1 /**************************************************************************
3 * Copyright 2013-2014 RAD Game Tools and Valve Software
4 * Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 **************************************************************************/
27 /* utility definitions */
28 #ifdef _POSIX2_RE_DUP_MAX
29 #define DUPMAX _POSIX2_RE_DUP_MAX
33 #define INFINITY (DUPMAX + 1)
34 #define NC (CHAR_MAX - CHAR_MIN + 1)
35 typedef unsigned char uch;
37 /* switch off assertions (if not already off) if no REDEBUG */
40 #define NDEBUG /* no assertions please */
45 /* for old systems with bcopy() but no memmove() */
47 #define memmove(d, s, c) bcopy(s, d, c)