ParseOpenInfo(aTHX_ isHASH, name, flags, mode, sv) ; |
4633a7c4 |
1426 | if (RETVAL->dbp == NULL) |
1427 | RETVAL = NULL ; |
a0d0e21e |
1428 | } |
1429 | OUTPUT: |
1430 | RETVAL |
1431 | |
a0d0e21e |
1432 | int |
1433 | db_DESTROY(db) |
1434 | DB_File db |
df3728a2 |
1435 | PREINIT: |
1436 | dMY_CXT; |
8e07c86e |
1437 | INIT: |
1438 | CurrentDB = db ; |
1439 | CLEANUP: |
1440 | if (db->hash) |
1441 | SvREFCNT_dec(db->hash) ; |
1442 | if (db->compare) |
1443 | SvREFCNT_dec(db->compare) ; |
1444 | if (db->prefix) |
1445 | SvREFCNT_dec(db->prefix) ; |
9fe6733a |
1446 | #ifdef DBM_FILTERING |
1447 | if (db->filter_fetch_key) |
1448 | SvREFCNT_dec(db->filter_fetch_key) ; |
1449 | if (db->filter_store_key) |
1450 | SvREFCNT_dec(db->filter_store_key) ; |
1451 | if (db->filter_fetch_value) |
1452 | SvREFCNT_dec(db->filter_fetch_value) ; |
1453 | if (db->filter_store_value) |
1454 | SvREFCNT_dec(db->filter_store_value) ; |
1455 | #endif /* DBM_FILTERING */ |
eb99164f |
1456 | safefree(db) ; |
1f70e1ea |
1457 | #ifdef DB_VERSION_MAJOR |
1458 | if (RETVAL > 0) |
1459 | RETVAL = -1 ; |
1460 | #endif |
a0d0e21e |
1461 | |
1462 | |
1463 | int |
1464 | db_DELETE(db, key, flags=0) |
1465 | DB_File db |
1466 | DBTKEY key |
1467 | u_int flags |
df3728a2 |
1468 | PREINIT: |
1469 | dMY_CXT; |
8e07c86e |
1470 | INIT: |
1471 | CurrentDB = db ; |
a0d0e21e |
1472 | |
f6b705ef |
1473 | |
1474 | int |
1475 | db_EXISTS(db, key) |
1476 | DB_File db |
1477 | DBTKEY key |
df3728a2 |
1478 | PREINIT: |
1479 | dMY_CXT; |
f6b705ef |
1480 | CODE: |
1481 | { |
1482 | DBT value ; |
1483 | |
ccb44e3b |
1484 | DBT_clear(value) ; |
f6b705ef |
1485 | CurrentDB = db ; |
1f70e1ea |
1486 | RETVAL = (((db->dbp)->get)(db->dbp, TXN &key, &value, 0) == 0) ; |
f6b705ef |
1487 | } |
1488 | OUTPUT: |
1489 | RETVAL |
1490 | |
c6c619a9 |
1491 | void |
a0d0e21e |
1492 | db_FETCH(db, key, flags=0) |
1493 | DB_File db |
1494 | DBTKEY key |
1495 | u_int flags |
c6c619a9 |
1496 | PREINIT: |
07200f1b |
1497 | dMY_CXT ; |
1498 | int RETVAL ; |
a0d0e21e |
1499 | CODE: |
1500 | { |
1f70e1ea |
1501 | DBT value ; |
a0d0e21e |
1502 | |
ccb44e3b |
1503 | DBT_clear(value) ; |
8e07c86e |
1504 | CurrentDB = db ; |
1f70e1ea |
1505 | /* RETVAL = ((db->dbp)->get)(db->dbp, TXN &key, &value, flags) ; */ |
1506 | RETVAL = db_get(db, key, value, flags) ; |
a0d0e21e |
1507 | ST(0) = sv_newmortal(); |
a9fd575d |
1508 | OutputValue(ST(0), value) |
a0d0e21e |
1509 | } |
1510 | |
1511 | int |
1512 | db_STORE(db, key, value, flags=0) |
1513 | DB_File db |
1514 | DBTKEY key |
1515 | DBT value |
1516 | u_int flags |
df3728a2 |
1517 | PREINIT: |
1518 | dMY_CXT; |
8e07c86e |
1519 | INIT: |
1520 | CurrentDB = db ; |
a0d0e21e |
1521 | |
1522 | |
c6c619a9 |
