* Copyright (c) 1991,1990 Carnegie Mellon University
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
* Carnegie Mellon requests users of this software to return to
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
* $Log: db_variables.c,v $
* Revision 1.1 1992/03/25 21:45:33 pace
* Revision 2.3 91/02/05 17:07:19 mrt
* Changed to new Mach copyright
* [91/01/31 16:19:46 mrt]
* Revision 2.2 90/08/27 21:53:24 dbg
* New db_read/write_variable functions. Should be used instead
* of dereferencing valuep directly, which might not be a true
* pointer if there is an fcn() access function.
* Check for trailing garbage after last expression on command line.
* [90/08/10 14:34:54 dbg]
* Author: David B. Golub, Carnegie Mellon University
#include <machine/db_machdep.h>
#include <ddb/db_variables.h>
extern unsigned int db_maxoff
;
extern int db_tab_stop_width
;
struct db_variable db_vars
[] = {
{ "radix", &db_radix
, FCN_NULL
},
{ "maxoff", (int *)&db_maxoff
, FCN_NULL
},
{ "maxwidth", &db_max_width
, FCN_NULL
},
{ "tabstops", &db_tab_stop_width
, FCN_NULL
},
struct db_variable
*db_evars
= db_vars
+ sizeof(db_vars
)/sizeof(db_vars
[0]);
struct db_variable
**varp
;
for (vp
= db_vars
; vp
< db_evars
; vp
++) {
if (!strcmp(db_tok_string
, vp
->name
)) {
for (vp
= db_regs
; vp
< db_eregs
; vp
++) {
if (!strcmp(db_tok_string
, vp
->name
)) {
db_error("Unknown variable\n");
if (!db_find_variable(&vp
))
db_read_variable(vp
, valuep
);
if (!db_find_variable(&vp
))
db_write_variable(vp
, &value
);
db_read_variable(vp
, valuep
)
(*func
)(vp
, valuep
, DB_VAR_GET
);
db_write_variable(vp
, valuep
)
(*func
)(vp
, valuep
, DB_VAR_SET
);
db_error("Unknown variable\n");
if (!db_find_variable(&vp
)) {
db_error("Unknown variable\n");
if (!db_expression(&value
)) {
if (db_read_token() != tEOL
) {
db_write_variable(vp
, &value
);