00001 /* version.c --- Version handling. 00002 * Copyright (C) 2002, 2003, 2004, 2006, 2007, 2008, 2009 Simon Josefsson 00003 * 00004 * This file is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2.1 of the License, or (at your option) any later version. 00008 * 00009 * This file is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Lesser General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Lesser General Public 00015 * License along with this file; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 00017 * 00018 */ 00019 00020 #ifdef HAVE_CONFIG_H 00021 # include "config.h" 00022 #endif 00023 00024 #include "stringprep.h" 00025 00026 #include <string.h> /* for strverscmp */ 00027 00042 const char * 00043 stringprep_check_version (const char *req_version) 00044 { 00045 if (!req_version || strverscmp (req_version, STRINGPREP_VERSION) <= 0) 00046 return STRINGPREP_VERSION; 00047 00048 return NULL; 00049 }