jnlib/argparse.h

   1 /* argparse.h
   2  *      Copyright (C) 1998,1999 Free Software Foundation, Inc.
   3  *
   4  * This file is part of GnuPG.
   5  *
   6  * GnuPG is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GnuPG is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  19  */
  20
  21 #ifndef LIBJNLIB_ARGPARSE_H
  22 #define LIBJNLIB_ARGPARSE_H
  23
  24 typedef struct {
  25      int  *argc;            /* pointer to argc (value subject to change) */
  26      char ***argv;          /* pointer to argv (value subject to change) */
  27      unsigned flags;        /* Global flags (DO NOT CHANGE) */
  28      int err;               /* print error about last option */
  29                             /* 1 = warning, 2 = abort */
  30      int r_opt;             /* return option */
  31      int r_type;            /* type of return value (0 = no argument found)*/
  32      union {
  33          int   ret_int;
  34          long  ret_long;
  35          ulong ret_ulong;
  36          char *ret_str;
  37      } r;                   /* Return values */
  38      struct {
  39          int idx;
  40          int inarg;
  41          int stopped;
  42          const char *last;
  43          void *aliases;
  44          const void *cur_alias;
  45      } internal;            /* DO NOT CHANGE */
  46 } ARGPARSE_ARGS;
  47
  48 typedef struct {
  49     int         short_opt;
  50     const char *long_opt;
  51     unsigned flags;
  52     const char *description; /* optional option description */
  53 } ARGPARSE_OPTS;
  54
  55
  56
  57 int arg_parse( ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
  58 int optfile_parse( FILE *fp, const char *filename, unsigned *lineno,
  59                    ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
  60 void usage( int level );
  61 const char *strusage( int level );
  62 void set_strusage( const char *(*f)( int ) );
  63
  64 #endif /*LIBJNLIB_ARGPARSE_H*/