From 7a7cdad566814ed0fe142e686bb22157f6dba3ae Mon Sep 17 00:00:00 2001
From: "B. Petersen" <r10s@b44t.com>
Date: Thu, 6 Aug 2020 23:45:37 +0200
Subject: [PATCH] fix dc_get_filemeta()

---
 src/dc_tools.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dc_tools.rs b/src/dc_tools.rs
index 12034c47e..1d887edde 100644
--- a/src/dc_tools.rs
+++ b/src/dc_tools.rs
@@ -243,7 +243,7 @@ pub fn dc_get_filesuffix_lc(path_filename: impl AsRef<str>) -> Option<String> {
 
 /// Returns the `(width, height)` of the given image buffer.
 pub fn dc_get_filemeta(buf: &[u8]) -> Result<(u32, u32), Error> {
-    let image = image::io::Reader::new(Cursor::new(buf));
+    let image = image::io::Reader::new(Cursor::new(buf)).with_guessed_format()?;
     let dimensions = image.into_dimensions()?;
     Ok(dimensions)
 }