1 : /*
2 : +----------------------------------------------------------------------+
3 : | Zend Engine |
4 : +----------------------------------------------------------------------+
5 : | Copyright (c) 1998-2009 Zend Technologies Ltd. (http://www.zend.com) |
6 : +----------------------------------------------------------------------+
7 : | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt. |
11 : | If you did not receive a copy of the Zend license and are unable to |
12 : | obtain it through the world-wide-web, please send a note to |
13 : | license@zend.com so we can mail you a copy immediately. |
14 : +----------------------------------------------------------------------+
15 : | Authors: Andi Gutmans <andi@zend.com> |
16 : | Zeev Suraski <zeev@zend.com> |
17 : +----------------------------------------------------------------------+
18 : */
19 :
20 : /* $Id: zend_constants.c 277848 2009-03-26 22:16:48Z felipe $ */
21 :
22 : #include "zend.h"
23 : #include "zend_constants.h"
24 : #include "zend_execute.h"
25 : #include "zend_variables.h"
26 : #include "zend_operators.h"
27 : #include "zend_globals.h"
28 :
29 : void free_zend_constant(zend_constant *c) /* {{{ */
30 0 : {
31 0 : if (!(c->flags & CONST_PERSISTENT)) {
32 0 : zval_dtor(&c->value);
33 : }
34 0 : free(c->name.v);
35 0 : }
36 : /* }}} */
37 :
38 : void copy_zend_constant(zend_constant *c) /* {{{ */
39 0 : {
40 0 : c->name.u = zend_ustrndup(c->name.u, c->name_len - 1);
41 :
42 0 : if (!(c->flags & CONST_PERSISTENT)) {
43 0 : zval_copy_ctor(&c->value);
44 : }
45 0 : }
46 : /* }}} */
47 :
48 : void zend_copy_constants(HashTable *target, HashTable *source) /* {{{ */
49 0 : {
50 : zend_constant tmp_constant;
51 :
52 0 : zend_hash_copy(target, source, (copy_ctor_func_t) copy_zend_constant, &tmp_constant, sizeof(zend_constant));
53 0 : }
54 : /* }}} */
55 :
56 : static int clean_non_persistent_constant(const zend_constant *c TSRMLS_DC) /* {{{ */
57 69734 : {
58 69734 : return (c->flags & CONST_PERSISTENT) ? ZEND_HASH_APPLY_STOP : ZEND_HASH_APPLY_REMOVE;
59 : }
60 : /* }}} */
61 :
62 : static int clean_non_persistent_constant_full(const zend_constant *c TSRMLS_DC) /* {{{ */
63 0 : {
64 0 : return (c->flags & CONST_PERSISTENT) ? 0 : 1;
65 : }
66 : /* }}} */
67 :
68 : static int clean_module_constant(const zend_constant *c, int *module_number TSRMLS_DC) /* {{{ */
69 0 : {
70 0 : if (c->module_number == *module_number) {
71 0 : return 1;
72 : } else {
73 0 : return 0;
74 : }
75 : }
76 : /* }}} */
77 :
78 : void clean_module_constants(int module_number TSRMLS_DC) /* {{{ */
79 0 : {
80 0 : zend_hash_apply_with_argument(EG(zend_constants), (apply_func_arg_t) clean_module_constant, (void *) &module_number TSRMLS_CC);
81 0 : }
82 : /* }}} */
83 :
84 : int zend_startup_constants(TSRMLS_D) /* {{{ */
85 0 : {
