Merge pull request #93 from toaarnio/master

Fix failure to decode a minimal 1 x 1 pixel JPEG
hMatoba · Jul 1, 2019 · 20f25f4 · 20f25f4
2 parents afd0d23 + 85d22e5
commit 20f25f4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/piexif/_common.py b/piexif/_common.py
@@ -38,7 +38,7 @@ def read_exif_from_file(filename):
     head = data[2:6]
     HEAD_LENGTH = 4
     exif = None
-    while 1:
+    while len(head) == HEAD_LENGTH:
         length = struct.unpack(">H", head[2: 4])[0]
 
         if head[:2] == b"\xff\xe1":