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Avoid overflow in image cell size calculation

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This commit is contained in:
Michael Grant
2026-08-08 10:33:54 +01:00
parent c754b738c3
commit 07455f928d
1 changed files with 2 additions and 2 deletions
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4
image.c
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@@ -546,8 +546,8 @@ image_size_in_cells(u_int width, u_int height, u_int xpixel, u_int ypixel,
xpixel = 8;
if (ypixel == 0)
ypixel = 16;
*sx = ((uint64_t)width + xpixel - 1) / xpixel;
*sy = ((uint64_t)height + ypixel - 1) / ypixel;
*sx = width / xpixel + (width % xpixel != 0);
*sy = height / ypixel + (height % ypixel != 0);
}
/* Return if a screen area contains image markers. */