Revision: 7225
http://skim-app.svn.sourceforge.net/skim-app/?rev=7225&view=rev
Author: hofman
Date: 2011-05-11 15:15:46 +0000 (Wed, 11 May 2011)
Log Message:
-----------
sanity check
Modified Paths:
--------------
trunk/PDFDocument_SKExtensions.m
Modified: trunk/PDFDocument_SKExtensions.m
===================================================================
--- trunk/PDFDocument_SKExtensions.m 2011-05-11 11:34:23 UTC (rev 7224)
+++ trunk/PDFDocument_SKExtensions.m 2011-05-11 15:15:46 UTC (rev 7225)
@@ -149,6 +149,9 @@
}
- (NSArray *)fileIDStrings {
+ if ([self respondsToSelector:@selector(documentRef)] == NO)
+ return nil;
+
CGPDFDocumentRef doc = (CGPDFDocumentRef)[self documentRef];
CGPDFArrayRef idArray = CGPDFDocumentGetID(doc);
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