86 0 : EG(zend_constants) = (HashTable *) malloc(sizeof(HashTable));
87 :
88 0 : if (zend_u_hash_init(EG(zend_constants), 20, NULL, ZEND_CONSTANT_DTOR, 1, UG(unicode))==FAILURE) {
89 0 : return FAILURE;
90 : }
91 0 : return SUCCESS;
92 : }
93 : /* }}} */
94 :
95 : void zend_register_standard_constants(TSRMLS_D) /* {{{ */
96 17007 : {
97 17007 : REGISTER_MAIN_LONG_CONSTANT("E_ERROR", E_ERROR, CONST_PERSISTENT | CONST_CS);
98 17007 : REGISTER_MAIN_LONG_CONSTANT("E_RECOVERABLE_ERROR", E_RECOVERABLE_ERROR, CONST_PERSISTENT | CONST_CS);
99 17007 : REGISTER_MAIN_LONG_CONSTANT("E_WARNING", E_WARNING, CONST_PERSISTENT | CONST_CS);
100 17007 : REGISTER_MAIN_LONG_CONSTANT("E_PARSE", E_PARSE, CONST_PERSISTENT | CONST_CS);
101 17007 : REGISTER_MAIN_LONG_CONSTANT("E_NOTICE", E_NOTICE, CONST_PERSISTENT | CONST_CS);
102 17007 : REGISTER_MAIN_LONG_CONSTANT("E_STRICT", E_STRICT, CONST_PERSISTENT | CONST_CS);
103 17007 : REGISTER_MAIN_LONG_CONSTANT("E_DEPRECATED", E_DEPRECATED, CONST_PERSISTENT | CONST_CS);
104 17007 : REGISTER_MAIN_LONG_CONSTANT("E_CORE_ERROR", E_CORE_ERROR, CONST_PERSISTENT | CONST_CS);
105 17007 : REGISTER_MAIN_LONG_CONSTANT("E_CORE_WARNING", E_CORE_WARNING, CONST_PERSISTENT | CONST_CS);
106 17007 : REGISTER_MAIN_LONG_CONSTANT("E_COMPILE_ERROR", E_COMPILE_ERROR, CONST_PERSISTENT | CONST_CS);
107 17007 : REGISTER_MAIN_LONG_CONSTANT("E_COMPILE_WARNING", E_COMPILE_WARNING, CONST_PERSISTENT | CONST_CS);
108 17007 : REGISTER_MAIN_LONG_CONSTANT("E_USER_ERROR", E_USER_ERROR, CONST_PERSISTENT | CONST_CS);
109 17007 : REGISTER_MAIN_LONG_CONSTANT("E_USER_WARNING", E_USER_WARNING, CONST_PERSISTENT | CONST_CS);
110 17007 : REGISTER_MAIN_LONG_CONSTANT("E_USER_NOTICE", E_USER_NOTICE, CONST_PERSISTENT | CONST_CS);
111 17007 : REGISTER_MAIN_LONG_CONSTANT("E_USER_DEPRECATED", E_USER_DEPRECATED, CONST_PERSISTENT | CONST_CS);
112 :
113 17007 : REGISTER_MAIN_LONG_CONSTANT("E_ALL", E_ALL, CONST_PERSISTENT | CONST_CS);
114 :
115 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_STOP", ZEND_CONV_ERROR_STOP, CONST_PERSISTENT | CONST_CS);
116 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_SKIP", ZEND_CONV_ERROR_SKIP, CONST_PERSISTENT | CONST_CS);
117 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_SUBST", ZEND_CONV_ERROR_SUBST, CONST_PERSISTENT | CONST_CS);
118 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_ESCAPE_UNICODE", ZEND_CONV_ERROR_ESCAPE_UNICODE, CONST_PERSISTENT | CONST_CS);
119 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_ESCAPE_ICU", ZEND_CONV_ERROR_ESCAPE_ICU, CONST_PERSISTENT | CONST_CS);
120 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_ESCAPE_JAVA", ZEND_CONV_ERROR_ESCAPE_JAVA, CONST_PERSISTENT | CONST_CS);
121 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_ESCAPE_XML_DEC", ZEND_CONV_ERROR_ESCAPE_XML_DEC, CONST_PERSISTENT | CONST_CS);
