Make it possible to build completely static, independent error C

[openssl.git] / util / mkerr.pl

diff --git a/util/mkerr.pl b/util/mkerr.pl
index 7d98b5234d91026c31cbebc9e784ceaeec5f8c3a..158b6af4240e8a573b5a42a3a88dcca3a7c611ec 100644 (file)
--- a/util/mkerr.pl
+++ b/util/mkerr.pl
@@ -7,7 +7,7 @@ my $static = 1;
 my $recurse = 0;
 my $reindex = 0;
 my $dowrite = 0;
-
+my $staticloader = "";
 
 while (@ARGV) {
        my $arg = $ARGV[0];
@@ -29,6 +29,9 @@ while (@ARGV) {
        } elsif($arg eq "-nostatic") {
                $static = 0;
                shift @ARGV;
+       } elsif($arg eq "-staticloader") {
+               $staticloader = "static ";
+               shift @ARGV;
        } elsif($arg eq "-write") {
                $dowrite = 1;
                shift @ARGV;
@@ -38,7 +41,7 @@ while (@ARGV) {
 }
 
 if($recurse) {
-       @source = (<crypto/*.c>, <crypto/*/*.c>, <rsaref/*.c>, <ssl/*.c>);
+       @source = (<crypto/*.c>, <crypto/*/*.c>, <ssl/*.c>);
 } else {
        @source = @ARGV;
 }
@@ -53,6 +56,7 @@ while(<IN>)
 {
        if(/^L\s+(\S+)\s+(\S+)\s+(\S+)/) {
                $hinc{$1} = $2;
+               $libinc{$2} = $1;
                $cskip{$3} = $1;
                if($3 ne "NONE") {
                        $csrc{$1} = $3;
@@ -74,7 +78,7 @@ close IN;
 # Scan each header file in turn and make a list of error codes
 # and function names
 
-while (($lib, $hdr) = each %hinc)
+while (($hdr, $lib) = each %libinc)
 {
        next if($hdr eq "NONE");
        print STDERR "Scanning header file $hdr\n" if $debug; 
@@ -155,6 +159,7 @@ while (($lib, $hdr) = each %hinc)
                if(/^#define\s+(\S+)\s+(\S+)/) {
                        $name = $1;
                        $code = $2;
+                       next if $name =~ /^${lib}err/;
                        unless($name =~ /^${lib}_([RF])_(\w+)$/) {
                                print STDERR "Invalid error code $name\n";
                                next;
@@ -188,9 +193,11 @@ while (($lib, $hdr) = each %hinc)
 # so all those unreferenced can be printed out.
 
 
+print STDERR "Files loaded: " if $debug;
 foreach $file (@source) {
        # Don't parse the error source file.
        next if exists $cskip{$file};
+       print STDERR $file if $debug;
        open(IN, "<$file") || die "Can't open source file $file\n";
        while(<IN>) {
                if(/(([A-Z0-9]+)_F_([A-Z0-9_]+))/) {
@@ -214,6 +221,7 @@ foreach $file (@source) {
        }
        close IN;
 }
+print STDERR "\n" if $debug;
 
 # Now process each library in turn.
 
@@ -257,7 +265,20 @@ foreach $lib (keys %csrc)
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
  */
-
+EOF
+       if($static) {
+               print OUT <<"EOF";
+${staticloader}void ERR_load_${lib}_strings(void);
+EOF
+       } else {
+               print OUT <<"EOF";
+${staticloader}void ERR_load_${lib}_strings(void);
+${staticloader}void ERR_unload_${lib}_strings(void);
+${staticloader}void ERR_${lib}_error(int function, int reason, char *file, int line);
+#define ${lib}err(f,r) ERR_${lib}_error((f),(r),__FILE__,__LINE__)
+EOF
+       }
+       print OUT <<"EOF";
 /* Error codes for the $lib functions. */
 
 /* Function codes. */
@@ -288,7 +309,6 @@ EOF
 }
 #endif
 #endif
-
 EOF
        close OUT;
 
@@ -382,7 +402,7 @@ EOF
 #include $hincf
 
 /* BEGIN ERROR CODES */
-#ifndef NO_ERR
+#ifndef OPENSSL_NO_ERR
 static ERR_STRING_DATA ${lib}_str_functs[]=
        {
 EOF
@@ -425,14 +445,14 @@ if($static) {
 
 #endif
 
-void ERR_load_${lib}_strings(void)
+${staticloader}void ERR_load_${lib}_strings(void)
        {
        static int init=1;
 
        if (init)
                {
                init=0;
-#ifndef NO_ERR
+#ifndef OPENSSL_NO_ERR
                ERR_load_strings(ERR_LIB_${lib},${lib}_str_functs);
                ERR_load_strings(ERR_LIB_${lib},${lib}_str_reasons);
 #endif
@@ -456,19 +476,18 @@ static ERR_STRING_DATA ${lib}_lib_name[]=
 #endif
 
 
-int ${lib}_lib_error_code=0;
+static int ${lib}_lib_error_code=0;
+static int ${lib}_error_init=1;
 
-void ERR_load_${lib}_strings(void)
+${staticloader}void ERR_load_${lib}_strings(void)
        {
-       static int init=1;
-
        if (${lib}_lib_error_code == 0)
                ${lib}_lib_error_code=ERR_get_next_error_library();
 
-       if (init)
+       if (${lib}_error_init)
                {
-               init=0;
-#ifndef NO_ERR
+               ${lib}_error_init=0;
+#ifndef OPENSSL_NO_ERR
                ERR_load_strings(${lib}_lib_error_code,${lib}_str_functs);
                ERR_load_strings(${lib}_lib_error_code,${lib}_str_reasons);
 #endif
@@ -480,7 +499,23 @@ void ERR_load_${lib}_strings(void)
                }
        }
 
-void ERR_${lib}_error(int function, int reason, char *file, int line)
+${staticloader}void ERR_unload_${lib}_strings(void)
+       {
+       if (${lib}_error_init == 0)
+               {
+#ifndef OPENSSL_NO_ERR
+               ERR_unload_strings(${lib}_lib_error_code,${lib}_str_functs);
+               ERR_unload_strings(${lib}_lib_error_code,${lib}_str_reasons);
+#endif
+
+#ifdef ${lib}_LIB_NAME
+               ERR_unload_strings(0,${lib}_lib_name);
+#endif
+               ${lib}_error_init=1;
+               }
+       }
+
+${staticloader}void ERR_${lib}_error(int function, int reason, char *file, int line)
        {
        if (${lib}_lib_error_code == 0)
                ${lib}_lib_error_code=ERR_get_next_error_library();