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, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #ifndef __COMMAND_H__
  19 #define __COMMAND_H__
  20
  21 #define CMD_FLAG_GLOBAL ((int)0x80000000)       /* don't iterate "args" */
  22
  23 typedef int (*cfunc_t)(int argc, char **argv);
  24 typedef void (*helpfunc_t)(void);
  25
  26 typedef struct cmdinfo {
  27         const char      *name;
  28         const char      *altname;
  29         cfunc_t         cfunc;
  30         int             argmin;
  31         int             argmax;
  32         int             canpush;
  33         int             flags;
  34         const char      *args;
  35         const char      *oneline;
  36         helpfunc_t      help;
  37 } cmdinfo_t;
  38
  39 extern cmdinfo_t        *cmdtab;
  40 extern int              ncmds;
  41
  42 extern void             help_init(void);
  43 extern void             quit_init(void);
  44
  45 typedef int (*argsfunc_t)(int index);
  46 typedef int (*checkfunc_t)(const cmdinfo_t *ci);
  47
  48 extern void             add_command(const cmdinfo_t *ci);
  49 extern void             add_user_command(char *optarg);
  50 extern void             add_args_command(argsfunc_t af);
  51 extern void             add_check_command(checkfunc_t cf);
  52
  53 extern const cmdinfo_t  *find_command(const char *cmd);
  54
  55 extern void             command_loop(void);
  56 extern int              command_usage(const cmdinfo_t *ci);
  57 extern int              command(const cmdinfo_t *ci, int argc, char **argv);
  58
  59 /* from input.h */
  60 extern char     **breakline(char *input, int *count);
  61 extern void     doneline(char *input, char **vec);
  62 extern char     *fetchline(void);
  63
  64 extern long long cvtnum(char *s);
  65 extern void     cvtstr(double value, char *str, size_t sz);
  66
  67 extern struct timeval tsub(struct timeval t1, struct timeval t2);
  68 extern double   tdiv(double value, struct timeval tv);
  69
  70 enum {
  71         DEFAULT_TIME            = 0x0,
  72         TERSE_FIXED_TIME        = 0x1,
  73         VERBOSE_FIXED_TIME      = 0x2
  74 };
  75
  76 extern void     timestr(struct timeval *tv, char *str, size_t sz, int flags);
  77
  78 extern char *progname;
  79
  80 #endif  /* __COMMAND_H__ */