122 17007 : REGISTER_MAIN_LONG_CONSTANT("U_CONV_ERROR_ESCAPE_XML_HEX", ZEND_CONV_ERROR_ESCAPE_XML_HEX, CONST_PERSISTENT | CONST_CS);
123 :
124 17007 : REGISTER_MAIN_LONG_CONSTANT("FROM_UNICODE", ZEND_FROM_UNICODE, CONST_PERSISTENT | CONST_CS);
125 17007 : REGISTER_MAIN_LONG_CONSTANT("TO_UNICODE", ZEND_TO_UNICODE, CONST_PERSISTENT | CONST_CS);
126 :
127 : /* true/false constants */
128 : {
129 : zend_constant c;
130 :
131 17007 : Z_TYPE(c.value) = IS_BOOL;
132 17007 : c.flags = CONST_PERSISTENT | CONST_CT_SUBST;
133 17007 : c.module_number = 0;
134 :
135 17007 : c.name.s = zend_strndup(ZEND_STRL("TRUE"));
136 17007 : c.name_len = sizeof("TRUE");
137 17007 : Z_LVAL(c.value) = 1;
138 17007 : Z_TYPE(c.value) = IS_BOOL;
139 17007 : zend_register_constant(&c TSRMLS_CC);
140 :
141 17007 : c.name.s = zend_strndup(ZEND_STRL("FALSE"));
142 17007 : c.name_len = sizeof("FALSE");
143 17007 : Z_LVAL(c.value) = 0;
144 17007 : Z_TYPE(c.value) = IS_BOOL;
145 17007 : zend_register_constant(&c TSRMLS_CC);
146 :
147 17007 : c.name.s = zend_strndup(ZEND_STRL("NULL"));
148 17007 : c.name_len = sizeof("NULL");
149 17007 : Z_TYPE(c.value) = IS_NULL;
150 17007 : zend_register_constant(&c TSRMLS_CC);
151 :
152 17007 : c.flags = CONST_PERSISTENT;
153 :
154 17007 : c.name.s = zend_strndup(ZEND_STRL("ZEND_THREAD_SAFE"));
155 17007 : c.name_len = sizeof("ZEND_THREAD_SAFE");
156 17007 : Z_LVAL(c.value) = ZTS_V;
157 17007 : Z_TYPE(c.value) = IS_BOOL;
158 17007 : zend_register_constant(&c TSRMLS_CC);
159 :
160 17007 : c.name.s = zend_strndup(ZEND_STRL("ZEND_DEBUG_BUILD"));
161 17007 : c.name_len = sizeof("ZEND_DEBUG_BUILD");
162 17007 : Z_LVAL(c.value) = ZEND_DEBUG;
163 17007 : Z_TYPE(c.value) = IS_BOOL;
164 17007 : zend_register_constant(&c TSRMLS_CC);
165 : }
166 17007 : }
167 : /* }}} */
168 :
169 : int zend_shutdown_constants(TSRMLS_D) /* {{{ */
170 0 : {
171 0 : zend_hash_destroy(EG(zend_constants));
172 0 : free(EG(zend_constants));
173 0 : return SUCCESS;
174 : }
175 : /* }}} */
176 :
177 : void clean_non_persistent_constants(TSRMLS_D) /* {{{ */
178 17025 : {
179 17025 : if (EG(full_tables_cleanup)) {
180 0 : zend_hash_apply(EG(zend_constants), (apply_func_t) clean_non_persistent_constant_full TSRMLS_CC);
181 : } else {
182 17025 : zend_hash_reverse_apply(EG(zend_constants), (apply_func_t) clean_non_persistent_constant TSRMLS_CC);
183 : }
184 17025 : }
185 : /* }}} */
186 :
187 : ZEND_API void zend_register_long_constant(const char *name, uint name_len, long lval, int flags, int module_number TSRMLS_DC) /* {{{ */
188 32245542 : {
189 : zend_constant c;
190 :
191 32245542 : c.name.u = malloc(UBYTES(name_len));
192 32245542 : u_charsToUChars(name, c.name.u, name_len);
193 32245542 : c.name_len = name_len;
194 :
195 32245542 : Z_TYPE(c.value) = IS_LONG;
196 32245542 : Z_LVAL(c.value) = lval;
197 32245542 : c.flags = flags;
