Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2021. The current version is 1.89.0.

http::parser::content_length_remaining

http::parser::content_length_remaining

(Inherited from http::basic_parser)

Returns the remaining content length if known.

Synopsis

boost::optional< std::uint64_t >
content_length_remaining() const;

Description

If the message header specifies a Content-Length, the return value will be the number of bytes remaining in the payload body have not yet been parsed.

Remarks

The return value is undefined unless is_header_done would return true.