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Moved flags check into _accept

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This commit is contained in:
Andrew Murray 2022-02-26 17:34:13 +11:00
parent efb9d503a7
commit 83b9e66133
1 changed files with 6 additions and 6 deletions
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12
src/PIL/FliImagePlugin.py
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@ -26,7 +26,11 @@ from ._binary import o8
def _accept(prefix): def _accept(prefix):
return len(prefix) >= 6 and i16(prefix, 4) in [0xAF11, 0xAF12] return (
len(prefix) >= 6
and i16(prefix, 4) in [0xAF11, 0xAF12]
and i16(prefix, 14) in [0, 3] # flags
)
## ##
@ -44,11 +48,7 @@ class FliImageFile(ImageFile.ImageFile):
# HEAD # HEAD
s = self.fp.read(128) s = self.fp.read(128)
if not ( if not (_accept(s) and s[20:22] == b"\x00\x00"):
_accept(s)
and i16(s, 14) in [0, 3] # flags
and s[20:22] == b"\x00\x00" # reserved
):
raise SyntaxError("not an FLI/FLC file") raise SyntaxError("not an FLI/FLC file")
# frames # frames