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State the exact input size limit of json_document

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The check rejects inputs of 0xFFFFFFF0 bytes or more, but the exception
message and the documentation said 4 GiB. Name the limit once
(max_input_size), and state 4 GiB minus 16 bytes in the message and the
documentation. Test the limit with a container that only claims the size.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Niels Lohmann committed 2026-10-09 16:30:00 +02:00
1 parent a1b5b348ab
commit 078903cbb9
8 files changed
+51 -11
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include/nlohmann/json_view.hpp
+2 -2
View File
@@ -475,9 +475,9 @@ class basic_json_document
d.discarded = true;
detail::view::parse_failure failure;
bool ok = false;
if (NLOHMANN_VIEW_UNLIKELY(size >= 0xFFFFFFF0u))
if (NLOHMANN_VIEW_UNLIKELY(size > detail::view::max_input_size))
{
failure.code = detail::view::error_code::input_too_large; // LCOV_EXCL_LINE (4 GiB)
failure.code = detail::view::error_code::input_too_large;
}
else
{