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79764a1f11
Fixed compiler warning about redefinition of SIZE_MAX.
Use common.h instead of config.h directly here.
* src/Platform.{h, cc}
The check of ENABLE_NLS is made in gettext.h, so it is not
required
here.
* common.h
2008-02-02 gettextize <bug-gnu-gettext@gnu.org>
Updated gettext related files.
* configure.ac (AC_CONFIG_FILES): Add intl/Makefile.
* configure.ac (AM_GNU_GETTEXT_VERSION): Bump to 0.17.
84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/* Binary tree data structure.
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Copyright (C) 2006 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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USA. */
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#ifndef _TSEARCH_H
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#define _TSEARCH_H
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#if HAVE_TSEARCH
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/* Get tseach(), tfind(), tdelete(), twalk() declarations. */
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#include <search.h>
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#else
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* See <http://www.opengroup.org/susv3xbd/search.h.html>,
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<http://www.opengroup.org/susv3xsh/tsearch.html>
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for details. */
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typedef enum
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{
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preorder,
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postorder,
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endorder,
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leaf
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}
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VISIT;
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/* Searches an element in the tree *VROOTP that compares equal to KEY.
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If one is found, it is returned. Otherwise, a new element equal to KEY
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is inserted in the tree and is returned. */
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extern void * tsearch (const void *key, void **vrootp,
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int (*compar) (const void *, const void *));
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/* Searches an element in the tree *VROOTP that compares equal to KEY.
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If one is found, it is returned. Otherwise, NULL is returned. */
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extern void * tfind (const void *key, void *const *vrootp,
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int (*compar) (const void *, const void *));
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/* Searches an element in the tree *VROOTP that compares equal to KEY.
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If one is found, it is removed from the tree, and its parent node is
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returned. Otherwise, NULL is returned. */
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extern void * tdelete (const void *key, void **vrootp,
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int (*compar) (const void *, const void *));
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/* Perform a depth-first, left-to-right traversal of the tree VROOT.
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The ACTION function is called:
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- for non-leaf nodes: 3 times, before the left subtree traversal,
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after the left subtree traversal but before the right subtree traversal,
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and after the right subtree traversal,
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- for leaf nodes: once.
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The arguments passed to ACTION are:
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1. the node; it can be casted to a 'const void * const *', i.e. into a
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pointer to the key,
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2. an indicator which visit of the node this is,
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3. the level of the node in the tree (0 for the root). */
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extern void twalk (const void *vroot,
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void (*action) (const void *, VISIT, int));
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* _TSEARCH_H */
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