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1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
1.1.1.3 ! misho 5: | Copyright (c) 1997-2013 The PHP Group |
1.1 misho 6: +----------------------------------------------------------------------+
7: | This source file is subject to version 3.01 of the PHP license, |
8: | that is bundled with this package in the file LICENSE, and is |
9: | available through the world-wide-web at the following url: |
10: | http://www.php.net/license/3_01.txt |
11: | If you did not receive a copy of the PHP license and are unable to |
12: | obtain it through the world-wide-web, please send a note to |
13: | license@php.net so we can mail you a copy immediately. |
14: +----------------------------------------------------------------------+
15: | Authors: Sascha Schumann <sascha@schumann.cx> |
16: | Marcus Boerger <helly@php.net> |
17: +----------------------------------------------------------------------+
18: */
19:
1.1.1.2 misho 20: /* $Id$ */
1.1 misho 21:
22: #ifdef HAVE_CONFIG_H
23: #include "config.h"
24: #endif
25:
26: #include "php.h"
27:
28: #if HAVE_DBA
29:
30: #include "php_ini.h"
31: #include <stdio.h>
32: #include <fcntl.h>
33: #ifdef HAVE_SYS_FILE_H
34: #include <sys/file.h>
35: #endif
36:
37: #include "php_dba.h"
38: #include "ext/standard/info.h"
39: #include "ext/standard/php_string.h"
40: #include "ext/standard/flock_compat.h"
41:
42: #include "php_gdbm.h"
43: #include "php_ndbm.h"
44: #include "php_dbm.h"
45: #include "php_cdb.h"
46: #include "php_db1.h"
47: #include "php_db2.h"
48: #include "php_db3.h"
49: #include "php_db4.h"
50: #include "php_flatfile.h"
51: #include "php_inifile.h"
52: #include "php_qdbm.h"
1.1.1.2 misho 53: #include "php_tcadb.h"
1.1 misho 54:
55: /* {{{ arginfo */
56: ZEND_BEGIN_ARG_INFO_EX(arginfo_dba_popen, 0, 0, 2)
57: ZEND_ARG_INFO(0, path)
58: ZEND_ARG_INFO(0, mode)
59: ZEND_ARG_INFO(0, handlername)
60: ZEND_ARG_INFO(0, ...)
61: ZEND_END_ARG_INFO()
62:
63: ZEND_BEGIN_ARG_INFO_EX(arginfo_dba_open, 0, 0, 2)
64: ZEND_ARG_INFO(0, path)
65: ZEND_ARG_INFO(0, mode)
66: ZEND_ARG_INFO(0, handlername)
67: ZEND_ARG_INFO(0, ...)
68: ZEND_END_ARG_INFO()
69:
70: ZEND_BEGIN_ARG_INFO(arginfo_dba_close, 0)
71: ZEND_ARG_INFO(0, handle)
72: ZEND_END_ARG_INFO()
73:
74: ZEND_BEGIN_ARG_INFO(arginfo_dba_exists, 0)
75: ZEND_ARG_INFO(0, key)
76: ZEND_ARG_INFO(0, handle)
77: ZEND_END_ARG_INFO()
78:
79: ZEND_BEGIN_ARG_INFO_EX(arginfo_dba_fetch, 0, 0, 2)
80: ZEND_ARG_INFO(0, key)
81: ZEND_ARG_INFO(0, skip)
82: ZEND_ARG_INFO(0, handle)
83: ZEND_END_ARG_INFO()
84:
85: ZEND_BEGIN_ARG_INFO(arginfo_dba_key_split, 0)
86: ZEND_ARG_INFO(0, key)
87: ZEND_END_ARG_INFO()
88:
89: ZEND_BEGIN_ARG_INFO(arginfo_dba_firstkey, 0)
90: ZEND_ARG_INFO(0, handle)
91: ZEND_END_ARG_INFO()
92:
93: ZEND_BEGIN_ARG_INFO(arginfo_dba_nextkey, 0)
94: ZEND_ARG_INFO(0, handle)
95: ZEND_END_ARG_INFO()
96:
97: ZEND_BEGIN_ARG_INFO(arginfo_dba_delete, 0)
98: ZEND_ARG_INFO(0, key)
99: ZEND_ARG_INFO(0, handle)
100: ZEND_END_ARG_INFO()
101:
102: ZEND_BEGIN_ARG_INFO(arginfo_dba_insert, 0)
103: ZEND_ARG_INFO(0, key)
104: ZEND_ARG_INFO(0, value)
105: ZEND_ARG_INFO(0, handle)
106: ZEND_END_ARG_INFO()
107:
108: ZEND_BEGIN_ARG_INFO(arginfo_dba_replace, 0)
109: ZEND_ARG_INFO(0, key)
110: ZEND_ARG_INFO(0, value)
111: ZEND_ARG_INFO(0, handle)
112: ZEND_END_ARG_INFO()
113:
114: ZEND_BEGIN_ARG_INFO(arginfo_dba_optimize, 0)
115: ZEND_ARG_INFO(0, handle)
116: ZEND_END_ARG_INFO()
117:
118: ZEND_BEGIN_ARG_INFO(arginfo_dba_sync, 0)
119: ZEND_ARG_INFO(0, handle)
120: ZEND_END_ARG_INFO()
121:
122: ZEND_BEGIN_ARG_INFO_EX(arginfo_dba_handlers, 0, 0, 0)
123: ZEND_ARG_INFO(0, full_info)
124: ZEND_END_ARG_INFO()
125:
126: ZEND_BEGIN_ARG_INFO(arginfo_dba_list, 0)
127: ZEND_END_ARG_INFO()
128:
129: /* }}} */
130:
131: /* {{{ dba_functions[]
132: */
133: const zend_function_entry dba_functions[] = {
134: PHP_FE(dba_open, arginfo_dba_open)
135: PHP_FE(dba_popen, arginfo_dba_popen)
136: PHP_FE(dba_close, arginfo_dba_close)
137: PHP_FE(dba_delete, arginfo_dba_delete)
138: PHP_FE(dba_exists, arginfo_dba_exists)
139: PHP_FE(dba_fetch, arginfo_dba_fetch)
140: PHP_FE(dba_insert, arginfo_dba_insert)
141: PHP_FE(dba_replace, arginfo_dba_replace)
142: PHP_FE(dba_firstkey, arginfo_dba_firstkey)
