1.\"- 2.\" Copyright 2003-2005 Colin Percival 3.\" All rights reserved 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted providing that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 18.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 22.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 23.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD: src/usr.bin/bsdiff/bspatch/bspatch.1,v 1.1 2005/08/06 01:59:06 cperciva Exp $ 27.\" 28.Dd May 18, 2003 29.Dt BSPATCH 1 30.Os FreeBSD 31.Sh NAME 32.Nm bspatch 33.Nd apply a patch built with bsdiff(1) 34.Sh SYNOPSIS 35.Nm 36.Ao Ar oldfile Ac Ao Ar newfile Ac Ao Ar patchfile Ac 37.Sh DESCRIPTION 38.Nm 39generates 40.Ao Ar newfile Ac 41from 42.Ao Ar oldfile Ac 43and 44.Ao Ar patchfile Ac 45where 46.Ao Ar patchfile Ac 47is a binary patch built by bsdiff(1). 48.Pp 49.Nm 50uses memory equal to the size of 51.Ao Ar oldfile Ac 52plus the size of 53.Ao Ar newfile Ac , 54but can tolerate a very small working set without a dramatic loss 55of performance. 56.Sh SEE ALSO 57.Xr bsdiff 1 58.Sh AUTHORS 59.An Colin Percival Aq cperciva@freebsd.org 60