1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <ctype.h>
18 #include <stdio.h>
19
20 #include "apu_config.h"
21 #include "apu.h"
22
23 #include "apr_pools.h"
24 #include "apr_dso.h"
25 #include "apr_strings.h"
26 #include "apr_hash.h"
27 #include "apr_thread_mutex.h"
28 #include "apr_lib.h"
29 #include "apr_atomic.h"
30
31 #include "apu_internal.h"
32 #include "apr_dbd_internal.h"
33 #include "apr_dbd.h"
34 #include "apu_version.h"
35
36 static apr_hash_t *drivers = NULL;
37 static apr_uint32_t initialised = 0, in_init = 1;
38
39 #define CLEANUP_CAST (apr_status_t (*)(void*))
40
41 #if APR_HAS_THREADS
42 /* deprecated, but required for existing providers. Existing and new
43 * providers should be refactored to use a provider-specific mutex so
44 * that different providers do not block one another.
45 * In APR 1.3 this is no longer used for dso module loading, and
46 * apu_dso_mutex_[un]lock is used instead.
47 * In APR 2.0 this should become entirely local to libaprutil-2.so and
48 * no longer be exported.
49 */
50 static apr_thread_mutex_t* mutex = NULL;
apr_dbd_mutex_lock()51 APU_DECLARE(apr_status_t) apr_dbd_mutex_lock()
52 {
53 return apr_thread_mutex_lock(mutex);
54 }
apr_dbd_mutex_unlock()55 APU_DECLARE(apr_status_t) apr_dbd_mutex_unlock()
56 {
57 return apr_thread_mutex_unlock(mutex);
58 }
59 #else
apr_dbd_mutex_lock()60 APU_DECLARE(apr_status_t) apr_dbd_mutex_lock() {
61 return APR_SUCCESS;
62 }
apr_dbd_mutex_unlock()63 APU_DECLARE(apr_status_t) apr_dbd_mutex_unlock() {
64 return APR_SUCCESS;
65 }
66 #endif
67
68 #if !APU_DSO_BUILD
69 #define DRIVER_LOAD(name,driver,pool) \
70 { \
71 extern const apr_dbd_driver_t driver; \
72 apr_hash_set(drivers,name,APR_HASH_KEY_STRING,&driver); \
73 if (driver.init) { \
74 driver.init(pool); \
75 } \
76 }
77 #endif
78
apr_dbd_term(void * ptr)79 static apr_status_t apr_dbd_term(void *ptr)
80 {
81 /* set drivers to NULL so init can work again */
82 drivers = NULL;
83
84 /* Everything else we need is handled by cleanups registered
85 * when we created mutexes and loaded DSOs
86 */
87 return APR_SUCCESS;
88 }
89
apr_dbd_init(apr_pool_t * pool)90 APU_DECLARE(apr_status_t) apr_dbd_init(apr_pool_t *pool)
91 {
92 apr_status_t ret = APR_SUCCESS;
93 apr_pool_t *parent;
94
95 if (apr_atomic_inc32(&initialised)) {
96 apr_atomic_set32(&initialised, 1); /* prevent wrap-around */
97
98 while (apr_atomic_read32(&in_init)) /* wait until we get fully inited */
99 ;
100
101 return APR_SUCCESS;
102 }
103
104 /* Top level pool scope, need process-scope lifetime */
105 for (parent = apr_pool_parent_get(pool);
106 parent && parent != pool;
107 parent = apr_pool_parent_get(pool))
108 pool = parent;
109 #if APU_DSO_BUILD
110 /* deprecate in 2.0 - permit implicit initialization */
111 apu_dso_init(pool);
112 #endif
113
114 drivers = apr_hash_make(pool);
115
116 #if APR_HAS_THREADS
117 ret = apr_thread_mutex_create(&mutex, APR_THREAD_MUTEX_DEFAULT, pool);
118 /* This already registers a pool cleanup */
119 #endif
120
121 #if !APU_DSO_BUILD
122
123 /* Load statically-linked drivers: */
124 #if APU_HAVE_MYSQL
125 DRIVER_LOAD("mysql", apr_dbd_mysql_driver, pool);
126 #endif
127 #if APU_HAVE_PGSQL
128 DRIVER_LOAD("pgsql", apr_dbd_pgsql_driver, pool);
