yuzucchii/discord.zig
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dirty trick with slices

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This commit is contained in:
rainfall 2024-11-03 13:54:05 -05:00
parent d5e0c93867
commit 077fc29a76
1 changed files with 2 additions and 14 deletions
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src/discord.zig
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@ -343,19 +343,6 @@ pub fn deinit(self: *Self) void {
self.logif("killing the whole bot\n", .{});
}
pub fn ensureCompressed(data: []const u8, comptime pattern: []const u8) bool {
if (data.len < pattern.len) {
return false;
}
const start_index: usize = data.len - pattern.len;
for (0..pattern.len) |i| {
if (data[start_index + i] != pattern[i]) return false;
}
return true;
}
// listens for messages
pub fn readMessage(self: *Self, _: anytype) !void {
try self.client.readTimeout(0);
@ -369,7 +356,8 @@ pub fn readMessage(self: *Self, _: anytype) !void {
// self.logif("received: {?s}\n", .{msg.data});
try self.packets.appendSlice(msg.data);
if (!Self.ensureCompressed(msg.data, &[4]u8{ 0x00, 0x00, 0xFF, 0xFF }))
// dirty trick with slices
if (!std.mem.eql(u8, msg.data[msg.data.len - 4 .. msg.data.len], &[4]u8{ 0x00, 0x00, 0xFF, 0xFF }))
continue;
// self.logif("{b}\n", .{self.packets.items});