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fix alignment of files and length of final pad

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This commit is contained in:
Trammell hudson 2018-01-20 17:29:23 -05:00
parent ed5220b489
commit fcf8e57b68
Failed to extract signature
1 changed files with 13 additions and 10 deletions
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23
bin/create-fv
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@ -110,11 +110,6 @@ while(<>)
die "\n" unless $force;
}
warn sprintf "%s: 0x%x bytes\n",
$ARGV,
length $_,
if $verbose;
# force at least 8 byte alignment for the section
my $unaligned = $length % 8;
$_ .= chr(0xFF) x (8 - $unaligned)
@ -125,12 +120,20 @@ while(<>)
my $block_unaligned = $block_size - (length($data) % $block_size);
$block_unaligned += $block_size if $block_unaligned < 0x18;
$data .= pad($block_unaligned - 0x18) . $_;
$data .= pad($block_unaligned - 0x18);
warn sprintf "%s: 0x%x bytes offset %x\n",
$ARGV,
length $_,
length $data
if $verbose;
# finally add the section
$data .= $_;
}
if ($hdr_len + length $data > $size)
if (length $data > $size)
{
warn sprintf "%s: data size 0x%x > volume size 0x%x\n",
$output,
@ -139,14 +142,14 @@ if ($hdr_len + length $data > $size)
;
die "\n" unless $force;
} else {
# pad out with empty space
# pad out with empty space to the end of the volume
warn sprintf "%s: 0x%x out of 0x%x\n",
$output,
$hdr_len + length $data,
length $data,
$size,
if $verbose;
$data .= chr(0xFF) x ($size - (length($data) - $hdr_len));
$data .= chr(0xFF) x ($size - length($data));
}
if ($output eq '-')