143: PHP_FE(dba_nextkey, arginfo_dba_nextkey)
144: PHP_FE(dba_optimize, arginfo_dba_optimize)
145: PHP_FE(dba_sync, arginfo_dba_sync)
146: PHP_FE(dba_handlers, arginfo_dba_handlers)
147: PHP_FE(dba_list, arginfo_dba_list)
148: PHP_FE(dba_key_split, arginfo_dba_key_split)
149: PHP_FE_END
150: };
151: /* }}} */
152:
153: PHP_MINIT_FUNCTION(dba);
154: PHP_MSHUTDOWN_FUNCTION(dba);
155: PHP_MINFO_FUNCTION(dba);
156:
157: ZEND_BEGIN_MODULE_GLOBALS(dba)
158: char *default_handler;
159: dba_handler *default_hptr;
160: ZEND_END_MODULE_GLOBALS(dba)
161:
162: ZEND_DECLARE_MODULE_GLOBALS(dba)
163:
164: #ifdef ZTS
165: #define DBA_G(v) TSRMG(dba_globals_id, zend_dba_globals *, v)
166: #else
167: #define DBA_G(v) (dba_globals.v)
168: #endif
169:
170: static PHP_GINIT_FUNCTION(dba);
171:
172: zend_module_entry dba_module_entry = {
173: STANDARD_MODULE_HEADER,
174: "dba",
175: dba_functions,
176: PHP_MINIT(dba),
177: PHP_MSHUTDOWN(dba),
178: NULL,
179: NULL,
180: PHP_MINFO(dba),
181: NO_VERSION_YET,
182: PHP_MODULE_GLOBALS(dba),
183: PHP_GINIT(dba),
184: NULL,
185: NULL,
186: STANDARD_MODULE_PROPERTIES_EX
187: };
188:
189: #ifdef COMPILE_DL_DBA
190: ZEND_GET_MODULE(dba)
191: #endif
192:
193: /* {{{ macromania */
194:
195: #define DBA_ID_PARS \
196: zval *id; \
197: dba_info *info = NULL; \
198: int ac = ZEND_NUM_ARGS()
199:
200: /* these are used to get the standard arguments */
201:
202: /* {{{ php_dba_myke_key */
203: static size_t php_dba_make_key(zval *key, char **key_str, char **key_free TSRMLS_DC)
204: {
205: if (Z_TYPE_P(key) == IS_ARRAY) {
206: zval **group, **name;
207: HashPosition pos;
208: size_t len;
209:
210: if (zend_hash_num_elements(Z_ARRVAL_P(key)) != 2) {
211: php_error_docref(NULL TSRMLS_CC, E_RECOVERABLE_ERROR, "Key does not have exactly two elements: (key, name)");
212: return -1;
213: }
214: zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(key), &pos);
215: zend_hash_get_current_data_ex(Z_ARRVAL_P(key), (void **) &group, &pos);
216: zend_hash_move_forward_ex(Z_ARRVAL_P(key), &pos);
217: zend_hash_get_current_data_ex(Z_ARRVAL_P(key), (void **) &name, &pos);
218: convert_to_string_ex(group);
219: convert_to_string_ex(name);
220: if (Z_STRLEN_PP(group) == 0) {
221: *key_str = Z_STRVAL_PP(name);
222: *key_free = NULL;
223: return Z_STRLEN_PP(name);
224: }
225: len = spprintf(key_str, 0, "[%s]%s", Z_STRVAL_PP(group), Z_STRVAL_PP(name));
226: *key_free = *key_str;
227: return len;
228: } else {
229: *key_free = NULL;
230:
231: convert_to_string(key);
232: *key_str = Z_STRVAL_P(key);
233:
234: return Z_STRLEN_P(key);
235: }
236: }
237: /* }}} */
238:
239: #define DBA_GET2 \
240: zval *key; \
241: char *key_str, *key_free; \
242: size_t key_len; \
243: if (zend_parse_parameters(ac TSRMLS_CC, "zr", &key, &id) == FAILURE) { \
244: return; \
245: } \
246: if ((key_len = php_dba_make_key(key, &key_str, &key_free TSRMLS_CC)) == 0) {\
247: RETURN_FALSE; \
248: }
249:
250: #define DBA_GET2_3 \
251: zval *key; \
252: char *key_str, *key_free; \
253: size_t key_len; \
254: long skip = 0; \
255: switch(ac) { \
256: case 2: \
257: if (zend_parse_parameters(ac TSRMLS_CC, "zr", &key, &id) == FAILURE) { \
258: return; \
259: } \
260: break; \
261: case 3: \
262: if (zend_parse_parameters(ac TSRMLS_CC, "zlr", &key, &skip, &id) == FAILURE) { \
263: return; \
264: } \
265: break; \
266: default: \
267: WRONG_PARAM_COUNT; \
268: } \
269: if ((key_len = php_dba_make_key(key, &key_str, &key_free TSRMLS_CC)) == 0) {\
270: RETURN_FALSE; \
271: }
272:
273:
274: #define DBA_FETCH_RESOURCE(info, id) \
275: ZEND_FETCH_RESOURCE2(info, dba_info *, id, -1, "DBA identifier", le_db, le_pdb);
276:
277: #define DBA_ID_GET2 DBA_ID_PARS; DBA_GET2; DBA_FETCH_RESOURCE(info, &id)
278: #define DBA_ID_GET2_3 DBA_ID_PARS; DBA_GET2_3; DBA_FETCH_RESOURCE(info, &id)
279:
280: #define DBA_ID_DONE \
281: if (key_free) efree(key_free)
282: /* a DBA handler must have specific routines */
283:
284: #define DBA_NAMED_HND(alias, name, flags) \
285: {\
286: #alias, flags, dba_open_##name, dba_close_##name, dba_fetch_##name, dba_update_##name, \
287: dba_exists_##name, dba_delete_##name, dba_firstkey_##name, dba_nextkey_##name, \
288: dba_optimize_##name, dba_sync_##name, dba_info_##name \
