args.h

   1 /*
   2  *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license and patent
   5  *  grant that can be found in the LICENSE file in the root of the source
   6  *  tree. All contributing project authors may be found in the AUTHORS
   7  *  file in the root of the source tree.
   8  */
   9
  10
  11 #ifndef ARGS_H
  12 #define ARGS_H
  13 #include <stdio.h>
  14
  15 struct arg
  16 {
  17     char                 **argv;
  18     const char            *name;
  19     const char            *val;
  20     unsigned int           argv_step;
  21     const struct arg_def  *def;
  22 };
  23
  24 typedef struct arg_def
  25 {
  26     const char *short_name;
  27     const char *long_name;
  28     int         has_val;
  29     const char *desc;
  30 } arg_def_t;
  31 #define ARG_DEF(s,l,v,d) {s,l,v,d}
  32 #define ARG_DEF_LIST_END {0}
  33
  34 struct arg arg_init(char **argv);
  35 int arg_match(struct arg *arg_, const struct arg_def *def, char **argv);
  36 const char *arg_next(struct arg *arg);
  37 void arg_show_usage(FILE *fp, const struct arg_def *const *defs);
  38 char **argv_dup(int argc, const char **argv);
  39
  40 unsigned int arg_parse_uint(const struct arg *arg);
  41 int arg_parse_int(const struct arg *arg);
  42 struct vpx_rational arg_parse_rational(const struct arg *arg);
  43 #endif