1.\"-
2.\" Copyright 2003-2005 Colin Percival
3.\" All rights reserved
4.\"
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8.\" 1. Redistributions of source code must retain the above copyright
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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