From b15462bc7e30a2bade792269de07c0acd800e27c Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Mon, 11 Jul 2005 01:06:58 +0000
Subject: [PATCH] (OTF_check_features): Even if failed in getting features, if
 all requested features are negative, return 1.

---
 src/otfopen.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/otfopen.c b/src/otfopen.c
index abb4636..d2216a0 100644
--- a/src/otfopen.c
+++ b/src/otfopen.c
@@ -2927,7 +2927,18 @@ OTF_check_features (OTF *otf, int gsubp,
   int i, j;
 
   if (OTF_get_features (otf, gsubp) < 0)
-    return -1;
+    {
+      for (i = 0; i < n_features; i++)
+	{
+	  OTF_Tag feature = features[i];
+
+	  if (feature == 0)
+	    continue;
+	  if ((((unsigned) feature) & 0x80000000) == 0)
+	    return -1;
+	}
+      return 1;
+    }
   if (gsubp)
     {
       script_list = &otf->gsub->ScriptList;
-- 
1.7.10.4