Annotation of embedaddon/php/Zend/zend_constants.c, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | Zend Engine |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1998-2012 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 321634 2012-01-01 13:15:04Z 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:
! 30: void free_zend_constant(zend_constant *c)
! 31: {
! 32: if (!(c->flags & CONST_PERSISTENT)) {
! 33: zval_dtor(&c->value);
! 34: }
! 35: free(c->name);
! 36: }
! 37:
! 38:
! 39: void copy_zend_constant(zend_constant *c)
! 40: {
! 41: c->name = zend_strndup(c->name, c->name_len - 1);
! 42: if (!(c->flags & CONST_PERSISTENT)) {
! 43: zval_copy_ctor(&c->value);
! 44: }
! 45: }
! 46:
! 47:
! 48: void zend_copy_constants(HashTable *target, HashTable *source)
! 49: {
! 50: zend_constant tmp_constant;
! 51:
! 52: zend_hash_copy(target, source, (copy_ctor_func_t) copy_zend_constant, &tmp_constant, sizeof(zend_constant));
! 53: }
! 54:
! 55:
! 56: static int clean_non_persistent_constant(const zend_constant *c TSRMLS_DC)
! 57: {
! 58: 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: {
! 64: 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: {
! 70: if (c->module_number == *module_number) {
! 71: return 1;
! 72: } else {
! 73: return 0;
! 74: }
! 75: }
! 76:
! 77:
! 78: void clean_module_constants(int module_number TSRMLS_DC)
! 79: {
! 80: zend_hash_apply_with_argument(EG(zend_constants), (apply_func_arg_t) clean_module_constant, (void *) &module_number TSRMLS_CC);
! 81: }
! 82:
! 83:
! 84: int zend_startup_constants(TSRMLS_D)
! 85: {
! 86: EG(zend_constants) = (HashTable *) malloc(sizeof(HashTable));
! 87:
! 88: if (zend_hash_init(EG(zend_constants), 20, NULL, ZEND_CONSTANT_DTOR, 1)==FAILURE) {
! 89: return FAILURE;
! 90: }
! 91: return SUCCESS;
! 92: }
! 93:
! 94:
! 95:
! 96: void zend_register_standard_constants(TSRMLS_D)
! 97: {
! 98: REGISTER_MAIN_LONG_CONSTANT("E_ERROR", E_ERROR, CONST_PERSISTENT | CONST_CS);
! 99: REGISTER_MAIN_LONG_CONSTANT("E_RECOVERABLE_ERROR", E_RECOVERABLE_ERROR, CONST_PERSISTENT | CONST_CS);
! 100: REGISTER_MAIN_LONG_CONSTANT("E_WARNING", E_WARNING, CONST_PERSISTENT | CONST_CS);
! 101: REGISTER_MAIN_LONG_CONSTANT("E_PARSE", E_PARSE, CONST_PERSISTENT | CONST_CS);
! 102: REGISTER_MAIN_LONG_CONSTANT("E_NOTICE", E_NOTICE, CONST_PERSISTENT | CONST_CS);
! 103: REGISTER_MAIN_LONG_CONSTANT("E_STRICT", E_STRICT, CONST_PERSISTENT | CONST_CS);
! 104: REGISTER_MAIN_LONG_CONSTANT("E_DEPRECATED", E_DEPRECATED, CONST_PERSISTENT | CONST_CS);
! 105: REGISTER_MAIN_LONG_CONSTANT("E_CORE_ERROR", E_CORE_ERROR, CONST_PERSISTENT | CONST_CS);
! 106: REGISTER_MAIN_LONG_CONSTANT("E_CORE_WARNING", E_CORE_WARNING, CONST_PERSISTENT | CONST_CS);
! 107: REGISTER_MAIN_LONG_CONSTANT("E_COMPILE_ERROR", E_COMPILE_ERROR, CONST_PERSISTENT | CONST_CS);
! 108: REGISTER_MAIN_LONG_CONSTANT("E_COMPILE_WARNING", E_COMPILE_WARNING, CONST_PERSISTENT | CONST_CS);
