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- /*
- * Error message information
- *
- * Copyright The Mbed TLS Contributors
- * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- *
- * This file is provided under the Apache License 2.0, or the
- * GNU General Public License v2.0 or later.
- *
- * **********
- * Apache License 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.
- *
- * **********
- *
- * **********
- * GNU General Public License v2.0 or later:
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * **********
- */
- #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"
- #if defined(MBEDTLS_ERROR_C)
- #if defined(MBEDTLS_PLATFORM_C)
- #include "mbedtls/platform.h"
- #else
- #define mbedtls_snprintf snprintf
- #endif
- #include <stdio.h>
- #include <string.h>
- HEADER_INCLUDED
- void 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 code
- HIGH_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 code
- LOW_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 */
- /*
- * 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_C */
- #endif /* MBEDTLS_ERROR_C || MBEDTLS_ERROR_STRERROR_DUMMY */
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