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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Dmitry Stogov <dmitry@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id: $ */
#ifndef ZEND_STRING_H
#define ZEND_STRING_H
#include "zend.h"
BEGIN_EXTERN_C()
ZEND_API extern const char *(*zend_new_interned_string)(const char *str, int len, int free_src TSRMLS_DC);
ZEND_API extern void (*zend_interned_strings_snapshot)(TSRMLS_D);
ZEND_API extern void (*zend_interned_strings_restore)(TSRMLS_D);
void zend_interned_strings_init(TSRMLS_D);
void zend_interned_strings_dtor(TSRMLS_D);
END_EXTERN_C()
#ifndef ZTS
#define IS_INTERNED(s) \
(((s) >= CG(interned_strings_start)) && ((s) < CG(interned_strings_end)))
#else
#define IS_INTERNED(s) \
(0)
#endif
#define INTERNED_LEN(s) \
(((Bucket*)(((char*)(s))-sizeof(Bucket)))->nKeyLength)
#define INTERNED_HASH(s) \
(((Bucket*)(((char*)(s))-sizeof(Bucket)))->h)
#define str_efree(s) do { \
if (!IS_INTERNED(s)) { \
efree((char*)s); \
} \
} while (0)
#define str_efree_rel(s) do { \
if (!IS_INTERNED(s)) { \
efree_rel((char *)s); \
} \
} while (0)
#define str_free(s) do { \
if (!IS_INTERNED(s)) { \
free((char*)s); \
} \
} while (0)
#define str_erealloc(str, new_len) \
(IS_INTERNED(str) \
? _str_erealloc(str, new_len, INTERNED_LEN(str)) \
: erealloc(str, new_len))
static inline char *_str_erealloc(char *str, size_t new_len, size_t old_len) {
char *buf = (char *) emalloc(new_len);
memcpy(buf, str, old_len);
return buf;
}
#define str_estrndup(str, len) \
(IS_INTERNED(str) ? (str) : estrndup((str), (len)))
#define str_strndup(str, len) \
(IS_INTERNED(str) ? (str) : zend_strndup((str), (len)));
#define str_hash(str, len) \
(IS_INTERNED(str) ? INTERNED_HASH(str) : zend_hash_func((str), (len)+1))
#endif /* ZEND_STRING_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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