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Do not unnecessarily update FLI __offset (#9184)

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Hugo van Kemenade 2025-10-10 12:56:14 +03:00 committed by GitHub
commit 274a65b5d0
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1 changed files with 3 additions and 2 deletions
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src/PIL/FliImagePlugin.py
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@ -48,6 +48,7 @@ class FliImageFile(ImageFile.ImageFile):
def _open(self) -> None: def _open(self) -> None:
# HEAD # HEAD
assert self.fp is not None
s = self.fp.read(128) s = self.fp.read(128)
if not ( if not (
_accept(s) _accept(s)
@ -82,8 +83,7 @@ class FliImageFile(ImageFile.ImageFile):
if i16(s, 4) == 0xF100: if i16(s, 4) == 0xF100:
# prefix chunk; ignore it # prefix chunk; ignore it
self.__offset = self.__offset + i32(s) self.fp.seek(self.__offset + i32(s))
self.fp.seek(self.__offset)
s = self.fp.read(16) s = self.fp.read(16)
if i16(s, 4) == 0xF1FA: if i16(s, 4) == 0xF1FA:
@ -116,6 +116,7 @@ class FliImageFile(ImageFile.ImageFile):
# load palette # load palette
i = 0 i = 0
assert self.fp is not None
for e in range(i16(self.fp.read(2))): for e in range(i16(self.fp.read(2))):
s = self.fp.read(2) s = self.fp.read(2)
i = i + s[0] i = i + s[0]