129 #endif
130 #if APU_HAVE_SQLITE3
131 DRIVER_LOAD("sqlite3", apr_dbd_sqlite3_driver, pool);
132 #endif
133 #if APU_HAVE_SQLITE2
134 DRIVER_LOAD("sqlite2", apr_dbd_sqlite2_driver, pool);
135 #endif
136 #if APU_HAVE_ORACLE
137 DRIVER_LOAD("oracle", apr_dbd_oracle_driver, pool);
138 #endif
139 #if APU_HAVE_ODBC
140 DRIVER_LOAD("odbc", apr_dbd_odbc_driver, pool);
141 #endif
142 #if APU_HAVE_SOME_OTHER_BACKEND
143 DRIVER_LOAD("firebird", apr_dbd_other_driver, pool);
144 #endif
145 #endif /* APU_DSO_BUILD */
146
147 apr_pool_cleanup_register(pool, NULL, apr_dbd_term,
148 apr_pool_cleanup_null);
149
150 apr_atomic_dec32(&in_init);
151
152 return ret;
153 }
154
apr_dbd_get_driver(apr_pool_t * pool,const char * name,const apr_dbd_driver_t ** driver)155 APU_DECLARE(apr_status_t) apr_dbd_get_driver(apr_pool_t *pool, const char *name,
156 const apr_dbd_driver_t **driver)
157 {
158 #if APU_DSO_BUILD
159 char modname[32];
160 char symname[34];
161 apr_dso_handle_sym_t symbol;
162 #endif
163 apr_status_t rv;
164
165 #if APU_DSO_BUILD
166 rv = apu_dso_mutex_lock();
167 if (rv) {
168 return rv;
169 }
170 #endif
171 *driver = apr_hash_get(drivers, name, APR_HASH_KEY_STRING);
172 if (*driver) {
173 #if APU_DSO_BUILD
174 apu_dso_mutex_unlock();
175 #endif
176 return APR_SUCCESS;
177 }
178
179 #if APU_DSO_BUILD
180 /* The driver DSO must have exactly the same lifetime as the
181 * drivers hash table; ignore the passed-in pool */
182 pool = apr_hash_pool_get(drivers);
183
184 #if defined(NETWARE)
185 apr_snprintf(modname, sizeof(modname), "dbd%s.nlm", name);
186 #elif defined(WIN32) || defined(__CYGWIN__)
187 apr_snprintf(modname, sizeof(modname),
188 "apr_dbd_%s-" APU_STRINGIFY(APU_MAJOR_VERSION) ".dll", name);
189 #else
190 apr_snprintf(modname, sizeof(modname),
191 "apr_dbd_%s-" APU_STRINGIFY(APU_MAJOR_VERSION) ".so", name);
192 #endif
193 apr_snprintf(symname, sizeof(symname), "apr_dbd_%s_driver", name);
194 rv = apu_dso_load(NULL, &symbol, modname, symname, pool);
195 if (rv == APR_SUCCESS || rv == APR_EINIT) { /* previously loaded?!? */
196 *driver = symbol;
197 name = apr_pstrdup(pool, name);
198 apr_hash_set(drivers, name, APR_HASH_KEY_STRING, *driver);
199 rv = APR_SUCCESS;
200 if ((*driver)->init) {
201 (*driver)->init(pool);
202 }
203 }
204 apu_dso_mutex_unlock();
205
206 #else /* not builtin and !APU_DSO_BUILD => not implemented */
207 rv = APR_ENOTIMPL;
208 #endif
209
210 return rv;
211 }
212
apr_dbd_open_ex(const apr_dbd_driver_t * driver,apr_pool_t * pool,const char * params,apr_dbd_t ** handle,const char ** error)213 APU_DECLARE(apr_status_t) apr_dbd_open_ex(const apr_dbd_driver_t *driver,
214 apr_pool_t *pool, const char *params,
215 apr_dbd_t **handle,
216 const char **error)
217 {
218 apr_status_t rv;
219 *handle = (driver->open)(pool, params, error);
220 if (*handle == NULL) {
221 return APR_EGENERAL;
222 }
223 rv = apr_dbd_check_conn(driver, pool, *handle);
224 if ((rv != APR_SUCCESS) && (rv != APR_ENOTIMPL)) {
225 /* XXX: rv is APR error code, but apr_dbd_error() takes int! */
226 if (error) {
227 *error = apr_dbd_error(driver, *handle, rv);
228 }
229 apr_dbd_close(driver, *handle);
230 return APR_EGENERAL;
231 }
232 return APR_SUCCESS;
233 }
234
