PAL.C.T MINI SHELL
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Dmitry Stogov <dmitry@zend.com> |
+----------------------------------------------------------------------+
*/
#include <zend.h>
#include "zend_smart_str_public.h"
#define SMART_STR_OVERHEAD (ZEND_MM_OVERHEAD + _ZSTR_HEADER_SIZE)
#ifndef SMART_STR_PAGE
# define SMART_STR_PAGE 4096
#endif
#ifndef SMART_STR_START_SIZE
# define SMART_STR_START_SIZE (256 - SMART_STR_OVERHEAD - 1)
#endif
#define SMART_STR_NEW_SIZE(len) \
(((len + SMART_STR_OVERHEAD + SMART_STR_PAGE) & ~(SMART_STR_PAGE - 1)) - SMART_STR_OVERHEAD - 1)
ZEND_API void ZEND_FASTCALL smart_str_erealloc(smart_str *str, size_t len)
{
if (UNEXPECTED(!str->s)) {
str->a = len < SMART_STR_START_SIZE
? SMART_STR_START_SIZE
: SMART_STR_NEW_SIZE(len);
str->s = zend_string_alloc(str->a, 0);
ZSTR_LEN(str->s) = 0;
} else {
str->a = SMART_STR_NEW_SIZE(len);
str->s = (zend_string *) erealloc2(str->s, _ZSTR_HEADER_SIZE + str->a + 1, _ZSTR_HEADER_SIZE + ZSTR_LEN(str->s) + 1);
}
}
ZEND_API void ZEND_FASTCALL smart_str_realloc(smart_str *str, size_t len)
{
if (UNEXPECTED(!str->s)) {
str->a = len < SMART_STR_START_SIZE
? SMART_STR_START_SIZE
: SMART_STR_NEW_SIZE(len);
str->s = zend_string_alloc(str->a, 1);
ZSTR_LEN(str->s) = 0;
} else {
str->a = SMART_STR_NEW_SIZE(len);
str->s = (zend_string *) realloc(str->s, _ZSTR_HEADER_SIZE + str->a + 1);
}
}
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