server: let the caller of sendSync free the string

Signed-off-by: Francis Bouvier <francis@lightpanda.io>

src/cdp/cdp.zig

@@ -207,6 +207,7 @@ pub fn sendEvent(
     const resp = Resp{ .method = name, .params = params, .sessionId = sessionID };
 
     const event_msg = try stringify(alloc, resp);
+    defer alloc.free(event_msg);
     std.log.debug("event {s}", .{event_msg});
     try server.sendSync(ctx, event_msg);
 }

src/cdp/page.zig

@@ -269,6 +269,7 @@ fn navigate(
         .loaderId = ctx.state.loaderID,
     };
     const res = try result(alloc, id orelse msg.id.?, Resp, resp, msg.sessionID);
+    defer alloc.free(res);
     std.log.debug("res {s}", .{res});
     try server.sendSync(ctx, res);
 

src/cdp/target.zig

@@ -308,6 +308,7 @@ fn closeTarget(
         success: bool = true,
     };
     const res = try result(alloc, id orelse msg.id.?, Resp, Resp{}, null);
+    defer alloc.free(res);
     try server.sendSync(ctx, res);
 
     // Inspector.detached event

src/server.zig

@@ -214,7 +214,6 @@ pub fn sendAsync(ctx: *Cmd, msg: []const u8) !void {
 }
 
 pub fn sendSync(ctx: *Cmd, msg: []const u8) !void {
-    defer ctx.alloc().free(msg);
     const s = try std.posix.write(ctx.socket, msg);
     std.log.debug("send sync {d} bytes", .{s});
 }