289: },
290:
291: #define DBA_HND(name, flags) DBA_NAMED_HND(name, name, flags)
292:
293: /* check whether the user has write access */
294: #define DBA_WRITE_CHECK \
295: if(info->mode != DBA_WRITER && info->mode != DBA_TRUNC && info->mode != DBA_CREAT) { \
296: php_error_docref(NULL TSRMLS_CC, E_WARNING, "You cannot perform a modification to a database without proper access"); \
297: RETURN_FALSE; \
298: }
299:
300: /* }}} */
301:
302: /* {{{ globals */
303:
304: static dba_handler handler[] = {
305: #if DBA_GDBM
306: DBA_HND(gdbm, DBA_LOCK_EXT) /* Locking done in library if set */
307: #endif
308: #if DBA_DBM
309: DBA_HND(dbm, DBA_LOCK_ALL) /* No lock in lib */
310: #endif
311: #if DBA_NDBM
312: DBA_HND(ndbm, DBA_LOCK_ALL) /* Could be done in library: filemode = 0644 + S_ENFMT */
313: #endif
314: #if DBA_CDB
315: DBA_HND(cdb, DBA_STREAM_OPEN|DBA_LOCK_ALL) /* No lock in lib */
316: #endif
317: #if DBA_CDB_BUILTIN
318: DBA_NAMED_HND(cdb_make, cdb, DBA_STREAM_OPEN|DBA_LOCK_ALL) /* No lock in lib */
319: #endif
320: #if DBA_DB1
321: DBA_HND(db1, DBA_LOCK_ALL) /* No lock in lib */
322: #endif
323: #if DBA_DB2
324: DBA_HND(db2, DBA_LOCK_ALL) /* No lock in lib */
325: #endif
326: #if DBA_DB3
327: DBA_HND(db3, DBA_LOCK_ALL) /* No lock in lib */
328: #endif
329: #if DBA_DB4
330: DBA_HND(db4, DBA_LOCK_ALL) /* No lock in lib */
331: #endif
332: #if DBA_INIFILE
333: DBA_HND(inifile, DBA_STREAM_OPEN|DBA_LOCK_ALL|DBA_CAST_AS_FD) /* No lock in lib */
334: #endif
335: #if DBA_FLATFILE
336: DBA_HND(flatfile, DBA_STREAM_OPEN|DBA_LOCK_ALL|DBA_NO_APPEND) /* No lock in lib */
337: #endif
338: #if DBA_QDBM
339: DBA_HND(qdbm, DBA_LOCK_EXT)
340: #endif
1.1.1.2 misho 341: #if DBA_TCADB
342: DBA_HND(tcadb, DBA_LOCK_ALL)
343: #endif
1.1 misho 344: { NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
345: };
346:
347: #if DBA_FLATFILE
348: #define DBA_DEFAULT "flatfile"
349: #elif DBA_DB4
350: #define DBA_DEFAULT "db4"
351: #elif DBA_DB3
352: #define DBA_DEFAULT "db3"
353: #elif DBA_DB2
354: #define DBA_DEFAULT "db2"
355: #elif DBA_DB1
356: #define DBA_DEFAULT "db1"
357: #elif DBA_GDBM
358: #define DBA_DEFAULT "gdbm"
359: #elif DBA_NBBM
360: #define DBA_DEFAULT "ndbm"
361: #elif DBA_DBM
362: #define DBA_DEFAULT "dbm"
363: #elif DBA_QDBM
364: #define DBA_DEFAULT "qdbm"
1.1.1.2 misho 365: #elif DBA_TCADB
366: #define DBA_DEFAULT "tcadb"
1.1 misho 367: #else
368: #define DBA_DEFAULT ""
369: #endif
370: /* cdb/cdb_make and ini are no option here */
371:
372: static int le_db;
373: static int le_pdb;
374: /* }}} */
375:
376: /* {{{ dba_fetch_resource
377: PHPAPI void dba_fetch_resource(dba_info **pinfo, zval **id TSRMLS_DC)
378: {
379: dba_info *info;
380: DBA_ID_FETCH
381: *pinfo = info;
382: }
383: */
384: /* }}} */
385:
386: /* {{{ dba_get_handler
387: PHPAPI dba_handler *dba_get_handler(const char* handler_name)
388: {
389: dba_handler *hptr;
390: for (hptr = handler; hptr->name && strcasecmp(hptr->name, handler_name); hptr++);
391: return hptr;
392: }
393: */
394: /* }}} */
395:
396: /* {{{ dba_close
397: */
398: static void dba_close(dba_info *info TSRMLS_DC)
399: {
400: if (info->hnd) {
401: info->hnd->close(info TSRMLS_CC);
402: }
403: if (info->path) {
404: pefree(info->path, info->flags&DBA_PERSISTENT);
405: }
406: if (info->fp && info->fp!=info->lock.fp) {
407: if(info->flags&DBA_PERSISTENT) {
408: php_stream_pclose(info->fp);
409: } else {
410: php_stream_close(info->fp);
411: }
412: }
413: if (info->lock.fp) {
414: if(info->flags&DBA_PERSISTENT) {
415: php_stream_pclose(info->lock.fp);
416: } else {
417: php_stream_close(info->lock.fp);
418: }
419: }
420: if (info->lock.name) {
421: pefree(info->lock.name, info->flags&DBA_PERSISTENT);
422: }
423: pefree(info, info->flags&DBA_PERSISTENT);
424: }
425: /* }}} */
426:
427: /* {{{ dba_close_rsrc
428: */
429: static void dba_close_rsrc(zend_rsrc_list_entry *rsrc TSRMLS_DC)
430: {
431: dba_info *info = (dba_info *)rsrc->ptr;
432:
433: dba_close(info TSRMLS_CC);
434: }
435: /* }}} */
436:
437: /* {{{ dba_close_pe_rsrc_deleter */
438: int dba_close_pe_rsrc_deleter(zend_rsrc_list_entry *le, void *pDba TSRMLS_DC)
439: {
440: return le->ptr == pDba;
441: }
442: /* }}} */
443:
444: /* {{{ dba_close_pe_rsrc */
