tipc/cmdl.h

   1 /*
   2  * cmdl.h       Framework for handling command line options.
   3  *
   4  *              This program is free software; you can redistribute it and/or
   5  *              modify it under the terms of the GNU General Public License
   6  *              as published by the Free Software Foundation; either version
   7  *              2 of the License, or (at your option) any later version.
   8  *
   9  * Authors:     Richard Alpe <richard.alpe@ericsson.com>
  10  */
  11
  12 #ifndef _TIPC_CMDL_H
  13 #define _TIPC_CMDL_H
  14
  15 #include <libmnl/libmnl.h>
  16
  17 extern int help_flag;
  18
  19 enum {
  20         OPT_KEY                 = (1 << 0),
  21         OPT_KEYVAL              = (1 << 1),
  22 };
  23
  24 struct cmdl {
  25         int optind;
  26         int argc;
  27         char **argv;
  28 };
  29
  30 struct tipc_sup_media {
  31         char *media;
  32         char *identifier;
  33         void (*help)(struct cmdl *cmdl, char *media);
  34 };
  35
  36 struct cmd {
  37         const char *cmd;
  38         int (*func)(struct nlmsghdr *nlh, const struct cmd *cmd,
  39                     struct cmdl *cmdl, void *data);
  40         void (*help)(struct cmdl *cmdl);
  41 };
  42
  43 struct opt {
  44         const char *key;
  45         uint16_t flag;
  46         char *val;
  47 };
  48
  49 struct opt *get_opt(struct opt *opts, char *key);
  50 bool has_opt(struct opt *opts, char *key);
  51 int parse_opts(struct opt *opts, struct cmdl *cmdl);
  52 char *shift_cmdl(struct cmdl *cmdl);
  53
  54 int run_cmd(struct nlmsghdr *nlh, const struct cmd *caller,
  55             const struct cmd *cmds, struct cmdl *cmdl, void *data);
  56
  57 #endif