2025-09-16 21:15:13 +01:00

142 lines
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C++
Vendored

/*
* 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_ */