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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com) */
#include "ptable.h"
#include "errarg.h"
#include "error.h"
unsigned long
hash_string(const char *s)
{
assert(s != 0);
unsigned long h = 0, g;
while (*s != 0)
{
h <<= 4;
h += *s++;
if ((g = h & 0xf0000000) != 0)
{
h ^= g >> 24;
h ^= g;
}
}
return h;
}
static const unsigned table_sizes[] = {
101, 503, 1009, 2003, 3001, 4001, 5003, 10007, 20011, 40009,
80021, 160001, 500009, 1000003, 2000003, 4000037, 8000009,
16000057, 32000011, 64000031, 128000003, 0
};
unsigned
next_ptable_size(unsigned n)
{
const unsigned *p;
for (p = table_sizes; *p <= n; p++)
if (*p == 0)
fatal("cannot expand table");
return *p;
}
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