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Diffstat (limited to 'include/mbedtls/memory_buffer_alloc.h')
| -rw-r--r-- | include/mbedtls/memory_buffer_alloc.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/include/mbedtls/memory_buffer_alloc.h b/include/mbedtls/memory_buffer_alloc.h deleted file mode 100644 index b527d9b..0000000 --- a/include/mbedtls/memory_buffer_alloc.h +++ /dev/null @@ -1,142 +0,0 @@ -/** - * \file memory_buffer_alloc.h - * - * \brief Buffer-based memory allocator - */ -/* - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later - */ -#ifndef MBEDTLS_MEMORY_BUFFER_ALLOC_H -#define MBEDTLS_MEMORY_BUFFER_ALLOC_H - -#include "mbedtls/build_info.h" - -#include <stddef.h> - -/** - * \name SECTION: Module settings - * - * The configuration options you can set for this module are in this section. - * Either change them in mbedtls_config.h or define them on the compiler command line. - * \{ - */ - -#if !defined(MBEDTLS_MEMORY_ALIGN_MULTIPLE) -#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */ -#endif - -/** \} name SECTION: Module settings */ - -#define MBEDTLS_MEMORY_VERIFY_NONE 0 -#define MBEDTLS_MEMORY_VERIFY_ALLOC (1 << 0) -#define MBEDTLS_MEMORY_VERIFY_FREE (1 << 1) -#define MBEDTLS_MEMORY_VERIFY_ALWAYS (MBEDTLS_MEMORY_VERIFY_ALLOC | \ - MBEDTLS_MEMORY_VERIFY_FREE) - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * \brief Initialize use of stack-based memory allocator. - * The stack-based allocator does memory management inside the - * presented buffer and does not call calloc() and free(). - * It sets the global mbedtls_calloc() and mbedtls_free() pointers - * to its own functions. - * (Provided mbedtls_calloc() and mbedtls_free() are thread-safe if - * MBEDTLS_THREADING_C is defined) - * - * \note This code is not optimized and provides a straight-forward - * implementation of a stack-based memory allocator. - * - * \param buf buffer to use as heap - * \param len size of the buffer - */ -void mbedtls_memory_buffer_alloc_init(unsigned char *buf, size_t len); - -/** - * \brief Free the mutex for thread-safety and clear remaining memory - */ -void mbedtls_memory_buffer_alloc_free(void); - -/** - * \brief Determine when the allocator should automatically verify the state - * of the entire chain of headers / meta-data. - * (Default: MBEDTLS_MEMORY_VERIFY_NONE) - * - * \param verify One of MBEDTLS_MEMORY_VERIFY_NONE, MBEDTLS_MEMORY_VERIFY_ALLOC, - * MBEDTLS_MEMORY_VERIFY_FREE or MBEDTLS_MEMORY_VERIFY_ALWAYS - */ -void mbedtls_memory_buffer_set_verify(int verify); - -#if defined(MBEDTLS_MEMORY_DEBUG) -/** - * \brief Print out the status of the allocated memory (primarily for use - * after a program should have de-allocated all memory) - * Prints out a list of 'still allocated' blocks and their stack - * trace if MBEDTLS_MEMORY_BACKTRACE is defined. - */ -void mbedtls_memory_buffer_alloc_status(void); - -/** - * \brief Get the number of alloc/free so far. - * - * \param alloc_count Number of allocations. - * \param free_count Number of frees. - */ -void mbedtls_memory_buffer_alloc_count_get(size_t *alloc_count, size_t *free_count); - -/** - * \brief Get the peak heap usage so far - * - * \param max_used Peak number of bytes in use or committed. This - * includes bytes in allocated blocks too small to split - * into smaller blocks but larger than the requested size. - * \param max_blocks Peak number of blocks in use, including free and used - */ -void mbedtls_memory_buffer_alloc_max_get(size_t *max_used, size_t *max_blocks); - -/** - * \brief Reset peak statistics - */ -void mbedtls_memory_buffer_alloc_max_reset(void); - -/** - * \brief Get the current heap usage - * - * \param cur_used Current number of bytes in use or committed. This - * includes bytes in allocated blocks too small to split - * into smaller blocks but larger than the requested size. - * \param cur_blocks Current number of blocks in use, including free and used - */ -void mbedtls_memory_buffer_alloc_cur_get(size_t *cur_used, size_t *cur_blocks); -#endif /* MBEDTLS_MEMORY_DEBUG */ - -/** - * \brief Verifies that all headers in the memory buffer are correct - * and contain sane values. Helps debug buffer-overflow errors. - * - * Prints out first failure if MBEDTLS_MEMORY_DEBUG is defined. - * Prints out full header information if MBEDTLS_MEMORY_DEBUG - * is defined. (Includes stack trace information for each block if - * MBEDTLS_MEMORY_BACKTRACE is defined as well). - * - * \return 0 if verified, 1 otherwise - */ -int mbedtls_memory_buffer_alloc_verify(void); - -#if defined(MBEDTLS_SELF_TEST) -/** - * \brief Checkup routine - * - * \return 0 if successful, or 1 if a test failed - */ -int mbedtls_memory_buffer_alloc_self_test(int verbose); -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* memory_buffer_alloc.h */ |