diff options
Diffstat (limited to 'src/core/lib/slice/slice_hash_table.h')
| -rw-r--r-- | src/core/lib/slice/slice_hash_table.h | 54 |
1 files changed, 26 insertions, 28 deletions
diff --git a/src/core/lib/slice/slice_hash_table.h b/src/core/lib/slice/slice_hash_table.h index 1e61c5eb11..339078fef5 100644 --- a/src/core/lib/slice/slice_hash_table.h +++ b/src/core/lib/slice/slice_hash_table.h @@ -1,32 +1,17 @@ /* - * Copyright 2016, Google Inc. - * All rights reserved. + * Copyright 2016 gRPC authors. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: + * 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 * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. + * http://www.apache.org/licenses/LICENSE-2.0 * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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 GRPC_CORE_LIB_SLICE_SLICE_HASH_TABLE_H @@ -54,11 +39,15 @@ typedef struct grpc_slice_hash_table_entry { } grpc_slice_hash_table_entry; /** Creates a new hash table of containing \a entries, which is an array - of length \a num_entries. Takes ownership of all keys and values in - \a entries. Values will be cleaned up via \a destroy_value(). */ + of length \a num_entries. Takes ownership of all keys and values in \a + entries. Values will be cleaned up via \a destroy_value(). If not NULL, \a + value_cmp will be used to compare values in the context of \a + grpc_slice_hash_table_cmp. If NULL, raw pointer (\a GPR_ICMP) comparison + will be used. */ grpc_slice_hash_table *grpc_slice_hash_table_create( size_t num_entries, grpc_slice_hash_table_entry *entries, - void (*destroy_value)(grpc_exec_ctx *exec_ctx, void *value)); + void (*destroy_value)(grpc_exec_ctx *exec_ctx, void *value), + int (*value_cmp)(void *a, void *b)); grpc_slice_hash_table *grpc_slice_hash_table_ref(grpc_slice_hash_table *table); void grpc_slice_hash_table_unref(grpc_exec_ctx *exec_ctx, @@ -69,4 +58,13 @@ void grpc_slice_hash_table_unref(grpc_exec_ctx *exec_ctx, void *grpc_slice_hash_table_get(const grpc_slice_hash_table *table, const grpc_slice key); +/** Compares \a a vs. \a b. + * A table is considered "smaller" (resp. "greater") if: + * - GPR_ICMP(a->value_cmp, b->value_cmp) < 1 (resp. > 1), + * - else, it contains fewer (resp. more) entries, + * - else, if strcmp(a_key, b_key) < 1 (resp. > 1), + * - else, if value_cmp(a_value, b_value) < 1 (resp. > 1). */ +int grpc_slice_hash_table_cmp(const grpc_slice_hash_table *a, + const grpc_slice_hash_table *b); + #endif /* GRPC_CORE_LIB_SLICE_SLICE_HASH_TABLE_H */ |