1523 | void |
a0d0e21e |
1524 | db_FIRSTKEY(db) |
1525 | DB_File db |
c6c619a9 |
1526 | PREINIT: |
07200f1b |
1527 | dMY_CXT ; |
1528 | int RETVAL ; |
a0d0e21e |
1529 | CODE: |
1530 | { |
1f70e1ea |
1531 | DBTKEY key ; |
a0d0e21e |
1532 | DBT value ; |
1533 | |
ccb44e3b |
1534 | DBT_clear(key) ; |
1535 | DBT_clear(value) ; |
8e07c86e |
1536 | CurrentDB = db ; |
1f70e1ea |
1537 | RETVAL = do_SEQ(db, key, value, R_FIRST) ; |
a0d0e21e |
1538 | ST(0) = sv_newmortal(); |
a9fd575d |
1539 | OutputKey(ST(0), key) ; |
a0d0e21e |
1540 | } |
1541 | |
c6c619a9 |
1542 | void |
a0d0e21e |
1543 | db_NEXTKEY(db, key) |
1544 | DB_File db |
0bf2e707 |
1545 | DBTKEY key = NO_INIT |
c6c619a9 |
1546 | PREINIT: |
07200f1b |
1547 | dMY_CXT ; |
1548 | int RETVAL ; |
a0d0e21e |
1549 | CODE: |
1550 | { |
1551 | DBT value ; |
1552 | |
0bf2e707 |
1553 | DBT_clear(key) ; |
ccb44e3b |
1554 | DBT_clear(value) ; |
8e07c86e |
1555 | CurrentDB = db ; |
1f70e1ea |
1556 | RETVAL = do_SEQ(db, key, value, R_NEXT) ; |
a0d0e21e |
1557 | ST(0) = sv_newmortal(); |
a9fd575d |
1558 | OutputKey(ST(0), key) ; |
a0d0e21e |
1559 | } |
1560 | |
1561 | # |
1562 | # These would be nice for RECNO |
1563 | # |
1564 | |
1565 | int |
1566 | unshift(db, ...) |
1567 | DB_File db |
045291aa |
1568 | ALIAS: UNSHIFT = 1 |
df3728a2 |
1569 | PREINIT: |
1570 | dMY_CXT; |
a0d0e21e |
1571 | CODE: |
1572 | { |
1573 | DBTKEY key ; |
1574 | DBT value ; |
1575 | int i ; |
1576 | int One ; |
2d8e6c8d |
1577 | STRLEN n_a; |
a0d0e21e |
1578 | |
ccb44e3b |
1579 | DBT_clear(key) ; |
1580 | DBT_clear(value) ; |
8e07c86e |
1581 | CurrentDB = db ; |
1f70e1ea |
1582 | #ifdef DB_VERSION_MAJOR |
1583 | /* get the first value */ |
1584 | RETVAL = do_SEQ(db, key, value, DB_FIRST) ; |
1585 | RETVAL = 0 ; |
1586 | #else |
a0d0e21e |
1587 | RETVAL = -1 ; |
1f70e1ea |
1588 | #endif |
a0d0e21e |
1589 | for (i = items-1 ; i > 0 ; --i) |
1590 | { |
2d8e6c8d |
1591 | value.data = SvPV(ST(i), n_a) ; |
1592 | value.size = n_a ; |
a0d0e21e |
1593 | One = 1 ; |
1594 | key.data = &One ; |
1595 | key.size = sizeof(int) ; |
1f70e1ea |
1596 | #ifdef DB_VERSION_MAJOR |
1597 | RETVAL = (db->cursor->c_put)(db->cursor, &key, &value, DB_BEFORE) ; |
1598 | #else |
b7953727 |
1599 | RETVAL = (db->dbp->put)(db->dbp, &key, &value, R_IBEFORE) ; |
1f70e1ea |
1600 | #endif |
a0d0e21e |
1601 | if (RETVAL != 0) |
1602 | break; |
1603 | } |
1604 | } |
1605 | OUTPUT: |
1606 | RETVAL |
1607 | |
c6c619a9 |
1608 | void |
a0d0e21e |
1609 | pop(db) |
1610 | DB_File db |
df3728a2 |
1611 | PREINIT: |
1612 | dMY_CXT; |
045291aa |
1613 | ALIAS: POP = 1 |
c6c619a9 |
1614 | PREINIT: |
07200f1b |
1615 | I32 RETVAL; |
a0d0e21e |
1616 | CODE: |
1617 | { |
1618 | DBTKEY key ; |
1619 | DBT value ; |
1620 | |
