git.m6w6.name Git - m6w6/libmemcached/blob - src/p9y/getopt.hpp

   1 #pragma once
   2
   3 #include "mem_config.h"
   4
   5 #ifdef HAVE_GETOPT_H
   6 #  include <getopt.h>
   7 #else
   8
   9 #  ifdef __cplusplus
  10 extern "C" {
  11 #  endif
  12
  13 extern int opterr;    /* if error message should be printed */
  14 extern int optind;    /* index into parent argv vector */
  15 extern char *optarg;  /* argument associated with option */
  16
  17 struct option    /* specification for a long form option...  */
  18 {
  19   const char *name;       /* option name, without leading hyphens */
  20   int         has_arg;    /* does it take an argument?    */
  21   int        *flag;       /* where to save its status, or NULL  */
  22   int         val;        /* its associated status value    */
  23 };
  24
  25 enum            /* permitted values for its `has_arg' field...  */
  26 {
  27   no_argument = 0,        /* option never takes an argument  */
  28   required_argument,      /* option always requires an argument  */
  29   optional_argument       /* option may take an argument    */
  30 };
  31
  32 int getopt(int nargc, char * const *nargv, const char *options);
  33 int getopt_long(int nargc, char * const *nargv, const char *options,
  34     const struct option *long_options, int *idx);
  35 int getopt_long_only(int nargc, char * const *nargv, const char *options,
  36     const struct option *long_options, int *idx);
  37
  38 #  ifdef __cplusplus
  39 }
  40 #  endif
  41
  42 #endif // HAVE_GETOPT_H