Improve platform documentation
- Rephrase file/function/parameter/enum/define/error descriptions into full and clear sentences. - Make sure to adhere to the Arm writing guidelines. - Fix missing/incorrect Doxygen tags. - Standardize terminology used within the file. GitHub PR: #1320
This commit is contained in:
Rose Zadik
Jaeden Amero
parent
380d05d7ff
commit
332658d80e
1 changed files with 54 additions and 50 deletions
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@ -1,10 +1,10 @@
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/**
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* \file platform.h
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*
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* \brief mbed TLS Platform abstraction layer
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* \brief The Mbed TLS platform abstraction layer.
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*/
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/*
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* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
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* Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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@ -19,7 +19,7 @@
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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* This file is part of Mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MBEDTLS_PLATFORM_H
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#define MBEDTLS_PLATFORM_H
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@ -52,34 +52,34 @@ extern "C" {
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#include <time.h>
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#if !defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
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#if defined(_WIN32)
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#define MBEDTLS_PLATFORM_STD_SNPRINTF mbedtls_platform_win32_snprintf /**< Default snprintf to use */
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#define MBEDTLS_PLATFORM_STD_SNPRINTF mbedtls_platform_win32_snprintf /**< The default \c snprintf function to use. */
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#else
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#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use */
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#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< The default \c snprintf function to use. */
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#endif
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_PRINTF)
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#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use */
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#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< The default \c printf function to use. */
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_FPRINTF)
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#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
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#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< The default \c fprintf function to use. */
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
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#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use */
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#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< The default \c calloc function to use. */
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_FREE)
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#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use */
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#define MBEDTLS_PLATFORM_STD_FREE free /**< The default \c free function to use. */
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_EXIT)
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#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use */
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#define MBEDTLS_PLATFORM_STD_EXIT exit /**< The default \c exit function to use. */
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_TIME)
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#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use */
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#define MBEDTLS_PLATFORM_STD_TIME time /**< The default \c time function to use. */
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_EXIT_SUCCESS)
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#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS EXIT_SUCCESS /**< Default exit value to use */
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#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS EXIT_SUCCESS /**< The default exit value to use. */
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#endif
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#if !defined(MBEDTLS_PLATFORM_STD_EXIT_FAILURE)
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#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE EXIT_FAILURE /**< Default exit value to use */
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#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE EXIT_FAILURE /**< The default exit value to use. */
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#endif
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#if defined(MBEDTLS_FS_IO)
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#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ)
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@ -116,12 +116,12 @@ extern void * (*mbedtls_calloc)( size_t n, size_t size );
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extern void (*mbedtls_free)( void *ptr );
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/**
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* \brief Set your own memory implementation function pointers
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* \brief This function allows configuring custom memory-management functions.
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*
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* \param calloc_func the calloc function implementation
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* \param free_func the free function implementation
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* \param calloc_func The \c calloc function implementation.
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* \param free_func The \c free function implementation.
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*
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* \return 0 if successful
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* \return \c 0.
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*/
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int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
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void (*free_func)( void * ) );
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@ -140,11 +140,11 @@ int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
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extern int (*mbedtls_fprintf)( FILE *stream, const char *format, ... );
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/**
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* \brief Set your own fprintf function pointer
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* \brief This function allows configuring a custom \p fprintf function pointer.
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*
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* \param fprintf_func the fprintf function implementation
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* \param fprintf_func The \c fprintf function implementation.
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*
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* \return 0
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* \return \c 0.
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*/
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int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
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... ) );
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@ -163,11 +163,12 @@ int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char
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extern int (*mbedtls_printf)( const char *format, ... );
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/**
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* \brief Set your own printf function pointer
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* \brief This function allows configuring a custom \c printf function
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* pointer.
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*
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* \param printf_func the printf function implementation
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* \param printf_func The \c printf function implementation.
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*
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* \return 0
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* \return \c 0 on success.
