Added license information!

1 files changed, 28 insertions, 2 deletions

diff --git a/src/ctaklm.c b/src/ctaklm.c
index e0022d1..4ef02be 100644
--- a/src/ctaklm.c
+++ b/src/ctaklm.c
@@ -1,3 +1,22 @@
+/*
+	ctaklm, a line mode interface to the ctak library
+
+	Copyright (C) 2021, tslil clingman
+
+	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 <https://www.gnu.org/licenses/>.
+*/
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -409,11 +428,18 @@ info, load, log, new, play (b|w), self-play, square <col><row>, <PTN>.");
 	return EXIT_SUCCESS;
 }
 
-int
-main(int argc, char **argv) {
+const char* license = "ctaklm, a line mode interface to the ctak library\n\
+\n\
+Copyright (C) 2021, tslil clingman\n\
+\n\
+This program comes with ABSOLUTELY NO WARRANTY; and is made available under the terms of the GNU GPL v3 license. This is free software, and you are welcome to redistribute it under certain conditions; see COPYING for details.\n";
+
+int main(int argc, char **argv) {
 	(void)(argc);
 	(void)(argv);
 
+	puts(license);
+
 	negamax_search_depth = 3;
 	new_game(5);
 	negamax_init(5);