3deeb59da9
1) Rename FNM_ICASE to FNM_CASEFOLD 2) Add FNM_LEADING_DIR Add proper (unsigned char) casts to tolower(). Use 'char' function argument for proper sign extension
143 lines
4.1 KiB
Groff
143 lines
4.1 KiB
Groff
.\" Copyright (c) 1989, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Guido van Rossum.
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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 the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)fnmatch.3 8.2 (Berkeley) 4/16/94
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.\"
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.Dd April 16, 1994
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.Dt FNMATCH 3
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.Os
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.Sh NAME
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.Nm fnmatch
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.Nd match filename or pathname
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.Sh SYNOPSIS
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.Fd #include <fnmatch.h>
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.Ft int
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.Fn fnmatch "const char *pattern" "const char *string" "int flags"
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.Sh DESCRIPTION
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The
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.Fn fnmatch
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function
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matches patterns according to the rules used by the shell.
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It checks the string specified by the
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.Fa string
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argument to see if it matches the pattern specified by the
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.Fa pattern
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argument.
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.Pp
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The
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.Fa flags
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argument modifies the interpretation of
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.Fa pattern
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and
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.Fa string .
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The value of
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.Fa flags
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is the bitwise inclusive
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.Tn OR
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of any of the following
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constants, which are defined in the include file
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.Pa fnmatch.h .
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.Bl -tag -width FNM_PATHNAME
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.It Dv FNM_NOESCAPE
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Normally, every occurrence of a backslash
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.Pq Ql \e
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followed by a character in
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.Fa pattern
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is replaced by that character.
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This is done to negate any special meaning for the character.
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If the
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.Dv FNM_NOESCAPE
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flag is set, a backslash character is treated as an ordinary character.
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.It Dv FNM_PATHNAME
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Slash characters in
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.Fa string
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must be explicitly matched by slashes in
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.Fa pattern .
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If this flag is not set, then slashes are treated as regular characters.
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.It Dv FNM_PERIOD
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Leading periods in
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.Fa string
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must be explicitly matched by periods in
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.Fa pattern .
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If this flag is not set, then leading periods are treated as regular
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characters.
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The definition of ``leading'' is related to the specification of
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.Dv FNM_PATHNAME.
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A period is always ``leading'' if it is the first character in
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.Ar string .
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Additionally, if
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.Dv FNM_PATHNAME
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is set,
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a period is ``leading'' if it immediately follows a slash.
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.It Dv FNM_LEADING_DIR
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Ignore
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.Nm /*
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rest after successful
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.Fa pattern
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matching.
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.It Dv FNM_CASEFOLD
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Ignore case distinctions in both the
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.Fa pattern
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and the
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.Fa string .
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.El
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.Sh RETURN VALUES
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The
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.Fn fnmatch
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function returns zero if
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.Fa string
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matches the pattern specified by
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.Fa pattern ,
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otherwise, it returns the value
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.Dv FNM_NOMATCH .
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.Sh SEE ALSO
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.Xr sh 1 ,
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.Xr glob 3 ,
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.Xr regex 3
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.Sh STANDARDS
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The
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.Fn fnmatch
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function conforms to
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.St -p1003.2 .
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.Sh HISTORY
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The
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.Fn fnmatch
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function first appeared in
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.Bx 4.4 .
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.Sh BUGS
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The pattern
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.Ql *
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matches the empty string, even if
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.Dv FNM_PATHNAME
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is specified.
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