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*/
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int mbedtls_platform_set_printf( int (*printf_func)( const char *, ... ) );
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#else /* !MBEDTLS_PLATFORM_PRINTF_ALT */
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@ -196,11 +197,12 @@ int mbedtls_platform_win32_snprintf( char *s, size_t n, const char *fmt, ... );
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extern int (*mbedtls_snprintf)( char * s, size_t n, const char * format, ... );
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/**
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* \brief Set your own snprintf function pointer
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* \brief This function allows configuring a custom \c snprintf function
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* pointer.
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*
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* \param snprintf_func the snprintf function implementation
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* \param snprintf_func The \c snprintf function implementation.
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*
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* \return 0
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* \return \c 0 on success.
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*/
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int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
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const char * format, ... ) );
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@ -219,11 +221,12 @@ int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
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extern void (*mbedtls_exit)( int status );
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/**
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* \brief Set your own exit function pointer
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* \brief This function allows configuring a custom \c exit function
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* pointer.
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*
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* \param exit_func the exit function implementation
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* \param exit_func The \c exit function implementation.
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*
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* \return 0
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* \return \c 0 on success.
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*/
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int mbedtls_platform_set_exit( void (*exit_func)( int status ) );
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#else
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@ -266,12 +269,13 @@ extern int (*mbedtls_nv_seed_read)( unsigned char *buf, size_t buf_len );
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extern int (*mbedtls_nv_seed_write)( unsigned char *buf, size_t buf_len );
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/**
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* \brief Set your own seed file writing/reading functions
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* \brief This function allows configuring custom seed file writing and
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* reading functions.
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*
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* \param nv_seed_read_func the seed reading function implementation
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* \param nv_seed_write_func the seed writing function implementation
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* \param nv_seed_read_func The seed reading function implementation.
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* \param nv_seed_write_func The seed writing function implementation.
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*
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* \return 0
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* \return \c 0 on success.
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*/
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int mbedtls_platform_set_nv_seed(
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int (*nv_seed_read_func)( unsigned char *buf, size_t buf_len ),
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@ -292,13 +296,13 @@ int mbedtls_platform_set_nv_seed(
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#if !defined(MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT)
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/**
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* \brief Platform context structure
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* \brief The platform context structure.
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*
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* \note This structure may be used to assist platform-specific
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* setup/teardown operations.
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* setup or teardown operations.
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*/
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typedef struct {
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char dummy; /**< Placeholder member as empty structs are not portable */
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char dummy; /**< Placeholder member, as empty structs are not portable. */
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}
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mbedtls_platform_context;
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@ -307,32 +311,32 @@ mbedtls_platform_context;
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#endif /* !MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT */
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/**
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* \brief Perform any platform initialisation operations
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* \brief This function performs any platform initialization operations.
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*
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* \param ctx mbed TLS context
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* \param ctx The Mbed TLS context.
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*
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* \return 0 if successful
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* \return \c 0 on success.
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*
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* \note This function is intended to allow platform specific initialisation,
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* \note This function is intended to allow platform-specific initialization,
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* and should be called before any other library functions. Its
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* implementation is platform specific, and by default, unless platform
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* specific code is provided, it does nothing.
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* implementation is platform-specific, and unless
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* platform-specific code is provided, it does nothing.
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*
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* Its use and whether its necessary to be called is dependent on the
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* Its use and whether it is necessary to call it is dependent on the
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* platform.
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*/
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int mbedtls_platform_setup( mbedtls_platform_context *ctx );
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/**
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* \brief Perform any platform teardown operations
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* \brief This function performs any platform teardown operations.
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*
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* \param ctx mbed TLS context
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* \param ctx The Mbed TLS context.
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*
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* \note This function should be called after every other mbed TLS module has
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* been correctly freed using the appropriate free function.
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* Its implementation is platform specific, and by default, unless
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* platform specific code is provided, it does nothing.
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* \note This function should be called after every other Mbed TLS module
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* has been correctly freed using the appropriate free function.
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* Its implementation is platform-specific, and unless
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* platform-specific code is provided, it does nothing.
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*
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* Its use and whether its necessary to be called is dependent on the
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* Its use and whether it is necessary to call it is dependent on the
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* platform.
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*/
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void mbedtls_platform_teardown( mbedtls_platform_context *ctx );
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