1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2018 The PHP Group |
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: Marcus Boerger <helly@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include "php.h"
26 #include "php_ini.h"
27 #include "php_main.h"
28 #include "ext/standard/info.h"
29 #include "php_spl.h"
30 #include "spl_functions.h"
31 #include "spl_engine.h"
32 #include "spl_array.h"
33 #include "spl_directory.h"
34 #include "spl_iterators.h"
35 #include "spl_exceptions.h"
36 #include "spl_observer.h"
37 #include "spl_dllist.h"
38 #include "spl_fixedarray.h"
39 #include "spl_heap.h"
40 #include "zend_exceptions.h"
41 #include "zend_interfaces.h"
42 #include "ext/standard/php_mt_rand.h"
43 #include "main/snprintf.h"
44
45 #ifdef COMPILE_DL_SPL
46 ZEND_GET_MODULE(spl)
47 #endif
48
ZEND_DECLARE_MODULE_GLOBALS(spl)49 ZEND_DECLARE_MODULE_GLOBALS(spl)
50
51 #define SPL_DEFAULT_FILE_EXTENSIONS ".inc,.php"
52
53 /* {{{ PHP_GINIT_FUNCTION
54 */
55 static PHP_GINIT_FUNCTION(spl)
56 {
57 spl_globals->autoload_extensions = NULL;
58 spl_globals->autoload_functions = NULL;
59 spl_globals->autoload_running = 0;
60 }
61 /* }}} */
62
spl_find_ce_by_name(zend_string * name,zend_bool autoload)63 static zend_class_entry * spl_find_ce_by_name(zend_string *name, zend_bool autoload)
64 {
65 zend_class_entry *ce;
66
67 if (!autoload) {
68 zend_string *lc_name = zend_string_alloc(ZSTR_LEN(name), 0);
69 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(name), ZSTR_LEN(name));
70
71 ce = zend_hash_find_ptr(EG(class_table), lc_name);
72 zend_string_free(lc_name);
73 } else {
74 ce = zend_lookup_class(name);
75 }
76 if (ce == NULL) {
77 php_error_docref(NULL, E_WARNING, "Class %s does not exist%s", ZSTR_VAL(name), autoload ? " and could not be loaded" : "");
78 return NULL;
79 }
80
81 return ce;
82 }
83
84 /* {{{ proto array class_parents(object instance [, boolean autoload = true])
85 Return an array containing the names of all parent classes */
PHP_FUNCTION(class_parents)86 PHP_FUNCTION(class_parents)
87 {
88 zval *obj;
89 zend_class_entry *parent_class, *ce;
90 zend_bool autoload = 1;
91
92 if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|b", &obj, &autoload) == FAILURE) {
93 RETURN_FALSE;
94 }
95
96 if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) {
97 php_error_docref(NULL, E_WARNING, "object or string expected");
98 RETURN_FALSE;
99 }
100
101 if (Z_TYPE_P(obj) == IS_STRING) {
102 if (NULL == (ce = spl_find_ce_by_name(Z_STR_P(obj), autoload))) {
103 RETURN_FALSE;
104 }
105 } else {
106 ce = Z_OBJCE_P(obj);
107 }
108
109 array_init(return_value);
110 parent_class = ce->parent;
111 while (parent_class) {
112 spl_add_class_name(return_value, parent_class, 0, 0);
113 parent_class = parent_class->parent;
114 }
115 }
116 /* }}} */
117
118 /* {{{ proto array class_implements(mixed what [, bool autoload ])
119 Return all classes and interfaces implemented by SPL */
PHP_FUNCTION(class_implements)120 PHP_FUNCTION(class_implements)
121 {
122 zval *obj;
123 zend_bool autoload = 1;
124 zend_class_entry *ce;
125
126 if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|b", &obj, &autoload) == FAILURE) {
127 RETURN_FALSE;
128 }
129 if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) {
130 php_error_docref(NULL, E_WARNING, "object or string expected");
131 RETURN_FALSE;
132 }
133
134 if (Z_TYPE_P(obj) == IS_STRING) {
135 if (NULL == (ce = spl_find_ce_by_name(Z_STR_P(obj), autoload))) {
136 RETURN_FALSE;
137 }
138 } else {
139 ce = Z_OBJCE_P(obj);
140 }
141
142 array_init(return_value);
143 spl_add_interfaces(return_value, ce, 1, ZEND_ACC_INTERFACE);
144 }
145 /* }}} */
146
147 /* {{{ proto array class_uses(mixed what [, bool autoload ])
148 Return all traits used by a class. */
PHP_FUNCTION(class_uses)149 PHP_FUNCTION(class_uses)
150 {
151 zval *obj;
152 zend_bool autoload = 1;
153 zend_class_entry *ce;
154
155 if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|b", &obj, &autoload) == FAILURE) {
156 RETURN_FALSE;
157 }
158 if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) {
159 php_error_docref(NULL, E_WARNING, "object or string expected");
160 RETURN_FALSE;
161 }
162
163 if (Z_TYPE_P(obj) == IS_STRING) {
164 if (NULL == (ce = spl_find_ce_by_name(Z_STR_P(obj), autoload))) {
165 RETURN_FALSE;
166 }
167 } else {
168 ce = Z_OBJCE_P(obj);
169 }
170
171 array_init(return_value);
172 spl_add_traits(return_value, ce, 1, ZEND_ACC_TRAIT);
