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/*
* Version Information
* (C) 1999-2011,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_VERSION_H__
#define BOTAN_VERSION_H__
#include <botan/types.h>
#include <string>
namespace Botan {
/*
* Get information describing the version
*/
/**
* Get a human-readable string identifying the version of Botan.
* No particular format should be assumed.
* @return version string
*/
BOTAN_DLL std::string version_string();
BOTAN_DLL const char* version_cstr();
/**
* Return the date this version of botan was released, in an integer of
* the form YYYYMMDD. For instance a version released on May 21, 2013
* would return the integer 20130521. If the currently running version
* is not an official release, this function will return 0 instead.
*
* @return release date, or zero if unreleased
*/
BOTAN_DLL u32bit version_datestamp();
/**
* Get the major version number.
* @return major version number
*/
BOTAN_DLL u32bit version_major();
/**
* Get the minor version number.
* @return minor version number
*/
BOTAN_DLL u32bit version_minor();
/**
* Get the patch number.
* @return patch number
*/
BOTAN_DLL u32bit version_patch();
/**
* Usable for checking that the DLL version loaded at runtime exactly
* matches the compile-time version. Call using BOTAN_VERSION_* macro
* values. Returns the empty string if an exact match, otherwise an
* appropriate message. Added with 1.11.26.
*/
BOTAN_DLL std::string
runtime_version_check(u32bit major,
u32bit minor,
u32bit patch);
/*
* Macros for compile-time version checks
*/
#define BOTAN_VERSION_CODE_FOR(a,b,c) ((a << 16) | (b << 8) | (c))
/**
* Compare using BOTAN_VERSION_CODE_FOR, as in
* # if BOTAN_VERSION_CODE < BOTAN_VERSION_CODE_FOR(1,8,0)
* # error "Botan version too old"
* # endif
*/
#define BOTAN_VERSION_CODE BOTAN_VERSION_CODE_FOR(BOTAN_VERSION_MAJOR, \
BOTAN_VERSION_MINOR, \
BOTAN_VERSION_PATCH)
}
#endif
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