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484257925f
The mailing address for the FSF has changed over the years. Rather than updating the address across all files, refer readers to gnu.org, as the GNU GPL documentation now suggests for license notices. The mailing address is retained in the full license files (COPYING and LGPL-2.1). The old address is still present in t/diff-lib/COPYING. This is intentional, as the file is used in tests and the contents are not expected to change. Signed-off-by: Todd Zullinger <tmz@pobox.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
61 lines
2.5 KiB
C
61 lines
2.5 KiB
C
/* 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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extern 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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extern 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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extern 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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extern 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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extern void kwsfree(kwset_t);
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