From 9bfa38add66df3ebbeb2c8e0ead778a8356dbe54 Mon Sep 17 00:00:00 2001 From: Ben Boeckel Date: Sun, 14 Sep 2014 14:36:49 -0400 Subject: img_convert: sanitizer: avoid invalid left-shifts (a << 24) is not in the valid int range when a is 255, so use an unsigned instead. Signed-off-by: wm4 --- sub/img_convert.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'sub') diff --git a/sub/img_convert.c b/sub/img_convert.c index a29db4a6f2..2094e98086 100644 --- a/sub/img_convert.c +++ b/sub/img_convert.c @@ -46,10 +46,10 @@ static void rgba_to_premultiplied_rgba(uint32_t *colors, size_t count) { for (int n = 0; n < count; n++) { uint32_t c = colors[n]; - int b = c & 0xFF; - int g = (c >> 8) & 0xFF; - int r = (c >> 16) & 0xFF; - int a = (c >> 24) & 0xFF; + unsigned b = c & 0xFF; + unsigned g = (c >> 8) & 0xFF; + unsigned r = (c >> 16) & 0xFF; + unsigned a = (c >> 24) & 0xFF; b = b * a / 255; g = g * a / 255; r = r * a / 255; -- cgit v1.2.3