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Diffstat (limited to 'gl/lib/hash-pjw-bare.h')
-rw-r--r-- | gl/lib/hash-pjw-bare.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gl/lib/hash-pjw-bare.h b/gl/lib/hash-pjw-bare.h new file mode 100644 index 0000000..7498ca2 --- /dev/null +++ b/gl/lib/hash-pjw-bare.h @@ -0,0 +1,29 @@ +/* hash-pjw-bare.h -- declaration for a simple hash function + Copyright (C) 2012-2023 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* This file uses _GL_ATTRIBUTE_PURE. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + +#include <stddef.h> + +/* Compute a hash code for a buffer starting at X and of size N, + and return the hash code. Note that unlike hash_pjw(), it does not + return it modulo a table size. + The result is platform dependent: it depends on the size of the 'size_t' + type. */ +extern size_t hash_pjw_bare (const void *x, size_t n) _GL_ATTRIBUTE_PURE; |