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Diffstat (limited to 'lib/gl/hash-pjw-bare.h')
-rw-r--r-- | lib/gl/hash-pjw-bare.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/gl/hash-pjw-bare.h b/lib/gl/hash-pjw-bare.h new file mode 100644 index 0000000..eba0653 --- /dev/null +++ b/lib/gl/hash-pjw-bare.h @@ -0,0 +1,24 @@ +/* hash-pjw-bare.h -- declaration for a simple hash function + Copyright (C) 2012-2019 Free Software Foundation, Inc. + + This program 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 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 + 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/>. */ + +#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; |