173 }
174 /* }}} */
175
176 #define SPL_ADD_CLASS(class_name, z_list, sub, allow, ce_flags) \
177 spl_add_classes(spl_ce_ ## class_name, z_list, sub, allow, ce_flags)
178
179 #define SPL_LIST_CLASSES(z_list, sub, allow, ce_flags) \
180 SPL_ADD_CLASS(AppendIterator, z_list, sub, allow, ce_flags); \
181 SPL_ADD_CLASS(ArrayIterator, z_list, sub, allow, ce_flags); \
182 SPL_ADD_CLASS(ArrayObject, z_list, sub, allow, ce_flags); \
183 SPL_ADD_CLASS(BadFunctionCallException, z_list, sub, allow, ce_flags); \
184 SPL_ADD_CLASS(BadMethodCallException, z_list, sub, allow, ce_flags); \
185 SPL_ADD_CLASS(CachingIterator, z_list, sub, allow, ce_flags); \
186 SPL_ADD_CLASS(CallbackFilterIterator, z_list, sub, allow, ce_flags); \
187 SPL_ADD_CLASS(DirectoryIterator, z_list, sub, allow, ce_flags); \
188 SPL_ADD_CLASS(DomainException, z_list, sub, allow, ce_flags); \
189 SPL_ADD_CLASS(EmptyIterator, z_list, sub, allow, ce_flags); \
190 SPL_ADD_CLASS(FilesystemIterator, z_list, sub, allow, ce_flags); \
191 SPL_ADD_CLASS(FilterIterator, z_list, sub, allow, ce_flags); \
192 SPL_ADD_CLASS(GlobIterator, z_list, sub, allow, ce_flags); \
193 SPL_ADD_CLASS(InfiniteIterator, z_list, sub, allow, ce_flags); \
194 SPL_ADD_CLASS(InvalidArgumentException, z_list, sub, allow, ce_flags); \
195 SPL_ADD_CLASS(IteratorIterator, z_list, sub, allow, ce_flags); \
196 SPL_ADD_CLASS(LengthException, z_list, sub, allow, ce_flags); \
197 SPL_ADD_CLASS(LimitIterator, z_list, sub, allow, ce_flags); \
198 SPL_ADD_CLASS(LogicException, z_list, sub, allow, ce_flags); \
199 SPL_ADD_CLASS(MultipleIterator, z_list, sub, allow, ce_flags); \
200 SPL_ADD_CLASS(NoRewindIterator, z_list, sub, allow, ce_flags); \
201 SPL_ADD_CLASS(OuterIterator, z_list, sub, allow, ce_flags); \
202 SPL_ADD_CLASS(OutOfBoundsException, z_list, sub, allow, ce_flags); \
203 SPL_ADD_CLASS(OutOfRangeException, z_list, sub, allow, ce_flags); \
204 SPL_ADD_CLASS(OverflowException, z_list, sub, allow, ce_flags); \
205 SPL_ADD_CLASS(ParentIterator, z_list, sub, allow, ce_flags); \
206 SPL_ADD_CLASS(RangeException, z_list, sub, allow, ce_flags); \
207 SPL_ADD_CLASS(RecursiveArrayIterator, z_list, sub, allow, ce_flags); \
208 SPL_ADD_CLASS(RecursiveCachingIterator, z_list, sub, allow, ce_flags); \
209 SPL_ADD_CLASS(RecursiveCallbackFilterIterator, z_list, sub, allow, ce_flags); \
210 SPL_ADD_CLASS(RecursiveDirectoryIterator, z_list, sub, allow, ce_flags); \
211 SPL_ADD_CLASS(RecursiveFilterIterator, z_list, sub, allow, ce_flags); \
212 SPL_ADD_CLASS(RecursiveIterator, z_list, sub, allow, ce_flags); \
213 SPL_ADD_CLASS(RecursiveIteratorIterator, z_list, sub, allow, ce_flags); \
214 SPL_ADD_CLASS(RecursiveRegexIterator, z_list, sub, allow, ce_flags); \
215 SPL_ADD_CLASS(RecursiveTreeIterator, z_list, sub, allow, ce_flags); \
216 SPL_ADD_CLASS(RegexIterator, z_list, sub, allow, ce_flags); \
217 SPL_ADD_CLASS(RuntimeException, z_list, sub, allow, ce_flags); \
218 SPL_ADD_CLASS(SeekableIterator, z_list, sub, allow, ce_flags); \
219 SPL_ADD_CLASS(SplDoublyLinkedList, z_list, sub, allow, ce_flags); \
220 SPL_ADD_CLASS(SplFileInfo, z_list, sub, allow, ce_flags); \
221 SPL_ADD_CLASS(SplFileObject, z_list, sub, allow, ce_flags); \
222 SPL_ADD_CLASS(SplFixedArray, z_list, sub, allow, ce_flags); \
223 SPL_ADD_CLASS(SplHeap, z_list, sub, allow, ce_flags); \
224 SPL_ADD_CLASS(SplMinHeap, z_list, sub, allow, ce_flags); \
225 SPL_ADD_CLASS(SplMaxHeap, z_list, sub, allow, ce_flags); \
226 SPL_ADD_CLASS(SplObjectStorage, z_list, sub, allow, ce_flags); \
227 SPL_ADD_CLASS(SplObserver, z_list, sub, allow, ce_flags); \
228 SPL_ADD_CLASS(SplPriorityQueue, z_list, sub, allow, ce_flags); \
229 SPL_ADD_CLASS(SplQueue, z_list, sub, allow, ce_flags); \
230 SPL_ADD_CLASS(SplStack, z_list, sub, allow, ce_flags); \
231 SPL_ADD_CLASS(SplSubject, z_list, sub, allow, ce_flags); \
232 SPL_ADD_CLASS(SplTempFileObject, z_list, sub, allow, ce_flags); \
233 SPL_ADD_CLASS(UnderflowException, z_list, sub, allow, ce_flags); \
234 SPL_ADD_CLASS(UnexpectedValueException, z_list, sub, allow, ce_flags); \
235
236 /* {{{ proto array spl_classes()
237 Return an array containing the names of all clsses and interfaces defined in SPL */
PHP_FUNCTION(spl_classes)238 PHP_FUNCTION(spl_classes)
239 {
240 array_init(return_value);
241
242 SPL_LIST_CLASSES(return_value, 0, 0, 0)
243 }
244 /* }}} */
245
