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|
#!/usr/bin/perl
use strict;
use warnings;
my $amount = 10;
my $maxLen = 509;
srand(0);
my $templateFile = 'testLits.h.template';
my $outFile = 'testLits.h';
open(TF, $templateFile);
open(OUT, '>'.$outFile);
select OUT;
my $inLoop = 0;
my $loopText = '';
foreach my $line (<TF>) {
$line =~ s/\@amount/$amount/g;
if (!$inLoop) {
if ($line =~ /\@forEachRandomString/) {
$inLoop = 1;
next;
}
print $line;
} elsif ($inLoop == 1) {
if ($line =~ /\@end/) {
$inLoop = 0;
#handle $loopText
for (my $i=0; $i<$amount; $i++) {
my $str = randomCString($maxLen);
my $lt = $loopText;
$lt =~ s/\@i/$i/g;
$lt =~ s/\@str/\"$str\"/g;
print "$lt\n";
}
$loopText = '';
next;
}
$loopText .= $line;
}
}
close(OUT);
close(TF);
#argument: maxLen
sub randomCString {
my $len = int(rand($_[0]+1));
my $lastWasHex = 0;
my $str = '';
for (my $i=0; $i<$len; $i++) {
my $cn = int(rand(255)) + 1;
my $c = chr($cn);
if ($lastWasHex && ($c =~ /[0-9A-Fa-f]/)) {
$lastWasHex = 1;
$str .= sprintf("\\x%02X", $cn);
} elsif ($c =~ /[\t\n\013\f\r]/) {
$lastWasHex = 0;
$c =~ tr/\t\n\013\f\r/tnvfr/;
$str .= '\\'.$c;
} elsif ($cn<32 || $cn>126) {
$lastWasHex = 1;
$str .= sprintf("\\x%02X", $cn);
} else {
$lastWasHex = 0;
if ($c =~ /[\"\\]/) {
$str .= '\\'.$c;
} else {
$str .= $c;
}
}
}
return $str;
}
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