1 | /* |
1 | /* |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
|
|
4 | * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 2002 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 1992 Frank Tore Johansen |
7 | * Copyright (©) 1992 Frank Tore Johansen |
7 | * |
8 | * |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * the terms of the Affero GNU General Public License as published by the |
10 | * the terms of the Affero GNU General Public License as published by the |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * option) any later version. |
12 | * option) any later version. |
12 | * |
13 | * |
13 | * This program is distributed in the hope that it will be useful, |
14 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
17 | * GNU General Public License for more details. |
17 | * |
18 | * |
18 | * You should have received a copy of the Affero GNU General Public License |
19 | * You should have received a copy of the Affero GNU General Public License |
19 | * and the GNU General Public License along with this program. If not, see |
20 | * and the GNU General Public License along with this program. If not, see |
20 | * <http://www.gnu.org/licenses/>. |
21 | * <http://www.gnu.org/licenses/>. |
21 | * |
22 | * |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
24 | */ |
24 | |
25 | |
25 | /* |
26 | /* |
26 | * compatibility functions for older (GPL) source code parts |
27 | * compatibility functions for older (GPL) source code parts |
… | |
… | |
34 | |
35 | |
35 | #include <global.h> |
36 | #include <global.h> |
36 | #include "define.h" |
37 | #include "define.h" |
37 | #include "path.h" |
38 | #include "path.h" |
38 | |
39 | |
39 | /* buf_overflow() - we don't want to exceed the buffer size of |
40 | /* buf_overflow() - we don't want to exceed the buffer size of |
40 | * buf1 by adding on buf2! Returns true if overflow will occur. |
41 | * buf1 by adding on buf2! Returns true if overflow will occur. |
41 | */ |
42 | */ |
42 | int |
43 | int |
43 | buf_overflow (const char *buf1, const char *buf2, int bufsize) |
44 | buf_overflow (const char *buf1, const char *buf2, int bufsize) |
44 | { |
45 | { |
… | |
… | |
110 | { |
111 | { |
111 | if (r_min > r_max) |
112 | if (r_min > r_max) |
112 | swap (r_min, r_max); |
113 | swap (r_min, r_max); |
113 | |
114 | |
114 | sint64 range = r_max - r_min + 1; |
115 | sint64 range = r_max - r_min + 1; |
115 | /* |
116 | /* |
116 | * Make a call to get two 32 bit unsigned random numbers, and just do |
117 | * Make a call to get two 32 bit unsigned random numbers, and just do |
117 | * a little bitshifting. |
118 | * a little bitshifting. |
118 | */ |
119 | */ |
119 | sint64 num = rndm.next () ^ (sint64 (rndm.next ()) << 31); |
120 | sint64 num = rndm.next () ^ (sint64 (rndm.next ()) << 31); |
120 | |
121 | |