apr_dbd_open(const apr_dbd_driver_t * driver,apr_pool_t * pool,const char * params,apr_dbd_t ** handle)235 APU_DECLARE(apr_status_t) apr_dbd_open(const apr_dbd_driver_t *driver,
236 apr_pool_t *pool, const char *params,
237 apr_dbd_t **handle)
238 {
239 return apr_dbd_open_ex(driver,pool,params,handle,NULL);
240 }
241
apr_dbd_transaction_start(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,apr_dbd_transaction_t ** trans)242 APU_DECLARE(int) apr_dbd_transaction_start(const apr_dbd_driver_t *driver,
243 apr_pool_t *pool, apr_dbd_t *handle,
244 apr_dbd_transaction_t **trans)
245 {
246 int ret = driver->start_transaction(pool, handle, trans);
247 if (*trans) {
248 apr_pool_cleanup_register(pool, *trans,
249 CLEANUP_CAST driver->end_transaction,
250 apr_pool_cleanup_null);
251 }
252 return ret;
253 }
254
apr_dbd_transaction_end(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_transaction_t * trans)255 APU_DECLARE(int) apr_dbd_transaction_end(const apr_dbd_driver_t *driver,
256 apr_pool_t *pool,
257 apr_dbd_transaction_t *trans)
258 {
259 apr_pool_cleanup_kill(pool, trans, CLEANUP_CAST driver->end_transaction);
260 return driver->end_transaction(trans);
261 }
262
apr_dbd_transaction_mode_get(const apr_dbd_driver_t * driver,apr_dbd_transaction_t * trans)263 APU_DECLARE(int) apr_dbd_transaction_mode_get(const apr_dbd_driver_t *driver,
264 apr_dbd_transaction_t *trans)
265 {
266 return driver->transaction_mode_get(trans);
267 }
268
apr_dbd_transaction_mode_set(const apr_dbd_driver_t * driver,apr_dbd_transaction_t * trans,int mode)269 APU_DECLARE(int) apr_dbd_transaction_mode_set(const apr_dbd_driver_t *driver,
270 apr_dbd_transaction_t *trans,
271 int mode)
272 {
273 return driver->transaction_mode_set(trans, mode);
274 }
275
apr_dbd_close(const apr_dbd_driver_t * driver,apr_dbd_t * handle)276 APU_DECLARE(apr_status_t) apr_dbd_close(const apr_dbd_driver_t *driver,
277 apr_dbd_t *handle)
278 {
279 return driver->close(handle);
280 }
281
apr_dbd_name(const apr_dbd_driver_t * driver)282 APU_DECLARE(const char*) apr_dbd_name(const apr_dbd_driver_t *driver)
283 {
284 return driver->name;
285 }
286
apr_dbd_native_handle(const apr_dbd_driver_t * driver,apr_dbd_t * handle)287 APU_DECLARE(void*) apr_dbd_native_handle(const apr_dbd_driver_t *driver,
288 apr_dbd_t *handle)
289 {
290 return driver->native_handle(handle);
291 }
292
apr_dbd_check_conn(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle)293 APU_DECLARE(int) apr_dbd_check_conn(const apr_dbd_driver_t *driver,
294 apr_pool_t *pool,
295 apr_dbd_t *handle)
296 {
297 return driver->check_conn(pool, handle);
298 }
299
apr_dbd_set_dbname(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,const char * name)300 APU_DECLARE(int) apr_dbd_set_dbname(const apr_dbd_driver_t *driver,
301 apr_pool_t *pool,
302 apr_dbd_t *handle, const char *name)
303 {
304 return driver->set_dbname(pool,handle,name);
305 }
306
apr_dbd_query(const apr_dbd_driver_t * driver,apr_dbd_t * handle,int * nrows,const char * statement)307 APU_DECLARE(int) apr_dbd_query(const apr_dbd_driver_t *driver,
308 apr_dbd_t *handle,
309 int *nrows, const char *statement)
310 {
311 return driver->query(handle,nrows,statement);
312 }
313