ccb44e3b |
1621 | DBT_clear(key) ; |
1622 | DBT_clear(value) ; |
8e07c86e |
1623 | CurrentDB = db ; |
1f70e1ea |
1624 | |
a0d0e21e |
1625 | /* First get the final value */ |
1f70e1ea |
1626 | RETVAL = do_SEQ(db, key, value, R_LAST) ; |
a0d0e21e |
1627 | ST(0) = sv_newmortal(); |
1628 | /* Now delete it */ |
1629 | if (RETVAL == 0) |
1630 | { |
f6b705ef |
1631 | /* the call to del will trash value, so take a copy now */ |
a9fd575d |
1632 | OutputValue(ST(0), value) ; |
1f70e1ea |
1633 | RETVAL = db_del(db, key, R_CURSOR) ; |
f6b705ef |
1634 | if (RETVAL != 0) |
6b88bc9c |
1635 | sv_setsv(ST(0), &PL_sv_undef); |
a0d0e21e |
1636 | } |
1637 | } |
1638 | |
c6c619a9 |
1639 | void |
a0d0e21e |
1640 | shift(db) |
1641 | DB_File db |
df3728a2 |
1642 | PREINIT: |
1643 | dMY_CXT; |
045291aa |
1644 | ALIAS: SHIFT = 1 |
c6c619a9 |
1645 | PREINIT: |
07200f1b |
1646 | I32 RETVAL; |
a0d0e21e |
1647 | CODE: |
1648 | { |
a0d0e21e |
1649 | DBT value ; |
f6b705ef |
1650 | DBTKEY key ; |
a0d0e21e |
1651 | |
ccb44e3b |
1652 | DBT_clear(key) ; |
1653 | DBT_clear(value) ; |
8e07c86e |
1654 | CurrentDB = db ; |
a0d0e21e |
1655 | /* get the first value */ |
1f70e1ea |
1656 | RETVAL = do_SEQ(db, key, value, R_FIRST) ; |
a0d0e21e |
1657 | ST(0) = sv_newmortal(); |
1658 | /* Now delete it */ |
1659 | if (RETVAL == 0) |
1660 | { |
f6b705ef |
1661 | /* the call to del will trash value, so take a copy now */ |
a9fd575d |
1662 | OutputValue(ST(0), value) ; |
1f70e1ea |
1663 | RETVAL = db_del(db, key, R_CURSOR) ; |
f6b705ef |
1664 | if (RETVAL != 0) |
6b88bc9c |
1665 | sv_setsv (ST(0), &PL_sv_undef) ; |
a0d0e21e |
1666 | } |
1667 | } |
1668 | |
1669 | |
1670 | I32 |
1671 | push(db, ...) |
1672 | DB_File db |
df3728a2 |
1673 | PREINIT: |
1674 | dMY_CXT; |
045291aa |
1675 | ALIAS: PUSH = 1 |
a0d0e21e |
1676 | CODE: |
1677 | { |
1678 | DBTKEY key ; |
1679 | DBT value ; |
4633a7c4 |
1680 | DB * Db = db->dbp ; |
a0d0e21e |
1681 | int i ; |
2d8e6c8d |
1682 | STRLEN n_a; |
ccb44e3b |
1683 | int keyval ; |
a0d0e21e |
1684 | |
1f70e1ea |
1685 | DBT_flags(key) ; |
1686 | DBT_flags(value) ; |
8e07c86e |
1687 | CurrentDB = db ; |
ca63f0d2 |
1688 | /* Set the Cursor to the Last element */ |
1689 | RETVAL = do_SEQ(db, key, value, R_LAST) ; |
ccb44e3b |
1690 | #ifndef DB_VERSION_MAJOR |
ca63f0d2 |
1691 | if (RETVAL >= 0) |
ccb44e3b |
1692 | #endif |
ca63f0d2 |
1693 | { |
ccb44e3b |
1694 | if (RETVAL == 0) |
1695 | keyval = *(int*)key.data ; |
1696 | else |
1697 | keyval = 0 ; |
1698 | for (i = 1 ; i < items ; ++i) |
8e07c86e |
1699 | { |
2d8e6c8d |
1700 | value.data = SvPV(ST(i), n_a) ; |
1701 | value.size = n_a ; |
ccb44e3b |
1702 | ++ keyval ; |
1703 | key.data = &keyval ; |
1704 | key.size = sizeof(int) ; |
