diff options
author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2006-02-01 16:48:49 +0000 |
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committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2006-02-01 16:48:49 +0000 |
commit | 8291f6d96845163850a2451fff4a03a292fa71b6 (patch) | |
tree | 62609f683f51d883c5a710acff0272eca5a085d5 /src/bsdiff-4.3/bsdiff.1 | |
parent | 9e4ffc43a2a6b67643765efd48198f218fcf0530 (diff) |
* bsdiff updated to 4.3. This makes Nix depend on libbz2.
Diffstat (limited to 'src/bsdiff-4.3/bsdiff.1')
-rw-r--r-- | src/bsdiff-4.3/bsdiff.1 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/bsdiff-4.3/bsdiff.1 b/src/bsdiff-4.3/bsdiff.1 new file mode 100644 index 000000000..ead6c4deb --- /dev/null +++ b/src/bsdiff-4.3/bsdiff.1 @@ -0,0 +1,63 @@ +.\"- +.\" Copyright 2003-2005 Colin Percival +.\" All rights reserved +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted providing 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 ``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 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: src/usr.bin/bsdiff/bsdiff/bsdiff.1,v 1.1 2005/08/06 01:59:05 cperciva Exp $ +.\" +.Dd May 18, 2003 +.Dt BSDIFF 1 +.Os FreeBSD +.Sh NAME +.Nm bsdiff +.Nd generate a patch between two binary files +.Sh SYNOPSIS +.Nm +.Ao Ar oldfile Ac Ao Ar newfile Ac Ao Ar patchfile Ac +.Sh DESCRIPTION +.Nm +compares +.Ao Ar oldfile Ac +to +.Ao Ar newfile Ac +and writes to +.Ao Ar patchfile Ac +a binary patch suitable for use by bspatch(1). +When +.Ao Ar oldfile Ac +and +.Ao Ar newfile Ac +are two versions of an executable program, the +patches produced are on average a factor of five smaller +than those produced by any other binary patch tool known +to the author. +.Pp +.Nm +uses memory equal to 17 times the size of +.Ao Ar oldfile Ac , +and requires +an absolute minimum working set size of 8 times the size of oldfile. +.Sh SEE ALSO +.Xr bspatch 1 +.Sh AUTHORS +.An Colin Percival Aq cperciva@freebsd.org |