cmd.h

   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__ */