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Diffstat (limited to 'src/bsdiff-4.2/bsdiff.1')
| -rw-r--r-- | src/bsdiff-4.2/bsdiff.1 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/bsdiff-4.2/bsdiff.1 b/src/bsdiff-4.2/bsdiff.1 new file mode 100644 index 000000000000..8d3926d3298c --- /dev/null +++ b/src/bsdiff-4.2/bsdiff.1 @@ -0,0 +1,36 @@ +.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@daemonology.net |