apr_dbd_select(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,apr_dbd_results_t ** res,const char * statement,int random)314 APU_DECLARE(int) apr_dbd_select(const apr_dbd_driver_t *driver,
315 apr_pool_t *pool,
316 apr_dbd_t *handle, apr_dbd_results_t **res,
317 const char *statement, int random)
318 {
319 return driver->select(pool,handle,res,statement,random);
320 }
321
apr_dbd_num_cols(const apr_dbd_driver_t * driver,apr_dbd_results_t * res)322 APU_DECLARE(int) apr_dbd_num_cols(const apr_dbd_driver_t *driver,
323 apr_dbd_results_t *res)
324 {
325 return driver->num_cols(res);
326 }
327
apr_dbd_num_tuples(const apr_dbd_driver_t * driver,apr_dbd_results_t * res)328 APU_DECLARE(int) apr_dbd_num_tuples(const apr_dbd_driver_t *driver,
329 apr_dbd_results_t *res)
330 {
331 return driver->num_tuples(res);
332 }
333
apr_dbd_get_row(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_results_t * res,apr_dbd_row_t ** row,int rownum)334 APU_DECLARE(int) apr_dbd_get_row(const apr_dbd_driver_t *driver,
335 apr_pool_t *pool,
336 apr_dbd_results_t *res, apr_dbd_row_t **row,
337 int rownum)
338 {
339 return driver->get_row(pool,res,row,rownum);
340 }
341
apr_dbd_get_entry(const apr_dbd_driver_t * driver,apr_dbd_row_t * row,int col)342 APU_DECLARE(const char*) apr_dbd_get_entry(const apr_dbd_driver_t *driver,
343 apr_dbd_row_t *row, int col)
344 {
345 return driver->get_entry(row,col);
346 }
347
apr_dbd_get_name(const apr_dbd_driver_t * driver,apr_dbd_results_t * res,int col)348 APU_DECLARE(const char*) apr_dbd_get_name(const apr_dbd_driver_t *driver,
349 apr_dbd_results_t *res, int col)
350 {
351 return driver->get_name(res,col);
352 }
353
apr_dbd_error(const apr_dbd_driver_t * driver,apr_dbd_t * handle,int errnum)354 APU_DECLARE(const char*) apr_dbd_error(const apr_dbd_driver_t *driver,
355 apr_dbd_t *handle, int errnum)
356 {
357 return driver->error(handle,errnum);
358 }
359
apr_dbd_escape(const apr_dbd_driver_t * driver,apr_pool_t * pool,const char * string,apr_dbd_t * handle)360 APU_DECLARE(const char*) apr_dbd_escape(const apr_dbd_driver_t *driver,
361 apr_pool_t *pool, const char *string,
362 apr_dbd_t *handle)
363 {
364 return driver->escape(pool,string,handle);
365 }
366
apr_dbd_prepare(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,const char * query,const char * label,apr_dbd_prepared_t ** statement)367 APU_DECLARE(int) apr_dbd_prepare(const apr_dbd_driver_t *driver,
368 apr_pool_t *pool,
369 apr_dbd_t *handle, const char *query,
370 const char *label,
371 apr_dbd_prepared_t **statement)
372 {
373 size_t qlen;
374 int i, nargs = 0, nvals = 0;
375 char *p, *pq;
376 const char *q;
377 apr_dbd_type_e *t;
378
379 if (!driver->pformat) {
380 return APR_ENOTIMPL;
381 }
382
383 /* find the number of parameters in the query */
384 for (q = query; *q; q++) {
385 if (q[0] == '%') {
386 if (apr_isalpha(q[1])) {
387 nargs++;
388 } else if (q[1] == '%') {
389 q++;
390 }
391 }
392 }
393 nvals = nargs;
394
395 qlen = strlen(query) +
396 nargs * (strlen(driver->pformat) + sizeof(nargs) * 3 + 2) + 1;
397 pq = apr_palloc(pool, qlen);
398 t = apr_pcalloc(pool, sizeof(*t) * nargs);
399
400 for (p = pq, q = query, i = 0; *q; q++) {
401 if (q[0] == '%') {
402 if (apr_isalpha(q[1])) {
403 switch (q[1]) {
404 case 'd': t[i] = APR_DBD_TYPE_INT; break;
