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| author | Fredrik Gustafsson <[email protected]> | 2013-07-30 16:06:40 +0200 |
|---|---|---|
| committer | Fredrik Gustafsson <[email protected]> | 2013-07-30 16:06:40 +0200 |
| commit | e547c997a4e516d3474e577bd4747e249303a7c7 (patch) | |
| tree | 01fe9326f74ba6f1bf58f9dbd0d71a17e8bcb60c /lib/kernel | |
| parent | d794ba8845619322639f24602624b9acd71efc98 (diff) | |
| download | otp-e547c997a4e516d3474e577bd4747e249303a7c7.tar.gz otp-e547c997a4e516d3474e577bd4747e249303a7c7.tar.bz2 otp-e547c997a4e516d3474e577bd4747e249303a7c7.zip | |
kernel: added ntoa documentation and exported it in inet.erl
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/doc/src/inet.xml | 7 | ||||
| -rw-r--r-- | lib/kernel/src/inet.erl | 9 | ||||
| -rw-r--r-- | lib/kernel/src/inet_parse.erl | 4 |
3 files changed, 18 insertions, 2 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index f33ea3c57d..254dfbf034 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -375,6 +375,13 @@ fe80::204:acff:fe17:bf38 </desc> </func> <func> + <name name="ntoa" arity="1" /> + <fsummary>Convert IPv6 / IPV4 adress to ascii</fsummary> + <desc> + <p>Parses an <a href="#type-ip_address">ip_address()</a> and returns an IPv4 or IPv6 address string.</p> + </desc> + </func> + <func> <name name="parse_ipv4_address" arity="1" /> <fsummary>Parse an IPv4 address</fsummary> <desc> diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index 3ea530a366..d0fddec058 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -32,7 +32,7 @@ ip/1, stats/0, options/0, pushf/3, popf/1, close/1, gethostname/0, gethostname/1, parse_ipv4_address/1, parse_ipv6_address/1, parse_ipv4strict_address/1, - parse_ipv6strict_address/1, parse_address/1, parse_strict_address/1]). + parse_ipv6strict_address/1, parse_address/1, parse_strict_address/1, ntoa/1]). -export([connect_options/2, listen_options/2, udp_options/2, sctp_options/2]). @@ -529,6 +529,13 @@ getservbyname(Name, Protocol) when is_atom(Name) -> Error -> Error end. +-spec ntoa(IpAddress) -> + {ok, Address} | {error, einval} when + Address :: string(), + IPv4Address :: ip_address(). +ntoa(Addr) -> + inet_parse:ntoa(Addr). + -spec parse_ipv4_address(Address) -> {ok, IPv4Address} | {error, einval} when Address :: string(), diff --git a/lib/kernel/src/inet_parse.erl b/lib/kernel/src/inet_parse.erl index 619c78a6ca..98bd8d386c 100644 --- a/lib/kernel/src/inet_parse.erl +++ b/lib/kernel/src/inet_parse.erl @@ -722,7 +722,9 @@ ntoa({0,0,0,0,0,16#ffff,A,B}) -> "::FFFF:" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B); ntoa({_,_,_,_,_,_,_,_}=T) -> %% Find longest sequence of zeros, at least 2, to replace with "::" - ntoa(tuple_to_list(T), []). + ntoa(tuple_to_list(T), []); +ntoa(_) -> + {error, einval}. %% Find first double zero ntoa([], R) -> |