198 32245542 : c.module_number = module_number;
199 32245542 : zend_u_register_constant(IS_UNICODE, &c TSRMLS_CC);
200 32245542 : }
201 : /* }}} */
202 :
203 : ZEND_API void zend_register_double_constant(const char *name, uint name_len, double dval, int flags, int module_number TSRMLS_DC) /* {{{ */
204 323133 : {
205 : zend_constant c;
206 :
207 323133 : c.name.u = malloc(UBYTES(name_len));
208 323133 : u_charsToUChars(name, c.name.u, name_len);
209 323133 : c.name_len = name_len;
210 :
211 323133 : Z_TYPE(c.value) = IS_DOUBLE;
212 323133 : Z_DVAL(c.value) = dval;
213 323133 : c.flags = flags;
214 323133 : c.module_number = module_number;
215 323133 : zend_u_register_constant(IS_UNICODE, &c TSRMLS_CC);
216 323133 : }
217 : /* }}} */
218 :
219 : ZEND_API void zend_register_stringl_constant(const char *name, uint name_len, char *strval, uint strlen, int flags, int module_number TSRMLS_DC) /* {{{ */
220 1360801 : {
221 : zend_constant c;
222 :
223 1360801 : c.name.u = malloc(UBYTES(name_len));
224 1360801 : u_charsToUChars(name, c.name.u, name_len);
225 1360801 : c.name_len = name_len;
226 1360801 : Z_TYPE(c.value) = IS_UNICODE;
227 1360801 : if (flags & CONST_PERSISTENT) {
228 1360560 : Z_USTRVAL(c.value) = malloc(UBYTES(strlen+1));
229 : } else {
230 241 : Z_USTRVAL(c.value) = emalloc(UBYTES(strlen+1));
231 : }
232 1360801 : u_charsToUChars(strval, Z_USTRVAL(c.value), strlen+1);
233 1360801 : Z_USTRLEN(c.value) = strlen;
234 1360801 : if (!(flags & CONST_PERSISTENT)) {
235 241 : efree(strval);
236 : }
237 :
238 1360801 : c.flags = flags;
239 1360801 : c.module_number = module_number;
240 1360801 : zend_u_register_constant(IS_UNICODE, &c TSRMLS_CC);
241 1360801 : }
242 : /* }}} */
243 :
244 : ZEND_API void zend_register_string_constant(const char *name, uint name_len, char *strval, int flags, int module_number TSRMLS_DC) /* {{{ */
245 1088448 : {
246 1088448 : zend_register_stringl_constant(name, name_len, strval, strlen(strval), flags, module_number TSRMLS_CC);
247 1088448 : }
248 : /* }}} */
249 :
250 : ZEND_API int zend_u_get_constant(zend_uchar type, zstr name, uint name_len, zval *result TSRMLS_DC) /* {{{ */
251 49294 : {
252 : zend_constant *c;
253 49294 : int retval = 1;
254 : zstr lookup_name;
255 :
256 49294 : if (zend_u_hash_find(EG(zend_constants), type, name, name_len+1, (void **) &c) == FAILURE) {
257 : unsigned int lookup_name_len;
258 :
259 34967 : lookup_name = zend_u_str_case_fold(type, name, name_len, 1, &lookup_name_len);
260 :
261 34967 : if (zend_u_hash_find(EG(zend_constants), type, lookup_name, lookup_name_len+1, (void **) &c)==SUCCESS) {
262 250 : if (c->flags & CONST_CS) {
263 0 : retval=0;
264 : }
265 : } else {
266 34717 : if (!EG(in_execution)) {
267 34390 : retval = 0;
