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			75 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/perl
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#
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use strict;
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my ($include_dir, $data_dir, $feature_file);
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if( @ARGV ) {
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    die "Invalid number of arguments" if scalar @ARGV != 3;
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    ($include_dir, $data_dir, $feature_file) = @ARGV;
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    -d $include_dir or die "No such directory: $include_dir\n";
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    -d $data_dir or die "No such directory: $data_dir\n";
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} else {
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    $include_dir = 'include/polarssl';
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    $data_dir = 'scripts/data_files';
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    $feature_file = 'library/version_features.c';
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    unless( -d $include_dir && -d $data_dir ) {
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        chdir '..' or die;
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        -d $include_dir && -d $data_dir
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            or die "Without arguments, must be run from root or scripts\n"
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    }
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}
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my $feature_format_file = $data_dir.'/version_features.fmt';
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my @sections = ( "System support", "mbed TLS modules",
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                 "mbed TLS feature support" );
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my $line_separator = $/;
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undef $/;
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open(FORMAT_FILE, "$feature_format_file") or die "Opening feature format file '$feature_format_file': $!";
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my $feature_format = <FORMAT_FILE>;
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close(FORMAT_FILE);
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$/ = $line_separator;
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open(CONFIG_H, "$include_dir/config.h") || die("Failure when opening config.h: $!");
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my $feature_defines = "";
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my $in_section = 0;
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while (my $line = <CONFIG_H>)
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{
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    next if ($in_section && $line !~ /#define/ && $line !~ /SECTION/);
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    next if (!$in_section && $line !~ /SECTION/);
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    if ($in_section) {
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        if ($line =~ /SECTION/) {
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            $in_section = 0;
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            next;
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        }
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        my ($define) = $line =~ /#define (\w+)/;
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        $feature_defines .= "#if defined(${define})\n";
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        $feature_defines .= "    \"${define}\",\n";
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        $feature_defines .= "#endif /* ${define} */\n";
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    }
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    if (!$in_section) {
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        my ($section_name) = $line =~ /SECTION: ([\w ]+)/;
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        my $found_section = grep $_ eq $section_name, @sections;
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        $in_section = 1 if ($found_section);
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    }
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};
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$feature_format =~ s/FEATURE_DEFINES\n/$feature_defines/g;
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open(ERROR_FILE, ">$feature_file") or die "Opening destination file '$feature_file': $!";
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print ERROR_FILE $feature_format;
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close(ERROR_FILE);
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