xref: /illumos-kvm-cmd/cmd.h (revision 68396ea9)
1 /*
2  * Copyright (c) 2000-2005 Silicon Graphics, Inc.
3  * All Rights Reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it would be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 #ifndef __COMMAND_H__
18 #define __COMMAND_H__
19 
20 #define CMD_FLAG_GLOBAL	((int)0x80000000)	/* don't iterate "args" */
21 
22 typedef int (*cfunc_t)(int argc, char **argv);
23 typedef void (*helpfunc_t)(void);
24 
25 typedef struct cmdinfo {
26 	const char	*name;
27 	const char	*altname;
28 	cfunc_t		cfunc;
29 	int		argmin;
30 	int		argmax;
31 	int		canpush;
32 	int		flags;
33 	const char	*args;
34 	const char	*oneline;
35 	helpfunc_t      help;
36 } cmdinfo_t;
37 
38 extern cmdinfo_t	*cmdtab;
39 extern int		ncmds;
40 
41 void help_init(void);
42 void quit_init(void);
43 
44 typedef int (*argsfunc_t)(int index);
45 typedef int (*checkfunc_t)(const cmdinfo_t *ci);
46 
47 void add_command(const cmdinfo_t *ci);
48 void add_user_command(char *optarg);
49 void add_args_command(argsfunc_t af);
50 void add_check_command(checkfunc_t cf);
51 
52 const cmdinfo_t *find_command(const char *cmd);
53 
54 void command_loop(void);
55 int command_usage(const cmdinfo_t *ci);
56 int command(const cmdinfo_t *ci, int argc, char **argv);
57 
58 /* from input.h */
59 char **breakline(char *input, int *count);
60 void doneline(char *input, char **vec);
61 char *fetchline(void);
62 
63 long long cvtnum(char *s);
64 void cvtstr(double value, char *str, size_t sz);
65 
66 struct timeval tsub(struct timeval t1, struct timeval t2);
67 double tdiv(double value, struct timeval tv);
68 
69 enum {
70 	DEFAULT_TIME		= 0x0,
71 	TERSE_FIXED_TIME	= 0x1,
72 	VERBOSE_FIXED_TIME	= 0x2
73 };
74 
75 void timestr(struct timeval *tv, char *str, size_t sz, int flags);
76 
77 extern char *progname;
78 
79 #endif	/* __COMMAND_H__ */
80