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zend_smart_string.h
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/* +----------------------------------------------------------------------+ | PHP Version 7 | +----------------------------------------------------------------------+ | Copyright (c) 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> | +----------------------------------------------------------------------+ */ #ifndef PHP_SMART_STRING_H #define PHP_SMART_STRING_H #include "zend_smart_string_public.h" #include <stdlib.h> #include <zend.h> /* 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) ZEND_API void ZEND_FASTCALL _smart_string_alloc_persistent(smart_string *str, size_t len); ZEND_API void ZEND_FASTCALL _smart_string_alloc(smart_string *str, size_t len); static zend_always_inline size_t smart_string_alloc(smart_string *str, size_t len, zend_bool persistent) { if (UNEXPECTED(!str->c) || UNEXPECTED(len >= str->a - str->len)) { if (persistent) { _smart_string_alloc_persistent(str, len); } else { _smart_string_alloc(str, len); } } return str->len + 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; } static zend_always_inline void smart_string_reset(smart_string *str) { str->len = 0; } #endif