path: root/include
diff options
authorRich Felker <>2014-06-04 02:24:38 -0400
committerRich Felker <>2014-06-04 02:24:38 -0400
commitbdad2fefb206d9727d4a3254f7883b8455452d89 (patch)
treef700c40bc61308cf7ac1a66d63f5bb16e1aca6eb /include
parent8041af59881219c32267c3491bee43591d3c3fe6 (diff)
add support for ipv6 scope_id to getaddrinfo and getnameinfo
for all address types, a scope_id specified as a decimal value is accepted. for addresses with link-local scope, a string containing the interface name is also accepted. some changes are made to error handling to avoid unwanted fallbacks in the case where the scope_id is invalid: if an earlier name lookup backend fails with an error rather than simply "0 results", this failure now suppresses any later attempts with other backends. in getnameinfo, a light "itoa" type function is added for generating decimal scope_id results, and decimal port strings for services are also generated using this function now so as not to pull in the dependency on snprintf. in netdb.h, a definition for the NI_NUMERICSCOPE flag is added. this is required by POSIX (it was previously missing) and needed to allow callers to suppress interface-name lookups.
Diffstat (limited to 'include')
1 files changed, 1 insertions, 1 deletions
diff --git a/include/netdb.h b/include/netdb.h
index dfc70e2b..703a4b26 100644
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -41,7 +41,7 @@ struct addrinfo
#define NI_NOFQDN 0x04
#define NI_NAMEREQD 0x08
#define NI_DGRAM 0x10
-/*#define NI_NUMERICSCOPE */
+#define NI_NUMERICSCOPE 0x100
#define EAI_BADFLAGS -1
#define EAI_NONAME -2