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/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZLocateUser function.
*
* Created by: Robert French
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
/* $Header$ */
#include <zephyr/mit-copyright.h>
#include <zephyr/zephyr_internal.h>
Code_t ZLocateUser(user,nlocs)
char *user;
int *nlocs;
{
int locate_pred();
int i,retval,auth;
ZNotice_t notice,retnotice;
ZPacket_t buffer;
char *ptr,*end;
retval = ZFlushLocations();
if (retval != ZERR_NONE && retval != ZERR_NOLOCATIONS)
return (retval);
notice.z_kind = ACKED;
notice.z_port = 0;
notice.z_class = LOCATE_CLASS;
notice.z_class_inst = user;
notice.z_opcode = LOCATE_LOCATE;
notice.z_sender = 0;
notice.z_recipient = "";
notice.z_message_len = 0;
if ((retval = ZSendNotice(¬ice)) != ZERR_NONE)
return (retval);
if ((retval = ZIfNotice(buffer,sizeof buffer,&retnotice,&auth,
locate_pred,¬ice.z_uid)) != ZERR_NONE)
return (retval);
if (retnotice.z_kind != SERVACK)
return (ZERR_INTERNAL);
end = retnotice.z_message+retnotice.z_message_len+1;
__locate_num = 0;
for (ptr=retnotice.z_message;ptr<end;ptr++)
if (!*ptr)
__locate_num++;
__locate_list = (char **)malloc(__locate_num*sizeof(char *));
if (!__locate_list)
return (ENOMEM);
for (ptr=retnotice.z_message,i=0;i<__locate_num;i++) {
__locate_list[i] = (char *)malloc(strlen(ptr)+1);
if (!__locate_list[i])
return (ENOMEM);
strcpy(__locate_list[i],ptr);
ptr += strlen(ptr)+1;
}
__locate_next = 0;
*nlocs = __locate_num;
return (ZERR_NONE);
}
static int locate_pred(notice,uid)
ZNotice_t *notice;
ZUnique_Id_t *uid;
{
return (ZCompareUID(uid,¬ice->z_uid));
}
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