jnlib/argparse.h

   1 /* argparse.h
   2  *      Copyright (C) 1998,1999,2000,2001,2006 Free Software Foundation, Inc.
   3  *
   4  * This file is part of JNLIB.
   5  *
   6  * JNLIB is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as
   8  * published by the Free Software Foundation; either version 2.1 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * JNLIB is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19  * 02110-1301, USA.
  20  */
  21
  22 #ifndef LIBJNLIB_ARGPARSE_H
  23 #define LIBJNLIB_ARGPARSE_H
  24
  25 #include <stdio.h>
  26 #include "types.h"
  27
  28 typedef struct {
  29      int  *argc;            /* pointer to argc (value subject to change) */
  30      char ***argv;          /* pointer to argv (value subject to change) */
  31      unsigned flags;        /* Global flags (DO NOT CHANGE) */
  32      int err;               /* print error about last option */
  33                             /* 1 = warning, 2 = abort */
  34      int r_opt;             /* return option */
  35      int r_type;            /* type of return value (0 = no argument found)*/
  36      union {
  37          int   ret_int;
  38          long  ret_long;
  39          unsigned long ret_ulong;
  40          char *ret_str;
  41      } r;                   /* Return values */
  42      struct {
  43          int idx;
  44          int inarg;
  45          int stopped;
  46          const char *last;
  47          void *aliases;
  48          const void *cur_alias;
  49      } internal;            /* DO NOT CHANGE */
  50 } ARGPARSE_ARGS;
  51
  52 typedef struct {
  53     int         short_opt;
  54     const char *long_opt;
  55     unsigned flags;
  56     const char *description; /* optional option description */
  57 } ARGPARSE_OPTS;
  58
  59
  60
  61 int arg_parse( ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
  62 int optfile_parse( FILE *fp, const char *filename, unsigned *lineno,
  63                    ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
  64 void usage( int level );
  65 const char *strusage( int level );
  66 void set_strusage( const char *(*f)( int ) );
  67
  68 #endif /*LIBJNLIB_ARGPARSE_H*/