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/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZGetWGPort 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".
*/
/* $Header$ */
#ifndef lint
static char rcsid_ZGetWGPort_c[] = "$Header$";
#endif
#include <internal.h>
int ZGetWGPort()
{
char *envptr, name[128];
FILE *fp;
int wgport;
envptr = getenv("WGFILE");
if (!envptr) {
(void) sprintf(name, "/tmp/wg.%d", getuid());
envptr = name;
}
if (!(fp = fopen(envptr, "r")))
return (-1);
/* if fscanf fails, return -1 via wgport */
if (fscanf(fp, "%d", &wgport) != 1)
wgport = -1;
(void) fclose(fp);
return (wgport);
}
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