445: static void dba_close_pe_rsrc(zend_rsrc_list_entry *rsrc TSRMLS_DC)
446: {
447: dba_info *info = (dba_info *)rsrc->ptr;
448:
449: /* closes the resource by calling dba_close_rsrc() */
450: zend_hash_apply_with_argument(&EG(persistent_list), (apply_func_arg_t) dba_close_pe_rsrc_deleter, info TSRMLS_CC);
451: }
452: /* }}} */
453:
454: /* {{{ PHP_INI
455: */
456: ZEND_INI_MH(OnUpdateDefaultHandler)
457: {
458: dba_handler *hptr;
459:
460: if (!strlen(new_value)) {
461: DBA_G(default_hptr) = NULL;
462: return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
463: }
464:
465: for (hptr = handler; hptr->name && strcasecmp(hptr->name, new_value); hptr++);
466:
467: if (!hptr->name) {
468: php_error_docref(NULL TSRMLS_CC, E_WARNING, "No such handler: %s", new_value);
469: return FAILURE;
470: }
471: DBA_G(default_hptr) = hptr;
472: return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
473: }
474:
475: PHP_INI_BEGIN()
476: STD_PHP_INI_ENTRY("dba.default_handler", DBA_DEFAULT, PHP_INI_ALL, OnUpdateDefaultHandler, default_handler, zend_dba_globals, dba_globals)
477: PHP_INI_END()
478: /* }}} */
479:
480: /* {{{ PHP_GINIT_FUNCTION
481: */
482: static PHP_GINIT_FUNCTION(dba)
483: {
484: dba_globals->default_handler = "";
485: dba_globals->default_hptr = NULL;
486: }
487: /* }}} */
488:
489: /* {{{ PHP_MINIT_FUNCTION
490: */
491: PHP_MINIT_FUNCTION(dba)
492: {
493: REGISTER_INI_ENTRIES();
494: le_db = zend_register_list_destructors_ex(dba_close_rsrc, NULL, "dba", module_number);
495: le_pdb = zend_register_list_destructors_ex(dba_close_pe_rsrc, dba_close_rsrc, "dba persistent", module_number);
496: return SUCCESS;
497: }
498: /* }}} */
499:
500: /* {{{ PHP_MSHUTDOWN_FUNCTION
501: */
502: PHP_MSHUTDOWN_FUNCTION(dba)
503: {
504: UNREGISTER_INI_ENTRIES();
505: return SUCCESS;
506: }
507: /* }}} */
508:
509: #include "ext/standard/php_smart_str.h"
510:
511: /* {{{ PHP_MINFO_FUNCTION
512: */
513: PHP_MINFO_FUNCTION(dba)
514: {
515: dba_handler *hptr;
516: smart_str handlers = {0};
517:
518: for(hptr = handler; hptr->name; hptr++) {
519: smart_str_appends(&handlers, hptr->name);
520: smart_str_appendc(&handlers, ' ');
521: }
522:
523: php_info_print_table_start();
524: php_info_print_table_row(2, "DBA support", "enabled");
525: if (handlers.c) {
526: smart_str_0(&handlers);
527: php_info_print_table_row(2, "Supported handlers", handlers.c);
528: smart_str_free(&handlers);
529: } else {
530: php_info_print_table_row(2, "Supported handlers", "none");
531: }
532: php_info_print_table_end();
533: DISPLAY_INI_ENTRIES();
534: }
535: /* }}} */
536:
537: /* {{{ php_dba_update
538: */
539: static void php_dba_update(INTERNAL_FUNCTION_PARAMETERS, int mode)
540: {
541: char *v;
542: int val_len;
543: zval *id;
544: dba_info *info = NULL;
545: int ac = ZEND_NUM_ARGS();
546: zval *key;
547: char *val;
548: char *key_str, *key_free;
549: size_t key_len;
550:
551: if (zend_parse_parameters(ac TSRMLS_CC, "zsr", &key, &val, &val_len, &id) == FAILURE) {
552: return;
553: }
554:
555: if ((key_len = php_dba_make_key(key, &key_str, &key_free TSRMLS_CC)) == 0) {
556: RETURN_FALSE;
557: }
558:
559: DBA_FETCH_RESOURCE(info, &id);
560:
561: DBA_WRITE_CHECK;
562:
1.1.1.2 misho 563: if (info->hnd->update(info, key_str, key_len, val, val_len, mode TSRMLS_CC) == SUCCESS) {
564: DBA_ID_DONE;
565: RETURN_TRUE;
1.1 misho 566: }
567:
568: DBA_ID_DONE;
569: RETURN_FALSE;
570: }
571: /* }}} */
572:
573: #define FREENOW if(args) efree(args); if(key) efree(key)
574:
575: /* {{{ php_find_dbm
576: */
577: dba_info *php_dba_find(const char* path TSRMLS_DC)
578: {
579: zend_rsrc_list_entry *le;
580: dba_info *info;
581: int numitems, i;
582:
583: numitems = zend_hash_next_free_element(&EG(regular_list));
584: for (i=1; i<numitems; i++) {
585: if (zend_hash_index_find(&EG(regular_list), i, (void **) &le)==FAILURE) {
586: continue;
587: }
588: if (Z_TYPE_P(le) == le_db || Z_TYPE_P(le) == le_pdb) {
589: info = (dba_info *)(le->ptr);
590: if (!strcmp(info->path, path)) {
591: return (dba_info *)(le->ptr);
592: }
593: }
594: }
595:
596: return NULL;
597: }
598: /* }}} */
599:
600: /* {{{ php_dba_open
601: */
602: static void php_dba_open(INTERNAL_FUNCTION_PARAMETERS, int persistent)
603: {
604: zval ***args = (zval ***) NULL;
