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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-01-18 14:01:04 +0200
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-01-18 14:04:15 +0200
commitc842430437cbf2e584994c8eba71bf29bab6cdfc (patch)
tree74db9d2fd6d711ccffe104386ddab9055fc38f14 /ubi-utils/scripts/ubicrc32.pl
parent5d048c343fa24e33741ee4e921650f77ab510f81 (diff)
ubi-utils: move various stuff to sort-me-out
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'ubi-utils/scripts/ubicrc32.pl')
-rw-r--r--ubi-utils/scripts/ubicrc32.pl74
1 files changed, 0 insertions, 74 deletions
diff --git a/ubi-utils/scripts/ubicrc32.pl b/ubi-utils/scripts/ubicrc32.pl
deleted file mode 100644
index 92711cb..0000000
--- a/ubi-utils/scripts/ubicrc32.pl
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/usr/bin/perl -w
-
-# Subroutine crc32(): Calculates the CRC on a given string.
-
-{
- my @table = ();
-
- # @brief Calculate CRC32 for a given string.
- sub crc32
- {
- unless (@table) {
- # Initialize the CRC table
- my $poly = 0xEDB88320;
- @table = ();
-
- for my $i (0..255) {
- my $c = $i;
-
- for my $j (0..7) {
- $c = ($c & 1) ? (($c >> 1) ^ $poly) : ($c >> 1);
- }
- $table[$i] = $c;
- }
- }
- my $s = shift; # string to calculate the CRC for
- my $crc = shift; # CRC start value
-
- defined($crc)
- or $crc = 0xffffffff; # Default CRC start value
-
- for (my $i = 0; $i < length($s); $i++) {
- $crc = $table[($crc ^ ord(substr($s, $i, 1))) & 0xff]
- ^ ($crc >> 8);
- }
- return $crc;
- }
-}
-
-sub crc32_on_file
-{
- my $file = shift;
-
- my $crc32 = crc32('');
- my $buf = '';
- my $ret = 0;
-
- while ($ret = read($file, $buf, 8192)) {
- $crc32 = crc32($buf, $crc32);
- }
- defined($ret)
- or return undef;
- printf("0x%x\n", $crc32);
-}
-
-
-# Main routine: Calculate the CRCs on the given files and print the
-# results.
-
-{
- if (@ARGV) {
- while (my $path = shift) {
- my $file;
- open $file, "<", $path
- or die "Error opening '$path'.\n";
-
- &crc32_on_file($file)
- or die "Error reading from '$path'.\n";
- close $file;
- }
- } else {
- &crc32_on_file(\*STDIN)
- or die "Error reading from stdin.\n";
- }
-}