mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
530 lines
12 KiB
Perl
530 lines
12 KiB
Perl
#!/usr/local/bin/perl -w
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my $config = "crypto/err/openssl.ec";
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my $debug = 0;
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my $rebuild = 0;
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my $static = 1;
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my $recurse = 0;
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my $reindex = 0;
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my $dowrite = 0;
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while (@ARGV) {
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my $arg = $ARGV[0];
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if($arg eq "-conf") {
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shift @ARGV;
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$config = shift @ARGV;
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} elsif($arg eq "-debug") {
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$debug = 1;
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shift @ARGV;
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} elsif($arg eq "-rebuild") {
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$rebuild = 1;
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shift @ARGV;
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} elsif($arg eq "-recurse") {
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$recurse = 1;
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shift @ARGV;
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} elsif($arg eq "-reindex") {
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$reindex = 1;
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shift @ARGV;
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} elsif($arg eq "-nostatic") {
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$static = 0;
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shift @ARGV;
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} elsif($arg eq "-write") {
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$dowrite = 1;
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shift @ARGV;
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} else {
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last;
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}
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}
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if($recurse) {
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@source = (<crypto/*.c>, <crypto/*/*.c>, <ssl/*.c>);
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} else {
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@source = @ARGV;
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}
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# Read in the config file
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open(IN, "<$config") || die "Can't open config file $config";
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# Parse config file
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while(<IN>)
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{
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if(/^L\s+(\S+)\s+(\S+)\s+(\S+)/) {
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$hinc{$1} = $2;
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$cskip{$3} = $1;
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if($3 ne "NONE") {
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$csrc{$1} = $3;
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$fmax{$1} = 99;
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$rmax{$1} = 99;
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$fnew{$1} = 0;
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$rnew{$1} = 0;
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}
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} elsif (/^F\s+(\S+)/) {
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# Add extra function with $1
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} elsif (/^R\s+(\S+)\s+(\S+)/) {
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$rextra{$1} = $2;
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$rcodes{$1} = $2;
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}
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}
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close IN;
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# Scan each header file in turn and make a list of error codes
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# and function names
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while (($lib, $hdr) = each %hinc)
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{
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next if($hdr eq "NONE");
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print STDERR "Scanning header file $hdr\n" if $debug;
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open(IN, "<$hdr") || die "Can't open Header file $hdr\n";
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my $line = "", $def= "", $linenr = 0;
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while(<IN>) {
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$linenr++;
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print STDERR "line: $linenr\r" if $debug;
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last if(/BEGIN\s+ERROR\s+CODES/);
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if ($line ne '') {
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$_ = $line . $_;
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$line = '';
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}
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if (/\\$/) {
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$line = $_;
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next;
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}
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$cpp = 1 if /^#.*ifdef.*cplusplus/; # skip "C" declaration
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if ($cpp) {
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$cpp = 0 if /^#.*endif/;
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next;
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}
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next if (/^#/); # skip preprocessor directives
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s/\/\*.*?\*\///gs; # ignore comments
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s/{[^{}]*}//gs; # ignore {} blocks
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if (/{|\/\*/) { # Add a } so editor works...
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$line = $_;
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} else {
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$def .= $_;
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}
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}
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print STDERR " \r" if $debug;
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$defnr = 0;
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foreach (split /;/, $def) {
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$defnr++;
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print STDERR "def: $defnr\r" if $debug;
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s/^[\n\s]*//g;
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s/[\n\s]*$//g;
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next if(/typedef\W/);
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if (/\(\*(\w*)\([^\)]+/) {
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my $name = $1;
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$name =~ tr/[a-z]/[A-Z]/;
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$ftrans{$name} = $1;
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} elsif (/\w+\W+(\w+)\W*\(\s*\)$/s){
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# K&R C
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next ;
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} elsif (/\w+\W+\w+\W*\(.*\)$/s) {
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while (not /\(\)$/s) {
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s/[^\(\)]*\)$/\)/s;
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s/\([^\(\)]*\)\)$/\)/s;
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}
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s/\(void\)//;
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/(\w+)\W*\(\)/s;
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my $name = $1;
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$name =~ tr/[a-z]/[A-Z]/;
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$ftrans{$name} = $1;
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} elsif (/\(/ and not (/=/ or /DECLARE_STACK/)) {
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print STDERR "Header $hdr: cannot parse: $_;\n";
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}
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}
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print STDERR " \r" if $debug;
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next if $reindex;
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# Scan function and reason codes and store them: keep a note of the
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# maximum code used.
