440 lines
21 KiB
C
440 lines
21 KiB
C
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/* memory.h
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/* submitted by eof */
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/*!
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\file wolfssl/wolfcrypt/memory.h
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*/
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#ifndef WOLFSSL_MEMORY_H
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#define WOLFSSL_MEMORY_H
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#if !defined(STRING_USER) && !defined(WOLFSSL_LINUXKM)
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#include <stdlib.h>
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#endif
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#ifndef WOLF_CRYPT_TYPES_H
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#include <wolfssl/wolfcrypt/types.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef WOLFSSL_FORCE_MALLOC_FAIL_TEST
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WOLFSSL_API void wolfSSL_SetMemFailCount(int memFailCount);
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#endif
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#ifdef OPENSSL_EXTRA
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typedef void *(*wolfSSL_OSSL_Malloc_cb)(size_t, const char *, int);
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typedef void (*wolfSSL_OSSL_Free_cb)(void *, const char *, int);
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typedef void *(*wolfSSL_OSSL_Realloc_cb)(void *, size_t, const char *, int);
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#endif /* OPENSSL_EXTRA */
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#ifdef WOLFSSL_STATIC_MEMORY
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#ifdef WOLFSSL_DEBUG_MEMORY
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typedef void *(*wolfSSL_Malloc_cb)(size_t size, void* heap, int type, const char* func, unsigned int line);
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typedef void (*wolfSSL_Free_cb)(void *ptr, void* heap, int type, const char* func, unsigned int line);
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typedef void *(*wolfSSL_Realloc_cb)(void *ptr, size_t size, void* heap, int type, const char* func, unsigned int line);
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WOLFSSL_API void* wolfSSL_Malloc(size_t size, void* heap, int type, const char* func, unsigned int line);
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WOLFSSL_API void wolfSSL_Free(void *ptr, void* heap, int type, const char* func, unsigned int line);
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WOLFSSL_API void* wolfSSL_Realloc(void *ptr, size_t size, void* heap, int type, const char* func, unsigned int line);
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#else
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typedef void *(*wolfSSL_Malloc_cb)(size_t size, void* heap, int type);
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typedef void (*wolfSSL_Free_cb)(void *ptr, void* heap, int type);
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typedef void *(*wolfSSL_Realloc_cb)(void *ptr, size_t size, void* heap, int type);
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WOLFSSL_API void* wolfSSL_Malloc(size_t size, void* heap, int type);
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WOLFSSL_API void wolfSSL_Free(void *ptr, void* heap, int type);
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WOLFSSL_API void* wolfSSL_Realloc(void *ptr, size_t size, void* heap, int type);
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#endif /* WOLFSSL_DEBUG_MEMORY */
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#else
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#ifdef WOLFSSL_DEBUG_MEMORY
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typedef void *(*wolfSSL_Malloc_cb)(size_t size, const char* func, unsigned int line);
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typedef void (*wolfSSL_Free_cb)(void *ptr, const char* func, unsigned int line);
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typedef void *(*wolfSSL_Realloc_cb)(void *ptr, size_t size, const char* func, unsigned int line);
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/* Public in case user app wants to use XMALLOC/XFREE */
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WOLFSSL_API void* wolfSSL_Malloc(size_t size, const char* func, unsigned int line);
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WOLFSSL_API void wolfSSL_Free(void *ptr, const char* func, unsigned int line);
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WOLFSSL_API void* wolfSSL_Realloc(void *ptr, size_t size, const char* func, unsigned int line);
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#else
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typedef void *(*wolfSSL_Malloc_cb)(size_t size);
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typedef void (*wolfSSL_Free_cb)(void *ptr);
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typedef void *(*wolfSSL_Realloc_cb)(void *ptr, size_t size);
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/* Public in case user app wants to use XMALLOC/XFREE */
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WOLFSSL_API void* wolfSSL_Malloc(size_t size);
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WOLFSSL_API void wolfSSL_Free(void *ptr);
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WOLFSSL_API void* wolfSSL_Realloc(void *ptr, size_t size);
