1 /* internal.h 2 3 Internal definitions used by Expat. This is not needed to compile 4 client code. 5 6 The following calling convention macros are defined for frequently 7 called functions: 8 9 inline - Used for selected internal functions for which inlining 10 may improve performance on some platforms. 11 12 Note: Use of these macros is based on judgement, not hard rules, 13 and therefore subject to change. 14 __ __ _ 15 ___\ \/ /_ __ __ _| |_ 16 / _ \\ /| '_ \ / _` | __| 17 | __// \| |_) | (_| | |_ 18 \___/_/\_\ .__/ \__,_|\__| 19 |_| XML parser 20 21 Copyright (c) 2002-2003 Fred L. Drake, Jr. <fdrake@users.sourceforge.net> 22 Copyright (c) 2002-2006 Karl Waclawek <karl@waclawek.net> 23 Copyright (c) 2003 Greg Stein <gstein@users.sourceforge.net> 24 Copyright (c) 2016-2026 Sebastian Pipping <sebastian@pipping.org> 25 Copyright (c) 2018 Yury Gribov <tetra2005@gmail.com> 26 Copyright (c) 2019 David Loffredo <loffredo@steptools.com> 27 Copyright (c) 2023-2024 Sony Corporation / Snild Dolkow <snild@sony.com> 28 Copyright (c) 2024 Taichi Haradaguchi <20001722@ymail.ne.jp> 29 Copyright (c) 2026 Matthew Wozniczka <mattheww@simba.com> 30 Copyright (c) 2026 Braian Plaku <braianplaku@gmail.com> 31 Copyright (c) 2026 Florian Schmaus <florian.schmaus@codasip.com> 32 Licensed under the MIT license: 33 34 Permission is hereby granted, free of charge, to any person obtaining 35 a copy of this software and associated documentation files (the 36 "Software"), to deal in the Software without restriction, including 37 without limitation the rights to use, copy, modify, merge, publish, 38 distribute, sublicense, and/or sell copies of the Software, and to permit 39 persons to whom the Software is furnished to do so, subject to the 40 following conditions: 41 42 The above copyright notice and this permission notice shall be included 43 in all copies or substantial portions of the Software. 44 45 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 46 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 47 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 48 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 49 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 50 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 51 USE OR OTHER DEALINGS IN THE SOFTWARE. 52 53 SPDX-License-Identifier: MIT 54 */ 55 56 #if ! defined(INTERNAL_H) 57 # define INTERNAL_H 1 58 59 # if ! defined(inline) 60 # ifdef __GNUC__ 61 # define inline __inline 62 # endif /* __GNUC__ */ 63 # endif 64 65 # ifndef inline 66 # define inline 67 # endif 68 69 # if ! defined(XML_NONTESTING_STATIC) 70 # if defined(XML_TESTING) 71 # define XML_NONTESTING_STATIC // empty i.e. not static 72 # else 73 # define XML_NONTESTING_STATIC static 74 # endif 75 # endif 76 77 # include <limits.h> // ULONG_MAX 78 # include <stddef.h> // size_t 79 80 # if defined(_WIN32) \ 81 && (! defined(__USE_MINGW_ANSI_STDIO) \ 82 || (1 - __USE_MINGW_ANSI_STDIO - 1 == 0)) 83 # define EXPAT_FMT_LLX(midpart) "%" midpart "I64x" 84 # define EXPAT_FMT_ULL(midpart) "%" midpart "I64u" 85 # if defined(_WIN64) // Note: modifiers "td" and "zu" do not work for MinGW 86 # define EXPAT_FMT_PTRDIFF_T(midpart) "%" midpart "I64d" 87 # define EXPAT_FMT_SIZE_T(midpart) "%" midpart "I64u" 88 # else 89 # define EXPAT_FMT_PTRDIFF_T(midpart) "%" midpart "d" 90 # define EXPAT_FMT_SIZE_T(midpart) "%" midpart "u" 91 # endif 92 # else 93 # include <inttypes.h> // PRIdPTR, PRIuPTR 94 # define EXPAT_FMT_LLX(midpart) "%" midpart "llx" 95 # define EXPAT_FMT_ULL(midpart) "%" midpart "llu" 96 # define EXPAT_FMT_PTRDIFF_T(midpart) "%" midpart PRIdPTR 97 # define EXPAT_FMT_SIZE_T(midpart) "%" midpart PRIuPTR 98 # endif 99 100 # ifndef UNUSED_P 101 # define UNUSED_P(p) (void)p 102 # endif 103 104 /* NOTE BEGIN If you ever patch these defaults to greater values 105 for non-attack XML payload in your environment, 106 please file a bug report with libexpat. Thank you! 107 */ 108 # define EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_MAXIMUM_AMPLIFICATION_DEFAULT \ 109 100.0f 110 # define EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_ACTIVATION_THRESHOLD_DEFAULT \ 111 8388608 // 8 MiB, 2^23 112 113 # define EXPAT_ALLOC_TRACKER_MAXIMUM_AMPLIFICATION_DEFAULT 100.0f 114 # define EXPAT_ALLOC_TRACKER_ACTIVATION_THRESHOLD_DEFAULT \ 115 67108864 // 64 MiB, 2^26 116 117 // NOTE: If function expat_alloc was user facing, EXPAT_MALLOC_ALIGNMENT would 118 // have to take sizeof(long double) into account 119 union expat_align { 120 long long l; 121 void *p; 122 }; 123 # define EXPAT_MALLOC_ALIGNMENT sizeof(union expat_align) 124 # define EXPAT_MALLOC_PADDING ((EXPAT_MALLOC_ALIGNMENT) - sizeof(size_t)) 125 126 /* NOTE END */ 127 128 # include "expat.h" // so we can use type XML_Parser below 129 130 void _INTERNAL_trim_to_complete_utf8_characters(const char *from, 131 const char **fromLimRef); 132 133 # if defined(XML_GE) && XML_GE == 1 134 unsigned long long testingAccountingGetCountBytesDirect(XML_Parser parser); 135 unsigned long long testingAccountingGetCountBytesIndirect(XML_Parser parser); 136 const char *unsignedCharToPrintable(unsigned char c); 137 # endif 138 139 extern 140 # if ! defined(XML_TESTING) 141 const 142 # endif 143 XML_Bool g_reparseDeferralEnabledDefault; // written ONLY in runtests.c 144 # if defined(XML_TESTING) 145 146 int xmlSetHashSalt(XML_Parser parser, unsigned long hash_salt); 147 148 void *expat_malloc(XML_Parser parser, size_t size, int sourceLine); 149 void expat_free(XML_Parser parser, void *ptr, int sourceLine); 150 void *expat_realloc(XML_Parser parser, void *ptr, size_t size, int sourceLine); 151 extern unsigned int g_bytesScanned; // used for testing only 152 # endif 153 154 #endif // not defined INTERNAL_H 155