Good hygiene with size_t output argument.
Though the callers check the function return value and ignore the
size_t output argument on failure, it is still often not ideal to
store -1 in a size_t on error. That might signal an unduly large
buffer. Instead set the size_t to 0, to indicate no space.
Reviewed-by: Richard Levitte <levitte@openssl.org>
parent
56d91346
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