| /* |
| * fnv1a.h : routines to create checksums derived from FNV-1a |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * ==================================================================== |
| */ |
| |
| #ifndef SVN_LIBSVN_SUBR_FNV1A_H |
| #define SVN_LIBSVN_SUBR_FNV1A_H |
| |
| #include <apr_pools.h> |
| |
| #include "svn_types.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| /* Opaque FNV-1a checksum creation context type. |
| */ |
| typedef struct svn_fnv1a_32__context_t svn_fnv1a_32__context_t; |
| |
| /* Return a new FNV-1a checksum creation context allocated in POOL. |
| */ |
| svn_fnv1a_32__context_t * |
| svn_fnv1a_32__context_create(apr_pool_t *pool); |
| |
| /* Reset the FNV-1a checksum CONTEXT to initial state. |
| */ |
| void |
| svn_fnv1a_32__context_reset(svn_fnv1a_32__context_t *context); |
| |
| /* Feed LEN bytes from DATA into the FNV-1a checksum creation CONTEXT. |
| */ |
| void |
| svn_fnv1a_32__update(svn_fnv1a_32__context_t *context, |
| const void *data, |
| apr_size_t len); |
| |
| /* Return the FNV-1a checksum over all data fed into CONTEXT. |
| */ |
| apr_uint32_t |
| svn_fnv1a_32__finalize(svn_fnv1a_32__context_t *context); |
| |
| |
| /* Opaque modified FNV-1a checksum creation context type. |
| */ |
| typedef struct svn_fnv1a_32x4__context_t svn_fnv1a_32x4__context_t; |
| |
| /* Return a new modified FNV-1a checksum creation context allocated in POOL. |
| */ |
| svn_fnv1a_32x4__context_t * |
| svn_fnv1a_32x4__context_create(apr_pool_t *pool); |
| |
| /* Reset the modified FNV-1a checksum CONTEXT to initial state. |
| */ |
| void |
| svn_fnv1a_32x4__context_reset(svn_fnv1a_32x4__context_t *context); |
| |
| /* Feed LEN bytes from DATA into the modified FNV-1a checksum creation |
| * CONTEXT. |
| */ |
| void |
| svn_fnv1a_32x4__update(svn_fnv1a_32x4__context_t *context, |
| const void *data, |
| apr_size_t len); |
| |
| /* Return the modified FNV-1a checksum over all data fed into CONTEXT. |
| */ |
| apr_uint32_t |
| svn_fnv1a_32x4__finalize(svn_fnv1a_32x4__context_t *context); |
| |
| /* Set HASHES to the 4 partial hash sums produced by the modified FVN-1a |
| * over INPUT of LEN bytes. |
| */ |
| void |
| svn__fnv1a_32x4_raw(apr_uint32_t hashes[4], |
| const void *input, |
| apr_size_t len); |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #endif /* SVN_LIBSVN_SUBR_FNV1A_H */ |