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annotate lib/fstrcmp.h @ 11583:dc80f2cc1327

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Second attempt to work around an AIX 5.3, 6.1 compiler bug with include_next.
author Eric Blake <ebb9@byu.net>
date Thu, 21 May 2009 16:48:12 +0200
parents aaa73f947c24
children e8d2c6fc33ad
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1 /* Fuzzy string comparison.
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2 Copyright (C) 1995, 2000, 2002-2003, 2006, 2008 Free Software
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3 Foundation, Inc.
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4
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5 This file was written by Peter Miller <pmiller@agso.gov.au>
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6
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7 This program is free software: you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 This program is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef _FSTRCMP_H
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21 #define _FSTRCMP_H
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22
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23 #ifdef __cplusplus
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24 extern "C" {
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25 #endif
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26
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27 /* Fuzzy compare of S1 and S2. Return a measure for the similarity of S1
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28 and S1. The higher the result, the more similar the strings are.
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29 The result is bounded between 0 (meaning very dissimilar strings) and
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30 1 (meaning identical strings). */
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31 extern double fstrcmp (const char *s1, const char *s2);
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32
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33 /* Like fstrcmp (S1, S2), except that if the result is < LOWER_BOUND, an
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34 arbitrary other value < LOWER_BOUND can be returned. */
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35 extern double fstrcmp_bounded (const char *s1, const char *s2,
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36 double lower_bound);
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37
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38 /* A shortcut for fstrcmp. Avoids a function call. */
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39 #define fstrcmp(s1,s2) fstrcmp_bounded (s1, s2, 0.0)
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40
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41 #ifdef __cplusplus
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42 }
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43 #endif
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44
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45 #endif