Imported Upstream version 4.14upstream/4.14

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;