1705 | RETVAL = (Db->put)(Db, TXN &key, &value, 0) ; |
8e07c86e |
1706 | if (RETVAL != 0) |
1707 | break; |
1708 | } |
a0d0e21e |
1709 | } |
1710 | } |
1711 | OUTPUT: |
1712 | RETVAL |
1713 | |
a0d0e21e |
1714 | I32 |
1715 | length(db) |
1716 | DB_File db |
df3728a2 |
1717 | PREINIT: |
1718 | dMY_CXT; |
045291aa |
1719 | ALIAS: FETCHSIZE = 1 |
a0d0e21e |
1720 | CODE: |
8e07c86e |
1721 | CurrentDB = db ; |
b76802f5 |
1722 | RETVAL = GetArrayLength(aTHX_ db) ; |
a0d0e21e |
1723 | OUTPUT: |
1724 | RETVAL |
1725 | |
1726 | |
1727 | # |
1728 | # Now provide an interface to the rest of the DB functionality |
1729 | # |
1730 | |
1731 | int |
1732 | db_del(db, key, flags=0) |
1733 | DB_File db |
1734 | DBTKEY key |
1735 | u_int flags |
df3728a2 |
1736 | PREINIT: |
1737 | dMY_CXT; |
1f70e1ea |
1738 | CODE: |
8e07c86e |
1739 | CurrentDB = db ; |
1f70e1ea |
1740 | RETVAL = db_del(db, key, flags) ; |
1741 | #ifdef DB_VERSION_MAJOR |
1742 | if (RETVAL > 0) |
1743 | RETVAL = -1 ; |
1744 | else if (RETVAL == DB_NOTFOUND) |
1745 | RETVAL = 1 ; |
1746 | #endif |
1747 | OUTPUT: |
1748 | RETVAL |
a0d0e21e |
1749 | |
1750 | |
1751 | int |
1752 | db_get(db, key, value, flags=0) |
1753 | DB_File db |
1754 | DBTKEY key |
a6ed719b |
1755 | DBT value = NO_INIT |
a0d0e21e |
1756 | u_int flags |
df3728a2 |
1757 | PREINIT: |
1758 | dMY_CXT; |
1f70e1ea |
1759 | CODE: |
8e07c86e |
1760 | CurrentDB = db ; |
ccb44e3b |
1761 | DBT_clear(value) ; |
1f70e1ea |
1762 | RETVAL = db_get(db, key, value, flags) ; |
1763 | #ifdef DB_VERSION_MAJOR |
1764 | if (RETVAL > 0) |
1765 | RETVAL = -1 ; |
1766 | else if (RETVAL == DB_NOTFOUND) |
1767 | RETVAL = 1 ; |
1768 | #endif |
a0d0e21e |
1769 | OUTPUT: |
1f70e1ea |
1770 | RETVAL |
a0d0e21e |
1771 | value |
1772 | |
1773 | int |
1774 | db_put(db, key, value, flags=0) |
1775 | DB_File db |
1776 | DBTKEY key |
1777 | DBT value |
1778 | u_int flags |
df3728a2 |
1779 | PREINIT: |
1780 | dMY_CXT; |
1f70e1ea |
1781 | CODE: |
8e07c86e |
1782 | CurrentDB = db ; |
1f70e1ea |
1783 | RETVAL = db_put(db, key, value, flags) ; |
1784 | #ifdef DB_VERSION_MAJOR |
1785 | if (RETVAL > 0) |
1786 | RETVAL = -1 ; |
1787 | else if (RETVAL == DB_KEYEXIST) |
1788 | RETVAL = 1 ; |
1789 | #endif |
a0d0e21e |
1790 | OUTPUT: |
1f70e1ea |
1791 | RETVAL |
9d9477b1 |
1792 | key if (flagSet(flags, R_IAFTER) || flagSet(flags, R_IBEFORE)) OutputKey(ST(1), key); |
a0d0e21e |
1793 | |
1794 | int |
1795 | db_fd(db) |
1796 | DB_File db |
df3728a2 |
1797 | PREINIT: |
07200f1b |
1798 | dMY_CXT ; |
1f70e1ea |
1799 | CODE: |
8e07c86e |
1800 | CurrentDB = db ; |
1f70e1ea |
1801 | #ifdef DB_VERSION_MAJOR |
1802 | RETVAL = -1 ; |
497b47a8 |
1803 | { |
1804 | int status = 0 ; |
1805 | status = (db->in_memory |
1806 | ? -1 |
