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Fix alignment in getUserData

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This commit is contained in:
Brandon Dyck 2022-01-09 12:23:18 -07:00
parent 452be0a0b8
commit c12c0ea0fb
1 changed files with 9 additions and 1 deletions
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10
lib/minifb/src/minifb.zig
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@ -78,7 +78,7 @@ pub fn Window(comptime TUserData: type) type {
pub fn getUserData(self: Window(TUserData)) ?*TUserData {
var cData = c.mfb_get_user_data(self.cwin);
return @ptrCast(?*TUserData, @alignCast(@alignOf(?*TUserData), cData));
return @ptrCast(?*TUserData, @alignCast(@alignOf(TUserData), cData));
}
pub const ActiveFunc = fn (win: Window(TUserData), isActive: bool) callconv(.C) void;
@ -102,6 +102,14 @@ test "user data is not null if previously set" {
try testing.expectEqual(expected, win.getUserData().?.*);
}
test "also works with smaller user data" {
const win = try Window(u8).open("abc", 100, 100, .{});
var data: u8 = 42;
win.setUserData(&data);
const expected: u8 = 42;
try testing.expectEqual(expected, win.getUserData().?.*);
}
pub fn getTargetFPS() u32 {
return c.mfb_get_target_fps();
}