1 from libc cimport *

     2 

     3 cdef object inet_ntop (int af, void *sockaddr) :

     4     """

     5         Wrapper around inet_ntop, returning a PyString

     6     """

     7 

     8     # XXX: longest possible address...

     9     cdef char buf[INET6_ADDRSTRLEN]

    10 

    11     if c_inet_ntop(af, sockaddr, buf, sizeof(buf)) == NULL :

    12         # XXX: errno?

    13         raise OSError()

    14     

    15     # autoconvert -> str

    16     return buf

    17 

    18 cdef object inet_pton (int af, char *addr, void *sockaddr_out) :

    19     if c_inet_pton(af, addr, sockaddr_out) < 0 :

    20         raise OSError()

    21 

    22 cdef object getnameinfo (sockaddr *sa, socklen_t salen, int flags) :

    23     cdef char hostbuf[NI_MAXHOST]

    24     cdef char servbuf[NI_MAXSERV]

    25     cdef int err

    26 

    27     err = c_getnameinfo(sa, salen, hostbuf, sizeof(hostbuf), servbuf, sizeof(servbuf), flags)

    28 

    29     if err :

    30         # XXX: raise a GAIError

    31         raise Exception(gai_strerror(err))

    32 

    33     else :

    34         return hostbuf, servbuf

    35