glob('*.c') to find documentation is dangerous when run in unclean

trees, so isntead use MANIFEST to only scan the legitimate source
files.

p4raw-id: //depot/perl@23127

1 files changed, 10 insertions, 2 deletions

diff --git a/autodoc.pl b/autodoc.pl
index da05962b45..c87f114fc8 100644
--- a/autodoc.pl
+++ b/autodoc.pl
@@ -6,7 +6,7 @@ require 5.003;	# keep this compatible, an old perl is all we may have before
 BEGIN {
   push @INC, 'lib';
   require 'regen_lib.pl';
-}	# glob() below requires File::Glob
+}
 
 
 #
@@ -140,7 +140,15 @@ removed without notice.\n\n" if $flags =~ /x/;
 }
 
 my $file;
-for $file (glob('*.c'), glob('*.h')) {
+# glob() picks up docs from extra .c or .h files that may be in unclean
+# development trees.
+my $MANIFEST = do {
+  local ($/, *FH);
+  open FH, "MANIFEST" or die "Can't open MANIFEST: $!";
+  <FH>;
+};
+
+for $file (($MANIFEST =~ /^(\S+\.c)\t/gm), ($MANIFEST =~ /^(\S+\.h)\t/gm)) {
     open F, "< $file" or die "Cannot open $file for docs: $!\n";
     $curheader = "Functions in file $file\n";
     autodoc(\*F,$file);