| Commit | Line | Data |
|---|---|---|
| 4afad3d8 PA |
1 | # $OpenBSD: hash.m4,v 1.2 1996/06/26 05:36:19 deraadt Exp $ |
| 2 | # $NetBSD: hash.m4,v 1.4 1995/09/28 05:37:58 tls Exp $ | |
| 984263bc MD |
3 | # |
| 4 | # Copyright (c) 1989, 1993 | |
| 5 | # The Regents of the University of California. All rights reserved. | |
| 6 | # | |
| 7 | # This code is derived from software contributed to Berkeley by | |
| 8 | # Ozan Yigit. | |
| 9 | # | |
| 10 | # Redistribution and use in source and binary forms, with or without | |
| 11 | # modification, are permitted provided that the following conditions | |
| 12 | # are met: | |
| 13 | # 1. Redistributions of source code must retain the above copyright | |
| 14 | # notice, this list of conditions and the following disclaimer. | |
| 15 | # 2. Redistributions in binary form must reproduce the above copyright | |
| 16 | # notice, this list of conditions and the following disclaimer in the | |
| 17 | # documentation and/or other materials provided with the distribution. | |
| 984263bc MD |
18 | # 4. Neither the name of the University nor the names of its contributors |
| 19 | # may be used to endorse or promote products derived from this software | |
| 20 | # without specific prior written permission. | |
| 21 | # | |
| 22 | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 23 | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 24 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 25 | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 26 | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 27 | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 28 | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 29 | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 30 | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 31 | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 32 | # SUCH DAMAGE. | |
| 33 | # | |
| 4afad3d8 PA |
34 | # $FreeBSD: src/usr.bin/m4/TEST/hash.m4,v 1.3 2012/11/17 01:54:24 svnexp Exp $ |
| 35 | # | |
| 984263bc MD |
36 | # @(#)hash.m4 8.1 (Berkeley) 6/6/93 |
| 37 | # | |
| 38 | ||
| 39 | dnl This probably will not run on any m4 that cannot | |
| 40 | dnl handle char constants in eval. | |
| 41 | dnl | |
| 42 | changequote(<,>) define(HASHVAL,99) dnl | |
| 43 | define(hash,<eval(str(substr($1,1),0)%HASHVAL)>) dnl | |
| 44 | define(str, | |
| 45 | <ifelse($1,",$2, | |
| 46 | <str(substr(<$1>,1),<eval($2+'substr($1,0,1)')>)>) | |
| 47 | >) dnl | |
| 48 | define(KEYWORD,<$1,hash($1),>) dnl | |
| 49 | define(TSTART, | |
| 50 | <struct prehash { | |
| 51 | char *keyword; | |
| 52 | int hashval; | |
| 53 | } keytab[] = {>) dnl | |
| 54 | define(TEND,< "",0 | |
| 55 | };>) dnl |