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46efd28be1
Add missing headers to prevent ill-effects from multiple inclusion. Found by the LGTM source code analyzer. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
#ifndef KWSET_H
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#define KWSET_H
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/* This file has been copied from commit e7ac713d^ in the GNU grep git
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* repository. A few small changes have been made to adapt the code to
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* Git.
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*/
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/* kwset.h - header declaring the keyword set library.
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Copyright (C) 1989, 1998, 2005 Free Software Foundation, Inc.
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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 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
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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 <http://www.gnu.org/licenses/>. */
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/* Written August 1989 by Mike Haertel.
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The author may be reached (Email) at the address mike@ai.mit.edu,
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or (US mail) as Mike Haertel c/o Free Software Foundation. */
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struct kwsmatch
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{
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int index; /* Index number of matching keyword. */
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size_t offset[1]; /* Offset of each submatch. */
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size_t size[1]; /* Length of each submatch. */
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};
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struct kwset_t;
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typedef struct kwset_t* kwset_t;
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/* Return an opaque pointer to a newly allocated keyword set, or NULL
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if enough memory cannot be obtained. The argument if non-NULL
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specifies a table of character translations to be applied to all
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pattern and search text. */
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kwset_t kwsalloc(unsigned char const *);
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/* Incrementally extend the keyword set to include the given string.
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Return NULL for success, or an error message. Remember an index
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number for each keyword included in the set. */
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const char *kwsincr(kwset_t, char const *, size_t);
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/* When the keyword set has been completely built, prepare it for
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use. Return NULL for success, or an error message. */
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const char *kwsprep(kwset_t);
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/* Search through the given buffer for a member of the keyword set.
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Return a pointer to the leftmost longest match found, or NULL if
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no match is found. If foundlen is non-NULL, store the length of
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the matching substring in the integer it points to. Similarly,
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if foundindex is non-NULL, store the index of the particular
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keyword found therein. */
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size_t kwsexec(kwset_t, char const *, size_t, struct kwsmatch *);
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/* Deallocate the given keyword set and all its associated storage. */
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void kwsfree(kwset_t);
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#endif /* KWSET_H */
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