! 109: REGISTER_MAIN_LONG_CONSTANT("E_USER_ERROR", E_USER_ERROR, CONST_PERSISTENT | CONST_CS);
! 110: REGISTER_MAIN_LONG_CONSTANT("E_USER_WARNING", E_USER_WARNING, CONST_PERSISTENT | CONST_CS);
! 111: REGISTER_MAIN_LONG_CONSTANT("E_USER_NOTICE", E_USER_NOTICE, CONST_PERSISTENT | CONST_CS);
! 112: REGISTER_MAIN_LONG_CONSTANT("E_USER_DEPRECATED", E_USER_DEPRECATED, CONST_PERSISTENT | CONST_CS);
! 113:
! 114: REGISTER_MAIN_LONG_CONSTANT("E_ALL", E_ALL, CONST_PERSISTENT | CONST_CS);
! 115:
! 116: #if SUHOSIN_PATCH
! 117: REGISTER_MAIN_LONG_CONSTANT("S_MEMORY", S_MEMORY, CONST_PERSISTENT | CONST_CS);
! 118: REGISTER_MAIN_LONG_CONSTANT("S_VARS", S_VARS, CONST_PERSISTENT | CONST_CS);
! 119: REGISTER_MAIN_LONG_CONSTANT("S_FILES", S_FILES, CONST_PERSISTENT | CONST_CS);
! 120: REGISTER_MAIN_LONG_CONSTANT("S_INCLUDE", S_INCLUDE, CONST_PERSISTENT | CONST_CS);
! 121: REGISTER_MAIN_LONG_CONSTANT("S_SQL", S_SQL, CONST_PERSISTENT | CONST_CS);
! 122: REGISTER_MAIN_LONG_CONSTANT("S_EXECUTOR", S_EXECUTOR, CONST_PERSISTENT | CONST_CS);
! 123: REGISTER_MAIN_LONG_CONSTANT("S_MAIL", S_MAIL, CONST_PERSISTENT | CONST_CS);
! 124: REGISTER_MAIN_LONG_CONSTANT("S_SESSION", S_SESSION, CONST_PERSISTENT | CONST_CS);
! 125: REGISTER_MAIN_LONG_CONSTANT("S_MISC", S_MISC, CONST_PERSISTENT | CONST_CS);
! 126: REGISTER_MAIN_LONG_CONSTANT("S_INTERNAL", S_INTERNAL, CONST_PERSISTENT | CONST_CS);
! 127: REGISTER_MAIN_LONG_CONSTANT("S_ALL", S_ALL, CONST_PERSISTENT | CONST_CS);
! 128:
! 129: /* error levels */
! 130: REGISTER_MAIN_LONG_CONSTANT("LOG_EMERG", LOG_EMERG, CONST_CS | CONST_PERSISTENT); /* system unusable */
! 131: REGISTER_MAIN_LONG_CONSTANT("LOG_ALERT", LOG_ALERT, CONST_CS | CONST_PERSISTENT); /* immediate action required */
! 132: REGISTER_MAIN_LONG_CONSTANT("LOG_CRIT", LOG_CRIT, CONST_CS | CONST_PERSISTENT); /* critical conditions */
! 133: REGISTER_MAIN_LONG_CONSTANT("LOG_ERR", LOG_ERR, CONST_CS | CONST_PERSISTENT);
! 134: REGISTER_MAIN_LONG_CONSTANT("LOG_WARNING", LOG_WARNING, CONST_CS | CONST_PERSISTENT);
! 135: REGISTER_MAIN_LONG_CONSTANT("LOG_NOTICE", LOG_NOTICE, CONST_CS | CONST_PERSISTENT);
! 136: REGISTER_MAIN_LONG_CONSTANT("LOG_INFO", LOG_INFO, CONST_CS | CONST_PERSISTENT);
! 137: REGISTER_MAIN_LONG_CONSTANT("LOG_DEBUG", LOG_DEBUG, CONST_CS | CONST_PERSISTENT);
! 138: /* facility: type of program logging the message */
! 139: REGISTER_MAIN_LONG_CONSTANT("LOG_KERN", LOG_KERN, CONST_CS | CONST_PERSISTENT);
! 140: REGISTER_MAIN_LONG_CONSTANT("LOG_USER", LOG_USER, CONST_CS | CONST_PERSISTENT); /* generic user level */
! 141: REGISTER_MAIN_LONG_CONSTANT("LOG_MAIL", LOG_MAIL, CONST_CS | CONST_PERSISTENT); /* log to email */
! 142: REGISTER_MAIN_LONG_CONSTANT("LOG_DAEMON", LOG_DAEMON, CONST_CS | CONST_PERSISTENT); /* other system daemons */
! 143: REGISTER_MAIN_LONG_CONSTANT("LOG_AUTH", LOG_AUTH, CONST_CS | CONST_PERSISTENT);
