git/kwset.h
Ben Walton 189c860c9e kwset: use unsigned char to store values with high-bit set
Sun Studio on Solaris issues warnings about improper initialization
values being used when defining tolower_trans_tbl[] in ctype.c.  The
array wants to store values with high-bit set and treat them as
values between 128 to 255.  Unlike the rest of the Git codebase
where we explicitly specify 'unsigned char' for such variables and
arrays, however, kwset code we borrowed from elsewhere uses 'char'
for this and other variables.

Fix the declarations to explicitly use 'unsigned char' where
necessary to bring it in line with the rest of the Git.

Signed-off-by: Ben Walton <bdwalton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-02 12:32:24 -08:00

64 lines
2.6 KiB
C

/* This file has been copied from commit e7ac713d^ in the GNU grep git
* repository. A few small changes have been made to adapt the code to
* Git.
*/
/* kwset.h - header declaring the keyword set library.
Copyright (C) 1989, 1998, 2005 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
/* Written August 1989 by Mike Haertel.
The author may be reached (Email) at the address mike@ai.mit.edu,
or (US mail) as Mike Haertel c/o Free Software Foundation. */
struct kwsmatch
{
int index; /* Index number of matching keyword. */
size_t offset[1]; /* Offset of each submatch. */
size_t size[1]; /* Length of each submatch. */
};
struct kwset_t;
typedef struct kwset_t* kwset_t;
/* Return an opaque pointer to a newly allocated keyword set, or NULL
if enough memory cannot be obtained. The argument if non-NULL
specifies a table of character translations to be applied to all
pattern and search text. */
extern kwset_t kwsalloc(unsigned char const *);
/* Incrementally extend the keyword set to include the given string.
Return NULL for success, or an error message. Remember an index
number for each keyword included in the set. */
extern const char *kwsincr(kwset_t, char const *, size_t);
/* When the keyword set has been completely built, prepare it for
use. Return NULL for success, or an error message. */
extern const char *kwsprep(kwset_t);
/* Search through the given buffer for a member of the keyword set.
Return a pointer to the leftmost longest match found, or NULL if
no match is found. If foundlen is non-NULL, store the length of
the matching substring in the integer it points to. Similarly,
if foundindex is non-NULL, store the index of the particular
keyword found therein. */
extern size_t kwsexec(kwset_t, char const *, size_t, struct kwsmatch *);
/* Deallocate the given keyword set and all its associated storage. */
extern void kwsfree(kwset_t);