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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /* * Copyright (c) 2018-2023 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _MALLOC_UNDERSCORE_MALLOC_H_ #define _MALLOC_UNDERSCORE_MALLOC_H_ /* * This header is included from <stdlib.h>, so the contents of this file have * broad source compatibility and POSIX conformance implications. * Be cautious about what is included and declared here. */ #include <Availability.h> #include <sys/cdefs.h> #if __has_include(<sys/_types/_size_t.h>) #include <sys/_types/_size_t.h> #else #define __need_size_t #include <stddef.h> #undef __need_size_t #endif #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) #include <malloc/_malloc_type.h> #else #define _MALLOC_TYPED(override, type_param_pos) #endif #include <malloc/_ptrcheck.h> __ptrcheck_abi_assume_single() __BEGIN_DECLS void * __sized_by_or_null(__size) malloc(size_t __size) __result_use_check __alloc_size(1) _MALLOC_TYPED(malloc_type_malloc, 1); void * __sized_by_or_null(__count * __size) calloc(size_t __count, size_t __size) __result_use_check __alloc_size(1,2) _MALLOC_TYPED(malloc_type_calloc, 2); void free(void * __unsafe_indexable); void * __sized_by_or_null(__size) realloc(void * __unsafe_indexable __ptr, size_t __size) __result_use_check __alloc_size(2) _MALLOC_TYPED(malloc_type_realloc, 2); #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) void * __sized_by_or_null(__size) reallocf(void * __unsafe_indexable __ptr, size_t __size) __result_use_check __alloc_size(2); void * __sized_by_or_null(__size) valloc(size_t __size) __result_use_check __alloc_size(1) _MALLOC_TYPED(malloc_type_valloc, 1); #endif /* !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */ #if (defined(__DARWIN_C_LEVEL) && defined(__DARWIN_C_FULL) && __DARWIN_C_LEVEL >= __DARWIN_C_FULL) || \ (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \ (defined(__cplusplus) && __cplusplus >= 201703L) void * __sized_by_or_null(__size) aligned_alloc(size_t __alignment, size_t __size) __result_use_check __alloc_align(1) __alloc_size(2) _MALLOC_TYPED(malloc_type_aligned_alloc, 2) __OSX_AVAILABLE(10.15) __IOS_AVAILABLE(13.0) __TVOS_AVAILABLE(13.0) __WATCHOS_AVAILABLE(6.0); #endif /* rdar://120689514 */ int posix_memalign(void * __unsafe_indexable *__memptr, size_t __alignment, size_t __size) _MALLOC_TYPED(malloc_type_posix_memalign, 3) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0); #if defined(_MALLOC_TYPE_MALLOC_IS_BACKDEPLOYING) && _MALLOC_TYPE_MALLOC_IS_BACKDEPLOYING static void * __sized_by_or_null(size) __attribute__((always_inline)) malloc_type_malloc_backdeploy(size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(1) { __attribute__((weak_import)) void * __sized_by_or_null(size) malloc_type_malloc(size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(1); __auto_type func = malloc; if (malloc_type_malloc) { return malloc_type_malloc(size, type_id); } return func(size); } static void * __sized_by_or_null(count * size) __attribute__((always_inline)) malloc_type_calloc_backdeploy(size_t count, size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(1,2) { __attribute__((weak_import)) void * __sized_by_or_null(count * size) malloc_type_calloc(size_t count, size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(1,2); __auto_type func = calloc; if (malloc_type_calloc) { return malloc_type_calloc(count, size, type_id); } return func(count, size); } static void __attribute__((always_inline)) malloc_type_free_backdeploy(void * __unsafe_indexable ptr, malloc_type_id_t type_id) { __attribute__((weak_import)) void malloc_type_free(void * __unsafe_indexable ptr, malloc_type_id_t type_id); __auto_type func = free; if (malloc_type_free) { malloc_type_free(ptr, type_id); } else { func(ptr); } } static void * __sized_by_or_null(size) __attribute__((always_inline)) malloc_type_realloc_backdeploy(void * __unsafe_indexable ptr, size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(2) { __attribute__((weak_import)) void * __sized_by_or_null(size) malloc_type_realloc(void * __unsafe_indexable ptr, size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(2); __auto_type func = realloc; if (malloc_type_realloc) { return malloc_type_realloc(ptr, size, type_id); } return func(ptr, size); } static void * __sized_by_or_null(size) __attribute__((always_inline)) malloc_type_valloc_backdeploy(size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(1) { __attribute__((weak_import)) void * __sized_by_or_null(size) malloc_type_valloc(size_t size, malloc_type_id_t type_id) __result_use_check __alloc_size(1); __auto_type func = valloc; if (malloc_type_valloc) { return malloc_type_valloc(size, type_id); } return func(size); } #if (defined(__DARWIN_C_LEVEL) && defined(__DARWIN_C_FULL) && __DARWIN_C_LEVEL >= __DARWIN_C_FULL) || \ (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \ (defined(__cplusplus) && __cplusplus >= 201703L) static void * __sized_by_or_null(size) __attribute__((always_inline)) malloc_type_aligned_alloc_backdeploy(size_t alignment, size_t size, malloc_type_id_t type_id) __result_use_check __alloc_align(1) __alloc_size(2) { __attribute__((weak_import)) void * __sized_by_or_null(size) malloc_type_aligned_alloc(size_t alignment, size_t size, malloc_type_id_t type_id) __result_use_check __alloc_align(1) __alloc_size(2); __auto_type func = aligned_alloc; if (malloc_type_aligned_alloc) { return malloc_type_aligned_alloc(alignment, size, type_id); } return func(alignment, size); } #endif static int __attribute__((always_inline)) malloc_type_posix_memalign_backdeploy(void * __unsafe_indexable *memptr, size_t alignment, size_t size, malloc_type_id_t type_id) { __attribute__((weak_import)) int malloc_type_posix_memalign(void * __unsafe_indexable *memptr, size_t alignment, size_t size, malloc_type_id_t type_id); __auto_type func = posix_memalign; if (malloc_type_posix_memalign) { return malloc_type_posix_memalign(memptr, alignment, size, type_id); } return func(memptr, alignment, size); } #endif __END_DECLS #endif /* _MALLOC_UNDERSCORE_MALLOC_H_ */ |