Andrew's git / gitweb.git /
3006a769cdd561d8a66c3eaeab3307d2e8273ca3
   1#ifndef PARSE_OPTIONS_H
   2#define PARSE_OPTIONS_H
   3
   4enum parse_opt_type {
   5        OPTION_END,
   6        OPTION_GROUP,
   7        OPTION_BOOLEAN,
   8        OPTION_STRING,
   9        OPTION_INTEGER,
  10};
  11
  12enum parse_opt_flags {
  13        PARSE_OPT_KEEP_DASHDASH = 1,
  14};
  15
  16struct option {
  17        enum parse_opt_type type;
  18        int short_name;
  19        const char *long_name;
  20        void *value;
  21        const char *argh;
  22        const char *help;
  23};
  24
  25#define OPT_END()                   { OPTION_END }
  26#define OPT_GROUP(h)                { OPTION_GROUP, 0, NULL, NULL, NULL, (h) }
  27#define OPT_BOOLEAN(s, l, v, h)     { OPTION_BOOLEAN, (s), (l), (v), NULL, (h) }
  28#define OPT_INTEGER(s, l, v, h)     { OPTION_INTEGER, (s), (l), (v), NULL, (h) }
  29#define OPT_STRING(s, l, v, a, h)   { OPTION_STRING,  (s), (l), (v), (a), (h) }
  30
  31/* parse_options() will filter out the processed options and leave the
  32 * non-option argments in argv[].
  33 * Returns the number of arguments left in argv[].
  34 */
  35extern int parse_options(int argc, const char **argv,
  36                         const struct option *options,
  37                         const char * const usagestr[], int flags);
  38
  39extern NORETURN void usage_with_options(const char * const *usagestr,
  40                                        const struct option *options);
  41
  42#endif