55 lines
2.0 KiB
C
Executable File
55 lines
2.0 KiB
C
Executable File
/* Fuzzy string comparison.
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Copyright (C) 1995, 2000, 2002-2003, 2006, 2008-2024 Free Software
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Foundation, Inc.
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This file was written by Peter Miller <pmiller@agso.gov.au>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _FSTRCMP_H
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#define _FSTRCMP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Fuzzy compare of S1 and S2. Return a measure for the similarity of S1
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and S1. The higher the result, the more similar the strings are.
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The result is bounded between 0 (meaning very dissimilar strings) and
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1 (meaning identical strings). */
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extern double fstrcmp (const char *s1, const char *s2);
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/* Like fstrcmp (S1, S2), except that if the result is < LOWER_BOUND, an
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arbitrary other value < LOWER_BOUND can be returned. */
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extern double fstrcmp_bounded (const char *s1, const char *s2,
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double lower_bound);
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/* A shortcut for fstrcmp. Avoids a function call. */
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#define fstrcmp(s1,s2) fstrcmp_bounded (s1, s2, 0.0)
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/* Frees the per-thread resources allocated by this module for the current
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thread.
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You don't need to call this function in threads other than the main thread,
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because per-thread resources are reclaimed automatically when the thread
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exits. However, per-thread resources allocated by the main thread are
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comparable to static allocations; calling this function can be useful to
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avoid an error report from valgrind. */
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extern void fstrcmp_free_resources (void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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