Added comments to collision code.
[cantaveria.git] / util.h
blobab8bd668210aeaf1aa9645c60738b60a2fff5284
1 /*
2 Cantaveria - action adventure platform game
3 Copyright (C) 2009 2010 Evan Rinehart
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to
18 The Free Software Foundation, Inc.
19 51 Franklin Street, Fifth Floor
20 Boston, MA 02110-1301, USA
23 typedef unsigned long utf32;
24 typedef const char* string;
26 void fatal_error(const char* format, ...);
27 void out_of_memory(const char*);
28 void error_msg(const char* format, ...);
29 void boot_msg(const char* format, ...);
31 void* xmalloc(size_t size);
32 char* strxcpy(const char* str);
33 void strmcat(char* dst, const char* src, size_t n);
35 int unicode_getc(char* str, utf32* u);
37 void rand_reset(unsigned s);
38 int randi(int a, int b);
39 double randf();
41 char* path_ending(char* path);
43 int gcd(int u, int v);
45 typedef struct treenode treenode;
46 struct treenode {
47 treenode* l;
48 treenode* r;
49 void* key;
50 void* value;
53 void tree_insert(
54 treenode* root,
55 int (*compare)(void* k1, void* k2),
56 void* key,
57 void* value
60 void* tree_search(
61 treenode* root,
62 int (*compare)(void* k1, void* k2),
63 void* key