! 144: REGISTER_MAIN_LONG_CONSTANT("LOG_SYSLOG", LOG_SYSLOG, CONST_CS | CONST_PERSISTENT);
! 145: REGISTER_MAIN_LONG_CONSTANT("LOG_LPR", LOG_LPR, CONST_CS | CONST_PERSISTENT);
! 146: #ifdef LOG_NEWS
! 147: /* No LOG_NEWS on HP-UX */
! 148: REGISTER_MAIN_LONG_CONSTANT("LOG_NEWS", LOG_NEWS, CONST_CS | CONST_PERSISTENT); /* usenet new */
! 149: #endif
! 150: #ifdef LOG_UUCP
! 151: /* No LOG_UUCP on HP-UX */
! 152: REGISTER_MAIN_LONG_CONSTANT("LOG_UUCP", LOG_UUCP, CONST_CS | CONST_PERSISTENT);
! 153: #endif
! 154: #ifdef LOG_CRON
! 155: /* apparently some systems don't have this one */
! 156: REGISTER_MAIN_LONG_CONSTANT("LOG_CRON", LOG_CRON, CONST_CS | CONST_PERSISTENT);
! 157: #endif
! 158: #ifdef LOG_AUTHPRIV
! 159: /* AIX doesn't have LOG_AUTHPRIV */
! 160: REGISTER_MAIN_LONG_CONSTANT("LOG_AUTHPRIV", LOG_AUTHPRIV, CONST_CS | CONST_PERSISTENT);
! 161: #endif
! 162: #ifndef PHP_WIN32
! 163: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL0", LOG_LOCAL0, CONST_CS | CONST_PERSISTENT);
! 164: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL1", LOG_LOCAL1, CONST_CS | CONST_PERSISTENT);
! 165: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL2", LOG_LOCAL2, CONST_CS | CONST_PERSISTENT);
! 166: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL3", LOG_LOCAL3, CONST_CS | CONST_PERSISTENT);
! 167: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL4", LOG_LOCAL4, CONST_CS | CONST_PERSISTENT);
! 168: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL5", LOG_LOCAL5, CONST_CS | CONST_PERSISTENT);
! 169: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL6", LOG_LOCAL6, CONST_CS | CONST_PERSISTENT);
! 170: REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL7", LOG_LOCAL7, CONST_CS | CONST_PERSISTENT);
! 171: #endif
! 172: /* options */
! 173: REGISTER_MAIN_LONG_CONSTANT("LOG_PID", LOG_PID, CONST_CS | CONST_PERSISTENT);
! 174: REGISTER_MAIN_LONG_CONSTANT("LOG_CONS", LOG_CONS, CONST_CS | CONST_PERSISTENT);
! 175: REGISTER_MAIN_LONG_CONSTANT("LOG_ODELAY", LOG_ODELAY, CONST_CS | CONST_PERSISTENT);
! 176: REGISTER_MAIN_LONG_CONSTANT("LOG_NDELAY", LOG_NDELAY, CONST_CS | CONST_PERSISTENT);
! 177: #ifdef LOG_NOWAIT
! 178: REGISTER_MAIN_LONG_CONSTANT("LOG_NOWAIT", LOG_NOWAIT, CONST_CS | CONST_PERSISTENT);
! 179: #endif
! 180: #ifdef LOG_PERROR
! 181: /* AIX doesn't have LOG_PERROR */
! 182: REGISTER_MAIN_LONG_CONSTANT("LOG_PERROR", LOG_PERROR, CONST_CS | CONST_PERSISTENT); /*log to stderr*/
! 183: #endif
! 184: #endif
! 185:
! 186: REGISTER_MAIN_LONG_CONSTANT("DEBUG_BACKTRACE_PROVIDE_OBJECT", DEBUG_BACKTRACE_PROVIDE_OBJECT, CONST_PERSISTENT | CONST_CS);
! 187: REGISTER_MAIN_LONG_CONSTANT("DEBUG_BACKTRACE_IGNORE_ARGS", DEBUG_BACKTRACE_IGNORE_ARGS, CONST_PERSISTENT | CONST_CS);
! 188: /* true/false constants */
! 189: {
! 190: zend_constant c;
! 191:
! 192: c.flags = CONST_PERSISTENT | CONST_CT_SUBST;
! 193: c.module_number = 0;
