diff options
Diffstat (limited to 'inet/getnameinfo.c')
| -rw-r--r-- | inet/getnameinfo.c | 96 |
1 files changed, 58 insertions, 38 deletions
diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c index b7b2b15..493a423 100644 --- a/inet/getnameinfo.c +++ b/inet/getnameinfo.c @@ -203,40 +203,48 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, if (!(flags & NI_NUMERICHOST)) { struct hostent *h = NULL; - if (sa->sa_family == AF_INET6) - { - while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in6 *) sa)->sin6_addr), - sizeof(struct in6_addr), - AF_INET6, &th, tmpbuf, tmpbuflen, - &h, &herrno)) - if (herrno == NETDB_INTERNAL && errno == ERANGE) - tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); - else - break; - } - else - { - while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in *)sa)->sin_addr), - sizeof(struct in_addr), AF_INET, - &th, tmpbuf, tmpbuflen, - &h, &herrno)) - if (herrno == NETDB_INTERNAL && errno == ERANGE) - tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); - else - break; - } - if (h == NULL) { - if (herrno == NETDB_INTERNAL) + if (sa->sa_family == AF_INET6) { - __set_h_errno (herrno); - return EAI_SYSTEM; + while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in6 *) sa)->sin6_addr), + sizeof(struct in6_addr), + AF_INET6, &th, tmpbuf, tmpbuflen, + &h, &herrno)) + { + if (herrno == NETDB_INTERNAL) + { + if (errno == ERANGE) + tmpbuf = extend_alloca (tmpbuf, tmpbuflen, + 2 * tmpbuflen); + else + { + __set_h_errno (herrno); + __set_errno (serrno); + return EAI_SYSTEM; + } + } + else + { + break; + } + } } - if (herrno == TRY_AGAIN) + else { - __set_h_errno (herrno); - return EAI_AGAIN; + while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in *)sa)->sin_addr), + sizeof(struct in_addr), AF_INET, + &th, tmpbuf, tmpbuflen, + &h, &herrno)) + { + if (errno == ERANGE) + tmpbuf = extend_alloca (tmpbuf, tmpbuflen, + 2 * tmpbuflen); + else + { + break; + } + } } } @@ -353,7 +361,10 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, (const void *) &(((const struct sockaddr_in *) sa)->sin_addr), host, hostlen); if (c == NULL) - return EAI_SYSTEM; + { + __set_errno (serrno); + return EAI_SYSTEM; + } } ok = 1; } @@ -392,16 +403,25 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, if (!(flags & NI_NUMERICSERV)) { struct servent *s, ts; - int e; - while ((e = __getservbyport_r (((const struct sockaddr_in *) sa)->sin_port, - ((flags & NI_DGRAM) - ? "udp" : "tcp"), - &ts, tmpbuf, tmpbuflen, &s))) + while (__getservbyport_r (((const struct sockaddr_in *) sa)->sin_port, + ((flags & NI_DGRAM) ? "udp" : "tcp"), + &ts, tmpbuf, tmpbuflen, &s)) { - if (e == ERANGE) - tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); + if (herrno == NETDB_INTERNAL) + { + if (errno == ERANGE) + tmpbuf = extend_alloca (tmpbuf, tmpbuflen, + 2 * tmpbuflen); + else + { + __set_errno (serrno); + return EAI_SYSTEM; + } + } else - break; + { + break; + } } if (s) { |