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Diffstat (limited to 'lib/hash-pjw.h')
-rw-r--r-- | lib/hash-pjw.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/hash-pjw.h b/lib/hash-pjw.h new file mode 100644 index 0000000..44b5440 --- /dev/null +++ b/lib/hash-pjw.h @@ -0,0 +1,25 @@ +/* hash-pjw.h -- declaration for a simple hash function + Copyright (C) 2001, 2003 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. + If not, write to the Free Software Foundation, + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#include <stddef.h> + +/* Compute a hash code for a NUL-terminated string starting at X, + and return the hash code modulo TABLESIZE. + The result is platform dependent: it depends on the size of the 'size_t' + type and on the signedness of the 'char' type. */ +extern size_t hash_pjw (void const *x, size_t tablesize); |