405 case 'u': t[i] = APR_DBD_TYPE_UINT; break;
406 case 'f': t[i] = APR_DBD_TYPE_FLOAT; break;
407 case 'h':
408 switch (q[2]) {
409 case 'h':
410 switch (q[3]){
411 case 'd': t[i] = APR_DBD_TYPE_TINY; q += 2; break;
412 case 'u': t[i] = APR_DBD_TYPE_UTINY; q += 2; break;
413 }
414 break;
415 case 'd': t[i] = APR_DBD_TYPE_SHORT; q++; break;
416 case 'u': t[i] = APR_DBD_TYPE_USHORT; q++; break;
417 }
418 break;
419 case 'l':
420 switch (q[2]) {
421 case 'l':
422 switch (q[3]){
423 case 'd': t[i] = APR_DBD_TYPE_LONGLONG; q += 2; break;
424 case 'u': t[i] = APR_DBD_TYPE_ULONGLONG; q += 2; break;
425 }
426 break;
427 case 'd': t[i] = APR_DBD_TYPE_LONG; q++; break;
428 case 'u': t[i] = APR_DBD_TYPE_ULONG; q++; break;
429 case 'f': t[i] = APR_DBD_TYPE_DOUBLE; q++; break;
430 }
431 break;
432 case 'p':
433 if (q[2] == 'D') {
434 switch (q[3]) {
435 case 't': t[i] = APR_DBD_TYPE_TEXT; q += 2; break;
436 case 'i': t[i] = APR_DBD_TYPE_TIME; q += 2; break;
437 case 'd': t[i] = APR_DBD_TYPE_DATE; q += 2; break;
438 case 'a': t[i] = APR_DBD_TYPE_DATETIME; q += 2; break;
439 case 's': t[i] = APR_DBD_TYPE_TIMESTAMP; q += 2; break;
440 case 'z': t[i] = APR_DBD_TYPE_ZTIMESTAMP; q += 2; break;
441 case 'b': t[i] = APR_DBD_TYPE_BLOB; q += 2; break;
442 case 'c': t[i] = APR_DBD_TYPE_CLOB; q += 2; break;
443 case 'n': t[i] = APR_DBD_TYPE_NULL; q += 2; break;
444 }
445 }
446 break;
447 }
448 q++;
449
450 switch (t[i]) {
451 case APR_DBD_TYPE_NONE: /* by default, we expect strings */
452 t[i] = APR_DBD_TYPE_STRING;
453 break;
454 case APR_DBD_TYPE_BLOB:
455 case APR_DBD_TYPE_CLOB: /* three (3) more values passed in */
456 nvals += 3;
457 break;
458 default:
459 break;
460 }
461
462 /* insert database specific parameter reference */
463 p += apr_snprintf(p, qlen - (p - pq), driver->pformat, ++i);
464 } else if (q[1] == '%') { /* reduce %% to % */
465 *p++ = *q++;
466 } else {
467 *p++ = *q;
468 }
469 } else {
470 *p++ = *q;
471 }
472 }
473 *p = '\0';
474
475 return driver->prepare(pool,handle,pq,label,nargs,nvals,t,statement);
476 }
477
apr_dbd_pquery(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,int * nrows,apr_dbd_prepared_t * statement,int nargs,const char ** args)478 APU_DECLARE(int) apr_dbd_pquery(const apr_dbd_driver_t *driver,
479 apr_pool_t *pool,
480 apr_dbd_t *handle, int *nrows,
481 apr_dbd_prepared_t *statement,
482 int nargs, const char **args)
483 {
484 return driver->pquery(pool,handle,nrows,statement,args);
485 }
486
apr_dbd_pselect(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,apr_dbd_results_t ** res,apr_dbd_prepared_t * statement,int random,int nargs,const char ** args)487 APU_DECLARE(int) apr_dbd_pselect(const apr_dbd_driver_t *driver,
488 apr_pool_t *pool,
489 apr_dbd_t *handle, apr_dbd_results_t **res,
490 apr_dbd_prepared_t *statement, int random,
491 int nargs, const char **args)
492 {
493 return driver->pselect(pool,handle,res,statement,random,args);
494 }
495
apr_dbd_pvquery(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,int * nrows,apr_dbd_prepared_t * statement,...)496 APU_DECLARE_NONSTD(int) apr_dbd_pvquery(const apr_dbd_driver_t *driver,
497 apr_pool_t *pool,
498 apr_dbd_t *handle, int *nrows,
499 apr_dbd_prepared_t *statement, ...)
