42 lines
824 B
C
42 lines
824 B
C
/* This file is part of the Project Athena Zephyr Notification System.
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* It contains source for the ZGetWGPort function.
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*
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* Created by: Robert French
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*
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* $Id$
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*
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* Copyright (c) 1987 by the Massachusetts Institute of Technology.
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* For copying and distribution information, see the file
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* "mit-copyright.h".
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*/
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#ifndef lint
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static const char rcsid_ZGetWGPort_c[] = "$Id$";
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#endif
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#include <internal.h>
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int
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ZGetWGPort(void)
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{
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char *envptr, name[128];
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FILE *fp;
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int wgport;
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envptr = getenv("WGFILE");
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if (!envptr) {
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(void) sprintf(name, "/tmp/wg.%d", getuid());
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envptr = name;
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}
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if (!(fp = fopen(envptr, "r")))
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return (-1);
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/* if fscanf fails, return -1 via wgport */
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if (fscanf(fp, "%d", &wgport) != 1)
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wgport = -1;
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(void) fclose(fp);
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return (wgport);
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}
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