76d73b299f8fdfb2dcdcf881f4e813cc14ad4db5
   1#ifndef PARSE_OPTIONS_H
   2#define PARSE_OPTIONS_H
   3
   4enum parse_opt_type {
   5        OPTION_END,
   6        OPTION_BOOLEAN,
   7        OPTION_STRING,
   8        OPTION_INTEGER,
   9};
  10
  11enum parse_opt_flags {
  12        PARSE_OPT_KEEP_DASHDASH = 1,
  13};
  14
  15struct option {
  16        enum parse_opt_type type;
  17        int short_name;
  18        const char *long_name;
  19        void *value;
  20};
  21
  22#define OPT_END()                   { OPTION_END }
  23#define OPT_BOOLEAN(s, l, v, h)     { OPTION_BOOLEAN, (s), (l), (v) }
  24#define OPT_INTEGER(s, l, v, h)     { OPTION_INTEGER, (s), (l), (v) }
  25#define OPT_STRING(s, l, v, a, h)   { OPTION_STRING,  (s), (l), (v) }
  26
  27/* parse_options() will filter out the processed options and leave the
  28 * non-option argments in argv[].
  29 * Returns the number of arguments left in argv[].
  30 */
  31extern int parse_options(int argc, const char **argv,
  32                         const struct option *options,
  33                         const char *usagestr, int flags);
  34
  35#endif