500 {
501 int ret;
502 va_list args;
503 va_start(args, statement);
504 ret = driver->pvquery(pool,handle,nrows,statement,args);
505 va_end(args);
506 return ret;
507 }
508
apr_dbd_pvselect(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,apr_dbd_results_t ** res,apr_dbd_prepared_t * statement,int random,...)509 APU_DECLARE_NONSTD(int) apr_dbd_pvselect(const apr_dbd_driver_t *driver,
510 apr_pool_t *pool, apr_dbd_t *handle,
511 apr_dbd_results_t **res,
512 apr_dbd_prepared_t *statement,
513 int random, ...)
514 {
515 int ret;
516 va_list args;
517 va_start(args, random);
518 ret = driver->pvselect(pool,handle,res,statement,random,args);
519 va_end(args);
520 return ret;
521 }
522
apr_dbd_pbquery(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,int * nrows,apr_dbd_prepared_t * statement,const void ** args)523 APU_DECLARE(int) apr_dbd_pbquery(const apr_dbd_driver_t *driver,
524 apr_pool_t *pool,
525 apr_dbd_t *handle, int *nrows,
526 apr_dbd_prepared_t *statement,
527 const void **args)
528 {
529 return driver->pbquery(pool,handle,nrows,statement,args);
530 }
531
apr_dbd_pbselect(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,apr_dbd_results_t ** res,apr_dbd_prepared_t * statement,int random,const void ** args)532 APU_DECLARE(int) apr_dbd_pbselect(const apr_dbd_driver_t *driver,
533 apr_pool_t *pool,
534 apr_dbd_t *handle, apr_dbd_results_t **res,
535 apr_dbd_prepared_t *statement, int random,
536 const void **args)
537 {
538 return driver->pbselect(pool,handle,res,statement,random,args);
539 }
540
apr_dbd_pvbquery(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,int * nrows,apr_dbd_prepared_t * statement,...)541 APU_DECLARE_NONSTD(int) apr_dbd_pvbquery(const apr_dbd_driver_t *driver,
542 apr_pool_t *pool,
543 apr_dbd_t *handle, int *nrows,
544 apr_dbd_prepared_t *statement, ...)
545 {
546 int ret;
547 va_list args;
548 va_start(args, statement);
549 ret = driver->pvbquery(pool,handle,nrows,statement,args);
550 va_end(args);
551 return ret;
552 }
553
apr_dbd_pvbselect(const apr_dbd_driver_t * driver,apr_pool_t * pool,apr_dbd_t * handle,apr_dbd_results_t ** res,apr_dbd_prepared_t * statement,int random,...)554 APU_DECLARE_NONSTD(int) apr_dbd_pvbselect(const apr_dbd_driver_t *driver,
555 apr_pool_t *pool, apr_dbd_t *handle,
556 apr_dbd_results_t **res,
557 apr_dbd_prepared_t *statement,
558 int random, ...)
559 {
560 int ret;
561 va_list args;
562 va_start(args, random);
563 ret = driver->pvbselect(pool,handle,res,statement,random,args);
564 va_end(args);
565 return ret;
566 }
567
apr_dbd_datum_get(const apr_dbd_driver_t * driver,apr_dbd_row_t * row,int col,apr_dbd_type_e type,void * data)568 APU_DECLARE(apr_status_t) apr_dbd_datum_get(const apr_dbd_driver_t *driver,
569 apr_dbd_row_t *row, int col,
570 apr_dbd_type_e type, void *data)
571 {
572 return driver->datum_get(row,col,type,data);
573 }
574