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while(<IN>) {
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if(/^#define\s+(\S+)\s+(\S+)/) {
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$name = $1;
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$code = $2;
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unless($name =~ /^${lib}_([RF])_(\w+)$/) {
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print STDERR "Invalid error code $name\n";
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next;
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}
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if($1 eq "R") {
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$rcodes{$name} = $code;
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if(!(exists $rextra{$name}) &&
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($code > $rmax{$lib}) ) {
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$rmax{$lib} = $code;
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}
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} else {
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if($code > $fmax{$lib}) {
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$fmax{$lib} = $code;
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}
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$fcodes{$name} = $code;
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}
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}
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}
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close IN;
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}
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# Scan each C source file and look for function and reason codes
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# This is done by looking for strings that "look like" function or
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# reason codes: basically anything consisting of all upper case and
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# numerics which has _F_ or _R_ in it and which has the name of an
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# error library at the start. This seems to work fine except for the
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# oddly named structure BIO_F_CTX which needs to be ignored.
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# If a code doesn't exist in list compiled from headers then mark it
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# with the value "X" as a place holder to give it a value later.
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# Store all function and reason codes found in %ufcodes and %urcodes
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# so all those unreferenced can be printed out.
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foreach $file (@source) {
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# Don't parse the error source file.
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next if exists $cskip{$file};
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open(IN, "<$file") || die "Can't open source file $file\n";
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while(<IN>) {
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if(/(([A-Z0-9]+)_F_([A-Z0-9_]+))/) {
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next unless exists $csrc{$2};
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next if($1 eq "BIO_F_BUFFER_CTX");
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$ufcodes{$1} = 1;
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if(!exists $fcodes{$1}) {
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$fcodes{$1} = "X";
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$fnew{$2}++;
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}
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$notrans{$1} = 1 unless exists $ftrans{$3};
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}
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if(/(([A-Z0-9]+)_R_[A-Z0-9_]+)/) {
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next unless exists $csrc{$2};
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$urcodes{$1} = 1;
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if(!exists $rcodes{$1}) {
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$rcodes{$1} = "X";
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$rnew{$2}++;
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}
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}
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}
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close IN;
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}
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# Now process each library in turn.
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foreach $lib (keys %csrc)
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{
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my $hfile = $hinc{$lib};
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my $cfile = $csrc{$lib};
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if(!$fnew{$lib} && !$rnew{$lib}) {
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print STDERR "$lib:\t\tNo new error codes\n";
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next unless $rebuild;
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} else {
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print STDERR "$lib:\t\t$fnew{$lib} New Functions,";
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print STDERR " $rnew{$lib} New Reasons.\n";
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next unless $dowrite;
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}
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# If we get here then we have some new error codes so we
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# need to rebuild the header file and C file.
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# Make a sorted list of error and reason codes for later use.
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my @function = sort grep(/^${lib}_/,keys %fcodes);
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my @reasons = sort grep(/^${lib}_/,keys %rcodes);
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# Rewrite the header file
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open(IN, "<$hfile") || die "Can't Open Header File $hfile\n";
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# Copy across the old file
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while(<IN>) {
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push @out, $_;
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last if (/BEGIN ERROR CODES/);
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}
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close IN;
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open (OUT, ">$hfile") || die "Can't Open File $hfile for writing\n";
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print OUT @out;
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undef @out;
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print OUT <<"EOF";
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/* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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/* Error codes for the $lib functions. */
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/* Function codes. */
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EOF
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foreach $i (@function) {
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$z=6-int(length($i)/8);
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if($fcodes{$i} eq "X") {
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$fcodes{$i} = ++$fmax{$lib};
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print STDERR "New Function code $i\n" if $debug;
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}
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printf OUT "#define $i%s $fcodes{$i}\n","\t" x $z;
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}
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print OUT "\n/* Reason codes. */\n";
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foreach $i (@reasons) {
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$z=6-int(length($i)/8);
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if($rcodes{$i} eq "X") {
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$rcodes{$i} = ++$rmax{$lib};
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print STDERR "New Reason code $i\n" if $debug;
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}
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printf OUT "#define $i%s $rcodes{$i}\n","\t" x $z;
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}
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print OUT <<"EOF";
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#ifdef __cplusplus
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}
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#endif
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#endif
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EOF
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close OUT;
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# Rewrite the C source file containing the error details.
