util.h

   1 /*
   2    Cantaveria - action adventure platform game
   3    Copyright (C) 2009  Evan Rinehart
   4
   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.
   9
  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.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to
  17
  18    The Free Software Foundation, Inc.
  19    51 Franklin Street, Fifth Floor
  20    Boston, MA  02110-1301, USA
  21 */
  22
  23 void report_error(const char* format, ...);
  24 void fatal_error(const char* format, ...);
  25 void* xmalloc(size_t size);
  26 char* strxcpy(const char* str);
  27 void strmcat(char* dst, const char* src, size_t n);
  28 void out_of_memory(const char*);
  29
  30
  31
  32
  33
  34 typedef unsigned long utf32;
  35
  36 typedef int rng_state;
  37 rng_state pseed(int s);
  38 int prand(rng_state* x);
  39 int prandi(rng_state* x, int a, int b);
  40 double prandr(rng_state* x, double a, double b);
  41 int gcd(int u, int v);
  42
  43 int randint(int a, int b);
  44
  45 int unicode_getc(char* str, utf32* u);
  46
  47
  48 typedef struct treenode treenode;
  49 struct treenode {
  50   treenode* l;
  51   treenode* r;
  52   void* key;
  53   void* value;
  54 };
  55
  56 void tree_insert(treenode* root,
  57                  int (*compare)(void* k1, void* k2),
  58                  void* key, void* value);
  59
  60 void* tree_search(treenode* root,
  61                   int (*compare)(void* k1, void* k2),
  62                   void* key);
  63
  64