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Stop reading when the end of the file is reached

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Andrew Murray 2026-01-24 11:15:26 +11:00
parent e08f910db4
commit a232e8ae44
1 changed files with 4 additions and 1 deletions
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5
src/PIL/DdsImagePlugin.py
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@ -509,7 +509,10 @@ class DdsRgbDecoder(ImageFile.PyDecoder):
bytecount = bitcount // 8
dest_length = self.state.xsize * self.state.ysize * len(masks)
while len(data) < dest_length:
value = int.from_bytes(self.fd.read(bytecount), "little")
bytes_read = self.fd.read(bytecount)
if len(bytes_read) < bytecount:
break
value = int.from_bytes(bytes_read, "little")
for i, mask in enumerate(masks):
masked_value = value & mask
# Remove the zero padding, and scale it to 8 bits