spl_autoload(zend_string * class_name,zend_string * lc_name,const char * ext,int ext_len)246 static int spl_autoload(zend_string *class_name, zend_string *lc_name, const char *ext, int ext_len) /* {{{ */
247 {
248 char *class_file;
249 int class_file_len;
250 zval dummy;
251 zend_file_handle file_handle;
252 zend_op_array *new_op_array;
253 zval result;
254 int ret;
255
256 class_file_len = (int)spprintf(&class_file, 0, "%s%.*s", ZSTR_VAL(lc_name), ext_len, ext);
257
258 #if DEFAULT_SLASH != '\\'
259 {
260 char *ptr = class_file;
261 char *end = ptr + class_file_len;
262
263 while ((ptr = memchr(ptr, '\\', (end - ptr))) != NULL) {
264 *ptr = DEFAULT_SLASH;
265 }
266 }
267 #endif
268
269 ret = php_stream_open_for_zend_ex(class_file, &file_handle, USE_PATH|STREAM_OPEN_FOR_INCLUDE);
270
271 if (ret == SUCCESS) {
272 zend_string *opened_path;
273 if (!file_handle.opened_path) {
274 file_handle.opened_path = zend_string_init(class_file, class_file_len, 0);
275 }
276 opened_path = zend_string_copy(file_handle.opened_path);
277 ZVAL_NULL(&dummy);
278 if (zend_hash_add(&EG(included_files), opened_path, &dummy)) {
279 new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE);
280 zend_destroy_file_handle(&file_handle);
281 } else {
282 new_op_array = NULL;
283 zend_file_handle_dtor(&file_handle);
284 }
285 zend_string_release(opened_path);
286 if (new_op_array) {
287 ZVAL_UNDEF(&result);
288 zend_execute(new_op_array, &result);
289
290 destroy_op_array(new_op_array);
291 efree(new_op_array);
292 if (!EG(exception)) {
293 zval_ptr_dtor(&result);
294 }
295
296 efree(class_file);
297 return zend_hash_exists(EG(class_table), lc_name);
298 }
299 }
300 efree(class_file);
301 return 0;
302 } /* }}} */
303
304 /* {{{ proto void spl_autoload(string class_name [, string file_extensions])
305 Default implementation for __autoload() */
PHP_FUNCTION(spl_autoload)306 PHP_FUNCTION(spl_autoload)
307 {
308 int pos_len, pos1_len;
309 char *pos, *pos1;
310 zend_string *class_name, *lc_name, *file_exts = SPL_G(autoload_extensions);
311
312 if (zend_parse_parameters(ZEND_NUM_ARGS(), "S|S", &class_name, &file_exts) == FAILURE) {
313 RETURN_FALSE;
314 }
315
316 if (file_exts == NULL) { /* autoload_extensions is not initialized, set to defaults */
317 pos = SPL_DEFAULT_FILE_EXTENSIONS;
318 pos_len = sizeof(SPL_DEFAULT_FILE_EXTENSIONS) - 1;
319 } else {
320 pos = ZSTR_VAL(file_exts);
321 pos_len = (int)ZSTR_LEN(file_exts);
322 }
323
324 lc_name = zend_string_alloc(ZSTR_LEN(class_name), 0);
325 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(class_name), ZSTR_LEN(class_name));
326 while (pos && *pos && !EG(exception)) {
327 pos1 = strchr(pos, ',');
328 if (pos1) {
329 pos1_len = (int)(pos1 - pos);
330 } else {
331 pos1_len = pos_len;
332 }
333 if (spl_autoload(class_name, lc_name, pos, pos1_len)) {
334 break; /* loaded */
335 }
336 pos = pos1 ? pos1 + 1 : NULL;
337 pos_len = pos1? pos_len - pos1_len - 1 : 0;
338 }
339 zend_string_free(lc_name);
340 } /* }}} */
341
342 /* {{{ proto string spl_autoload_extensions([string file_extensions])
343 Register and return default file extensions for spl_autoload */
PHP_FUNCTION(spl_autoload_extensions)344 PHP_FUNCTION(spl_autoload_extensions)
345 {
346 zend_string *file_exts = NULL;
347
348 if (zend_parse_parameters(ZEND_NUM_ARGS(), "|S", &file_exts) == FAILURE) {
349 return;
350 }
351 if (file_exts) {
352 if (SPL_G(autoload_extensions)) {
353 zend_string_release(SPL_G(autoload_extensions));
354 }
355 SPL_G(autoload_extensions) = zend_string_copy(file_exts);
356 }
357
358 if (SPL_G(autoload_extensions) == NULL) {
359 RETURN_STRINGL(SPL_DEFAULT_FILE_EXTENSIONS, sizeof(SPL_DEFAULT_FILE_EXTENSIONS) - 1);
360 } else {
361 zend_string_addref(SPL_G(autoload_extensions));
362 RETURN_STR(SPL_G(autoload_extensions));
363 }
364 } /* }}} */
365
366 typedef struct {
367 zend_function *func_ptr;
368 zval obj;
369 zval closure;
370 zend_class_entry *ce;
371 } autoload_func_info;
372
autoload_func_info_dtor(zval * element)373 static void autoload_func_info_dtor(zval *element)
374 {
375 autoload_func_info *alfi = (autoload_func_info*)Z_PTR_P(element);
376 if (!Z_ISUNDEF(alfi->obj)) {
377 zval_ptr_dtor(&alfi->obj);
378 }
379 if (alfi->func_ptr &&
380 UNEXPECTED(alfi->func_ptr->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
381 zend_string_release(alfi->func_ptr->common.function_name);
382 zend_free_trampoline(alfi->func_ptr);
383 }
384 if (!Z_ISUNDEF(alfi->closure)) {
385 zval_ptr_dtor(&alfi->closure);
386 }
387 efree(alfi);
388 }
389