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# First, read any existing reason string definitions:
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my %err_reason_strings;
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if (open(IN,"<$cfile")) {
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while (<IN>) {
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if (/\b(${lib}_R_\w*)\b.*\"(.*)\"/) {
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$err_reason_strings{$1} = $2;
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}
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}
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close(IN);
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}
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my $hincf;
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if($static) {
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$hfile =~ /([^\/]+)$/;
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$hincf = "<openssl/$1>";
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} else {
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$hincf = "\"$hfile\"";
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}
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open (OUT,">$cfile") || die "Can't open $cfile for writing";
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print OUT <<"EOF";
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/* $cfile */
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core\@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay\@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh\@cryptsoft.com).
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*
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*/
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/* NOTE: this file was auto generated by the mkerr.pl script: any changes
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* made to it will be overwritten when the script next updates this file,
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* only reason strings will be preserved.
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*/
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#include <stdio.h>
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#include <openssl/err.h>
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#include $hincf
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/* BEGIN ERROR CODES */
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#ifndef NO_ERR
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static ERR_STRING_DATA ${lib}_str_functs[]=
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{
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EOF
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# Add each function code: if a function name is found then use it.
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foreach $i (@function) {
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my $fn;
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$i =~ /^${lib}_F_(\S+)$/;
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$fn = $1;
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if(exists $ftrans{$fn}) {
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$fn = $ftrans{$fn};
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}
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print OUT "{ERR_PACK(0,$i,0),\t\"$fn\"},\n";
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}
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print OUT <<"EOF";
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{0,NULL}
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};
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static ERR_STRING_DATA ${lib}_str_reasons[]=
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{
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EOF
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# Add each reason code.
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foreach $i (@reasons) {
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my $rn;
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my $nspc = 0;
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if (exists $err_reason_strings{$i}) {
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$rn = $err_reason_strings{$i};
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} else {
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$i =~ /^${lib}_R_(\S+)$/;
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$rn = $1;
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$rn =~ tr/_[A-Z]/ [a-z]/;
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}
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$nspc = 40 - length($i) unless length($i) > 40;
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$nspc = " " x $nspc;
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print OUT "{${i}${nspc},\"$rn\"},\n";
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}
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if($static) {
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print OUT <<"EOF";
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{0,NULL}
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};
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#endif
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void ERR_load_${lib}_strings(void)
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{
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static int init=1;
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if (init)
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{
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init=0;
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#ifndef NO_ERR
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ERR_load_strings(ERR_LIB_${lib},${lib}_str_functs);
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ERR_load_strings(ERR_LIB_${lib},${lib}_str_reasons);
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#endif
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}
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}
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EOF
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} else {
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print OUT <<"EOF";
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{0,NULL}
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};
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#endif
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#ifdef ${lib}_LIB_NAME
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static ERR_STRING_DATA ${lib}_lib_name[]=
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{
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{0 ,${lib}_LIB_NAME},
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{0,NULL}
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};
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#endif
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int ${lib}_lib_error_code=0;
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void ERR_load_${lib}_strings(void)
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{
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static int init=1;
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if (${lib}_lib_error_code == 0)
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${lib}_lib_error_code=ERR_get_next_error_library();
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if (init)
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{
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init=0;
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#ifndef NO_ERR
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ERR_load_strings(${lib}_lib_error_code,${lib}_str_functs);
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ERR_load_strings(${lib}_lib_error_code,${lib}_str_reasons);
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#endif
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#ifdef ${lib}_LIB_NAME
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${lib}_lib_name->error = ERR_PACK(${lib}_lib_error_code,0,0);
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ERR_load_strings(0,${lib}_lib_name);
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#endif
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}
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}
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void ERR_${lib}_error(int function, int reason, char *file, int line)
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{
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if (${lib}_lib_error_code == 0)
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${lib}_lib_error_code=ERR_get_next_error_library();
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ERR_PUT_error(${lib}_lib_error_code,function,reason,file,line);
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}
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EOF
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}
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close OUT;
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undef %err_reason_strings;
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}
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if($debug && defined(%notrans)) {
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print STDERR "The following function codes were not translated:\n";
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foreach(sort keys %notrans)
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{
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print STDERR "$_\n";
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}
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}
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# Make a list of unreferenced function and reason codes
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foreach (keys %fcodes) {
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push (@funref, $_) unless exists $ufcodes{$_};
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}
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foreach (keys %rcodes) {
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push (@runref, $_) unless exists $urcodes{$_};
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}
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if($debug && defined(@funref) ) {
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print STDERR "The following function codes were not referenced:\n";
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foreach(sort @funref)
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{
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print STDERR "$_\n";
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}
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}
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if($debug && defined(@runref) ) {
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print STDERR "The following reason codes were not referenced:\n";
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foreach(sort @runref)
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{
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print STDERR "$_\n";
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}
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}
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