From f9f6083daebcc935b890b7402ead8abd06a92d65 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 25 Jan 2012 21:40:45 +0000
Subject: [PATCH] bdftopcf: special-case "no bdf data" return

---
 update-xfonts-traditional | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/update-xfonts-traditional b/update-xfonts-traditional
index 619e2fa..fc750da 100755
--- a/update-xfonts-traditional
+++ b/update-xfonts-traditional
@@ -59,7 +59,9 @@ sub processbdf ($$$$) {
     my ($w,$h,$xo,$yo,$y,$bitmap,$glyph);
     my $modified=0;
     %props = ();
+    my $anyinput=0;
     while (<$inbdf>) {
+	$anyinput=1;
 	if ($state eq 'bitmap' && $y==$h) {
 	    $glyph = uc $glyph;
 	    $glyph =~ s/\;$//;
@@ -124,6 +126,8 @@ sub processbdf ($$$$) {
     die $! if $inbdf->error;
     die $! if $outbdf->error or !$outbdf->flush;
     die unless $state eq 'idle';
+    return 'no bdf data' # also special cased in processpcfgz
+	if !$anyinput;
     if ($modified) {
 	printf $logfile "%s: %d glyphs changed\n", $what, $modified
 	    or die $!;
-- 
2.30.2