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#endif /* WOLFSSL_DEBUG_MEMORY */
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#endif /* WOLFSSL_STATIC_MEMORY */
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/* Public get/set functions */
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WOLFSSL_API int wolfSSL_SetAllocators(wolfSSL_Malloc_cb mf,
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wolfSSL_Free_cb ff,
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wolfSSL_Realloc_cb rf);
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WOLFSSL_API int wolfSSL_GetAllocators(wolfSSL_Malloc_cb* mf,
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wolfSSL_Free_cb* ff,
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wolfSSL_Realloc_cb* rf);
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#ifdef WOLFSSL_STATIC_MEMORY
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#define WOLFSSL_STATIC_TIMEOUT 1
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#ifndef WOLFSSL_STATIC_ALIGN
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#define WOLFSSL_STATIC_ALIGN 16
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#endif
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#ifndef WOLFMEM_MAX_BUCKETS
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#define WOLFMEM_MAX_BUCKETS 9
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#endif
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#define WOLFMEM_DEF_BUCKETS 9 /* number of default memory blocks */
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#ifndef WOLFMEM_IO_SZ
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#define WOLFMEM_IO_SZ 16992 /* 16 byte aligned */
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#endif
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#ifndef WOLFMEM_BUCKETS
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#ifndef SESSION_CERTS
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/* default size of chunks of memory to separate into */
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#ifndef LARGEST_MEM_BUCKET
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#define LARGEST_MEM_BUCKET 16128
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#endif
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#define WOLFMEM_BUCKETS 64,128,256,512,1024,2432,3456,4544,\
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LARGEST_MEM_BUCKET
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#elif defined (OPENSSL_EXTRA)
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/* extra storage in structs for multiple attributes and order */
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#ifndef LARGEST_MEM_BUCKET
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#ifdef WOLFSSL_TLS13
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#define LARGEST_MEM_BUCKET 30400
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#else
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#define LARGEST_MEM_BUCKET 25600
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#endif
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#endif
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#define WOLFMEM_BUCKETS 64,128,256,512,1024,2432,3360,4480,\
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LARGEST_MEM_BUCKET
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#elif defined (WOLFSSL_CERT_EXT)
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/* certificate extensions requires 24k for the SSL struct */
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#ifndef LARGEST_MEM_BUCKET
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#define LARGEST_MEM_BUCKET 24576
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#endif
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#define WOLFMEM_BUCKETS 64,128,256,512,1024,2432,3456,4544,\
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LARGEST_MEM_BUCKET
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#else
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/* increase 23k for object member of WOLFSSL_X509_NAME_ENTRY */
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#ifndef LARGEST_MEM_BUCKET
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#define LARGEST_MEM_BUCKET 23440
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#endif
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#define WOLFMEM_BUCKETS 64,128,256,512,1024,2432,3456,4544,\
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LARGEST_MEM_BUCKET
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#endif
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#endif
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#ifndef WOLFMEM_DIST
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#ifndef WOLFSSL_STATIC_MEMORY_SMALL
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#define WOLFMEM_DIST 49,10,6,14,5,6,9,1,1
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#else
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/* Low resource and not RSA */
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#define WOLFMEM_DIST 29, 7,6, 9,4,4,0,0,0
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#endif
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#endif
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/* flags for loading static memory (one hot bit) */
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#define WOLFMEM_GENERAL 0x01
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#define WOLFMEM_IO_POOL 0x02
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#define WOLFMEM_IO_POOL_FIXED 0x04
