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generate_errors.pl: add mbedtls header shadowing by crypto headers

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Abort script upon encountering a duplicated error
This commit is contained in:
Andrzej Kurek 2019-04-09 03:28:53 -04:00
parent 92f91fc9ff
commit 91c6030584
1 changed files with 27 additions and 14 deletions
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41
scripts/generate_errors.pl
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@ -4,6 +4,7 @@
#
# Usage: ./generate_errors.pl or scripts/generate_errors.pl without arguments,
# or generate_errors.pl include_dir data_dir error_file include_crypto
# Include crypto can be either 0 (don't include) or 1 (include). On by default.
use strict;
@ -16,15 +17,12 @@ if( @ARGV ) {
-d $include_dir or die "No such directory: $include_dir\n";
-d $data_dir or die "No such directory: $data_dir\n";
if( $include_crypto ) {
-d $crypto_dir or die "Crypto submodule not present\n";
}
} else {
$include_dir = 'include/mbedtls';
$data_dir = 'scripts/data_files';
$error_file = 'library/error.c';
$include_crypto = 1;
-d $crypto_dir or die "Crypto submodule not present\n";
unless( -d $include_dir && -d $data_dir ) {
chdir '..' or die;
-d $include_dir && -d $data_dir
@ -32,6 +30,10 @@ if( @ARGV ) {
}
}
if( $include_crypto ) {
-d $crypto_include_dir or die "Crypto submodule not present\n";
}
my $error_format_file = $data_dir.'/error.fmt';
my @low_level_modules = qw( AES ARC4 ARIA ASN1 BASE64 BIGNUM BLOWFISH
@ -52,14 +54,31 @@ close(FORMAT_FILE);
$/ = $line_separator;
my @files = <$include_dir/*.h>;
my %files;
if( $include_crypto ) {
@files = (<$include_dir/*.h>,<$crypto_dir/$include_dir/*.h>);
my @crypto_headers = <$crypto_dir/$include_dir/*.h>;
my @mbedtls_files = <$include_dir/*.h>;
$files{$_}++ for (@crypto_headers);
foreach my $file (@mbedtls_files) {
my $stripped_filename = substr($file, rindex($file,"/")+1, length($file)-rindex($file,"/")-1);
my $crypto_counterpart = "$crypto_dir/$include_dir/$stripped_filename";
if ( exists $files{$crypto_counterpart} ){
next;
}
else{
push(@{$files{$file}});
}
}
}
else{
my @headers = <$include_dir/*.h>;
$files{$_}++ for (@headers);
}
my @matches;
foreach my $file (@files) {
foreach my $file (sort keys %files) {
open(FILE, "$file");
my @grep_res = grep(/^\s*#define\s+MBEDTLS_ERR_\w+\s+\-0x[0-9A-Fa-f]+/, <FILE>);
push(@matches, @grep_res);
@ -84,13 +103,7 @@ foreach my $line (@matches)
my ($description) = $line =~ /\/\*\*< (.*?)\.? \*\//;
if( $error_codes_seen{$error_code}++ ) {
if( $include_crypto ) {
print "Duplicated error code: $error_code ($error_name)\n";
next;
}
else {
die "Duplicated error code: $error_code ($error_name)\n" ;
}
die "Duplicated error code: $error_code ($error_name)\n";
}
$description =~ s/\\/\\\\/g;