! 194:
! 195: c.name = zend_strndup(ZEND_STRL("TRUE"));
! 196: c.name_len = sizeof("TRUE");
! 197: c.value.value.lval = 1;
! 198: c.value.type = IS_BOOL;
! 199: zend_register_constant(&c TSRMLS_CC);
! 200:
! 201: c.name = zend_strndup(ZEND_STRL("FALSE"));
! 202: c.name_len = sizeof("FALSE");
! 203: c.value.value.lval = 0;
! 204: c.value.type = IS_BOOL;
! 205: zend_register_constant(&c TSRMLS_CC);
! 206:
! 207: c.name = zend_strndup(ZEND_STRL("NULL"));
! 208: c.name_len = sizeof("NULL");
! 209: c.value.type = IS_NULL;
! 210: zend_register_constant(&c TSRMLS_CC);
! 211:
! 212: c.flags = CONST_PERSISTENT;
! 213:
! 214: c.name = zend_strndup(ZEND_STRL("ZEND_THREAD_SAFE"));
! 215: c.name_len = sizeof("ZEND_THREAD_SAFE");
! 216: c.value.value.lval = ZTS_V;
! 217: c.value.type = IS_BOOL;
! 218: zend_register_constant(&c TSRMLS_CC);
! 219:
! 220: c.name = zend_strndup(ZEND_STRL("ZEND_DEBUG_BUILD"));
! 221: c.name_len = sizeof("ZEND_DEBUG_BUILD");
! 222: c.value.value.lval = ZEND_DEBUG;
! 223: c.value.type = IS_BOOL;
! 224: zend_register_constant(&c TSRMLS_CC);
! 225: }
! 226: }
! 227:
! 228:
! 229: int zend_shutdown_constants(TSRMLS_D)
! 230: {
! 231: zend_hash_destroy(EG(zend_constants));
! 232: free(EG(zend_constants));
! 233: return SUCCESS;
! 234: }
! 235:
! 236:
! 237: void clean_non_persistent_constants(TSRMLS_D)
! 238: {
! 239: if (EG(full_tables_cleanup)) {
! 240: zend_hash_apply(EG(zend_constants), (apply_func_t) clean_non_persistent_constant_full TSRMLS_CC);
! 241: } else {
! 242: zend_hash_reverse_apply(EG(zend_constants), (apply_func_t) clean_non_persistent_constant TSRMLS_CC);
! 243: }
! 244: }
! 245:
! 246:
! 247: ZEND_API void zend_register_long_constant(const char *name, uint name_len, long lval, int flags, int module_number TSRMLS_DC)
! 248: {
! 249: zend_constant c;
! 250:
! 251: c.value.type = IS_LONG;
! 252: c.value.value.lval = lval;
! 253: c.flags = flags;
! 254: c.name = zend_strndup(name, name_len-1);
! 255: c.name_len = name_len;
! 256: c.module_number = module_number;
! 257: zend_register_constant(&c TSRMLS_CC);
! 258: }
! 259:
! 260:
! 261: ZEND_API void zend_register_double_constant(const char *name, uint name_len, double dval, int flags, int module_number TSRMLS_DC)
! 262: {
! 263: zend_constant c;
! 264:
! 265: c.value.type = IS_DOUBLE;
! 266: c.value.value.dval = dval;
! 267: c.flags = flags;
! 268: c.name = zend_strndup(name, name_len-1);
! 269: c.name_len = name_len;
! 270: c.module_number = module_number;
! 271: zend_register_constant(&c TSRMLS_CC);
! 272: }
! 273:
! 274:
! 275: ZEND_API void zend_register_stringl_constant(const char *name, uint name_len, char *strval, uint strlen, int flags, int module_number TSRMLS_DC)
! 276: {
! 277: zend_constant c;
! 278:
! 279: c.value.type = IS_STRING;
! 280: c.value.value.str.val = strval;
! 281: c.value.value.str.len = strlen;
! 282: c.flags = flags;
