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Use unsigned long for DWORD #9352

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Merged
radarhere merged 1 commit into from
Dec 27, 2025
+5 −5
Merged

Use unsigned long for DWORD #9352

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10 changes: 5 additions & 5 deletions src/libImaging/FliDecode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,9 @@

#define I16(ptr) ((ptr)[0] + ((int)(ptr)[1] << 8))

#define I32(ptr) \
((ptr)[0] + ((INT32)(ptr)[1] << 8) + ((INT32)(ptr)[2] << 16) + \
((INT32)(ptr)[3] << 24))
#define I32(ptr) \
((ptr)[0] + ((unsigned long)(ptr)[1] << 8) + ((unsigned long)(ptr)[2] << 16) + \
((unsigned long)(ptr)[3] << 24))

#define ERR_IF_DATA_OOB(offset) \
if ((data + (offset)) > ptr + bytes) { \
Expand All @@ -31,8 +31,8 @@
int
ImagingFliDecode(Imaging im, ImagingCodecState state, UINT8 *buf, Py_ssize_t bytes) {
UINT8 *ptr;
int framesize;
int c, chunks, advance;
unsigned long framesize, advance;
int c, chunks;
int l, lines;
int i, j, x = 0, y, ymax;

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