Set the host to an address
Synopsis
Declared in header <boost/url/url_base.hpp>
url_base&
set_host_ipv4(ipv4_address const& addr);Description
The host is set to the specified IPv4 address. The host type is host_type::ipv4 .
Example
assert( url("http://www.example.com").set_host_ipv4( ipv4_address( "127.0.0.1" ) ).buffer() == "http://127.0.0.1" );Complexity
Linear in this->size().
Postconditions
this->has_authority() == true && this->host_ipv4_address() == addr && this->host_type() == host_type::ipv4Exception Safety
Strong guarantee. Calls to allocate may throw.
BNF
IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
dec-octet = DIGIT ; 0-9
/ %x31-39 DIGIT ; 10-99
/ "1" 2DIGIT ; 100-199
/ "2" %x30-34 DIGIT ; 200-249
/ "25" %x30-35 ; 250-255Specification
Parameters
| Name | Description |
|---|---|
addr |
The address to set. |