! 283: c.name = zend_strndup(name, name_len-1);
! 284: c.name_len = name_len;
! 285: c.module_number = module_number;
! 286: zend_register_constant(&c TSRMLS_CC);
! 287: }
! 288:
! 289:
! 290: ZEND_API void zend_register_string_constant(const char *name, uint name_len, char *strval, int flags, int module_number TSRMLS_DC)
! 291: {
! 292: zend_register_stringl_constant(name, name_len, strval, strlen(strval), flags, module_number TSRMLS_CC);
! 293: }
! 294:
! 295:
! 296: ZEND_API int zend_get_constant(const char *name, uint name_len, zval *result TSRMLS_DC)
! 297: {
! 298: zend_constant *c;
! 299: int retval = 1;
! 300: char *lookup_name;
! 301:
! 302: if (zend_hash_find(EG(zend_constants), name, name_len+1, (void **) &c) == FAILURE) {
! 303: lookup_name = zend_str_tolower_dup(name, name_len);
! 304:
! 305: if (zend_hash_find(EG(zend_constants), lookup_name, name_len+1, (void **) &c)==SUCCESS) {
! 306: if (c->flags & CONST_CS) {
! 307: retval=0;
! 308: }
! 309: } else {
! 310: static char haltoff[] = "__COMPILER_HALT_OFFSET__";
! 311:
! 312: if (!EG(in_execution)) {
! 313: retval = 0;
! 314: } else if (name_len == sizeof("__COMPILER_HALT_OFFSET__")-1 &&
! 315: !memcmp(name, "__COMPILER_HALT_OFFSET__", sizeof("__COMPILER_HALT_OFFSET__")-1)) {
! 316: char *cfilename, *haltname;
! 317: int len, clen;
! 318:
! 319: cfilename = zend_get_executed_filename(TSRMLS_C);
! 320: clen = strlen(cfilename);
! 321: /* check for __COMPILER_HALT_OFFSET__ */
! 322: zend_mangle_property_name(&haltname, &len, haltoff,
! 323: sizeof("__COMPILER_HALT_OFFSET__") - 1, cfilename, clen, 0);
! 324: if (zend_hash_find(EG(zend_constants), haltname, len+1, (void **) &c) == SUCCESS) {
! 325: retval = 1;
! 326: } else {
! 327: retval=0;
! 328: }
! 329: pefree(haltname, 0);
! 330: } else {
! 331: retval=0;
! 332: }
! 333: }
! 334: efree(lookup_name);
! 335: }
! 336:
! 337: if (retval) {
! 338: *result = c->value;
! 339: zval_copy_ctor(result);
! 340: Z_SET_REFCOUNT_P(result, 1);
! 341: Z_UNSET_ISREF_P(result);
! 342: }
! 343:
! 344: return retval;
! 345: }
! 346:
! 347: ZEND_API int zend_get_constant_ex(const char *name, uint name_len, zval *result, zend_class_entry *scope, ulong flags TSRMLS_DC)
! 348: {
! 349: zend_constant *c;
! 350: int retval = 1;
! 351: char *colon;
! 352: zend_class_entry *ce = NULL;
! 353: char *class_name;
! 354: zval **ret_constant;
! 355:
! 356: /* Skip leading \\ */
! 357: if (name[0] == '\\') {
! 358: name += 1;
! 359: name_len -= 1;
! 360: }
! 361:
! 362:
! 363: if ((colon = zend_memrchr(name, ':', name_len)) &&
! 364: colon > name && (*(colon - 1) == ':')) {
! 365: int class_name_len = colon - name - 1;
! 366: int const_name_len = name_len - class_name_len - 2;
! 367: char *constant_name = colon + 1;
! 368: char *lcname;
! 369:
! 370: class_name = estrndup(name, class_name_len);
! 371: lcname = zend_str_tolower_dup(class_name, class_name_len);
