--- /dev/null
- (d)->c = SMART_STRING_REALLOC((d)->c, (d)->a + 1, (what))
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 7 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2017 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: Sascha Schumann <sascha@schumann.cx> |
+ | Xinchen Hui <laruence@php.net> |
+ +----------------------------------------------------------------------+
+ */
+
+/* $Id$ */
+
+#ifndef PHP_SMART_STRING_H
+#define PHP_SMART_STRING_H
+
+#include "zend_smart_string_public.h"
+
+#include <stdlib.h>
+#ifndef SMART_STR_USE_REALLOC
+#include <zend.h>
+#endif
+
+#ifndef SMART_STRING_PREALLOC
+#define SMART_STRING_PREALLOC 128
+#endif
+
+#ifndef SMART_STRING_START_SIZE
+#define SMART_STRING_START_SIZE 78
+#endif
+
+#ifdef SMART_STRING_USE_REALLOC
+#define SMART_STRING_REALLOC(a,b,c) realloc((a),(b))
+#else
+#define SMART_STRING_REALLOC(a,b,c) perealloc((a),(b),(c))
+#endif
+
+#define SMART_STRING_DO_REALLOC(d, what) \
++ (d)->c = (char *) SMART_STRING_REALLOC((d)->c, (d)->a + 1, (what))
+
+/* wrapper */
+
+#define smart_string_appends_ex(str, src, what) \
+ smart_string_appendl_ex((str), (src), strlen(src), (what))
+#define smart_string_appends(str, src) \
+ smart_string_appendl((str), (src), strlen(src))
+#define smart_string_append_ex(str, src, what) \
+ smart_string_appendl_ex((str), ((smart_string *)(src))->c, \
+ ((smart_string *)(src))->len, (what));
+#define smart_string_sets(str, src) \
+ smart_string_setl((str), (src), strlen(src));
+
+#define smart_string_appendc(str, c) \
+ smart_string_appendc_ex((str), (c), 0)
+#define smart_string_free(s) \
+ smart_string_free_ex((s), 0)
+#define smart_string_appendl(str, src, len) \
+ smart_string_appendl_ex((str), (src), (len), 0)
+#define smart_string_append(str, src) \
+ smart_string_append_ex((str), (src), 0)
+#define smart_string_append_long(str, val) \
+ smart_string_append_long_ex((str), (val), 0)
+#define smart_string_append_unsigned(str, val) \
+ smart_string_append_unsigned_ex((str), (val), 0)
+
+static zend_always_inline size_t smart_string_alloc(smart_string *str, size_t len, zend_bool persistent) {
+ if (!str->c) {
+ str->len = 0;
+ str->a = len < SMART_STRING_START_SIZE
+ ? SMART_STRING_START_SIZE
+ : len + SMART_STRING_PREALLOC;
+ SMART_STRING_DO_REALLOC(str, persistent);
+ return len;
+ } else {
+ if (UNEXPECTED((size_t) len > SIZE_MAX - str->len)) {
+ zend_error(E_ERROR, "String size overflow");
+ }
+ len += str->len;
+ if (UNEXPECTED(len >= str->a)) {
+ str->a = len + SMART_STRING_PREALLOC;
+ SMART_STRING_DO_REALLOC(str, persistent);
+ }
+ }
+ return len;
+}
+
+static zend_always_inline void smart_string_free_ex(smart_string *str, zend_bool persistent) {
+ if (str->c) {
+ pefree(str->c, persistent);
+ str->c = NULL;
+ }
+ str->a = str->len = 0;
+}
+
+static zend_always_inline void smart_string_0(smart_string *str) {
+ if (str->c) {
+ str->c[str->len] = '\0';
+ }
+}
+
+static zend_always_inline void smart_string_appendc_ex(smart_string *dest, char ch, zend_bool persistent) {
+ dest->len = smart_string_alloc(dest, 1, persistent);
+ dest->c[dest->len - 1] = ch;
+}
+
+static zend_always_inline void smart_string_appendl_ex(smart_string *dest, const char *str, size_t len, zend_bool persistent) {
+ size_t new_len = smart_string_alloc(dest, len, persistent);
+ memcpy(dest->c + dest->len, str, len);
+ dest->len = new_len;
+
+}
+
+static zend_always_inline void smart_string_append_long_ex(smart_string *dest, zend_long num, zend_bool persistent) {
+ char buf[32];
+ char *result = zend_print_long_to_buf(buf + sizeof(buf) - 1, num);
+ smart_string_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
+}
+
+static zend_always_inline void smart_string_append_unsigned_ex(smart_string *dest, zend_ulong num, zend_bool persistent) {
+ char buf[32];
+ char *result = zend_print_ulong_to_buf(buf + sizeof(buf) - 1, num);
+ smart_string_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent);
+}
+
+static zend_always_inline void smart_string_setl(smart_string *dest, char *src, size_t len) {
+ dest->len = len;
+ dest->a = len + 1;
+ dest->c = src;
+}
+
+#endif