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Riley Schneider
206
database/apache/include/ap_config.h
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206
database/apache/include/ap_config.h
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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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/**
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* @file ap_config.h
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* @brief Symbol export macros and hook functions
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*/
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#ifndef AP_CONFIG_H
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#define AP_CONFIG_H
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#include "ap_hooks.h"
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/* Although this file doesn't declare any hooks, declare the exports group here */
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/**
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* @defgroup exports Apache exports
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* @ingroup APACHE_CORE
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*/
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#ifdef DOXYGEN
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/* define these just so doxygen documents them */
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/**
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* AP_DECLARE_STATIC is defined when including Apache's Core headers,
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* to provide static linkage when the dynamic library may be unavailable.
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*
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* @see AP_DECLARE_EXPORT
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*
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* AP_DECLARE_STATIC and AP_DECLARE_EXPORT are left undefined when
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* including Apache's Core headers, to import and link the symbols from the
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* dynamic Apache Core library and assure appropriate indirection and calling
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* conventions at compile time.
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*/
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# define AP_DECLARE_STATIC
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/**
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* AP_DECLARE_EXPORT is defined when building the Apache Core dynamic
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* library, so that all public symbols are exported.
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*
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* @see AP_DECLARE_STATIC
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*/
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# define AP_DECLARE_EXPORT
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#endif /* def DOXYGEN */
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#if !defined(WIN32)
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/**
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* Apache Core dso functions are declared with AP_DECLARE(), so they may
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* use the most appropriate calling convention. Hook functions and other
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* Core functions with variable arguments must use AP_DECLARE_NONSTD().
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* @code
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* AP_DECLARE(rettype) ap_func(args)
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* @endcode
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*/
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#define AP_DECLARE(type) type
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/**
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* Apache Core dso variable argument and hook functions are declared with
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* AP_DECLARE_NONSTD(), as they must use the C language calling convention.
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* @see AP_DECLARE
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* @code
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* AP_DECLARE_NONSTD(rettype) ap_func(args [...])
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* @endcode
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*/
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#define AP_DECLARE_NONSTD(type) type
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/**
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* Apache Core dso variables are declared with AP_MODULE_DECLARE_DATA.
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* This assures the appropriate indirection is invoked at compile time.
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*
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* @note AP_DECLARE_DATA extern type apr_variable; syntax is required for
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* declarations within headers to properly import the variable.
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* @code
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* AP_DECLARE_DATA type apr_variable
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* @endcode
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*/
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#define AP_DECLARE_DATA
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#elif defined(AP_DECLARE_STATIC)
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#define AP_DECLARE(type) type __stdcall
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#define AP_DECLARE_NONSTD(type) type
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#define AP_DECLARE_DATA
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#elif defined(AP_DECLARE_EXPORT)
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#define AP_DECLARE(type) __declspec(dllexport) type __stdcall
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#define AP_DECLARE_NONSTD(type) __declspec(dllexport) type
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#define AP_DECLARE_DATA __declspec(dllexport)
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#else
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#define AP_DECLARE(type) __declspec(dllimport) type __stdcall
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#define AP_DECLARE_NONSTD(type) __declspec(dllimport) type
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#define AP_DECLARE_DATA __declspec(dllimport)
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#endif
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#if !defined(WIN32) || defined(AP_MODULE_DECLARE_STATIC)
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/**
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* Declare a dso module's exported module structure as AP_MODULE_DECLARE_DATA.
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*
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* Unless AP_MODULE_DECLARE_STATIC is defined at compile time, symbols
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* declared with AP_MODULE_DECLARE_DATA are always exported.
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* @code
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* module AP_MODULE_DECLARE_DATA mod_tag
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* @endcode
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*/
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#if defined(WIN32)
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#define AP_MODULE_DECLARE(type) type __stdcall
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#else
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#define AP_MODULE_DECLARE(type) type
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#endif
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#define AP_MODULE_DECLARE_NONSTD(type) type
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#define AP_MODULE_DECLARE_DATA
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#else
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/**
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* AP_MODULE_DECLARE_EXPORT is a no-op. Unless contradicted by the
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* AP_MODULE_DECLARE_STATIC compile-time symbol, it is assumed and defined.
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*
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* The old SHARED_MODULE compile-time symbol is now the default behavior,
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* so it is no longer referenced anywhere with Apache 2.0.
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*/
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#define AP_MODULE_DECLARE_EXPORT
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#define AP_MODULE_DECLARE(type) __declspec(dllexport) type __stdcall
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#define AP_MODULE_DECLARE_NONSTD(type) __declspec(dllexport) type
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#define AP_MODULE_DECLARE_DATA __declspec(dllexport)
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#endif
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#include "os.h"
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#if (!defined(WIN32) && !defined(NETWARE)) || defined(__MINGW32__)
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#include "ap_config_auto.h"
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#endif
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#include "ap_config_layout.h"
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/* Where the main/parent process's pid is logged */
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#ifndef DEFAULT_PIDLOG
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#define DEFAULT_PIDLOG DEFAULT_REL_RUNTIMEDIR "/httpd.pid"
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#endif
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#if defined(NETWARE)
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#define AP_NONBLOCK_WHEN_MULTI_LISTEN 1
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#endif
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#if defined(AP_ENABLE_DTRACE) && HAVE_SYS_SDT_H
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#include <sys/sdt.h>
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#else
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#undef _DTRACE_VERSION
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#endif
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#ifdef _DTRACE_VERSION
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#include "apache_probes.h"
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#else
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#include "apache_noprobes.h"
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#endif
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/* If APR has OTHER_CHILD logic, use reliable piped logs. */
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#if APR_HAS_OTHER_CHILD
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#define AP_HAVE_RELIABLE_PIPED_LOGS TRUE
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#endif
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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#define AP_HAVE_C99
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#endif
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/* Presume that the compiler supports C99-style designated
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* initializers if using GCC (but not G++), or for any other compiler
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* which claims C99 support. */
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#if (defined(__GNUC__) && !defined(__cplusplus)) || defined(AP_HAVE_C99)
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#define AP_HAVE_DESIGNATED_INITIALIZER
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#endif
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#ifndef __has_attribute /* check for supported attributes on clang */
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#define __has_attribute(x) 0
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#endif
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#if (defined(__GNUC__) && __GNUC__ >= 4) || __has_attribute(sentinel)
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#define AP_FN_ATTR_SENTINEL __attribute__((sentinel))
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#else
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#define AP_FN_ATTR_SENTINEL
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#endif
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#if ( defined(__GNUC__) && \
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(__GNUC__ >= 4 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 4))) \
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|| __has_attribute(warn_unused_result)
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#define AP_FN_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
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#else
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#define AP_FN_ATTR_WARN_UNUSED_RESULT
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#endif
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#if ( defined(__GNUC__) && \
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(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)) \
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|| __has_attribute(alloc_size)
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#define AP_FN_ATTR_ALLOC_SIZE(x) __attribute__((alloc_size(x)))
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#define AP_FN_ATTR_ALLOC_SIZE2(x,y) __attribute__((alloc_size(x,y)))
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#else
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#define AP_FN_ATTR_ALLOC_SIZE(x)
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#define AP_FN_ATTR_ALLOC_SIZE2(x,y)
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#endif
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#endif /* AP_CONFIG_H */
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