605: int ac = ZEND_NUM_ARGS();
606: dba_mode_t modenr;
607: dba_info *info, *other;
608: dba_handler *hptr;
609: char *key = NULL, *error = NULL;
610: int keylen = 0;
611: int i;
612: int lock_mode, lock_flag, lock_dbf = 0;
613: char *file_mode;
614: char mode[4], *pmode, *lock_file_mode = NULL;
615: int persistent_flag = persistent ? STREAM_OPEN_PERSISTENT : 0;
616: char *opened_path, *lock_name;
617:
618: if(ac < 2) {
619: WRONG_PARAM_COUNT;
620: }
621:
622: /* we pass additional args to the respective handler */
623: args = safe_emalloc(ac, sizeof(zval *), 0);
624: if (zend_get_parameters_array_ex(ac, args) != SUCCESS) {
625: FREENOW;
626: WRONG_PARAM_COUNT;
627: }
628:
629: /* we only take string arguments */
630: for (i = 0; i < ac; i++) {
631: convert_to_string_ex(args[i]);
632: keylen += Z_STRLEN_PP(args[i]);
633: }
634:
635: if (persistent) {
636: zend_rsrc_list_entry *le;
637:
638: /* calculate hash */
639: key = safe_emalloc(keylen, 1, 1);
640: key[keylen] = '\0';
641: keylen = 0;
642:
643: for(i = 0; i < ac; i++) {
644: memcpy(key+keylen, Z_STRVAL_PP(args[i]), Z_STRLEN_PP(args[i]));
645: keylen += Z_STRLEN_PP(args[i]);
646: }
647:
648: /* try to find if we already have this link in our persistent list */
649: if (zend_hash_find(&EG(persistent_list), key, keylen+1, (void **) &le) == SUCCESS) {
650: FREENOW;
651:
652: if (Z_TYPE_P(le) != le_pdb) {
653: RETURN_FALSE;
654: }
655:
656: info = (dba_info *)le->ptr;
657:
658: ZEND_REGISTER_RESOURCE(return_value, info, le_pdb);
659: return;
660: }
661: }
662:
663: if (ac==2) {
664: hptr = DBA_G(default_hptr);
665: if (!hptr) {
666: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "No default handler selected");
667: FREENOW;
668: RETURN_FALSE;
669: }
670: } else {
671: for (hptr = handler; hptr->name && strcasecmp(hptr->name, Z_STRVAL_PP(args[2])); hptr++);
672: }
673:
674: if (!hptr->name) {
675: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "No such handler: %s", Z_STRVAL_PP(args[2]));
676: FREENOW;
677: RETURN_FALSE;
678: }
679:
680: /* Check mode: [rwnc][fl]?t?
681: * r: Read
682: * w: Write
683: * n: Create/Truncate
684: * c: Create
685: *
686: * d: force lock on database file
687: * l: force lock on lck file
688: * -: ignore locking
689: *
690: * t: test open database, warning if locked
691: */
692: strlcpy(mode, Z_STRVAL_PP(args[1]), sizeof(mode));
693: pmode = &mode[0];
694: if (pmode[0] && (pmode[1]=='d' || pmode[1]=='l' || pmode[1]=='-')) { /* force lock on db file or lck file or disable locking */
695: switch (pmode[1]) {
696: case 'd':
697: lock_dbf = 1;
698: if ((hptr->flags & DBA_LOCK_ALL) == 0) {
699: lock_flag = (hptr->flags & DBA_LOCK_ALL);
700: break;
701: }
702: /* no break */
703: case 'l':
704: lock_flag = DBA_LOCK_ALL;
705: if ((hptr->flags & DBA_LOCK_ALL) == 0) {
706: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_NOTICE, "Handler %s does locking internally", hptr->name);
707: }
708: break;
709: default:
710: case '-':
711: if ((hptr->flags & DBA_LOCK_ALL) == 0) {
712: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "Locking cannot be disabled for handler %s", hptr->name);
713: FREENOW;
714: RETURN_FALSE;
715: }
716: lock_flag = 0;
717: break;
718: }
719: } else {
720: lock_flag = (hptr->flags&DBA_LOCK_ALL);
721: lock_dbf = 1;
722: }
723: switch (*pmode++) {
724: case 'r':
725: modenr = DBA_READER;
726: lock_mode = (lock_flag & DBA_LOCK_READER) ? LOCK_SH : 0;
727: file_mode = "r";
728: break;
729: case 'w':
730: modenr = DBA_WRITER;
731: lock_mode = (lock_flag & DBA_LOCK_WRITER) ? LOCK_EX : 0;
732: file_mode = "r+b";
733: break;
734: case 'c':
735: modenr = DBA_CREAT;
736: lock_mode = (lock_flag & DBA_LOCK_CREAT) ? LOCK_EX : 0;
737: if (lock_mode) {
738: if (lock_dbf) {
739: /* the create/append check will be done on the lock
740: * when the lib opens the file it is already created
741: */
742: file_mode = "r+b"; /* read & write, seek 0 */
743: lock_file_mode = "a+b"; /* append */
744: } else {
745: file_mode = "a+b"; /* append */
746: lock_file_mode = "w+b"; /* create/truncate */
747: }
748: } else {
749: file_mode = "a+b";
750: }
751: /* In case of the 'a+b' append mode, the handler is responsible
752: * to handle any rewind problems (see flatfile handler).
