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Unified Diff: gperf/src/gperf/3.0.1/gperf-3.0.1-src/src/bool-array.icc

Issue 10804012: Add native Windows binary for gperf. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 8 years, 5 months ago
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Index: gperf/src/gperf/3.0.1/gperf-3.0.1-src/src/bool-array.icc
===================================================================
--- gperf/src/gperf/3.0.1/gperf-3.0.1-src/src/bool-array.icc (revision 0)
+++ gperf/src/gperf/3.0.1/gperf-3.0.1-src/src/bool-array.icc (revision 0)
@@ -0,0 +1,78 @@
+/* Inline Functions for bool-array.{h,cc}.
+
+ Copyright (C) 1989-1998, 2002 Free Software Foundation, Inc.
+ Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
+ and Bruno Haible <bruno@clisp.org>.
+
+ This file is part of GNU GPERF.
+
+ GNU GPERF 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.
+
+ GNU GPERF 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, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+// This needs:
+//#include <stdio.h>
+//#include <string.h>
+//#include "options.h"
+
+/* Initializes the bit array with room for SIZE bits, numbered from
+ 0 to SIZE-1. */
+INLINE
+Bool_Array::Bool_Array (unsigned int size)
+ : _size (size),
+ _iteration_number (1),
+ _storage_array (new unsigned int [size])
+{
+ memset (_storage_array, 0, size * sizeof (_storage_array[0]));
+ if (option[DEBUG])
+ fprintf (stderr, "\nbool array size = %d, total bytes = %d\n",
+ _size,
+ static_cast<unsigned int> (_size * sizeof (_storage_array[0])));
+}
+
+/* Sets the specified bit to true.
+ Returns its previous value (false or true). */
+INLINE bool
+Bool_Array::set_bit (unsigned int index)
+{
+ if (_storage_array[index] == _iteration_number)
+ /* The bit was set since the last clear() call. */
+ return true;
+ else
+ {
+ /* The last operation on this bit was clear(). Set it now. */
+ _storage_array[index] = _iteration_number;
+ return false;
+ }
+}
+
+/* Resets all bits to zero. */
+INLINE void
+Bool_Array::clear ()
+{
+ /* If we wrap around it's time to zero things out again! However, this only
+ occurs once about every 2^32 iterations, so it will not happen more
+ frequently than once per second. */
+
+ if (++_iteration_number == 0)
+ {
+ _iteration_number = 1;
+ memset (_storage_array, 0, _size * sizeof (_storage_array[0]));
+ if (option[DEBUG])
+ {
+ fprintf (stderr, "(re-initialized bool_array)\n");
+ fflush (stderr);
+ }
+ }
+}
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