1251875Speter/* Licensed to the Apache Software Foundation (ASF) under one or more 2251875Speter * contributor license agreements. See the NOTICE file distributed with 3251875Speter * this work for additional information regarding copyright ownership. 4251875Speter * The ASF licenses this file to You under the Apache License, Version 2.0 5251875Speter * (the "License"); you may not use this file except in compliance with 6251875Speter * the License. You may obtain a copy of the License at 7251875Speter * 8251875Speter * http://www.apache.org/licenses/LICENSE-2.0 9251875Speter * 10251875Speter * Unless required by applicable law or agreed to in writing, software 11251875Speter * distributed under the License is distributed on an "AS IS" BASIS, 12251875Speter * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13251875Speter * See the License for the specific language governing permissions and 14251875Speter * limitations under the License. 15251875Speter */ 16251875Speter 17251875Speter#ifndef APR_VERSION_H 18251875Speter#define APR_VERSION_H 19251875Speter 20251875Speter/** 21251875Speter * @file apr_version.h 22251875Speter * @brief APR Versioning Interface 23251875Speter * 24251875Speter * APR's Version 25251875Speter * 26251875Speter * There are several different mechanisms for accessing the version. There 27251875Speter * is a string form, and a set of numbers; in addition, there are constants 28251875Speter * which can be compiled into your application, and you can query the library 29251875Speter * being used for its actual version. 30251875Speter * 31251875Speter * Note that it is possible for an application to detect that it has been 32251875Speter * compiled against a different version of APR by use of the compile-time 33251875Speter * constants and the use of the run-time query function. 34251875Speter * 35251875Speter * APR version numbering follows the guidelines specified in: 36251875Speter * 37251875Speter * http://apr.apache.org/versioning.html 38251875Speter */ 39251875Speter 40251875Speter 41253734Speter#define APR_COPYRIGHT "Copyright (c) 2013 The Apache Software " \ 42253734Speter "Foundation or its licensors, as applicable." 43253734Speter 44251875Speter/* The numeric compile-time version constants. These constants are the 45251875Speter * authoritative version numbers for APR. 46251875Speter */ 47251875Speter 48251875Speter/** major version 49251875Speter * Major API changes that could cause compatibility problems for older 50251875Speter * programs such as structure size changes. No binary compatibility is 51251875Speter * possible across a change in the major version. 52251875Speter */ 53251875Speter#define APR_MAJOR_VERSION 1 54251875Speter 55251875Speter/** minor version 56251875Speter * Minor API changes that do not cause binary compatibility problems. 57251875Speter * Reset to 0 when upgrading APR_MAJOR_VERSION 58251875Speter */ 59251875Speter#define APR_MINOR_VERSION 4 60251875Speter 61251875Speter/** patch level 62251875Speter * The Patch Level never includes API changes, simply bug fixes. 63251875Speter * Reset to 0 when upgrading APR_MINOR_VERSION 64251875Speter */ 65253734Speter#define APR_PATCH_VERSION 8 66251875Speter 67251875Speter/** 68251875Speter * The symbol APR_IS_DEV_VERSION is only defined for internal, 69251875Speter * "development" copies of APR. It is undefined for released versions 70251875Speter * of APR. 71251875Speter */ 72251875Speter/* #define APR_IS_DEV_VERSION */ 73251875Speter 74251875Speter/** 75251875Speter * Check at compile time if the APR version is at least a certain 76251875Speter * level. 77251875Speter * @param major The major version component of the version checked 78251875Speter * for (e.g., the "1" of "1.3.0"). 