On 24/09/2020 18:30, Gedare Bloom wrote:

+#define MESSAGE_SIZE_LIMIT \
+  ( SIZE_MAX - sizeof( uintptr_t ) - 1 \
Minor: should it be - ( sizeof( uintptr_t ) - 1 )?
Or: - sizeof(uintptr_t) + 1

The alignment up can add at most sizeof(uintptr_t)-1 bytes overhead I
think is what this is trying to capture?

Oh, yes. Two minus are a plus.
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