753: */
754: break;
755: case 'n':
756: modenr = DBA_TRUNC;
757: lock_mode = (lock_flag & DBA_LOCK_TRUNC) ? LOCK_EX : 0;
758: file_mode = "w+b";
759: break;
760: default:
761: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "Illegal DBA mode");
762: FREENOW;
763: RETURN_FALSE;
764: }
765: if (!lock_file_mode) {
766: lock_file_mode = file_mode;
767: }
768: if (*pmode=='d' || *pmode=='l' || *pmode=='-') {
769: pmode++; /* done already - skip here */
770: }
771: if (*pmode=='t') {
772: pmode++;
773: if (!lock_flag) {
774: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "You cannot combine modifiers - (no lock) and t (test lock)");
775: FREENOW;
776: RETURN_FALSE;
777: }
778: if (!lock_mode) {
779: if ((hptr->flags & DBA_LOCK_ALL) == 0) {
780: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "Handler %s uses its own locking which doesn't support mode modifier t (test lock)", hptr->name);
781: FREENOW;
782: RETURN_FALSE;
783: } else {
784: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "Handler %s doesn't uses locking for this mode which makes modifier t (test lock) obsolete", hptr->name);
785: FREENOW;
786: RETURN_FALSE;
787: }
788: } else {
789: lock_mode |= LOCK_NB; /* test =: non blocking */
790: }
791: }
792: if (*pmode) {
793: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "Illegal DBA mode");
794: FREENOW;
795: RETURN_FALSE;
796: }
797:
798: info = pemalloc(sizeof(dba_info), persistent);
799: memset(info, 0, sizeof(dba_info));
800: info->path = pestrdup(Z_STRVAL_PP(args[0]), persistent);
801: info->mode = modenr;
802: info->argc = ac - 3;
803: info->argv = args + 3;
804: info->flags = (hptr->flags & ~DBA_LOCK_ALL) | (lock_flag & DBA_LOCK_ALL) | (persistent ? DBA_PERSISTENT : 0);
805: info->lock.mode = lock_mode;
806:
807: /* if any open call is a locking call:
808: * check if we already habe a locking call open that should block this call
809: * the problem is some systems would allow read during write
810: */
811: if (hptr->flags & DBA_LOCK_ALL) {
812: if ((other = php_dba_find(info->path TSRMLS_CC)) != NULL) {
813: if ( ( (lock_mode&LOCK_EX) && (other->lock.mode&(LOCK_EX|LOCK_SH)) )
814: || ( (other->lock.mode&LOCK_EX) && (lock_mode&(LOCK_EX|LOCK_SH)) )
815: ) {
816: error = "Unable to establish lock (database file already open)"; /* force failure exit */
817: }
818: }
819: }
820:
821: if (!error && lock_mode) {
822: if (lock_dbf) {
823: lock_name = Z_STRVAL_PP(args[0]);
824: } else {
825: spprintf(&lock_name, 0, "%s.lck", info->path);
826: if (!strcmp(file_mode, "r")) {
827: /* when in read only mode try to use existing .lck file first */
828: /* do not log errors for .lck file while in read ony mode on .lck file */
829: lock_file_mode = "rb";
1.1.1.2 misho 830: info->lock.fp = php_stream_open_wrapper(lock_name, lock_file_mode, STREAM_MUST_SEEK|IGNORE_PATH|persistent_flag, &opened_path);
1.1 misho 831: }
832: if (!info->lock.fp) {
833: /* when not in read mode or failed to open .lck file read only. now try again in create(write) mode and log errors */
834: lock_file_mode = "a+b";
835: } else {
836: if (!persistent) {
837: info->lock.name = opened_path;
838: } else {
839: info->lock.name = pestrdup(opened_path, persistent);
840: efree(opened_path);
841: }
842: }
843: }
844: if (!info->lock.fp) {
1.1.1.2 misho 845: info->lock.fp = php_stream_open_wrapper(lock_name, lock_file_mode, STREAM_MUST_SEEK|REPORT_ERRORS|IGNORE_PATH|persistent_flag, &opened_path);
1.1 misho 846: if (info->lock.fp) {
847: if (lock_dbf) {
848: /* replace the path info with the real path of the opened file */
849: pefree(info->path, persistent);
850: info->path = pestrdup(opened_path, persistent);
851: }
852: /* now store the name of the lock */
853: if (!persistent) {
854: info->lock.name = opened_path;
855: } else {
856: info->lock.name = pestrdup(opened_path, persistent);
857: efree(opened_path);
858: }
859: }
860: }
861: if (!lock_dbf) {
862: efree(lock_name);
863: }
864: if (!info->lock.fp) {
865: dba_close(info TSRMLS_CC);
866: /* stream operation already wrote an error message */
867: FREENOW;
868: RETURN_FALSE;
869: }
870: if (!php_stream_supports_lock(info->lock.fp)) {
871: error = "Stream does not support locking";
872: }
873: if (php_stream_lock(info->lock.fp, lock_mode)) {
874: error = "Unable to establish lock"; /* force failure exit */
875: }
876: }
877:
878: /* centralised open stream for builtin */
879: if (!error && (hptr->flags&DBA_STREAM_OPEN)==DBA_STREAM_OPEN) {
880: if (info->lock.fp && lock_dbf) {
881: info->fp = info->lock.fp; /* use the same stream for locking and database access */
882: } else {
1.1.1.2 misho 883: info->fp = php_stream_open_wrapper(info->path, file_mode, STREAM_MUST_SEEK|REPORT_ERRORS|IGNORE_PATH|persistent_flag, NULL);
1.1 misho 884: }
885: if (!info->fp) {
886: dba_close(info TSRMLS_CC);
887: /* stream operation already wrote an error message */
888: FREENOW;
889: RETURN_FALSE;
890: }
891: if (hptr->flags & (DBA_NO_APPEND|DBA_CAST_AS_FD)) {
892: /* Needed becasue some systems do not allow to write to the original
893: * file contents with O_APPEND being set.
