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/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SLIBC_VERSION_H
#define _SLIBC_VERSION_H
/* Any header file is in the top-level of the header direction,
* and is provided by slibc, will include this header file.
* That way you do not need to include an slibc specific header
* to find out whether you are using slibc. */
/**
* The major-number in the version of slibc that
* you are compiling against.
*
* The version is formatted `<major>.<minor>.<micro>.<patch>`,
* however `.<patch>` is omitted if the patch-number is nought,
* `.<micro>` is omitted if the both the patch- and micro-number
* are nought.
*/
#define __SLIBC_MAJOR__ 0
/**
* The minor-number in the version of slibc that
* you are compiling against.
*/
#define __SLIBC_MINOR__ 1
/**
* The micro-number in the version of slibc that
* you are compiling against.
*/
#define __SLIBC_MICRO__ 0
/**
* The patch-number in the version of slibc that
* you are compiling against.
*/
#define __SLIBC_PATCH__ 0
/**
* This function is used internal for comparing
* slibc versions.
*
* @param major The major-number of the version.
* @param minor The minor-number of the version.
* @param micro The micro-number of the version.
* @param patch The patch-number of the version.
* @return A scalar integer describing the version.
*/
#define __SLIBC_CONSTRUCT_VERSION(major, minor, micro, patch) \
(((major ## L) << (3 * 7)) | \
((minor ## L) << (2 * 7)) | \
((micro ## L) << (1 * 7)) | \
((patch ## L) << (0 * 7)))
/**
* The scalar integer describing the version
* of slibc you are compiling against.
*
* You can check if this header is defined to
* check whether you are using slibc at all.
*/
#define __SLIBC__ \
__SLIBC_CONSTRUCT_VERSION(__SLIBC_MAJOR__, __SLIBC_MINOR__, \
__SLIBC_MICRO__, __SLIBC_PATCH__)
/**
* Test whether you are compiling against a
* specific version of slibc, or against any
* newer version of slibc.
*
* @param major The major-number of the least required version of slibc.
* @param minor The minor-number of the least required version of slibc.
* @param micro The micro-number of the least required version of slibc.
* @param patch The patch-number of the least required version of slibc.
*/
#define __SLIBC_REQ_4__(major, minor, micro, patch) \
(__SLIBC__ >= __SLIBC_CONSTRUCT_VERSION(major, minor, micro, patch))
/**
* Test whether you are compiling against a
* specific version of slibc, or against any
* newer version of slibc.
*
* @param major The major-number of the least required version of slibc.
* @param minor The minor-number of the least required version of slibc.
* @param micro The micro-number of the least required version of slibc.
*/
#define __SLIBC_REQ_3__(major, minor, micro) \
__SLIBC_REQ_4__(major, minor, micro, patch)
/**
* Test whether you are compiling against a
* specific version of slibc, or against any
* newer version of slibc.
*
* @param major The major-number of the least required version of slibc.
* @param minor The minor-number of the least required version of slibc.
*/
#define __SLIBC_REQ__(major, minor) \
__SLIBC_REQ_4__(major, minor, 0, 0)
#endif
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