Fix OTS issue with empty index (mozilla#15289)

signosoft · Aug 10, 2022 · 222c109 · 222c109
1 parent fca82b7
commit 222c109
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Showing 3 changed files with 13 additions and 3 deletions.
diff --git a/src/core/cff_parser.js b/src/core/cff_parser.js
@@ -1864,10 +1864,9 @@ class CFFCompiler {
  // First 2 bytes contains the number of objects contained into this index
  const count = objects.length;
 
- // If there is no object, just create an index. This technically
- // should just be [0, 0] but OTS has an issue with that.
+ // If there is no object, just create an index.
  if (count === 0) {
- return [0, 0, 0];
+ return [0, 0];
  }
 
  const data = [(count >> 8) & 0xff, count & 0xff];

diff --git a/test/pdfs/issue15289.pdf.link b/test/pdfs/issue15289.pdf.link
@@ -0,0 +1,2 @@
+https://github.com/mozilla/pdf.js/files/9280755/issue15289.pdf
+
diff --git a/test/test_manifest.json b/test/test_manifest.json
@@ -6882,5 +6882,14 @@
  "md5": "8505033d63625dfd77e90a3722b0c316",
  "rounds": 1,
  "type": "eq"
+ },
+ { "id": "issue15289",
+ "file": "pdfs/issue15289.pdf",
+ "md5": "f3d20aee398e052ac3dce7cc030f50de",
+ "link": true,
+ "rounds": 1,
+ "firstPage": 1,
+ "lastPage": 1,
+ "type": "eq"
  }
 ]