license info

tools/structfact/cif2xml.cpp

@@ -158,8 +158,19 @@ static void show_infos(const char* pcProg)
 	std::cout << "CIF to XML converter, version " << g_strVer << ".\n";
 	std::cout << "Written by Tobias Weber (tweber@ill.fr) in May 2019.\n";
 
-	std::cout << "\nUsage: " << pcProg << " <in.cif> <out.xml>\n";
+	std::cout << "\nThis 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, version 3 of the License.\n"
+		"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.\n"
+		"You should have received a copy of the GNU General Public License "
+		"along with this program. If not, see <http://www.gnu.org/licenses/>.\n";
 	std::cout << std::endl;
+
+	std::cerr << "\nUsage: " << pcProg << " <in.cif> <out.xml>\n";
+	std::cerr << std::endl;
 }