79251875Speter * @param minor The minor version component of the version checked 80251875Speter * for (e.g., the "3" of "1.3.0"). 81251875Speter * @param patch The patch level component of the version checked 82251875Speter * for (e.g., the "0" of "1.3.0"). 83251875Speter * @remark This macro is available with APR versions starting with 84251875Speter * 1.3.0. 85251875Speter */ 86251875Speter#define APR_VERSION_AT_LEAST(major,minor,patch) \ 87251875Speter(((major) < APR_MAJOR_VERSION) \ 88251875Speter || ((major) == APR_MAJOR_VERSION && (minor) < APR_MINOR_VERSION) \ 89251875Speter || ((major) == APR_MAJOR_VERSION && (minor) == APR_MINOR_VERSION && (patch) <= APR_PATCH_VERSION)) 90251875Speter 91251875Speter#if defined(APR_IS_DEV_VERSION) || defined(DOXYGEN) 92251875Speter/** Internal: string form of the "is dev" flag */ 93253734Speter#ifndef APR_IS_DEV_STRING 94251875Speter#define APR_IS_DEV_STRING "-dev" 95253734Speter#endif 96251875Speter#else 97251875Speter#define APR_IS_DEV_STRING "" 98251875Speter#endif 99251875Speter 100251875Speter/* APR_STRINGIFY is defined here, and also in apr_general.h, so wrap it */ 101251875Speter#ifndef APR_STRINGIFY 102251875Speter/** Properly quote a value as a string in the C preprocessor */ 103251875Speter#define APR_STRINGIFY(n) APR_STRINGIFY_HELPER(n) 104251875Speter/** Helper macro for APR_STRINGIFY */ 105251875Speter#define APR_STRINGIFY_HELPER(n) #n 106251875Speter#endif 107251875Speter 108251875Speter/** The formatted string of APR's version */ 109251875Speter#define APR_VERSION_STRING \ 110251875Speter APR_STRINGIFY(APR_MAJOR_VERSION) "." \ 111251875Speter APR_STRINGIFY(APR_MINOR_VERSION) "." \ 112251875Speter APR_STRINGIFY(APR_PATCH_VERSION) \ 113251875Speter APR_IS_DEV_STRING 114251875Speter 115251875Speter/** An alternative formatted string of APR's version */ 116251875Speter/* macro for Win32 .rc files using numeric csv representation */ 117251875Speter#define APR_VERSION_STRING_CSV APR_MAJOR_VERSION ##, \ 118251875Speter ##APR_MINOR_VERSION ##, \ 119251875Speter ##APR_PATCH_VERSION 120251875Speter 121251875Speter 122251875Speter#ifndef APR_VERSION_ONLY 123251875Speter 124251875Speter/* The C language API to access the version at run time, 125251875Speter * as opposed to compile time. APR_VERSION_ONLY may be defined 126251875Speter * externally when preprocessing apr_version.h to obtain strictly 127251875Speter * the C Preprocessor macro declarations. 128251875Speter */ 129251875Speter 130251875Speter#include "apr.h" 131251875Speter 132251875Speter#ifdef __cplusplus 133251875Speterextern "C" { 134251875Speter#endif 135251875Speter 136251875Speter/** 137251875Speter * The numeric version information is broken out into fields within this 138251875Speter * structure. 139251875Speter */ 140251875Spetertypedef struct { 141251875Speter int major; /**< major number */ 142251875Speter int minor; /**< minor number */ 143251875Speter int patch; /**< patch number */ 144251875Speter int is_dev; /**< is development (1 or 0) */ 145251875Speter} apr_version_t; 146251875Speter 147251875Speter/** 148251875Speter * Return APR's version information information in a numeric form. 149251875Speter * 150251875Speter * @param pvsn Pointer to a version structure for returning the version 151251875Speter * information. 152251875Speter */ 153251875SpeterAPR_DECLARE(void) apr_version(apr_version_t *pvsn); 154251875Speter 155251875Speter/** Return APR's version information as a string. */ 156251875SpeterAPR_DECLARE(const char *) apr_version_string(void); 157251875Speter 158251875Speter#ifdef __cplusplus 159251875Speter} 160251875Speter#endif 161251875Speter 162251875Speter#endif /* ndef APR_VERSION_ONLY */ 163251875Speter 164251875Speter#endif /* ndef APR_VERSION_H */ 165