/* 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 APU_VERSION_H #define APU_VERSION_H /** * @file apu_version.h * @brief APR-util Versioning Interface * * APR-util's Version * * There are several different mechanisms for accessing the version. There * is a string form, and a set of numbers; in addition, there are constants * which can be compiled into your application, and you can query the library * being used for its actual version. * * Note that it is possible for an application to detect that it has been * compiled against a different version of APU by use of the compile-time * constants and the use of the run-time query function. * * APU version numbering follows the guidelines specified in: * * http://apr.apache.org/versioning.html */ /* The numeric compile-time version constants. These constants are the * authoritative version numbers for APU. */ /** major version * Major API changes that could cause compatibility problems for older * programs such as structure size changes. No binary compatibility is * possible across a change in the major version. */ #define APU_MAJOR_VERSION 1 /** minor version * Minor API changes that do not cause binary compatibility problems. * Reset to 0 when upgrading APU_MAJOR_VERSION */ #define APU_MINOR_VERSION 3 /** patch level * The Patch Level never includes API changes, simply bug fixes. * Reset to 0 when upgrading APR_MINOR_VERSION */ #define APU_PATCH_VERSION 4 /** * The symbol APU_IS_DEV_VERSION is only defined for internal, * "development" copies of APU. It is undefined for released versions * of APU. */ /* #undef APU_IS_DEV_VERSION */ #if defined(APU_IS_DEV_VERSION) || defined(DOXYGEN) /** Internal: string form of the "is dev" flag */ #define APU_IS_DEV_STRING "-dev" #else #define APU_IS_DEV_STRING "" #endif #ifndef APU_STRINGIFY /** Properly quote a value as a string in the C preprocessor */ #define APU_STRINGIFY(n) APU_STRINGIFY_HELPER(n) /** Helper macro for APU_STRINGIFY */ #define APU_STRINGIFY_HELPER(n) #n #endif /** The formatted string of APU's version */ #define APU_VERSION_STRING \ APU_STRINGIFY(APU_MAJOR_VERSION) "." \ APU_STRINGIFY(APU_MINOR_VERSION) "." \ APU_STRINGIFY(APU_PATCH_VERSION) \ APU_IS_DEV_STRING /** An alternative formatted string of APR's version */ /* macro for Win32 .rc files using numeric csv representation */ #define APU_VERSION_STRING_CSV APU_MAJOR_VERSION ##, \ ##APU_MINOR_VERSION ##, \ ##APU_PATCH_VERSION #ifndef APU_VERSION_ONLY /* The C language API to access the version at run time, * as opposed to compile time. APU_VERSION_ONLY may be defined * externally when preprocessing apr_version.h to obtain strictly * the C Preprocessor macro declarations. */ #include "apr_version.h" #include "apu.h" #ifdef __cplusplus extern "C" { #endif /** * Return APR-util's version information information in a numeric form. * * @param pvsn Pointer to a version structure for returning the version * information. */ APU_DECLARE(void) apu_version(apr_version_t *pvsn); /** Return APU's version information as a string. */ APU_DECLARE(const char *) apu_version_string(void); #ifdef __cplusplus } #endif #endif /* ndef APU_VERSION_ONLY */ #endif /* ndef APU_VERSION_H */
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