390 /* {{{ proto void spl_autoload_call(string class_name)
391 Try all registerd autoload function to load the requested class */
PHP_FUNCTION(spl_autoload_call)392 PHP_FUNCTION(spl_autoload_call)
393 {
394 zval *class_name, retval;
395 zend_string *lc_name, *func_name;
396 autoload_func_info *alfi;
397
398 if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &class_name) == FAILURE || Z_TYPE_P(class_name) != IS_STRING) {
399 return;
400 }
401
402 if (SPL_G(autoload_functions)) {
403 HashPosition pos;
404 zend_ulong num_idx;
405 zend_function *func;
406 zend_fcall_info fci;
407 zend_fcall_info_cache fcic;
408 zend_class_entry *called_scope = zend_get_called_scope(execute_data);
409 int l_autoload_running = SPL_G(autoload_running);
410
411 SPL_G(autoload_running) = 1;
412 lc_name = zend_string_tolower(Z_STR_P(class_name));
413
414 fci.size = sizeof(fci);
415 fci.retval = &retval;
416 fci.param_count = 1;
417 fci.params = class_name;
418 fci.no_separation = 1;
419
420 ZVAL_UNDEF(&fci.function_name); /* Unused */
421 fcic.initialized = 1;
422
423 zend_hash_internal_pointer_reset_ex(SPL_G(autoload_functions), &pos);
424 while (zend_hash_get_current_key_ex(SPL_G(autoload_functions), &func_name, &num_idx, &pos) == HASH_KEY_IS_STRING) {
425 alfi = zend_hash_get_current_data_ptr_ex(SPL_G(autoload_functions), &pos);
426 func = alfi->func_ptr;
427 if (UNEXPECTED(func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
428 func = emalloc(sizeof(zend_op_array));
429 memcpy(func, alfi->func_ptr, sizeof(zend_op_array));
430 zend_string_addref(func->op_array.function_name);
431 }
432 ZVAL_UNDEF(&retval);
433 fcic.function_handler = func;
434 if (Z_ISUNDEF(alfi->obj)) {
435 fci.object = NULL;
436 fcic.object = NULL;
437 fcic.calling_scope = alfi->ce;
438 if (alfi->ce &&
439 (!called_scope ||
440 !instanceof_function(called_scope, alfi->ce))) {
441 fcic.called_scope = alfi->ce;
442 } else {
443 fcic.called_scope = called_scope;
444 }
445 } else {
446 fci.object = Z_OBJ(alfi->obj);
447 fcic.object = Z_OBJ(alfi->obj);
448 fcic.called_scope = Z_OBJCE(alfi->obj);
449 }
450
451 zend_call_function(&fci, &fcic);
452
453 zend_exception_save();
454 zval_ptr_dtor(&retval);
455 if (pos + 1 == SPL_G(autoload_functions)->nNumUsed ||
456 zend_hash_exists(EG(class_table), lc_name)) {
457 break;
458 }
459 zend_hash_move_forward_ex(SPL_G(autoload_functions), &pos);
460 }
461 zend_exception_restore();
462 zend_string_release(lc_name);
463 SPL_G(autoload_running) = l_autoload_running;
464 } else {
465 /* do not use or overwrite &EG(autoload_func) here */
466 zend_call_method_with_1_params(NULL, NULL, NULL, "spl_autoload", NULL, class_name);
467 }
468 } /* }}} */
469
470 #define HT_MOVE_TAIL_TO_HEAD(ht) \
471 do { \
472 Bucket tmp = (ht)->arData[(ht)->nNumUsed-1]; \
473 memmove((ht)->arData + 1, (ht)->arData, \
474 sizeof(Bucket) * ((ht)->nNumUsed - 1)); \
475 (ht)->arData[0] = tmp; \
476 zend_hash_rehash(ht); \
477 } while (0)
478
479 /* {{{ proto bool spl_autoload_register([mixed autoload_function [, bool throw [, bool prepend]]])
480 Register given function as __autoload() implementation */
PHP_FUNCTION(spl_autoload_register)481 PHP_FUNCTION(spl_autoload_register)
482 {
483 zend_string *func_name;
484 char *error = NULL;
485 zend_string *lc_name;
486 zval *zcallable = NULL;
487 zend_bool do_throw = 1;
488 zend_bool prepend = 0;
489 zend_function *spl_func_ptr;
490 autoload_func_info alfi;
491 zend_object *obj_ptr;
492 zend_fcall_info_cache fcc;
493
494 if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "|zbb", &zcallable, &do_throw, &prepend) == FAILURE) {
495 return;
496 }
497
498 if (ZEND_NUM_ARGS()) {
499 if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_STRICT, &func_name, &fcc, &error)) {
500 alfi.ce = fcc.calling_scope;
501 alfi.func_ptr = fcc.function_handler;
502 obj_ptr = fcc.object;
503 if (Z_TYPE_P(zcallable) == IS_ARRAY) {
504 if (!obj_ptr && alfi.func_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
505 if (do_throw) {
506 zend_throw_exception_ex(spl_ce_LogicException, 0, "Passed array specifies a non static method but no object (%s)", error);
507 }
508 if (error) {
509 efree(error);
510 }
511 zend_string_release(func_name);
512 RETURN_FALSE;
513 } else if (do_throw) {
514 zend_throw_exception_ex(spl_ce_LogicException, 0, "Passed array does not specify %s %smethod (%s)", alfi.func_ptr ? "a callable" : "an existing", !obj_ptr ? "static " : "", error);
515 }
