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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