894: */
895: if (SUCCESS != php_stream_cast(info->fp, PHP_STREAM_AS_FD, (void*)&info->fd, 1)) {
896: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not cast stream");
897: dba_close(info TSRMLS_CC);
898: FREENOW;
899: RETURN_FALSE;
900: #ifdef F_SETFL
901: } else if (modenr == DBA_CREAT) {
902: int flags = fcntl(info->fd, F_SETFL);
903: fcntl(info->fd, F_SETFL, flags & ~O_APPEND);
904: #endif
905: }
906:
907: }
908: }
909:
910: if (error || hptr->open(info, &error TSRMLS_CC) != SUCCESS) {
911: dba_close(info TSRMLS_CC);
912: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "Driver initialization failed for handler: %s%s%s", hptr->name, error?": ":"", error?error:"");
913: FREENOW;
914: RETURN_FALSE;
915: }
916:
917: info->hnd = hptr;
918: info->argc = 0;
919: info->argv = NULL;
920:
921: if (persistent) {
922: zend_rsrc_list_entry new_le;
923:
924: Z_TYPE(new_le) = le_pdb;
925: new_le.ptr = info;
926: if (zend_hash_update(&EG(persistent_list), key, keylen+1, &new_le, sizeof(zend_rsrc_list_entry), NULL) == FAILURE) {
927: dba_close(info TSRMLS_CC);
928: php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(args[0]), Z_STRVAL_PP(args[1]), E_WARNING, "Could not register persistent resource");
929: FREENOW;
930: RETURN_FALSE;
931: }
932: }
933:
934: ZEND_REGISTER_RESOURCE(return_value, info, (persistent ? le_pdb : le_db));
935: FREENOW;
936: }
937: /* }}} */
938: #undef FREENOW
939:
940: /* {{{ proto resource dba_popen(string path, string mode [, string handlername, string ...])
941: Opens path using the specified handler in mode persistently */
942: PHP_FUNCTION(dba_popen)
943: {
944: php_dba_open(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
945: }
946: /* }}} */
947:
948: /* {{{ proto resource dba_open(string path, string mode [, string handlername, string ...])
949: Opens path using the specified handler in mode*/
950: PHP_FUNCTION(dba_open)
951: {
952: php_dba_open(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
953: }
954: /* }}} */
955:
956: /* {{{ proto void dba_close(resource handle)
957: Closes database */
958: PHP_FUNCTION(dba_close)
959: {
960: zval *id;
961: dba_info *info = NULL;
962:
963: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &id) == FAILURE) {
964: return;
965: }
966:
967: DBA_FETCH_RESOURCE(info, &id);
968:
969: zend_list_delete(Z_RESVAL_P(id));
970: }
971: /* }}} */
972:
973: /* {{{ proto bool dba_exists(string key, resource handle)
974: Checks, if the specified key exists */
975: PHP_FUNCTION(dba_exists)
976: {
977: DBA_ID_GET2;
978:
979: if(info->hnd->exists(info, key_str, key_len TSRMLS_CC) == SUCCESS) {
980: DBA_ID_DONE;
981: RETURN_TRUE;
982: }
983: DBA_ID_DONE;
984: RETURN_FALSE;
985: }
986: /* }}} */
987:
988: /* {{{ proto string dba_fetch(string key, [int skip ,] resource handle)
989: Fetches the data associated with key */
990: PHP_FUNCTION(dba_fetch)
991: {
992: char *val;
993: int len = 0;
994: DBA_ID_GET2_3;
995:
996: if (ac==3) {
997: if (!strcmp(info->hnd->name, "cdb")) {
998: if (skip < 0) {
999: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Handler %s accepts only skip values greater than or equal to zero, using skip=0", info->hnd->name);
1000: skip = 0;
1001: }
1002: } else if (!strcmp(info->hnd->name, "inifile")) {
1003: /* "-1" is compareable to 0 but allows a non restrictive
1004: * access which is fater. For example 'inifile' uses this
1005: * to allow faster access when the key was already found
1006: * using firstkey/nextkey. However explicitly setting the
1007: * value to 0 ensures the first value.
1008: */
1009: if (skip < -1) {
1010: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Handler %s accepts only skip value -1 and greater, using skip=0", info->hnd->name);
1011: skip = 0;
1012: }
1013: } else {
1014: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Handler %s does not support optional skip parameter, the value will be ignored", info->hnd->name);
1015: skip = 0;
1016: }
1017: } else {
1018: skip = 0;
1019: }
1020: if((val = info->hnd->fetch(info, key_str, key_len, skip, &len TSRMLS_CC)) != NULL) {
1021: DBA_ID_DONE;
1022: RETURN_STRINGL(val, len, 0);
1023: }
1024: DBA_ID_DONE;
1025: RETURN_FALSE;
1026: }
1027: /* }}} */
1028:
1029: /* {{{ proto array|false dba_key_split(string key)
1030: Splits an inifile key into an array of the form array(0=>group,1=>value_name) but returns false if input is false or null */
1031: PHP_FUNCTION(dba_key_split)
1032: {
1033: zval *zkey;
1034: char *key, *name;
1035: int key_len;
1036:
1037: if (ZEND_NUM_ARGS() != 1) {
1038: WRONG_PARAM_COUNT;
1039: }
1040: if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "z", &zkey) == SUCCESS) {
1041: if (Z_TYPE_P(zkey) == IS_NULL || (Z_TYPE_P(zkey) == IS_BOOL && !Z_LVAL_P(zkey))) {
1042: RETURN_BOOL(0);
1043: }
1044: }
1045: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &key, &key_len) == FAILURE) {
1046: RETURN_BOOL(0);
1047: }
1048: array_init(return_value);
1049: if (key[0] == '[' && (name = strchr(key, ']')) != NULL) {
1050: add_next_index_stringl(return_value, key+1, name - (key + 1), 1);