516 if (error) {
517 efree(error);
518 }
519 zend_string_release(func_name);
520 RETURN_FALSE;
521 } else if (Z_TYPE_P(zcallable) == IS_STRING) {
522 if (do_throw) {
523 zend_throw_exception_ex(spl_ce_LogicException, 0, "Function '%s' not %s (%s)", ZSTR_VAL(func_name), alfi.func_ptr ? "callable" : "found", error);
524 }
525 if (error) {
526 efree(error);
527 }
528 zend_string_release(func_name);
529 RETURN_FALSE;
530 } else {
531 if (do_throw) {
532 zend_throw_exception_ex(spl_ce_LogicException, 0, "Illegal value passed (%s)", error);
533 }
534 if (error) {
535 efree(error);
536 }
537 zend_string_release(func_name);
538 RETURN_FALSE;
539 }
540 } else if (fcc.function_handler->type == ZEND_INTERNAL_FUNCTION &&
541 fcc.function_handler->internal_function.handler == zif_spl_autoload_call) {
542 if (do_throw) {
543 zend_throw_exception_ex(spl_ce_LogicException, 0, "Function spl_autoload_call() cannot be registered");
544 }
545 if (error) {
546 efree(error);
547 }
548 zend_string_release(func_name);
549 RETURN_FALSE;
550 }
551 alfi.ce = fcc.calling_scope;
552 alfi.func_ptr = fcc.function_handler;
553 obj_ptr = fcc.object;
554 if (error) {
555 efree(error);
556 }
557
558 if (Z_TYPE_P(zcallable) == IS_OBJECT) {
559 ZVAL_COPY(&alfi.closure, zcallable);
560
561 lc_name = zend_string_alloc(ZSTR_LEN(func_name) + sizeof(uint32_t), 0);
562 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
563 memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(func_name), &Z_OBJ_HANDLE_P(zcallable), sizeof(uint32_t));
564 ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
565 } else {
566 ZVAL_UNDEF(&alfi.closure);
567 /* Skip leading \ */
568 if (ZSTR_VAL(func_name)[0] == '\\') {
569 lc_name = zend_string_alloc(ZSTR_LEN(func_name) - 1, 0);
570 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name) + 1, ZSTR_LEN(func_name) - 1);
571 } else {
572 lc_name = zend_string_alloc(ZSTR_LEN(func_name), 0);
573 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
574 }
575 }
576 zend_string_release(func_name);
577
578 if (SPL_G(autoload_functions) && zend_hash_exists(SPL_G(autoload_functions), lc_name)) {
579 if (!Z_ISUNDEF(alfi.closure)) {
580 Z_DELREF_P(&alfi.closure);
581 }
582 goto skip;
583 }
584
585 if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
586 /* add object id to the hash to ensure uniqueness, for more reference look at bug #40091 */
587 lc_name = zend_string_extend(lc_name, ZSTR_LEN(lc_name) + sizeof(uint32_t), 0);
588 memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(lc_name) - sizeof(uint32_t), &obj_ptr->handle, sizeof(uint32_t));
589 ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
590 ZVAL_OBJ(&alfi.obj, obj_ptr);
591 Z_ADDREF(alfi.obj);
592 } else {
593 ZVAL_UNDEF(&alfi.obj);
594 }
595
596 if (!SPL_G(autoload_functions)) {
597 ALLOC_HASHTABLE(SPL_G(autoload_functions));
598 zend_hash_init(SPL_G(autoload_functions), 1, NULL, autoload_func_info_dtor, 0);
599 }
600
601 spl_func_ptr = zend_hash_str_find_ptr(EG(function_table), "spl_autoload", sizeof("spl_autoload") - 1);
602
603 if (EG(autoload_func) == spl_func_ptr) { /* registered already, so we insert that first */
604 autoload_func_info spl_alfi;
605
606 spl_alfi.func_ptr = spl_func_ptr;
607 ZVAL_UNDEF(&spl_alfi.obj);
608 ZVAL_UNDEF(&spl_alfi.closure);
609 spl_alfi.ce = NULL;
610 zend_hash_str_add_mem(SPL_G(autoload_functions), "spl_autoload", sizeof("spl_autoload") - 1,
611 &spl_alfi, sizeof(autoload_func_info));
612 if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) {
613 /* Move the newly created element to the head of the hashtable */
614 HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions));
615 }
616 }
617
618 if (UNEXPECTED(alfi.func_ptr == &EG(trampoline))) {
619 zend_function *copy = emalloc(sizeof(zend_op_array));
620
621 memcpy(copy, alfi.func_ptr, sizeof(zend_op_array));
622 alfi.func_ptr->common.function_name = NULL;
623 alfi.func_ptr = copy;
624 }
625 if (zend_hash_add_mem(SPL_G(autoload_functions), lc_name, &alfi, sizeof(autoload_func_info)) == NULL) {
626 if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
627 Z_DELREF(alfi.obj);
628 }
629 if (!Z_ISUNDEF(alfi.closure)) {
630 Z_DELREF(alfi.closure);
631 }
632 if (UNEXPECTED(alfi.func_ptr->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
633 zend_string_release(alfi.func_ptr->common.function_name);
634 zend_free_trampoline(alfi.func_ptr);
635 }
636 }
637 if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) {
