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Date:      Thu, 6 Mar 2014 00:25:21 +0000 (UTC)
From:      Xin LI <delphij@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r262816 - head/lib/libz
Message-ID:  <201403060025.s260PLmL086076@svn.freebsd.org>

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Author: delphij
Date: Thu Mar  6 00:25:21 2014
New Revision: 262816
URL: http://svnweb.freebsd.org/changeset/base/262816

Log:
  Add a manual page for zopen(3) provided by our libz.so.

Added:
  head/lib/libz/zopen.3   (contents, props changed)
Modified:
  head/lib/libz/Makefile

Modified: head/lib/libz/Makefile
==============================================================================
--- head/lib/libz/Makefile	Thu Mar  6 00:19:18 2014	(r262815)
+++ head/lib/libz/Makefile	Thu Mar  6 00:25:21 2014	(r262816)
@@ -5,7 +5,7 @@
 LIB=		z
 SHLIBDIR?=	/lib
 SHLIB_MAJOR=	6
-MAN=		zlib.3
+MAN=		zlib.3 zopen.3
 
 #CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
 #CFLAGS=-g -DDEBUG

Added: head/lib/libz/zopen.3
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/lib/libz/zopen.3	Thu Mar  6 00:25:21 2014	(r262816)
@@ -0,0 +1,96 @@
+.\" Copyright (c) 2014 Xin Li <delphij@FreeBSD.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd March 5, 2014
+.Dt ZOPEN 3
+.Os
+.Sh NAME
+.Nm zopen
+.Nd open a gzip compressed stream
+.Sh LIBRARY
+.Lb libz
+.Sh SYNOPSIS
+.Ft FILE *
+.Fn zopen "const char *path" "const char *mode"
+.Sh DESCRIPTION
+The
+.Fn zopen
+opens a gzip file whose name is the string pointed to by
+.Fa path
+and associates a stream with it.
+It is a wrapper around
+.Xr zlib 3
+and standard stream I/O APIs.
+.Pp
+The argument
+.Fa mode
+have the same meaning as it does in
+.Xr fopen 3 .
+.Pp
+The
+.Nm
+function will associate read, write, seek and close
+functions of
+.Xr zlib 3
+after successfully opened a file with
+.Xr funopen 3
+so that they will be used to read or write the new stream.
+.Sh RETURN VALUES
+Upon successful completion
+.Nm
+returns a
+.Tn FILE
+pointer.
+Otherwise,
+.Dv NULL
+is returned and the global variable
+.Va errno
+is set to indicate the error.
+.Sh ERRORS
+In addition to the errors documented for
+.Xr fopen 3 ,
+the
+.Nm
+function may also fail for: 
+.Bl -tag -width Er
+.It Bq Er ENOMEM
+Insufficient memory is available.
+.El
+.Sh COMPATIBILITY
+This implementation of
+.Nm
+function first appeared in
+.Nx 1.6
+and
+.Fx 4.5 .
+The
+.Nm
+function may not be portable to systems other than
+.Fx .
+.Sh SEE ALSO
+.Xr fopen 3 ,
+.Xr funopen 3 ,
+.Xr zlib 3



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