| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123 | /* *  Error message information * *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved *  SPDX-License-Identifier: Apache-2.0 * *  Licensed under the Apache License, Version 2.0 (the "License"); you may *  not use this file except in compliance with the License. *  You may obtain a copy of the License at * *  http://www.apache.org/licenses/LICENSE-2.0 * *  Unless required by applicable law or agreed to in writing, software *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *  See the License for the specific language governing permissions and *  limitations under the License. * *  This file is part of mbed TLS (https://tls.mbed.org) */#if !defined(MBEDTLS_CONFIG_FILE)#include "mbedtls/config.h"#else#include MBEDTLS_CONFIG_FILE#endif#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)#include "mbedtls/error.h"#include <string.h>#endif#if defined(MBEDTLS_PLATFORM_C)#include "mbedtls/platform.h"#else#define mbedtls_snprintf snprintf#define mbedtls_time_t   time_t#endif#if defined(MBEDTLS_ERROR_C)#include <stdio.h>HEADER_INCLUDEDvoid mbedtls_strerror( int ret, char *buf, size_t buflen ){    size_t len;    int use_ret;    if( buflen == 0 )        return;    memset( buf, 0x00, buflen );    if( ret < 0 )        ret = -ret;    if( ret & 0xFF80 )    {        use_ret = ret & 0xFF80;        // High level error codes        //        // BEGIN generated codeHIGH_LEVEL_CODE_CHECKS        // END generated code        if( strlen( buf ) == 0 )            mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );    }    use_ret = ret & ~0xFF80;    if( use_ret == 0 )        return;    // If high level code is present, make a concatenation between both    // error strings.    //    len = strlen( buf );    if( len > 0 )    {        if( buflen - len < 5 )            return;        mbedtls_snprintf( buf + len, buflen - len, " : " );        buf += len + 3;        buflen -= len + 3;    }    // Low level error codes    //    // BEGIN generated codeLOW_LEVEL_CODE_CHECKS    // END generated code    if( strlen( buf ) != 0 )        return;    mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );}#else /* MBEDTLS_ERROR_C */#if defined(MBEDTLS_ERROR_STRERROR_DUMMY)/* * Provide an non-function in case MBEDTLS_ERROR_C is not defined */void mbedtls_strerror( int ret, char *buf, size_t buflen ){    ((void) ret);    if( buflen > 0 )        buf[0] = '\0';}#endif /* MBEDTLS_ERROR_STRERROR_DUMMY */#endif /* MBEDTLS_ERROR_C */
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