glibc/locale/elem-hash.h

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/* Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Ulrich Drepper, <drepper@cygnus.com>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* The hashing function used for the table with collation symbols. */
static inline int32_t
elem_hash (const char *str, int_fast32_t n)
{
int32_t result = n;
while (n > 0)
{
n <<= 3;
n += *str++;
}
return result;
}