268 403 : } else if (name_len == sizeof(ZEND_HALT_CONSTANT_NAME)-1 && ZEND_U_EQUAL(type, name, name_len, ZEND_HALT_CONSTANT_NAME, sizeof(ZEND_HALT_CONSTANT_NAME)-1)) {
269 : char *cfilename;
270 : zstr haltname;
271 : int len, clen;
272 76 : cfilename = zend_get_executed_filename(TSRMLS_C);
273 76 : clen = strlen(cfilename);
274 : /* check for __COMPILER_HALT_OFFSET__ */
275 76 : zend_mangle_property_name(&haltname.s, &len, ZEND_HALT_CONSTANT_NAME,
276 : sizeof(ZEND_HALT_CONSTANT_NAME) - 1, cfilename, clen, 0);
277 76 : if (zend_u_hash_find(EG(zend_constants), IS_STRING, haltname, len+1, (void **) &c) == SUCCESS) {
278 75 : retval=1;
279 : } else {
280 1 : retval=0;
281 : }
282 76 : pefree(haltname.s, 0);
283 : } else {
284 251 : retval=0;
285 : }
286 : }
287 34967 : efree(lookup_name.v);
288 : }
289 :
290 49294 : if (retval) {
291 14652 : *result = c->value;
292 14652 : zval_copy_ctor(result);
293 14652 : Z_SET_REFCOUNT_P(result, 1);
294 14652 : Z_UNSET_ISREF_P(result);
295 : }
296 :
297 49294 : return retval;
298 : }
299 : /* }}} */
300 :
301 : ZEND_API int zend_u_get_constant_ex(zend_uchar type, zstr name, uint name_len, zval *result, zend_class_entry *scope, ulong flags TSRMLS_DC) /* {{{ */
302 49555 : {
303 : zend_constant *c;
304 49555 : int retval = 1;
305 : zstr colon;
306 49555 : zend_class_entry *ce = NULL;
307 : zval **ret_constant;
308 :
309 : /* Skip leading \ */
310 49563 : if (type == IS_UNICODE &&
311 : name.u[0] == '\\') {
312 8 : name.u += 1;
313 8 : name_len -= 1;
314 49547 : } else if (type == IS_STRING &&
315 : name.s[0] == '\\') {
316 0 : name.s += 1;
317 0 : name_len -= 1;
318 : }
319 :
320 49555 : if ((type == IS_UNICODE && (colon.u = u_memrchr(name.u, ':', name_len)) && colon.u > name.u && *(colon.u-1) == ':') ||
321 : (!type == IS_STRING && (colon.s = zend_memrchr(name.s, ':', name_len))&& colon.s > name.s && *(colon.s-1) == ':')) {
322 : /* compound constant name */
323 150 : int class_name_len = (type == IS_UNICODE) ? colon.u-name.u-1 : colon.s-name.s-1;
324 150 : int const_name_len = name_len - class_name_len - 2;
325 : zstr constant_name, class_name;
326 : zstr lcname;
327 : unsigned int lcname_len;
328 :
329 150 : if (type == IS_UNICODE) {
330 150 : constant_name.u = colon.u + 1;
331 : } else {
332 0 : constant_name.s = colon.s + 1;
333 : }
334 :
335 150 : if (!scope) {
336 132 : if (EG(in_execution)) {
337 132 : scope = EG(scope);
338 : } else {
339 0 : scope = CG(active_class_entry);
340 : }
341 : }
342 :
343 150 : if (type == IS_UNICODE) {
344 150 : class_name.u = eustrndup(name.u, class_name_len);
345 : } else {
346 0 : class_name.s = estrndup(name.s, class_name_len);
347 : }
348 :
349 150 : lcname = zend_u_str_case_fold(type, class_name, class_name_len, 0, &lcname_len);
350 :
351 199 : if (lcname_len == sizeof("self")-1 &&
352 : ZEND_U_EQUAL(type, lcname, lcname_len, "self", sizeof("self")-1)) {
