From d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c Mon Sep 17 00:00:00 2001 From: Theo de Raadt Date: Wed, 18 Oct 1995 08:53:40 +0000 Subject: initial import of NetBSD tree --- gnu/usr.bin/grep/kwset.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 gnu/usr.bin/grep/kwset.h (limited to 'gnu/usr.bin/grep/kwset.h') diff --git a/gnu/usr.bin/grep/kwset.h b/gnu/usr.bin/grep/kwset.h new file mode 100644 index 00000000000..216ab41a88b --- /dev/null +++ b/gnu/usr.bin/grep/kwset.h @@ -0,0 +1,72 @@ +/* kwset.h - header declaring the keyword set library. + Copyright 1989 Free Software Foundation + Written August 1989 by Mike Haertel. + + 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA. + + The author may be reached (Email) at the address mike@ai.mit.edu, + or (US mail) as Mike Haertel c/o Free Software Foundation. + + $Id: kwset.h,v 1.1 1995/10/18 08:40:17 deraadt Exp $ +*/ + +struct kwsmatch +{ + int index; /* Index number of matching keyword. */ + char *beg[1]; /* Begin pointer for each submatch. */ + size_t size[1]; /* Length of each submatch. */ +}; + +#if __STDC__ + +typedef void *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(char *); + +/* 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 char *kwsincr(kwset_t, char *, size_t); + +/* When the keyword set has been completely built, prepare it for + use. Return NULL for success, or an error message. */ +extern 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 char *kwsexec(kwset_t, char *, size_t, struct kwsmatch *); + +/* Deallocate the given keyword set and all its associated storage. */ +extern void kwsfree(kwset_t); + +#else + +typedef char *kwset_t; + +extern kwset_t kwsalloc(); +extern char *kwsincr(); +extern char *kwsprep(); +extern char *kwsexec(); +extern void kwsfree(); + +#endif -- cgit v1.2.3