name : zend_smart_str.h /* +----------------------------------------------------------------------+ | 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> | +----------------------------------------------------------------------+ */ #ifndef ZEND_SMART_STR_H #define ZEND_SMART_STR_H #include <zend.h> #include "zend_smart_str_public.h" #define smart_str_appends_ex(dest, src, what) \ smart_str_appendl_ex((dest), (src), strlen(src), (what)) #define smart_str_appends(dest, src) \ smart_str_appendl((dest), (src), strlen(src)) #define smart_str_appendc(dest, c) \ smart_str_appendc_ex((dest), (c), 0) #define smart_str_appendl(dest, src, len) \ smart_str_appendl_ex((dest), (src), (len), 0) #define smart_str_append(dest, src) \ smart_str_append_ex((dest), (src), 0) #define smart_str_append_smart_str(dest, src) \ smart_str_append_smart_str_ex((dest), (src), 0) #define smart_str_sets(dest, src) \ smart_str_setl((dest), (src), strlen(src)); #define smart_str_append_long(dest, val) \ smart_str_append_long_ex((dest), (val), 0) #define smart_str_append_unsigned(dest, val) \ smart_str_append_unsigned_ex((dest), (val), 0) BEGIN_EXTERN_C() ZEND_API void ZEND_FASTCALL smart_str_erealloc(smart_str *str, size_t len); ZEND_API void ZEND_FASTCALL smart_str_realloc(smart_str *str, size_t len); END_EXTERN_C() static zend_always_inline size_t smart_str_alloc(smart_str *str, size_t len, zend_bool persistent) { if (UNEXPECTED(!str->s)) { goto do_smart_str_realloc; } else { len += ZSTR_LEN(str->s); if (UNEXPECTED(len >= str->a)) { do_smart_str_realloc: if (persistent) { smart_str_realloc(str, len); } else { smart_str_erealloc(str, len); } } } return len; } static zend_always_inline void smart_str_free(smart_str *str) { if (str->s) { zend_string_release(str->s); str->s = NULL; } str->a = 0; } static zend_always_inline void smart_str_0(smart_str *str) { if (str->s) { ZSTR_VAL(str->s)[ZSTR_LEN(str->s)] = '\0'; } } static zend_always_inline void smart_str_appendc_ex(smart_str *dest, char ch, zend_bool persistent) { size_t new_len = smart_str_alloc(dest, 1, persistent); ZSTR_VAL(dest->s)[new_len - 1] = ch; ZSTR_LEN(dest->s) = new_len; } static zend_always_inline void smart_str_appendl_ex(smart_str *dest, const char *str, size_t len, zend_bool persistent) { size_t new_len = smart_str_alloc(dest, len, persistent); memcpy(ZSTR_VAL(dest->s) + ZSTR_LEN(dest->s), str, len); ZSTR_LEN(dest->s) = new_len; } static zend_always_inline void smart_str_append_ex(smart_str *dest, const zend_string *src, zend_bool persistent) { smart_str_appendl_ex(dest, ZSTR_VAL(src), ZSTR_LEN(src), persistent); } static zend_always_inline void smart_str_append_smart_str_ex(smart_str *dest, const smart_str *src, zend_bool persistent) { if (src->s && ZSTR_LEN(src->s)) { smart_str_append_ex(dest, src->s, persistent); } } static zend_always_inline void smart_str_append_long_ex(smart_str *dest, zend_long num, zend_bool persistent) { char buf[32]; char *result = zend_print_long_to_buf(buf + sizeof(buf) - 1, num); smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent); } static zend_always_inline void smart_str_append_unsigned_ex(smart_str *dest, zend_ulong num, zend_bool persistent) { char buf[32]; char *result = zend_print_ulong_to_buf(buf + sizeof(buf) - 1, num); smart_str_appendl_ex(dest, result, buf + sizeof(buf) - 1 - result, persistent); } static zend_always_inline void smart_str_setl(smart_str *dest, const char *src, size_t len) { smart_str_free(dest); smart_str_appendl(dest, src, len); } #endif