353 49 : if (scope) {
354 49 : ce = scope;
355 : } else {
356 0 : zend_error(E_ERROR, "Cannot access self:: when no class scope is active");
357 0 : retval = 0;
358 : }
359 49 : efree(lcname.v);
360 107 : } else if (lcname_len == sizeof("parent")-1 &&
361 : ZEND_U_EQUAL(type, lcname, lcname_len, "parent", sizeof("parent")-1)) {
362 6 : efree(lcname.v);
363 6 : if (!scope) {
364 0 : zend_error(E_ERROR, "Cannot access parent:: when no class scope is active");
365 6 : } else if (!scope->parent) {
366 0 : zend_error(E_ERROR, "Cannot access parent:: when current class scope has no parent");
367 : } else {
368 6 : ce = scope->parent;
369 : }
370 100 : } else if (lcname_len == sizeof("static")-1 &&
371 : ZEND_U_EQUAL(type, lcname, lcname_len, "static", sizeof("static")-1)) {
372 5 : efree(lcname.v);
373 5 : if (EG(called_scope)) {
374 5 : ce = EG(called_scope);
375 : } else {
376 0 : zend_error(E_ERROR, "Cannot access static:: when no class scope is active");
377 : }
378 : } else {
379 90 : efree(lcname.v);
380 90 : ce = zend_u_fetch_class(type, class_name, class_name_len, flags TSRMLS_CC);
381 : }
382 :
383 283 : if (retval && ce) {
384 141 : if (zend_u_hash_find(&ce->constants_table, type, constant_name, const_name_len+1, (void **) &ret_constant) != SUCCESS) {
385 5 : retval = 0;
386 5 : if ((flags & ZEND_FETCH_CLASS_SILENT) == 0) {
387 1 : zend_error(E_ERROR, "Undefined class constant '%R::%R'", type, class_name, type, constant_name);
388 : }
389 : }
390 2 : } else if (!ce) {
391 2 : retval = 0;
392 : }
393 142 : efree(class_name.v);
394 142 : goto finish;
395 : }
396 : /* non-class constant */
397 49405 : if(type == IS_UNICODE) {
398 49247 : colon.u = u_memrchr(name.u, '\\', name_len);
399 : } else {
400 158 : colon.s = zend_memrchr(name.s, '\\', name_len);
401 : }
402 49405 : if(colon.v != NULL) {
403 : /* compound constant name */
404 : zstr lcname, constant_name;
405 : unsigned int lcname_len, prefix_len, const_name_len;
406 148 : int found_const = 0;
407 :
408 148 : if(type == IS_UNICODE) {
409 148 : prefix_len = colon.u - name.u;
410 148 : constant_name.u = colon.u+1;
411 : } else {
412 0 : prefix_len = colon.s - name.s;
413 0 : constant_name.s = colon.s+1;
414 : }
415 148 : const_name_len = name_len - prefix_len - 1;
416 :
417 148 : lcname = zend_u_str_case_fold(type, name, prefix_len, 0, &lcname_len);
418 :
419 148 : if(type == IS_UNICODE) {
420 148 : lcname.u = erealloc(lcname.u, UBYTES(const_name_len + 1 + lcname_len + 1));
421 148 : lcname.u[lcname_len] = '\\';
422 148 : memcpy(lcname.u+lcname_len+1, constant_name.u, UBYTES(const_name_len + 1));
423 : } else {
424 0 : lcname.s = erealloc(lcname.s, const_name_len + 1 + lcname_len + 1);
425 0 : lcname.s[lcname_len] = '\\';
426 0 : memcpy(lcname.s+lcname_len+1, constant_name.s, const_name_len + 1);
427 : }
428 :