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#define WOLFMEM_TRACK_STATS 0x08
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#ifndef WOLFSSL_MEM_GUARD
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#define WOLFSSL_MEM_GUARD
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typedef struct WOLFSSL_MEM_STATS WOLFSSL_MEM_STATS;
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typedef struct WOLFSSL_MEM_CONN_STATS WOLFSSL_MEM_CONN_STATS;
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#endif
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struct WOLFSSL_MEM_CONN_STATS {
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word32 peakMem; /* peak memory usage */
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word32 curMem; /* current memory usage */
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word32 peakAlloc; /* peak memory allocations */
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word32 curAlloc; /* current memory allocations */
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word32 totalAlloc;/* total memory allocations for lifetime */
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word32 totalFr; /* total frees for lifetime */
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};
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struct WOLFSSL_MEM_STATS {
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word32 curAlloc; /* current memory allocations */
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word32 totalAlloc;/* total memory allocations for lifetime */
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word32 totalFr; /* total frees for lifetime */
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word32 totalUse; /* total amount of memory used in blocks */
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word32 avaIO; /* available IO specific pools */
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word32 maxHa; /* max number of concurrent handshakes allowed */
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word32 maxIO; /* max number of concurrent IO connections allowed */
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word32 blockSz[WOLFMEM_MAX_BUCKETS]; /* block sizes in stacks */
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word32 avaBlock[WOLFMEM_MAX_BUCKETS];/* ava block sizes */
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word32 usedBlock[WOLFMEM_MAX_BUCKETS];
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int flag; /* flag used */
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};
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typedef struct wc_Memory wc_Memory; /* internal structure for mem bucket */
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typedef struct WOLFSSL_HEAP {
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wc_Memory* ava[WOLFMEM_MAX_BUCKETS];
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wc_Memory* io; /* list of buffers to use for IO */
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word32 maxHa; /* max concurrent handshakes */
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word32 curHa;
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word32 maxIO; /* max concurrent IO connections */
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word32 curIO;
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word32 sizeList[WOLFMEM_MAX_BUCKETS];/* memory sizes in ava list */
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word32 distList[WOLFMEM_MAX_BUCKETS];/* general distribution */
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word32 inUse; /* amount of memory currently in use */
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word32 ioUse;
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word32 alloc; /* total number of allocs */
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word32 frAlc; /* total number of frees */
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int flag;
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wolfSSL_Mutex memory_mutex;
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} WOLFSSL_HEAP;
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/* structure passed into XMALLOC as heap hint
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* having this abstraction allows tracking statistics of individual ssl's
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*/
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typedef struct WOLFSSL_HEAP_HINT {
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WOLFSSL_HEAP* memory;
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WOLFSSL_MEM_CONN_STATS* stats; /* hold individual connection stats */
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wc_Memory* outBuf; /* set if using fixed io buffers */
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wc_Memory* inBuf;
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byte haFlag; /* flag used for checking handshake count */
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} WOLFSSL_HEAP_HINT;
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WOLFSSL_API int wc_LoadStaticMemory(WOLFSSL_HEAP_HINT** pHint,
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unsigned char* buf, unsigned int sz, int flag, int max);
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WOLFSSL_LOCAL int wolfSSL_init_memory_heap(WOLFSSL_HEAP* heap);
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WOLFSSL_LOCAL int wolfSSL_load_static_memory(byte* buffer, word32 sz,
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int flag, WOLFSSL_HEAP* heap);
