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/* Copyright 1988, 1996 by the Massachusetts Institute of Technology.
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
/* This file contains hesiod_postoffice, which retrieves post-office
* information for a user.
*/
static char rcsid[] = "$Id: hesmailhost.c,v 1.8 1996/12/08 21:40:32 ghudson Exp $";
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <netdb.h>
#include <pwd.h>
#include "hesiod.h"
struct hesiod_postoffice *hesiod_getmailhost(void *context, const char *user)
{
char *p, **list;
struct hesiod_postoffice *po;
/* Get the result, sanity-check it, and copy it into linebuf. */
list = hesiod_resolve(context, user, "pobox");
if (!list)
return NULL;
p = malloc(strlen(*list) + 1);
if (!p)
{
hesiod_free_list(context, list);
errno = ENOMEM;
return NULL;
}
strcpy(p, *list);
hesiod_free_list(context, list);
/* Allocate memory for the result. */
po = (struct hesiod_postoffice *) malloc(sizeof(struct hesiod_postoffice));
if (!po)
{
free(p);
errno = ENOMEM;
return NULL;
}
/* Break up linebuf into fields. */
po->hesiod_po_type = p;
while (!isspace(*p))
p++;
*p++ = 0;
po->hesiod_po_host = p;
while (!isspace(*p))
p++;
*p++ = 0;
po->hesiod_po_name = p;
return po;
}
void hesiod_free_postoffice(void *context, struct hesiod_postoffice *po)
{
free(po->hesiod_po_type);
free(po);
}
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