1051: add_next_index_stringl(return_value, name+1, key_len - (name - key + 1), 1);
1052: } else {
1053: add_next_index_stringl(return_value, "", 0, 1);
1054: add_next_index_stringl(return_value, key, key_len, 1);
1055: }
1056: }
1057: /* }}} */
1058:
1059: /* {{{ proto string dba_firstkey(resource handle)
1060: Resets the internal key pointer and returns the first key */
1061: PHP_FUNCTION(dba_firstkey)
1062: {
1063: char *fkey;
1064: int len;
1065: zval *id;
1066: dba_info *info = NULL;
1067:
1068: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &id) == FAILURE) {
1069: return;
1070: }
1071:
1072: DBA_FETCH_RESOURCE(info, &id);
1073:
1074: fkey = info->hnd->firstkey(info, &len TSRMLS_CC);
1075:
1076: if (fkey)
1077: RETURN_STRINGL(fkey, len, 0);
1078:
1079: RETURN_FALSE;
1080: }
1081: /* }}} */
1082:
1083: /* {{{ proto string dba_nextkey(resource handle)
1084: Returns the next key */
1085: PHP_FUNCTION(dba_nextkey)
1086: {
1087: char *nkey;
1088: int len;
1089: zval *id;
1090: dba_info *info = NULL;
1091:
1092: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &id) == FAILURE) {
1093: return;
1094: }
1095:
1096: DBA_FETCH_RESOURCE(info, &id);
1097:
1098: nkey = info->hnd->nextkey(info, &len TSRMLS_CC);
1099:
1100: if (nkey)
1101: RETURN_STRINGL(nkey, len, 0);
1102:
1103: RETURN_FALSE;
1104: }
1105: /* }}} */
1106:
1107: /* {{{ proto bool dba_delete(string key, resource handle)
1108: Deletes the entry associated with key
1109: If inifile: remove all other key lines */
1110: PHP_FUNCTION(dba_delete)
1111: {
1112: DBA_ID_GET2;
1113:
1114: DBA_WRITE_CHECK;
1115:
1116: if(info->hnd->delete(info, key_str, key_len TSRMLS_CC) == SUCCESS)
1117: {
1118: DBA_ID_DONE;
1119: RETURN_TRUE;
1120: }
1121: DBA_ID_DONE;
1122: RETURN_FALSE;
1123: }
1124: /* }}} */
1125:
1126: /* {{{ proto bool dba_insert(string key, string value, resource handle)
1127: If not inifile: Insert value as key, return false, if key exists already
1128: If inifile: Add vakue as key (next instance of key) */
1129: PHP_FUNCTION(dba_insert)
1130: {
1131: php_dba_update(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
1132: }
1133: /* }}} */
1134:
1135: /* {{{ proto bool dba_replace(string key, string value, resource handle)
1136: Inserts value as key, replaces key, if key exists already
1137: If inifile: remove all other key lines */
1138: PHP_FUNCTION(dba_replace)
1139: {
1140: php_dba_update(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
1141: }
1142: /* }}} */
1143:
1144: /* {{{ proto bool dba_optimize(resource handle)
1145: Optimizes (e.g. clean up, vacuum) database */
1146: PHP_FUNCTION(dba_optimize)
1147: {
1148: zval *id;
1149: dba_info *info = NULL;
1150:
1151: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &id) == FAILURE) {
1152: return;
1153: }
1154:
1155: DBA_FETCH_RESOURCE(info, &id);
1156:
1157: DBA_WRITE_CHECK;
1158:
1159: if (info->hnd->optimize(info TSRMLS_CC) == SUCCESS) {
1160: RETURN_TRUE;
1161: }
1162:
1163: RETURN_FALSE;
1164: }
1165: /* }}} */
1166:
1167: /* {{{ proto bool dba_sync(resource handle)
1168: Synchronizes database */
1169: PHP_FUNCTION(dba_sync)
1170: {
1171: zval *id;
1172: dba_info *info = NULL;
1173:
1174: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &id) == FAILURE) {
1175: return;
1176: }
1177:
1178: DBA_FETCH_RESOURCE(info, &id);
1179:
1180: if (info->hnd->sync(info TSRMLS_CC) == SUCCESS) {
1181: RETURN_TRUE;
1182: }
1183:
1184: RETURN_FALSE;
1185: }
1186: /* }}} */
1187:
1188: /* {{{ proto array dba_handlers([bool full_info])
1189: List configured database handlers */
1190: PHP_FUNCTION(dba_handlers)
1191: {
1192: dba_handler *hptr;
1193: zend_bool full_info = 0;
1194:
1195: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &full_info) == FAILURE) {
1196: RETURN_FALSE;
1197: }
1198:
1199: array_init(return_value);
1200:
1201: for(hptr = handler; hptr->name; hptr++) {
1202: if (full_info) {
1203: add_assoc_string(return_value, hptr->name, hptr->info(hptr, NULL TSRMLS_CC), 0);
1204: } else {
1205: add_next_index_string(return_value, hptr->name, 1);
1206: }
1207: }
1208: }
1209: /* }}} */
1210:
1211: /* {{{ proto array dba_list()
1212: List opened databases */
1213: PHP_FUNCTION(dba_list)
1214: {
1215: ulong numitems, i;
1216: zend_rsrc_list_entry *le;
1217: dba_info *info;
1218:
1219: if (zend_parse_parameters_none() == FAILURE) {
1220: RETURN_FALSE;
1221: }
1222:
1223: array_init(return_value);
1224:
1225: numitems = zend_hash_next_free_element(&EG(regular_list));
1226: for (i=1; i<numitems; i++) {
1227: if (zend_hash_index_find(&EG(regular_list), i, (void **) &le)==FAILURE) {
1228: continue;
1229: }
1230: if (Z_TYPE_P(le) == le_db || Z_TYPE_P(le) == le_pdb) {
1231: info = (dba_info *)(le->ptr);
1232: add_index_string(return_value, i, info->path, 1);
1233: }
1234: }
1235: }
1236: /* }}} */
1237:
1238: #endif /* HAVE_DBA */
1239:
1240: /*
1241: * Local variables:
1242: * tab-width: 4
1243: * c-basic-offset: 4
1244: * End:
1245: * vim600: sw=4 ts=4 fdm=marker
1246: * vim<600: sw=4 ts=4
1247: */