638 /* Move the newly created element to the head of the hashtable */
639 HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions));
640 }
641 skip:
642 zend_string_release(lc_name);
643 }
644
645 if (SPL_G(autoload_functions)) {
646 EG(autoload_func) = zend_hash_str_find_ptr(EG(function_table), "spl_autoload_call", sizeof("spl_autoload_call") - 1);
647 } else {
648 EG(autoload_func) = zend_hash_str_find_ptr(EG(function_table), "spl_autoload", sizeof("spl_autoload") - 1);
649 }
650
651 RETURN_TRUE;
652 } /* }}} */
653
654 /* {{{ proto bool spl_autoload_unregister(mixed autoload_function)
655 Unregister given function as __autoload() implementation */
PHP_FUNCTION(spl_autoload_unregister)656 PHP_FUNCTION(spl_autoload_unregister)
657 {
658 zend_string *func_name = NULL;
659 char *error = NULL;
660 zend_string *lc_name;
661 zval *zcallable;
662 int success = FAILURE;
663 zend_function *spl_func_ptr;
664 zend_object *obj_ptr;
665 zend_fcall_info_cache fcc;
666
667 if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &zcallable) == FAILURE) {
668 return;
669 }
670
671 if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_CHECK_SYNTAX_ONLY, &func_name, &fcc, &error)) {
672 zend_throw_exception_ex(spl_ce_LogicException, 0, "Unable to unregister invalid function (%s)", error);
673 if (error) {
674 efree(error);
675 }
676 if (func_name) {
677 zend_string_release(func_name);
678 }
679 RETURN_FALSE;
680 }
681 obj_ptr = fcc.object;
682 if (error) {
683 efree(error);
684 }
685
686 if (Z_TYPE_P(zcallable) == IS_OBJECT) {
687 lc_name = zend_string_alloc(ZSTR_LEN(func_name) + sizeof(uint32_t), 0);
688 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
689 memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(func_name), &Z_OBJ_HANDLE_P(zcallable), sizeof(uint32_t));
690 ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
691 } else {
692 /* Skip leading \ */
693 if (ZSTR_VAL(func_name)[0] == '\\') {
694 lc_name = zend_string_alloc(ZSTR_LEN(func_name) - 1, 0);
695 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name) + 1, ZSTR_LEN(func_name) - 1);
696 } else {
697 lc_name = zend_string_alloc(ZSTR_LEN(func_name), 0);
698 zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
699 }
700 }
701 zend_string_release(func_name);
702
703 if (SPL_G(autoload_functions)) {
704 if (ZSTR_LEN(lc_name) == sizeof("spl_autoload_call") - 1 && !strcmp(ZSTR_VAL(lc_name), "spl_autoload_call")) {
705 /* remove all */
706 if (!SPL_G(autoload_running)) {
707 zend_hash_destroy(SPL_G(autoload_functions));
708 FREE_HASHTABLE(SPL_G(autoload_functions));
709 SPL_G(autoload_functions) = NULL;
710 EG(autoload_func) = NULL;
711 } else {
712 zend_hash_clean(SPL_G(autoload_functions));
713 }
714 success = SUCCESS;
715 } else {
716 /* remove specific */
717 success = zend_hash_del(SPL_G(autoload_functions), lc_name);
718 if (success != SUCCESS && obj_ptr) {
719 lc_name = zend_string_extend(lc_name, ZSTR_LEN(lc_name) + sizeof(uint32_t), 0);
720 memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(lc_name) - sizeof(uint32_t), &obj_ptr->handle, sizeof(uint32_t));
721 ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
722 success = zend_hash_del(SPL_G(autoload_functions), lc_name);
723 }
724 }
725 } else if (ZSTR_LEN(lc_name) == sizeof("spl_autoload")-1 && !strcmp(ZSTR_VAL(lc_name), "spl_autoload")) {
726 /* register single spl_autoload() */
727 spl_func_ptr = zend_hash_str_find_ptr(EG(function_table), "spl_autoload", sizeof("spl_autoload") - 1);
728
729 if (EG(autoload_func) == spl_func_ptr) {
730 success = SUCCESS;
731 EG(autoload_func) = NULL;
732 }
733 }
734
735 zend_string_release(lc_name);
736 RETURN_BOOL(success == SUCCESS);
737 } /* }}} */
738
739 /* {{{ proto false|array spl_autoload_functions()
740 Return all registered __autoload() functionns */
PHP_FUNCTION(spl_autoload_functions)741 PHP_FUNCTION(spl_autoload_functions)
742 {
743 zend_function *fptr;
744 autoload_func_info *alfi;
745
746 if (zend_parse_parameters_none() == FAILURE) {
747 return;
748 }
749
750 if (!EG(autoload_func)) {
751 if ((fptr = zend_hash_str_find_ptr(EG(function_table), ZEND_AUTOLOAD_FUNC_NAME, sizeof(ZEND_AUTOLOAD_FUNC_NAME) - 1))) {
752 array_init(return_value);
753 add_next_index_stringl(return_value, ZEND_AUTOLOAD_FUNC_NAME, sizeof(ZEND_AUTOLOAD_FUNC_NAME)-1);
754 return;
755 }
756 RETURN_FALSE;
757 }
758
759 fptr = zend_hash_str_find_ptr(EG(function_table), "spl_autoload_call", sizeof("spl_autoload_call") - 1);
