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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2009 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Research
*/
#include <ast.h>
#include <hashkey.h>
long
strkey(register const char* s)
{
register long x = 0;
register int n = 0;
register int c;
while (n++ < HASHKEYMAX)
{
c = *s;
if (c >= 'a' && c <= 'z')
x = HASHKEYPART(x, c);
else if (c >= '0' && c <= '9')
x = HASHKEYPART(x, HASHKEYN(c));
else break;
s++;
}
return x;
}
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