429 148 : if (zend_u_hash_find(EG(zend_constants), type, lcname, const_name_len + 1 + lcname_len + 1, (void **) &c) == SUCCESS) {
430 97 : found_const = 1;
431 : } else {
432 : /* try lowercase */
433 51 : efree(lcname.v);
434 51 : lcname = zend_u_str_case_fold(type, name, name_len, 0, &lcname_len);
435 51 : if (zend_u_hash_find(EG(zend_constants), type, lcname, lcname_len + 1, (void **) &c) == SUCCESS) {
436 4 : if ((c->flags & CONST_CS) == 0) {
437 3 : found_const = 1;
438 : }
439 : }
440 : }
441 148 : efree(lcname.v);
442 148 : if(found_const) {
443 100 : *result = c->value;
444 100 : zval_update_constant_ex(&result, (void*)1, NULL TSRMLS_CC);
445 100 : zval_copy_ctor(result);
446 100 : Z_SET_REFCOUNT_P(result, 1);
447 100 : Z_UNSET_ISREF_P(result);
448 100 : return 1;
449 : }
450 : /* name requires runtime resolution, need to check non-namespaced name */
451 48 : if ((flags & IS_CONSTANT_UNQUALIFIED) != 0) {
452 37 : name = constant_name;
453 37 : name_len = const_name_len;
454 37 : return zend_u_get_constant(type, name, name_len, result TSRMLS_CC);
455 : }
456 11 : retval = 0;
457 153 : finish:
458 153 : if (retval) {
459 136 : zval_update_constant_ex(ret_constant, (void*)1, ce TSRMLS_CC);
460 134 : *result = **ret_constant;
461 134 : zval_copy_ctor(result);
462 134 : INIT_PZVAL(result);
463 : }
464 :
465 151 : return retval;
466 : }
467 :
468 49257 : return zend_u_get_constant(type, name, name_len, result TSRMLS_CC);
469 : }
470 : /* }}} */
471 :
472 : ZEND_API int zend_get_constant(const char *name, uint name_len, zval *result TSRMLS_DC) /* {{{ */
473 158 : {
474 158 : return zend_u_get_constant_ex(IS_STRING, ZSTR(name), name_len, result, NULL, 0 TSRMLS_CC);
475 : }
476 : /* }}} */
477 :
478 : ZEND_API int zend_u_register_constant(zend_uchar type, zend_constant *c TSRMLS_DC) /* {{{ */
479 34066722 : {
480 : unsigned int lookup_name_len;
481 : zstr lookup_name;
482 : zstr name;
483 34066722 : int ret = SUCCESS;
484 :
485 : #if 0
486 : printf("Registering constant for module %d\n", c->module_number);
487 : #endif
488 :
489 34066722 : if (!(c->flags & CONST_CS)) {
490 : /* keep in mind that c->name_len already contains the '\0' */
491 782689 : name = lookup_name = zend_u_str_case_fold(type, c->name, c->name_len-1, 1, &lookup_name_len);
492 782689 : lookup_name_len++;
493 : } else {
494 : zstr slash, const_name;
495 : unsigned int lcname_len, prefix_len, const_name_len;
496 :
497 33284033 : if(type == IS_UNICODE) {
498 33284033 : slash.u = u_memrchr(c->name.u, '\\', c->name_len-1);
499 : } else {
500 0 : slash.s = zend_memrchr(c->name.s, '\\', c->name_len-1);
501 : }
502 33284033 : if(slash.v != NULL) {
503 29 : name = c->name;
504 29 : if(type == IS_UNICODE) {
505 29 : prefix_len = slash.u - name.u;
506 29 : const_name.u = slash.u+1;
507 : } else {
508 0 : prefix_len = slash.s - name.s;
