tag/Generic: fail if InputStream is not seekable

e8a0ce64 · Max Kellermann · 9ed4fac3 · e8a0ce64
Commit e8a0ce64 authored May 31, 2019 by Max Kellermann
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Generic.cxx src/tag/Generic.cxx +3 -0

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--- a/src/tag/Generic.cxx
+++ b/src/tag/Generic.cxx
@@ -31,6 +31,9 @@
 bool
 ScanGenericTags(InputStream &is, TagHandler &handler)
 {
+	if (!is.IsSeekable())
+		return false;
+
 	if (tag_ape_scan2(is, handler))
 		return true;