src/message.zig

@@ -76,6 +76,10 @@ pub const ZeroCopyMessage = packed struct {
     length: u16,
     bytes: void = {},
 
+    pub fn init(allocator: Allocator, payload_len: u16) !*Self {
+        const bytes = try allocator.alignedAlloc(u8, @alignOf(Self), @sizeOf(Self) + payload_len);
+    }
+
     fn getRelay(self: *Self) *align(1) Relay {
         return std.mem.bytesAsValue(Relay, &self.bytes);
     }
@@ -137,11 +141,11 @@ pub const ZeroCopyMessage = packed struct {
 test "testing variable length zero copy struct" {
     const gpa = std.testing.allocator;
     const payload_len = 48;
-    const bytes = try gpa.alignedAlloc(u8, @alignOf(ZeroCopyMessage), @sizeOf(ZeroCopyMessage) + payload_len);
     defer gpa.free(bytes);
 
     // Create a view of the byte slice as a ZeroCopyMessage
     const zcm: *ZeroCopyMessage = .fromBytesUnchecked(bytes);
+    defer zcm.deinit(gpa);
 
     {
         // Set the message values