Add GPL3 license header to relevant source files

This should make the license more visible and prevent wrong usage.

6 files changed, 106 insertions, 3 deletions

diff --git a/gui.c b/gui.c
index 73c505d..a7f0886 100644
--- a/gui.c
+++ b/gui.c
@@ -1,6 +1,20 @@
-
-
-/* mention the SDL2 documentation at http://wiki.libsdl.org/APIByCategory */
+/*
+ *  LimoX - The Linux on mobile XMPP chat client
+ *  Copyright (C) 2022  xengineering
+ *
+ *  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 <SDL2/SDL.h>
diff --git a/gui.h b/gui.h
index 24d4878..4ef3247 100644
--- a/gui.h
+++ b/gui.h
@@ -1 +1,20 @@
+/*
+ *  LimoX - The Linux on mobile XMPP chat client
+ *  Copyright (C) 2022  xengineering
+ *
+ *  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/>.
+ */
+
+
 void gui_run(void);
diff --git a/main.c b/main.c
index a06abf0..1bde997 100644
--- a/main.c
+++ b/main.c
@@ -1,3 +1,20 @@
+/*
+ *  LimoX - The Linux on mobile XMPP chat client
+ *  Copyright (C) 2022  xengineering
+ *
+ *  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 <stdbool.h>
diff --git a/tests/get_domainpart.c b/tests/get_domainpart.c
index 92b7918..dc2f769 100644
--- a/tests/get_domainpart.c
+++ b/tests/get_domainpart.c
@@ -1,3 +1,20 @@
+/*
+ *  LimoX - The Linux on mobile XMPP chat client
+ *  Copyright (C) 2022  xengineering
+ *
+ *  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 <string.h>
diff --git a/xmpp.c b/xmpp.c
index 62fd142..dda49dd 100644
--- a/xmpp.c
+++ b/xmpp.c
@@ -1,3 +1,20 @@
+/*
+ *  LimoX - The Linux on mobile XMPP chat client
+ *  Copyright (C) 2022  xengineering
+ *
+ *  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>
diff --git a/xmpp.h b/xmpp.h
index 03b3dbd..9752e38 100644
--- a/xmpp.h
+++ b/xmpp.h
@@ -1,2 +1,21 @@
+/*
+ *  LimoX - The Linux on mobile XMPP chat client
+ *  Copyright (C) 2022  xengineering
+ *
+ *  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/>.
+ */
+
+
 void xmpp_connect(void);
 char *get_domainpart(char *jid);