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WOLFSSL_LOCAL int wolfSSL_GetMemStats(WOLFSSL_HEAP* heap,
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WOLFSSL_MEM_STATS* stats);
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WOLFSSL_LOCAL int SetFixedIO(WOLFSSL_HEAP* heap, wc_Memory** io);
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WOLFSSL_LOCAL int FreeFixedIO(WOLFSSL_HEAP* heap, wc_Memory** io);
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WOLFSSL_API int wolfSSL_StaticBufferSz(byte* buffer, word32 sz, int flag);
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WOLFSSL_API int wolfSSL_MemoryPaddingSz(void);
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#endif /* WOLFSSL_STATIC_MEMORY */
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#ifdef WOLFSSL_STACK_LOG
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WOLFSSL_API void __attribute__((no_instrument_function))
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__cyg_profile_func_enter(void *func, void *caller);
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WOLFSSL_API void __attribute__((no_instrument_function))
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__cyg_profile_func_exit(void *func, void *caller);
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#endif /* WOLFSSL_STACK_LOG */
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#ifdef WOLFSSL_MEM_FAIL_COUNT
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WOLFSSL_LOCAL void wc_MemFailCount_Init(void);
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WOLFSSL_LOCAL void wc_MemFailCount_Free(void);
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#endif
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#ifdef WOLFSSL_CHECK_MEM_ZERO
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WOLFSSL_LOCAL void wc_MemZero_Init(void);
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WOLFSSL_LOCAL void wc_MemZero_Free(void);
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WOLFSSL_LOCAL void wc_MemZero_Add(const char* name, const void* addr,
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size_t len);
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WOLFSSL_LOCAL void wc_MemZero_Check(void* addr, size_t len);
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#endif
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#ifdef WC_DEBUG_CIPHER_LIFECYCLE
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WOLFSSL_LOCAL int wc_debug_CipherLifecycleInit(void **CipherLifecycleTag,
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void *heap);
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WOLFSSL_LOCAL int wc_debug_CipherLifecycleCheck(void *CipherLifecycleTag,
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int abort_p);
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WOLFSSL_LOCAL int wc_debug_CipherLifecycleFree(void **CipherLifecycleTag,
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void *heap, int abort_p);
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#else
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#define wc_debug_CipherLifecycleInit(CipherLifecycleTag, heap) \
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((void)(CipherLifecycleTag), (void)(heap), 0)
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#define wc_debug_CipherLifecycleCheck(CipherLifecycleTag, abort_p) \
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((void)(CipherLifecycleTag), (void)(abort_p), 0)
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#define wc_debug_CipherLifecycleFree(CipherLifecycleTag, heap, abort_p) \
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((void)(CipherLifecycleTag), (void)(heap), (void)(abort_p), 0)
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#endif
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#ifdef DEBUG_VECTOR_REGISTER_ACCESS
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WOLFSSL_API extern THREAD_LS_T int wc_svr_count;
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WOLFSSL_API extern THREAD_LS_T const char *wc_svr_last_file;
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WOLFSSL_API extern THREAD_LS_T int wc_svr_last_line;
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#ifdef DEBUG_VECTOR_REGISTERS_ABORT_ON_FAIL
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#define DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE abort();
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#elif defined(DEBUG_VECTOR_REGISTERS_EXIT_ON_FAIL)
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#define DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE exit(1);
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#else
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#define DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE
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#endif
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#define SAVE_VECTOR_REGISTERS(fail_clause) { \
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int _svr_ret = wc_debug_vector_registers_retval; \
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if (_svr_ret != 0) { fail_clause } \
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++wc_svr_count; \
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if (wc_svr_count > 5) { \
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fprintf(stderr, \
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("%s @ L%d : incr : " \
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"wc_svr_count %d (last op %s L%d)\n"), \
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__FILE__, \
