From 17c641845e25918f60282a540f0de898d173f804 Mon Sep 17 00:00:00 2001
From: Francis Bouvier <francis@lightpanda.io>
Date: Wed, 9 Oct 2024 15:13:06 +0200
Subject: [PATCH] msg: return error if input does not have "size:"

Signed-off-by: Francis Bouvier <francis@lightpanda.io>
---
 src/msg.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/msg.zig b/src/msg.zig
index 927f4ae1..6bcaa182 100644
--- a/src/msg.zig
+++ b/src/msg.zig
@@ -73,7 +73,7 @@ pub const MsgBuffer = struct {
             var msg_size: usize = undefined;
             if (self.isEmpty()) {
                 // parse msg size metadata
-                const size_pos = std.mem.indexOfScalar(u8, _input, ':').?;
+                const size_pos = std.mem.indexOfScalar(u8, _input, ':') orelse return error.InputWithoutSize;
                 const size_str = _input[0..size_pos];
                 msg_size = try std.fmt.parseInt(u32, size_str, 10);
                 _input = _input[size_pos + 1 ..];