! 372: if (!scope) {
! 373: if (EG(in_execution)) {
! 374: scope = EG(scope);
! 375: } else {
! 376: scope = CG(active_class_entry);
! 377: }
! 378: }
! 379:
! 380: if (class_name_len == sizeof("self")-1 &&
! 381: !memcmp(lcname, "self", sizeof("self")-1)) {
! 382: if (scope) {
! 383: ce = scope;
! 384: } else {
! 385: zend_error(E_ERROR, "Cannot access self:: when no class scope is active");
! 386: retval = 0;
! 387: }
! 388: efree(lcname);
! 389: } else if (class_name_len == sizeof("parent")-1 &&
! 390: !memcmp(lcname, "parent", sizeof("parent")-1)) {
! 391: if (!scope) {
! 392: zend_error(E_ERROR, "Cannot access parent:: when no class scope is active");
! 393: } else if (!scope->parent) {
! 394: zend_error(E_ERROR, "Cannot access parent:: when current class scope has no parent");
! 395: } else {
! 396: ce = scope->parent;
! 397: }
! 398: efree(lcname);
! 399: } else if (class_name_len == sizeof("static")-1 &&
! 400: !memcmp(lcname, "static", sizeof("static")-1)) {
! 401: if (EG(called_scope)) {
! 402: ce = EG(called_scope);
! 403: } else {
! 404: zend_error(E_ERROR, "Cannot access static:: when no class scope is active");
! 405: }
! 406: efree(lcname);
! 407: } else {
! 408: efree(lcname);
! 409: ce = zend_fetch_class(class_name, class_name_len, flags TSRMLS_CC);
! 410: }
! 411: if (retval && ce) {
! 412: if (zend_hash_find(&ce->constants_table, constant_name, const_name_len+1, (void **) &ret_constant) != SUCCESS) {
! 413: retval = 0;
! 414: if ((flags & ZEND_FETCH_CLASS_SILENT) == 0) {
! 415: zend_error(E_ERROR, "Undefined class constant '%s::%s'", class_name, constant_name);
! 416: }
! 417: }
! 418: } else if (!ce) {
! 419: retval = 0;
! 420: }
! 421: efree(class_name);
! 422: goto finish;
! 423: }
! 424:
! 425: /* non-class constant */
! 426: if ((colon = zend_memrchr(name, '\\', name_len)) != NULL) {
! 427: /* compound constant name */
! 428: int prefix_len = colon - name;
! 429: int const_name_len = name_len - prefix_len - 1;
! 430: char *constant_name = colon + 1;
! 431: char *lcname;
! 432: int found_const = 0;
! 433:
! 434: lcname = zend_str_tolower_dup(name, prefix_len);
! 435: /* Check for namespace constant */
! 436:
! 437: /* Concatenate lowercase namespace name and constant name */
! 438: lcname = erealloc(lcname, prefix_len + 1 + const_name_len + 1);
! 439: lcname[prefix_len] = '\\';
! 440: memcpy(lcname + prefix_len + 1, constant_name, const_name_len + 1);
! 441:
! 442: if (zend_hash_find(EG(zend_constants), lcname, prefix_len + 1 + const_name_len + 1, (void **) &c) == SUCCESS) {
! 443: found_const = 1;
! 444: } else {
! 445: /* try lowercase */
! 446: zend_str_tolower(lcname + prefix_len + 1, const_name_len);
! 447: if (zend_hash_find(EG(zend_constants), lcname, prefix_len + 1 + const_name_len + 1, (void **) &c) == SUCCESS) {
! 448: if ((c->flags & CONST_CS) == 0) {
! 449: found_const = 1;
! 450: }
! 451: }