509 0 : const_name.s = slash.s+1;
510 : }
511 29 : const_name_len = c->name_len - 1 - prefix_len - 1;
512 :
513 29 : lookup_name = zend_u_str_case_fold(type, name, prefix_len, 0, &lcname_len);
514 29 : lookup_name_len = const_name_len + 1 + lcname_len + 1;
515 :
516 29 : if(type == IS_UNICODE) {
517 29 : lookup_name.u = erealloc(lookup_name.u, UBYTES(lookup_name_len));
518 29 : lookup_name.u[lcname_len] = '\\';
519 29 : memcpy(lookup_name.u+lcname_len+1, const_name.u, UBYTES(const_name_len + 1));
520 : } else {
521 0 : lookup_name.s = erealloc(lookup_name.s, lookup_name_len);
522 0 : lookup_name.s[lcname_len] = '\\';
523 0 : memcpy(lookup_name.s+lcname_len+1, const_name.s, const_name_len + 1);
524 : }
525 29 : name = lookup_name;
526 : } else {
527 33284004 : lookup_name_len = c->name_len;
528 33284004 : name = c->name;
529 33284004 : lookup_name = NULL_ZSTR;
530 : }
531 : }
532 :
533 34066722 : if (EG(in_execution) && lookup_name_len == sizeof(ZEND_HALT_CONSTANT_NAME) && ZEND_U_EQUAL(type, name, lookup_name_len-1, ZEND_HALT_CONSTANT_NAME, sizeof(ZEND_HALT_CONSTANT_NAME)-1)) {
534 2 : zend_error(E_NOTICE,"Constant %R already defined", type, name);
535 2 : if (lookup_name.v) {
536 0 : efree(lookup_name.v);
537 : }
538 2 : ret = FAILURE;
539 : }
540 34066722 : if (zend_u_hash_add(EG(zend_constants), type, name, lookup_name_len, (void *) c, sizeof(zend_constant), NULL)==FAILURE) {
541 5 : zend_error(E_NOTICE,"Constant %R already defined", type, name);
542 5 : free(c->name.v);
543 5 : if (!(c->flags & CONST_PERSISTENT)) {
544 5 : zval_dtor(&c->value);
545 : }
546 5 : ret = FAILURE;
547 : }
548 34066722 : if (lookup_name.v) {
549 782718 : efree(lookup_name.v);
550 : }
551 34066722 : return ret;
552 : }
553 : /* }}} */
554 :
555 : ZEND_API int zend_register_constant(zend_constant *c TSRMLS_DC) /* {{{ */
556 134877 : {
557 : UChar *ustr;
558 :
559 134877 : if (c->name.s) {
560 134877 : ustr = malloc(UBYTES(c->name_len));
561 134877 : u_charsToUChars(c->name.s, ustr, c->name_len);
562 134877 : free(c->name.s);
563 134877 : c->name.u = ustr;
564 : }
565 134877 : if (Z_TYPE(c->value) == IS_STRING || (Z_TYPE(c->value) & IS_CONSTANT_TYPE_MASK) == IS_CONSTANT) {
566 0 : ustr = pemalloc(UBYTES(Z_STRLEN(c->value)+1), c->flags & CONST_PERSISTENT);
567 0 : u_charsToUChars(Z_STRVAL(c->value), ustr, Z_STRLEN(c->value)+1);
568 0 : pefree(Z_STRVAL(c->value), c->flags & CONST_PERSISTENT);
569 0 : Z_USTRVAL(c->value) = ustr;
570 0 : if (Z_TYPE(c->value) == IS_STRING) Z_TYPE(c->value) = IS_UNICODE;
571 : }
572 134877 : return zend_u_register_constant(IS_UNICODE, c TSRMLS_CC);
573 : }
574 : /* }}} */
575 :
576 : /*
577 : * Local variables:
578 : * tab-width: 4
579 : * c-basic-offset: 4
580 : * indent-tabs-mode: t
581 : * End:
582 : */
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