Willy Tarreau 2510f702f9 MINOR: h1: add a function to measure the trailers length
This is needed in the H2->H1 gateway so that we know how long the trailers
block is in chunked encoding. It returns the number of bytes, or 0 if some
are missing, or -1 in case of parse error.
2017-10-31 17:18:10 +01:00
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