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authorJörg Frings-Fürst <debian@jff.email>2023-06-14 20:35:58 +0200
committerJörg Frings-Fürst <debian@jff.email>2023-06-14 20:35:58 +0200
commitd443a3c2509889533ca812c163056bace396b586 (patch)
treee94ffc0d9c054ca4efb8fb327e18dfac88e15dc7 /src/photos/TiffSupport.vala
parentbb9797c14470641b082ebf635e2ae3cfd5f27a3b (diff)
New upstream version 0.32.1upstream/0.32.1
Diffstat (limited to 'src/photos/TiffSupport.vala')
-rw-r--r--src/photos/TiffSupport.vala6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/photos/TiffSupport.vala b/src/photos/TiffSupport.vala
index 7ed8b98..cadcd0e 100644
--- a/src/photos/TiffSupport.vala
+++ b/src/photos/TiffSupport.vala
@@ -151,6 +151,9 @@ private class TiffMetadataWriter : PhotoFileMetadataWriter {
}
}
+private const uint16 FILE_MARKER_TIFF = 42;
+private const uint16 FILE_MARKER_BIGTIFF = 43;
+
public bool is_tiff(File file, Cancellable? cancellable = null) throws Error {
DataInputStream dins = new DataInputStream(file.read());
@@ -173,8 +176,9 @@ public bool is_tiff(File file, Cancellable? cancellable = null) throws Error {
// second two bytes: some random number
uint16 lue = dins.read_uint16(cancellable);
- if (lue != 42)
+ if (lue != FILE_MARKER_TIFF && lue != FILE_MARKER_BIGTIFF) {
return false;
+ }
// remaining bytes are offset of first IFD, which doesn't matter for our purposes
return true;