1807 | : ((db->dbp)->fd)(db->dbp, &RETVAL) ) ; |
1808 | if (status != 0) |
1809 | RETVAL = -1 ; |
1810 | } |
1f70e1ea |
1811 | #else |
1812 | RETVAL = (db->in_memory |
1813 | ? -1 |
1814 | : ((db->dbp)->fd)(db->dbp) ) ; |
1815 | #endif |
1816 | OUTPUT: |
1817 | RETVAL |
a0d0e21e |
1818 | |
1819 | int |
1820 | db_sync(db, flags=0) |
1821 | DB_File db |
1822 | u_int flags |
df3728a2 |
1823 | PREINIT: |
1824 | dMY_CXT; |
1f70e1ea |
1825 | CODE: |
8e07c86e |
1826 | CurrentDB = db ; |
1f70e1ea |
1827 | RETVAL = db_sync(db, flags) ; |
1828 | #ifdef DB_VERSION_MAJOR |
1829 | if (RETVAL > 0) |
1830 | RETVAL = -1 ; |
1831 | #endif |
1832 | OUTPUT: |
1833 | RETVAL |
a0d0e21e |
1834 | |
1835 | |
1836 | int |
1837 | db_seq(db, key, value, flags) |
1838 | DB_File db |
1839 | DBTKEY key |
a6ed719b |
1840 | DBT value = NO_INIT |
a0d0e21e |
1841 | u_int flags |
df3728a2 |
1842 | PREINIT: |
1843 | dMY_CXT; |
1f70e1ea |
1844 | CODE: |
8e07c86e |
1845 | CurrentDB = db ; |
ccb44e3b |
1846 | DBT_clear(value) ; |
1f70e1ea |
1847 | RETVAL = db_seq(db, key, value, flags); |
1848 | #ifdef DB_VERSION_MAJOR |
1849 | if (RETVAL > 0) |
1850 | RETVAL = -1 ; |
1851 | else if (RETVAL == DB_NOTFOUND) |
1852 | RETVAL = 1 ; |
1853 | #endif |
a0d0e21e |
1854 | OUTPUT: |
1f70e1ea |
1855 | RETVAL |
a0d0e21e |
1856 | key |
1857 | value |
610ab055 |
1858 | |
9fe6733a |
1859 | #ifdef DBM_FILTERING |
1860 | |
1861 | #define setFilter(type) \ |
1862 | { \ |
1863 | if (db->type) \ |
cad2e5aa |
1864 | RETVAL = sv_mortalcopy(db->type) ; \ |
1865 | ST(0) = RETVAL ; \ |
9fe6733a |
1866 | if (db->type && (code == &PL_sv_undef)) { \ |
1867 | SvREFCNT_dec(db->type) ; \ |
1868 | db->type = NULL ; \ |
1869 | } \ |
1870 | else if (code) { \ |
1871 | if (db->type) \ |
1872 | sv_setsv(db->type, code) ; \ |
1873 | else \ |
1874 | db->type = newSVsv(code) ; \ |
1875 | } \ |
1876 | } |
1877 | |
1878 | |
1879 | SV * |
1880 | filter_fetch_key(db, code) |
1881 | DB_File db |
1882 | SV * code |
1883 | SV * RETVAL = &PL_sv_undef ; |
1884 | CODE: |
1885 | setFilter(filter_fetch_key) ; |
9fe6733a |
1886 | |
1887 | SV * |
1888 | filter_store_key(db, code) |
1889 | DB_File db |
1890 | SV * code |
1891 | SV * RETVAL = &PL_sv_undef ; |
1892 | CODE: |
1893 | setFilter(filter_store_key) ; |
9fe6733a |
1894 | |
1895 | SV * |
1896 | filter_fetch_value(db, code) |
1897 | DB_File db |
1898 | SV * code |
1899 | SV * RETVAL = &PL_sv_undef ; |
1900 | CODE: |
1901 | setFilter(filter_fetch_value) ; |
9fe6733a |
1902 | |
1903 | SV * |
1904 | filter_store_value(db, code) |
1905 | DB_File db |
1906 | SV * code |
1907 | SV * RETVAL = &PL_sv_undef ; |
1908 | CODE: |
1909 | setFilter(filter_store_value) ; |
9fe6733a |
1910 | |
1911 | #endif /* DBM_FILTERING */ |