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glfw: correctly check for Monitor.getAll errors

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-07-17 14:02:07 -07:00
parent 6cfac34405
commit 309b71d600
1 changed files with 5 additions and 0 deletions
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5
glfw/src/Monitor.zig
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@ -197,6 +197,7 @@ pub inline fn getUserPointer(self: Monitor, comptime T: type) Error!?*T {
pub inline fn getAll(allocator: *mem.Allocator) ![]Monitor {
var count: c_int = 0;
const monitors = c.glfwGetMonitors(&count);
try getError();
const slice = try allocator.alloc(Monitor, @intCast(usize, count));
var i: usize = 0;
@ -226,6 +227,10 @@ pub inline fn getPrimary() !?Monitor {
}
test "getAll" {
const glfw = @import("main.zig");
try glfw.init();
defer glfw.terminate();
const allocator = testing.allocator;
const monitors = try getAll(allocator);
defer allocator.free(monitors);