74 lines
2.6 KiB
Groff
74 lines
2.6 KiB
Groff
.\" $NetBSD: pmatch.9,v 1.2 2003/10/14 06:49:51 wiz Exp $
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.\"
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.\" Copyright (c) 2003 Manuel Bouyer.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Manuel Bouyer.
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\"
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.Dd October 12, 2003
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.Dt PMATCH 9
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.Os
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.Sh NAME
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.Nm pmatch
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.Nd performs pattern matching on strings
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.Sh SYNOPSIS
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.In sys/systm.h
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.Ft int
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.Fn pmatch "const char *string" "const char *pattern" "const char **estr"
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.Sh DESCRIPTION
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Extract substring matching
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.Fa pattern
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from
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.Fa string .
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If not
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.Dv NULL ,
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.Fa estr
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points to the end of the longest exact or substring match.
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.Pp
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.Fn pmatch
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uses the following metacharacters:
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.Bl -tag -width Ds
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.It Li \&?
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match any single character.
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.It Li *
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match any character 0 or more times.
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.It Li \&[
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define a range of characters that will match.
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The range is defined by 2 characters separated by a
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.Sq Li \&- .
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The range definition has to end with a
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.Sq Li \&] .
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A
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.Sq Li ^
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following the
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.Sq Li \&[
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will negate the range.
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.El
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.Sh RETURN VALUES
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.Fn pmatch
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will return 2 for an exact match, 1 for a substring match, 0 for no match and
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\-1 if an error occurs.
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