[gnutls-devel] GnuTLS | gnutls examples don't handle short writes correctly (#1484)

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Nikos Mavrogiannopoulos commented: https://gitlab.com/gnutls/gnutls/-/issues/1484#note_1435170603

That's from memory, and may not apply to current code. Although `gnutls_record_send()` documentation says "the number of bytes sent might be less than @data_size", this may have never been the case. The way `gnutls_record_send()` worked ensured that writes succeed fully or fail with an error code (temporarily - eagain or fatally). That was at least at some point intentionally to prevent the complexity of handling partial writes in applications. I have not verified whether this applies to current code.

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