ifiter_getifaddrs.c revision 846f974d5737710588eb676b64ba138da27c45dd
/*
* Copyright (C) 1999-2003 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: ifiter_getifaddrs.c,v 1.3 2003/10/07 03:34:30 marka Exp $ */
/*
* Obtain the list of network interfaces using the getifaddrs(3) library.
*/
#include <ifaddrs.h>
struct isc_interfaceiter {
unsigned int magic; /* Magic number. */
void *buf; /* (unused) */
unsigned int bufsize; /* (always 0) */
};
char strbuf[ISC_STRERRORSIZE];
return (ISC_R_NOMEMORY);
"getting interface "
"addresses: getifaddrs: %s"),
strbuf);
goto failure;
}
/*
* A newly created iterator has an undefined position
* until isc_interfaceiter_first() is called.
*/
return (ISC_R_SUCCESS);
return (result);
}
/*
* Get information about the current interface to iter->current.
* If successful, return ISC_R_SUCCESS.
* If the interface has an unsupported address family,
* return ISC_R_IGNORE.
*/
static isc_result_t
int family;
unsigned int namelen;
return (ISC_R_IGNORE);
return (ISC_R_SUCCESS);
}
/*
* Step the iterator to the next interface. Unlike
* isc_interfaceiter_next(), this may leave the iterator
* positioned on an interface that will ultimately
* be ignored. Return ISC_R_NOMORE if there are no more
* interfaces, otherwise ISC_R_SUCCESS.
*/
static isc_result_t
return (ISC_R_NOMORE);
return (ISC_R_SUCCESS);
}
static void
}
static
}