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Fix over shift left undefined behaviour.

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The maximum zoom level is now >= 8, so shifting a uint8 by a zoom
level results in undefined behaviour.
This commit is contained in:
Jonathan G Rennison
2015-11-22 23:31:51 +00:00
parent d2cd74223e
commit 52d3f075ea
1 changed files with 2 additions and 2 deletions
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4
src/spritecache.cpp
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@@ -269,7 +269,7 @@ static bool PadSingleSprite(SpriteLoader::Sprite *sprite, ZoomLevel zoom, uint p
return true;
}
static bool PadSprites(SpriteLoader::Sprite *sprite, uint8 sprite_avail)
static bool PadSprites(SpriteLoader::Sprite *sprite, unsigned int sprite_avail)
{
/* Get minimum top left corner coordinates. */
int min_xoffs = INT32_MAX;
@@ -310,7 +310,7 @@ static bool PadSprites(SpriteLoader::Sprite *sprite, uint8 sprite_avail)
return true;
}
static bool ResizeSprites(SpriteLoader::Sprite *sprite, uint8 sprite_avail, uint32 file_slot, uint32 file_pos)
static bool ResizeSprites(SpriteLoader::Sprite *sprite, unsigned int sprite_avail, uint32 file_slot, uint32 file_pos)
{
/* Create a fully zoomed image if it does not exist */
ZoomLevel first_avail = static_cast<ZoomLevel>(FIND_FIRST_BIT(sprite_avail));