760
761 if (EG(autoload_func) == fptr) {
762 zend_string *key;
763 array_init(return_value);
764 ZEND_HASH_FOREACH_STR_KEY_PTR(SPL_G(autoload_functions), key, alfi) {
765 if (!Z_ISUNDEF(alfi->closure)) {
766 Z_ADDREF(alfi->closure);
767 add_next_index_zval(return_value, &alfi->closure);
768 } else if (alfi->func_ptr->common.scope) {
769 zval tmp;
770
771 array_init(&tmp);
772 if (!Z_ISUNDEF(alfi->obj)) {
773 Z_ADDREF(alfi->obj);
774 add_next_index_zval(&tmp, &alfi->obj);
775 } else {
776 add_next_index_str(&tmp, zend_string_copy(alfi->ce->name));
777 }
778 add_next_index_str(&tmp, zend_string_copy(alfi->func_ptr->common.function_name));
779 add_next_index_zval(return_value, &tmp);
780 } else {
781 if (strncmp(ZSTR_VAL(alfi->func_ptr->common.function_name), "__lambda_func", sizeof("__lambda_func") - 1)) {
782 add_next_index_str(return_value, zend_string_copy(alfi->func_ptr->common.function_name));
783 } else {
784 add_next_index_str(return_value, zend_string_copy(key));
785 }
786 }
787 } ZEND_HASH_FOREACH_END();
788 return;
789 }
790
791 array_init(return_value);
792 add_next_index_str(return_value, zend_string_copy(EG(autoload_func)->common.function_name));
793 } /* }}} */
794
795 /* {{{ proto string spl_object_hash(object obj)
796 Return hash id for given object */
PHP_FUNCTION(spl_object_hash)797 PHP_FUNCTION(spl_object_hash)
798 {
799 zval *obj;
800
801 if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &obj) == FAILURE) {
802 return;
803 }
804
805 RETURN_NEW_STR(php_spl_object_hash(obj));
806 }
807 /* }}} */
808
809 /* {{{ proto int spl_object_id(object obj)
810 Returns the integer object handle for the given object */
PHP_FUNCTION(spl_object_id)811 PHP_FUNCTION(spl_object_id)
812 {
813 zval *obj;
814
815 ZEND_PARSE_PARAMETERS_START(1, 1)
816 Z_PARAM_OBJECT(obj)
817 ZEND_PARSE_PARAMETERS_END();
818
819 RETURN_LONG((zend_long)Z_OBJ_HANDLE_P(obj));
820 }
821 /* }}} */
822
php_spl_object_hash(zval * obj)823 PHPAPI zend_string *php_spl_object_hash(zval *obj) /* {{{*/
824 {
825 intptr_t hash_handle, hash_handlers;
826
827 if (!SPL_G(hash_mask_init)) {
828 SPL_G(hash_mask_handle) = (intptr_t)(php_mt_rand() >> 1);
829 SPL_G(hash_mask_handlers) = (intptr_t)(php_mt_rand() >> 1);
830 SPL_G(hash_mask_init) = 1;
831 }
832
833 hash_handle = SPL_G(hash_mask_handle)^(intptr_t)Z_OBJ_HANDLE_P(obj);
834 hash_handlers = SPL_G(hash_mask_handlers);
835
836 return strpprintf(32, "%016zx%016zx", hash_handle, hash_handlers);
837 }
838 /* }}} */
839
spl_build_class_list_string(zval * entry,char ** list)840 int spl_build_class_list_string(zval *entry, char **list) /* {{{ */
841 {
842 char *res;
843
844 spprintf(&res, 0, "%s, %s", *list, Z_STRVAL_P(entry));
845 efree(*list);
846 *list = res;
847 return ZEND_HASH_APPLY_KEEP;
848 } /* }}} */
849
850 /* {{{ PHP_MINFO(spl)
851 */
PHP_MINFO_FUNCTION(spl)852 PHP_MINFO_FUNCTION(spl)
853 {
854 zval list;
855 char *strg;
856
857 php_info_print_table_start();
858 php_info_print_table_header(2, "SPL support", "enabled");
859
860 array_init(&list);
861 SPL_LIST_CLASSES(&list, 0, 1, ZEND_ACC_INTERFACE)
862 strg = estrdup("");
863 zend_hash_apply_with_argument(Z_ARRVAL_P(&list), (apply_func_arg_t)spl_build_class_list_string, &strg);
864 zval_dtor(&list);
865 php_info_print_table_row(2, "Interfaces", strg + 2);
866 efree(strg);
867
868 array_init(&list);
869 SPL_LIST_CLASSES(&list, 0, -1, ZEND_ACC_INTERFACE)
870 strg = estrdup("");
871 zend_hash_apply_with_argument(Z_ARRVAL_P(&list), (apply_func_arg_t)spl_build_class_list_string, &strg);
872 zval_dtor(&list);
873 php_info_print_table_row(2, "Classes", strg + 2);
874 efree(strg);
875
876 php_info_print_table_end();
877 }
878 /* }}} */
879
880 /* {{{ arginfo */
881 ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_to_array, 0, 0, 1)
882 ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
883 ZEND_ARG_INFO(0, use_keys)
884 ZEND_END_ARG_INFO();
885
886 ZEND_BEGIN_ARG_INFO(arginfo_iterator, 0)
887 ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
888 ZEND_END_ARG_INFO();
889
890 ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_apply, 0, 0, 2)
891 ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
892 ZEND_ARG_INFO(0, function)
893 ZEND_ARG_ARRAY_INFO(0, args, 1)
894 ZEND_END_ARG_INFO();
895
896 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_parents, 0, 0, 1)
897 ZEND_ARG_INFO(0, instance)
898 ZEND_ARG_INFO(0, autoload)
899 ZEND_END_ARG_INFO()
900
