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include
apr_optional.h
Go to the documentation of this file.
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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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#ifndef APR_OPTIONAL_H
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#define APR_OPTIONAL_H
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#include "apu.h"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define APR_OPTIONAL_FN_TYPE(name) apr_OFN_##name##_t
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#define APR_DECLARE_OPTIONAL_FN(ret,name,args) \
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typedef ret (APR_OPTIONAL_FN_TYPE(name)) args
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typedef
void (
apr_opt_fn_t
)(void);
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APU_DECLARE_NONSTD(
void
) apr_dynamic_fn_register(const
char
*szName,
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apr_opt_fn_t
*pfn);
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#define APR_REGISTER_OPTIONAL_FN(name) do { \
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APR_OPTIONAL_FN_TYPE(name) *apu__opt = name; \
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apr_dynamic_fn_register(#name,(apr_opt_fn_t *)apu__opt); \
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} while (0)
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APU_DECLARE(
apr_opt_fn_t
*) apr_dynamic_fn_retrieve(const
char
*szName);
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#define APR_RETRIEVE_OPTIONAL_FN(name) \
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(APR_OPTIONAL_FN_TYPE(name) *)apr_dynamic_fn_retrieve(#name)
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#ifdef __cplusplus
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}
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#endif
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#endif
/* APR_OPTIONAL_H */
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