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/* version.c --- Version handling.
* Copyright (C) 2002-2022 Simon Josefsson
*
* This file is part of Shishi.
*
* Shishi is free software; you can redistribute it and/or modify it 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.
*
* Shishi 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 Shishi; if not, see http://www.gnu.org/licenses or write
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*
*/
#include "internal.h"
/**
* shishi_check_version:
* @req_version: Oldest acceptable version, or %NULL.
*
* Checks that the installed library version is at least
* as recent as the one provided in @req_version.
* The version string is formatted like "1.0.2".
*
* Whenever %NULL is passed to this function, the check is
* suppressed, but the library version is still returned.
*
* Return value: Returns the active library version,
* or %NULL, should the running library be too old.
**/
const char *
shishi_check_version (const char *req_version)
{
if (!req_version || strverscmp (req_version, PACKAGE_VERSION) <= 0)
return PACKAGE_VERSION;
return NULL;
}
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