901 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_implements, 0, 0, 1)
902 ZEND_ARG_INFO(0, what)
903 ZEND_ARG_INFO(0, autoload)
904 ZEND_END_ARG_INFO()
905
906 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_uses, 0, 0, 1)
907 ZEND_ARG_INFO(0, what)
908 ZEND_ARG_INFO(0, autoload)
909 ZEND_END_ARG_INFO()
910
911
912 ZEND_BEGIN_ARG_INFO(arginfo_spl_classes, 0)
913 ZEND_END_ARG_INFO()
914
915 ZEND_BEGIN_ARG_INFO(arginfo_spl_autoload_functions, 0)
916 ZEND_END_ARG_INFO()
917
918 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload, 0, 0, 1)
919 ZEND_ARG_INFO(0, class_name)
920 ZEND_ARG_INFO(0, file_extensions)
921 ZEND_END_ARG_INFO()
922
923 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_extensions, 0, 0, 0)
924 ZEND_ARG_INFO(0, file_extensions)
925 ZEND_END_ARG_INFO()
926
927 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_call, 0, 0, 1)
928 ZEND_ARG_INFO(0, class_name)
929 ZEND_END_ARG_INFO()
930
931 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_register, 0, 0, 0)
932 ZEND_ARG_INFO(0, autoload_function)
933 ZEND_ARG_INFO(0, throw)
934 ZEND_ARG_INFO(0, prepend)
935 ZEND_END_ARG_INFO()
936
937 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_unregister, 0, 0, 1)
938 ZEND_ARG_INFO(0, autoload_function)
939 ZEND_END_ARG_INFO()
940
941 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_object_hash, 0, 0, 1)
942 ZEND_ARG_INFO(0, obj)
943 ZEND_END_ARG_INFO()
944
945 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_object_id, 0, 0, 1)
946 ZEND_ARG_INFO(0, obj)
947 ZEND_END_ARG_INFO()
948 /* }}} */
949
950 /* {{{ spl_functions
951 */
952 const zend_function_entry spl_functions[] = {
953 PHP_FE(spl_classes, arginfo_spl_classes)
954 PHP_FE(spl_autoload, arginfo_spl_autoload)
955 PHP_FE(spl_autoload_extensions, arginfo_spl_autoload_extensions)
956 PHP_FE(spl_autoload_register, arginfo_spl_autoload_register)
957 PHP_FE(spl_autoload_unregister, arginfo_spl_autoload_unregister)
958 PHP_FE(spl_autoload_functions, arginfo_spl_autoload_functions)
959 PHP_FE(spl_autoload_call, arginfo_spl_autoload_call)
960 PHP_FE(class_parents, arginfo_class_parents)
961 PHP_FE(class_implements, arginfo_class_implements)
962 PHP_FE(class_uses, arginfo_class_uses)
963 PHP_FE(spl_object_hash, arginfo_spl_object_hash)
964 PHP_FE(spl_object_id, arginfo_spl_object_id)
965 #ifdef SPL_ITERATORS_H
966 PHP_FE(iterator_to_array, arginfo_iterator_to_array)
967 PHP_FE(iterator_count, arginfo_iterator)
968 PHP_FE(iterator_apply, arginfo_iterator_apply)
969 #endif /* SPL_ITERATORS_H */
970 PHP_FE_END
971 };
972 /* }}} */
973
974 /* {{{ PHP_MINIT_FUNCTION(spl)
975 */
PHP_MINIT_FUNCTION(spl)976 PHP_MINIT_FUNCTION(spl)
977 {
978 PHP_MINIT(spl_exceptions)(INIT_FUNC_ARGS_PASSTHRU);
979 PHP_MINIT(spl_iterators)(INIT_FUNC_ARGS_PASSTHRU);
980 PHP_MINIT(spl_array)(INIT_FUNC_ARGS_PASSTHRU);
981 PHP_MINIT(spl_directory)(INIT_FUNC_ARGS_PASSTHRU);
982 PHP_MINIT(spl_dllist)(INIT_FUNC_ARGS_PASSTHRU);
983 PHP_MINIT(spl_heap)(INIT_FUNC_ARGS_PASSTHRU);
984 PHP_MINIT(spl_fixedarray)(INIT_FUNC_ARGS_PASSTHRU);
985 PHP_MINIT(spl_observer)(INIT_FUNC_ARGS_PASSTHRU);
986
987 return SUCCESS;
988 }
989 /* }}} */
990
PHP_RINIT_FUNCTION(spl)991 PHP_RINIT_FUNCTION(spl) /* {{{ */
992 {
993 SPL_G(autoload_extensions) = NULL;
994 SPL_G(autoload_functions) = NULL;
995 SPL_G(hash_mask_init) = 0;
996 return SUCCESS;
997 } /* }}} */
998
PHP_RSHUTDOWN_FUNCTION(spl)999 PHP_RSHUTDOWN_FUNCTION(spl) /* {{{ */
1000 {
1001 if (SPL_G(autoload_extensions)) {
1002 zend_string_release(SPL_G(autoload_extensions));
1003 SPL_G(autoload_extensions) = NULL;
1004 }
1005 if (SPL_G(autoload_functions)) {
1006 zend_hash_destroy(SPL_G(autoload_functions));
1007 FREE_HASHTABLE(SPL_G(autoload_functions));
1008 SPL_G(autoload_functions) = NULL;
1009 }
1010 if (SPL_G(hash_mask_init)) {
1011 SPL_G(hash_mask_init) = 0;
1012 }
1013 return SUCCESS;
1014 } /* }}} */
1015
1016 /* {{{ spl_module_entry
1017 */
1018 zend_module_entry spl_module_entry = {
1019 STANDARD_MODULE_HEADER,
1020 "SPL",
1021 spl_functions,
1022 PHP_MINIT(spl),
1023 NULL,
1024 PHP_RINIT(spl),
1025 PHP_RSHUTDOWN(spl),
1026 PHP_MINFO(spl),
1027 PHP_SPL_VERSION,
1028 PHP_MODULE_GLOBALS(spl),
1029 PHP_GINIT(spl),
1030 NULL,
1031 NULL,
1032 STANDARD_MODULE_PROPERTIES_EX
1033 };
1034 /* }}} */
1035
1036 /*
1037 * Local variables:
1038 * tab-width: 4
1039 * c-basic-offset: 4
1040 * End:
1041 * vim600: fdm=marker
1042 * vim: noet sw=4 ts=4
1043 */
1044