! 452: }
! 453: efree(lcname);
! 454: if(found_const) {
! 455: *result = c->value;
! 456: zval_update_constant_ex(&result, (void*)1, NULL TSRMLS_CC);
! 457: zval_copy_ctor(result);
! 458: Z_SET_REFCOUNT_P(result, 1);
! 459: Z_UNSET_ISREF_P(result);
! 460: return 1;
! 461: }
! 462: /* name requires runtime resolution, need to check non-namespaced name */
! 463: if ((flags & IS_CONSTANT_UNQUALIFIED) != 0) {
! 464: name = constant_name;
! 465: name_len = const_name_len;
! 466: return zend_get_constant(name, name_len, result TSRMLS_CC);
! 467: }
! 468: retval = 0;
! 469: finish:
! 470: if (retval) {
! 471: zval_update_constant_ex(ret_constant, (void*)1, ce TSRMLS_CC);
! 472: *result = **ret_constant;
! 473: zval_copy_ctor(result);
! 474: INIT_PZVAL(result);
! 475: }
! 476:
! 477: return retval;
! 478: }
! 479:
! 480: return zend_get_constant(name, name_len, result TSRMLS_CC);
! 481: }
! 482:
! 483: ZEND_API int zend_register_constant(zend_constant *c TSRMLS_DC)
! 484: {
! 485: char *lowercase_name = NULL;
! 486: char *name;
! 487: int ret = SUCCESS;
! 488:
! 489: #if 0
! 490: printf("Registering constant for module %d\n", c->module_number);
! 491: #endif
! 492:
! 493: if (!(c->flags & CONST_CS)) {
! 494: /* keep in mind that c->name_len already contains the '\0' */
! 495: lowercase_name = estrndup(c->name, c->name_len-1);
! 496: zend_str_tolower(lowercase_name, c->name_len-1);
! 497: name = lowercase_name;
! 498: } else {
! 499: char *slash = strrchr(c->name, '\\');
! 500: if(slash) {
! 501: lowercase_name = estrndup(c->name, c->name_len-1);
! 502: zend_str_tolower(lowercase_name, slash-c->name);
! 503: name = lowercase_name;
! 504: } else {
! 505: name = c->name;
! 506: }
! 507: }
! 508:
! 509: /* Check if the user is trying to define the internal pseudo constant name __COMPILER_HALT_OFFSET__ */
! 510: if ((c->name_len == sizeof("__COMPILER_HALT_OFFSET__")
! 511: && !memcmp(name, "__COMPILER_HALT_OFFSET__", sizeof("__COMPILER_HALT_OFFSET__")-1))
! 512: || zend_hash_add(EG(zend_constants), name, c->name_len, (void *) c, sizeof(zend_constant), NULL)==FAILURE) {
! 513:
! 514: /* The internal __COMPILER_HALT_OFFSET__ is prefixed by NULL byte */
! 515: if (c->name[0] == '\0' && c->name_len > sizeof("\0__COMPILER_HALT_OFFSET__")
! 516: && memcmp(name, "\0__COMPILER_HALT_OFFSET__", sizeof("\0__COMPILER_HALT_OFFSET__")) == 0) {
! 517: name++;
! 518: }
! 519: zend_error(E_NOTICE,"Constant %s already defined", name);
! 520: free(c->name);
! 521: if (!(c->flags & CONST_PERSISTENT)) {
! 522: zval_dtor(&c->value);
! 523: }
! 524: ret = FAILURE;
! 525: }
! 526: if (lowercase_name) {
! 527: efree(lowercase_name);
! 528: }
! 529: return ret;
! 530: }
! 531:
! 532:
! 533: /*
! 534: * Local variables:
! 535: * tab-width: 4
! 536: * c-basic-offset: 4
! 537: * indent-tabs-mode: t
! 538: * End:
! 539: */
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