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-rw-r--r--gnulib/lib/memxor.c35
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diff --git a/gnulib b/gnulib
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-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/lib/memxor.c b/gnulib/lib/memxor.c
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+/* memxor.c -- perform binary exclusive OR operation of two memory blocks.
+ Copyright (C) 2005-2006, 2009-2011 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; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Simon Josefsson. The interface was inspired by memxor
+ in Niels Möller's Nettle. */
+
+#include <config.h>
+
+#include "memxor.h"
+
+void *
+memxor (void *restrict dest, const void *restrict src, size_t n)
+{
+ char const *s = src;
+ char *d = dest;
+
+ for (; n > 0; n--)
+ *d++ ^= *s++;
+
+ return dest;
+}