encoded_size

Return the buffer size needed for percent-encoding

Synopsis


                template<
    class CharSet>
size_t
encoded_size(
    string_view s,
    const CharSet& unreserved,
    encoding_opts opt) noexcept;

Declared in file <boost/url/impl/encode.hpp> at line 28

Description

This function returns the exact number of bytes necessary to store the result of applying percent-encoding to the string using the given options and character set. No encoding is actually performed.

Example


assert( encoded_size( "My Stuff", pchars ) == 10 );

Exception Safety

Throws nothing.

Specification

2.1. Percent-Encoding (rfc3986)