Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Deallocation bug fix in device manager to allow backing out from VM creation failure
[palacios.git] / geekos / scripts / pad
1 #! /usr/bin/perl
2
3 # Pad a file with zero bytes to make its length
4 # an even multiple of some value.
5
6 # $Revision: 1.1 $
7
8 use strict qw(refs vars);
9 use FileHandle;
10
11 if ( scalar(@ARGV) != 2 ) {
12     print STDERR "usage: pad <filename> <multiple>\n";
13     exit 1;
14 }
15
16 my $filename = shift @ARGV;
17 my $multiple = shift @ARGV;
18
19 my $size = (-s $filename);
20 die "Couldn't get size of $filename: $!" if ( !defined $size );
21
22 my $num_pad = ($multiple - ($size % $multiple)) % $multiple;
23
24 my $buf = chr(0) x $num_pad;
25
26 my $fh = new FileHandle(">>$filename");
27 die "Couldn't open $filename: $!" if ( !defined $fh );
28 binmode $fh;
29 syswrite $fh, $buf, $num_pad, 0;
30 $fh->close();