Niels Lohmann 4aebfc8d4d Keep the descent guard's bookkeeping self-contained ...

nesting_depth_limit() and nesting_depth_guard were only used inside
the JSON_NO_THREAD_LOCAL-guarded branch of copy_structured(), but were
defined unconditionally. Move them inside the #ifndef, and have the
guard look up the depth and test it against the limit itself (via
okay()) instead of making the caller do it - the caller no longer
needs to touch nesting_depth() at all. Also shrink the thread-local
counter to std::uint8_t, matching what its own doc comment already
argued.

Addresses gregmarr's review comments on #5389.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

2026-09-02 19:08:35 +02:00

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nlohmann

Keep the descent guard's bookkeeping self-contained

2026-09-02 19:08:35 +02:00