syntax = "proto3";

package c_nested;

// 5-level chain of singular sub-messages. Used by the bd-hwe (ra6 3d)
// C-runtime tests to verify recursion across non-trivial depth. Each
// level carries an int32 so the encoded body at each level is
// non-empty (catches off-by-one bugs in the length-prefix path).
message L1 { L2 next = 1; int32 v = 2; }
message L2 { L3 next = 1; int32 v = 2; }
message L3 { L4 next = 1; int32 v = 2; }
message L4 { L5 next = 1; int32 v = 2; }
message L5 {              int32 v = 2; }