[sr-dev] git:3.1: core: new function to get IP address from su structure

Module: sip-router Branch: 3.1 Commit: 189644b5100b8a7285688c87d2081bb3c8937500 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=189644b… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: Mon Jul 18 22:34:47 2011 +0200 core: new function to get IP address from su structure - suip2a(...) returns zero-terminated string representation of IPv4/IPv6 address (cherry picked from commit fabaa667795e5162fe17afd3e4a073bc99057144) --- ip_addr.h | 30 +++++++++++++++++++++++++++++- 1 files changed, 29 insertions(+), 1 deletions(-) diff --git a/ip_addr.h b/ip_addr.h index 2f04693..d9cbf02 100644 --- a/ip_addr.h +++ b/ip_addr.h @@ -722,7 +722,7 @@ static inline char* su2a(union sockaddr_union* su, int su_len) { static char buf[SU2A_MAX_STR_SIZE]; int offs; - + #ifdef USE_IPV6 if (unlikely(su->s.sa_family==AF_INET6)){ if (unlikely(su_len<sizeof(su->sin6))) @@ -744,6 +744,34 @@ static inline char* su2a(union sockaddr_union* su, int su_len) return buf; } +#define SUIP2A_MAX_STR_SIZE (IP6_MAX_STR_SIZE + 2 /* [] */ + 1 /* \0 */) +/* returns an asciiz string containing the ip + * (<ipv4_addr> or [<ipv6_addr>]) + */ +static inline char* suip2a(union sockaddr_union* su, int su_len) +{ + static char buf[SUIP2A_MAX_STR_SIZE]; + int offs; + +#ifdef USE_IPV6 + if (unlikely(su->s.sa_family==AF_INET6)){ + if (unlikely(su_len<sizeof(su->sin6))) + return "<addr. error>"; + buf[0]='['; + offs=1+ip6tosbuf((unsigned char*)su->sin6.sin6_addr.s6_addr, &buf[1], + sizeof(buf)-4); + buf[offs]=']'; + offs++; + }else +#endif /* USE_IPV6*/ + if (unlikely(su_len<sizeof(su->sin))) + return "<addr. error>"; + else + offs=ip4tosbuf((unsigned char*)&su->sin.sin_addr, buf, sizeof(buf)-2); + buf[offs]=0; + return buf; +} + /* converts an ip_addr structure to a hostent, returns pointer to internal