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- /*
- * Gate_Start.c --
- *
- * Source code for the Gate_Start library procedure.
- *
- * Copyright 1988 Regents of the University of California
- * 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. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/lib/c/gate/RCS/Gate_Start.c,v 1.1 92/06/04 22:03:23 jhh Exp $ SPRITE (Berkeley)";
- #endif not lint
-
- #include <stdio.h>
- #include <gate.h>
-
- /*
- * Information about the current gateway database file:
- */
-
- FILE * gateFile = (FILE *) NULL;
- char * gateFileName = "/etc/gateway";
-
- /*
- *-----------------------------------------------------------------------
- *
- * Gate_Start --
- *
- * Begin reading from the the current gateway file.
- *
- * Results:
- * 0 is returned if all went well. Otherwise -1 is returned
- * and errno tells what went wrong.
- *
- * Side Effects:
- * If the file was open, it is reset to the beginning. If it was not
- * open, it is now.
- *
- *-----------------------------------------------------------------------
- */
-
- int
- Gate_Start()
- {
- if (gateFile != (FILE *) NULL) {
- rewind(gateFile);
- } else {
- gateFile = fopen(gateFileName, "r");
- if (gateFile == (FILE *) NULL) {
- return -1;
- }
- }
- return 0;
- }
-