Safe stack reorganisation in terms of function casts.
[openssl.git] / util / mkstack.pl
index 30f1722..6cdab47 100755 (executable)
@@ -42,71 +42,65 @@ foreach $file (@source) {
 
        # Open the .c/.h file for reading
        open(IN, "< $file") || die "Can't open $file for reading: $!";
-       open(OUT, "> $file.tmp") || die "Can't open $file.tmp for writing: $!";
 
-       select(OUT);
-       process_the_file();
-
-       close(OUT);
+       while(<IN>) {
+               if (/^DECLARE_STACK_OF\(([^)]+)\)/) {
+                       push @stacklst, $1;
+               }
+       }
        close(IN);
-
-       unlink($file);
-       rename("$file.tmp", $file);
+       write_defines("crypto/stack/safestack");
+       unlink("crypto/stack/safestack.h");
+       rename("crypto/stack/safestack.tmp","crypto/stack/safestack.h");
 }
 
-sub process_the_file {
+sub write_defines {
 
+       my $stackfile = $_[0];
        my $inside_block = 0;
-       my $output_defines = 0;
-
+       open IN, "< $stackfile.h" || die "Can't open input file";
+       open OUT, "> $stackfile.tmp" || die "Can't open output file";
        while(<IN>) {
-               if (/^DECLARE_STACK_OF\(([^)]+)\)/) {
-                       $type_thing = $1;
-                       $output_defines = 1;
-               }
                if (m|^/\* This block of defines is updated by a perl script, please do not touch! \*/|) {
                        $inside_block = 1;
                }
                if (m|^/\* End of perl script block, you may now edit :-\) \*/|) {
                        $inside_block = 0;
                } elsif ($inside_block == 0) {
-                       print;
+                       print OUT;
                }
-               if($output_defines == 1) {
-                       print <<EOF;
+               next if($inside_block != 1);
+               print OUT <<EOF;
 /* This block of defines is updated by a perl script, please do not touch! */
-#ifndef DEBUG_SAFESTACK
-       #define sk_${type_thing}_new(a) sk_new((int (*) \\
-               (const char * const *, const char * const *))(a))
-       #define sk_${type_thing}_new_null() sk_new_null()
-       #define sk_${type_thing}_free(a) sk_free(a)
-       #define sk_${type_thing}_num(a) sk_num(a)
-       #define sk_${type_thing}_value(a,b) ((${type_thing} *) \\
-               sk_value((a),(b)))
-       #define sk_${type_thing}_set(a,b,c) ((${type_thing} *) \\
-               sk_set((a),(b),(char *)(c)))
-       #define sk_${type_thing}_zero(a) sk_zero(a)
-       #define sk_${type_thing}_push(a,b) sk_push((a),(char *)(b))
-       #define sk_${type_thing}_unshift(a,b) sk_unshift((a),(b))
-       #define sk_${type_thing}_find(a,b) sk_find((a), (char *)(b))
-       #define sk_${type_thing}_delete(a,b) ((${type_thing} *) \\
-               sk_delete((a),(b)))
-       #define sk_${type_thing}_delete_ptr(a,b) ((${type_thing} *) \\
-               sk_delete_ptr((a),(char *)(b)))
-       #define sk_${type_thing}_insert(a,b,c) sk_insert((a),(char *)(b),(c))
-       #define sk_${type_thing}_set_cmp_func(a,b) ((int (*) \\
-               (const ${type_thing} * const *,const ${type_thing} * const *)) \\
-               sk_set_cmp_func((a),(int (*) \\
-               (const char * const *, const char * const *))(b)))
-       #define sk_${type_thing}_dup(a) sk_dup(a)
-       #define sk_${type_thing}_pop_free(a,b) sk_pop_free((a),(void (*)(void *))(b))
-       #define sk_${type_thing}_shift(a) ((${type_thing} *)sk_shift(a))
-       #define sk_${type_thing}_pop(a) ((${type_thing} *)sk_pop(a))
-       #define sk_${type_thing}_sort(a) sk_sort(a)
-#endif /* !DEBUG_SAFESTACK */
+EOF
+       foreach $type_thing (@stacklst) {
+print OUT <<EOF;
+       #define sk_${type_thing}_new(a) SKM_sk_new($type_thing, (a))
+       #define sk_${type_thing}_new_null() SKM_sk_new_null($type_thing)
+       #define sk_${type_thing}_free(a) SKM_sk_free($type_thing, (a))
+       #define sk_${type_thing}_num(a) SKM_sk_num($type_thing, (a))
+       #define sk_${type_thing}_value(a,b) SKM_sk_value($type_thing, (a), (b))
+       #define sk_${type_thing}_set(a,b,c) SKM_sk_set($type_thing, (a), (b), (c))
+       #define sk_${type_thing}_zero(a) SKM_sk_zero($type_thing, (a))
+       #define sk_${type_thing}_push(a,b) SKM_sk_push($type_thing, (a),(b))
+       #define sk_${type_thing}_unshift(a,b) SKM_sk_unshift($type_thing, (a),(b))
+       #define sk_${type_thing}_find(a,b) SKM_sk_find($type_thing, (a), (b))
+       #define sk_${type_thing}_delete(a,b) SKM_sk_delete($type_thing, (a),(b))
+       #define sk_${type_thing}_delete_ptr(a,b) SKM_sk_delete_ptr($type_thing, (a),(b))
+       #define sk_${type_thing}_insert(a,b,c) SKM_sk_insert($type_thing, (a),(b),(c))
+       #define sk_${type_thing}_set_cmp_func(a,b) SKM_sk_set_cmp_func($type_thing, (a),(b))
+       #define sk_${type_thing}_dup(a) SKM_sk_dup($type_thing, a)
+       #define sk_${type_thing}_pop_free(a,b) SKM_sk_pop_free($type_thing, (a),(b))
+       #define sk_${type_thing}_shift(a) SKM_sk_shift($type_thing, (a))
+       #define sk_${type_thing}_pop(a) SKM_sk_pop($type_thing, (a))
+       #define sk_${type_thing}_sort(a) SKM_sk_sort($type_thing, (a))
+
+EOF
+       }
+print OUT <<EOF;
 /* End of perl script block, you may now edit :-) */
 EOF
-                       $output_defines = 0;
-               }
+       $inside_block = 2;
        }
+       close OUT;
 }