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__LINE__, \
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wc_svr_count, \
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wc_svr_last_file, \
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wc_svr_last_line); \
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DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
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} \
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wc_svr_last_file = __FILE__; \
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wc_svr_last_line = __LINE__; \
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}
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WOLFSSL_API extern THREAD_LS_T int wc_debug_vector_registers_retval;
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#ifndef WC_DEBUG_VECTOR_REGISTERS_RETVAL_INITVAL
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#define WC_DEBUG_VECTOR_REGISTERS_RETVAL_INITVAL 0
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#endif
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#define WC_DEBUG_SET_VECTOR_REGISTERS_RETVAL(x) do { \
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if (((x) != 0) && (wc_svr_count > 0)) { \
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fprintf(stderr, \
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("%s @ L%d : incr : " \
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"wc_svr_count %d (last op %s L%d)\n"), \
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__FILE__, \
|
||
|
|
__LINE__, \
|
||
|
|
wc_svr_count, \
|
||
|
|
wc_svr_last_file, \
|
||
|
|
wc_svr_last_line); \
|
||
|
|
DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
|
||
|
|
} \
|
||
|
|
wc_debug_vector_registers_retval = (x); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#ifdef DEBUG_VECTOR_REGISTER_ACCESS_FUZZING
|
||
|
|
#ifndef WC_DEBUG_VECTOR_REGISTERS_FUZZING_SEED
|
||
|
|
#define WC_DEBUG_VECTOR_REGISTERS_FUZZING_SEED 0
|
||
|
|
#endif
|
||
|
|
WOLFSSL_LOCAL int SAVE_VECTOR_REGISTERS2_fuzzer(void);
|
||
|
|
|
||
|
|
#define SAVE_VECTOR_REGISTERS2(...) ({ \
|
||
|
|
int _svr2_val = SAVE_VECTOR_REGISTERS2_fuzzer(); \
|
||
|
|
if (_svr2_val == 0) { \
|
||
|
|
++wc_svr_count; \
|
||
|
|
if (wc_svr_count > 5) { \
|
||
|
|
fprintf(stderr, \
|
||
|
|
("%s @ L%d : incr : " \
|
||
|
|
"wc_svr_count %d (last op %s L%d)\n"), \
|
||
|
|
__FILE__, \
|
||
|
|
__LINE__, \
|
||
|
|
wc_svr_count, \
|
||
|
|
wc_svr_last_file, \
|
||
|
|
wc_svr_last_line); \
|
||
|
|
DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
|
||
|
|
} \
|
||
|
|
wc_svr_last_file = __FILE__; \
|
||
|
|
wc_svr_last_line = __LINE__; \
|
||
|
|
_svr2_val = 0; \
|
||
|
|
} \
|
||
|
|
_svr2_val; \
|
||
|
|
})
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define SAVE_VECTOR_REGISTERS2(...) ({ \
|
||
|
|
int _svr2_val; \
|
||
|
|
if (wc_debug_vector_registers_retval != 0) { \
|
||
|
|
if (wc_svr_count > 0) { \
|
||
|
|
fprintf(stderr, \
|
||
|
|
("%s @ L%d : incr : " \
|
||
|
|
"wc_svr_count %d (last op %s L%d)\n"), \
|
||
|
|
__FILE__, \
|
||
|
|
__LINE__, \
|
||
|
|
wc_svr_count, \
|
||
|
|
wc_svr_last_file, \
|
||
|
|
wc_svr_last_line); \
|
||
|
|
DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
|
||
|
|
} \
|
||
|
|
_svr2_val = wc_debug_vector_registers_retval; \
|
||
|
|
} else { \
|
||
|
|
++wc_svr_count; \
|
||
|
|
if (wc_svr_count > 5) { \
|
||
|
|
fprintf(stderr, \
|
||
|
|
("%s @ L%d : incr : " \
|
||
|
|
"wc_svr_count %d (last op %s L%d)\n"), \
|
||
|
|
__FILE__, \
|
||
|
|
__LINE__, \
|
||
|
|
wc_svr_count, \
|
||
|
|
wc_svr_last_file, \
|
||
|
|
wc_svr_last_line); \
|
||
|
|
DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
|
||
|
|
} \
|
||
|
|
wc_svr_last_file = __FILE__; \
|
||
|
|
wc_svr_last_line = __LINE__; \
|
||
|
|
_svr2_val = 0; \
|
||
|
|
} \
|
||
|
|
_svr2_val; \
|
||
|
|
})
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define ASSERT_SAVED_VECTOR_REGISTERS(fail_clause) do { \
|
||
|
|
if (wc_svr_count <= 0) { \
|
||
|
|
fprintf(stderr, \
|
||
|
|
("ASSERT_SAVED_VECTOR_REGISTERS : %s @ L%d : " \
|
||
|
|
"wc_svr_count %d (last op %s L%d)\n"), \
|
||
|
|
__FILE__, \
|
||
|
|
__LINE__, \
|
||
|
|
wc_svr_count, \
|
||
|
|
wc_svr_last_file, \
|
||
|
|
wc_svr_last_line); \
|
||
|
|
DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
|
||
|
|
{ fail_clause } \
|
||
|
|
} \
|
||
|
|
} while (0)
|
||
|
|
#define ASSERT_RESTORED_VECTOR_REGISTERS(fail_clause) do { \
|
||
|
|
if (wc_svr_count != 0) { \
|
||
|
|
fprintf(stderr, \
|
||
|
|
("ASSERT_RESTORED_VECTOR_REGISTERS : %s @ L%d" \
|
||
|
|
" : wc_svr_count %d (last op %s L%d)\n"), \
|
||
|
|
__FILE__, \
|
||
|
|
__LINE__, \
|
||
|
|
wc_svr_count, \
|
||
|
|
wc_svr_last_file, \
|
||
|
|
wc_svr_last_line); \
|
||
|
|
DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
|
||
|
|
{ fail_clause } \
|
||
|
|
} \
|
||
|
|
} while (0)
|
||
|
|
#define RESTORE_VECTOR_REGISTERS(...) do { \
|
||
|
|
--wc_svr_count; \
|
||
|
|
if ((wc_svr_count > 4) || (wc_svr_count < 0)) { \
|
||
|
|
fprintf(stderr, \
|
||
|
|
("%s @ L%d : decr : " \
|
||
|
|
"wc_svr_count %d (last op %s L%d)\n"), \
|
||
|
|
__FILE__, \
|
||
|
|
__LINE__, \
|
||
|
|
wc_svr_count, \
|
||
|
|
wc_svr_last_file, \
|
||
|
|
wc_svr_last_line); \
|
||
|
|
DEBUG_VECTOR_REGISTERS_EXTRA_FAIL_CLAUSE \
|
||
|
|
} \
|
||
|
|
wc_svr_last_file = __FILE__; \
|
||
|
|
wc_svr_last_line = __LINE__; \
|
||
|
|
} while(0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} /* extern "C" */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* WOLFSSL_MEMORY_H */
|