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- /*
- * This file is part of ixemul.library for the Amiga.
- * Copyright (C) 1991, 1992 Markus M. Wild
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * ix_get_vars2.c,v 1.1.1.1 1994/04/04 04:30:55 amiga Exp
- *
- * ix_get_vars2.c,v
- * Revision 1.1.1.1 1994/04/04 04:30:55 amiga
- * Initial CVS check in.
- *
- * Revision 1.4 1992/08/09 20:49:16 amiga
- * add cast
- *
- * Revision 1.3 1992/07/04 19:14:44 mwild
- * add new variable, environ-in, primarly support for fork-emulation in ksh
- *
- * Revision 1.2 1992/05/20 01:32:00 mwild
- * do atexit(_cleanup) here, ix_open is the wrong place
- *
- * Revision 1.1 1992/05/14 19:55:40 mwild
- * Initial revision
- *
- */
-
- #define _KERNEL
- #include "ixemul.h"
- #include "kprintf.h"
-
- #include <stdio.h>
- #include <stdlib.h>
-
- extern char _ctype_[];
- extern int sys_nerr;
- extern void _cleanup();
-
- /* too bad this is necessary, but the old function didn't know how to tell
- * how many values to fill out, making later extensions impossible without
- * breaking old executables. This one uses an explicit counter for this.
- */
-
- void
- ix_get_vars2 (int argc, char **ctype, int *_sys_nerr,
- struct Library **sysbase, struct Library **dosbase,
- FILE ***fpp, char ***environ_out, char ***environ_in,
- int *real_errno, int *real_h_errno, struct __res_state *_res,
- int *_res_socket)
- {
- switch (argc)
- {
- default:
- case 11:
- if (_res_socket)
- u.u_res_socket = _res_socket;
-
- case 10:
- if (_res)
- u.u_res = _res;
-
- case 9:
- if (real_h_errno)
- {
- u.u_h_errno = real_h_errno;
- }
-
- case 8:
- /* Needed in pdksh: after the ix_resident call the child needs to
- tell ixemul.library what the new address of the errno variable is. */
- if (real_errno)
- {
- u.u_errno = real_errno;
- /* assume when h_errno is set, errno is set also */
- if (u.u_ixnetbase)
- netcall(NET_set_errno, real_errno, u.u_h_errno);
- }
-
- case 7:
- /* a `bit' kludgy.. */
- if (environ_in) *environ_in = *u.u_environ;
-
- case 6:
- if (environ_out) u.u_environ = environ_out;
-
- case 5:
- if (fpp)
- {
- __init_stdinouterr ();
- *fpp = (FILE **) &u.u_sF[0];
- /* make sure all stdio buffers are flushed on exit() */
- atexit (_cleanup);
- }
-
- case 4:
- if (dosbase) *dosbase = (struct Library *)DOSBase;
-
- case 3:
- if (sysbase) *sysbase = (struct Library *)SysBase;
-
- case 2:
- if (_sys_nerr) *_sys_nerr = sys_nerr;
-
- case 1:
- if (ctype) *ctype = _ctype_;
-
- case 0:
- break;
- }
-
- /* now that system start is over, free the tracer */
- u.u_trace_flags = 0;
- }
-