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gnupg/jnlib/argparse.h

80 lines
2.5 KiB
C

/* argparse.h
* Copyright (C) 1998,1999,2000,2001,2006 Free Software Foundation, Inc.
*
* This file is part of JNLIB.
*
* JNLIB is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* JNLIB is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBJNLIB_ARGPARSE_H
#define LIBJNLIB_ARGPARSE_H
#include <stdio.h>
#include "types.h"
typedef struct {
int *argc; /* pointer to argc (value subject to change) */
char ***argv; /* pointer to argv (value subject to change) */
unsigned flags; /* Global flags (DO NOT CHANGE) */
int err; /* print error about last option */
/* 1 = warning, 2 = abort */
int r_opt; /* return option */
int r_type; /* type of return value (0 = no argument found)*/
union {
int ret_int;
long ret_long;
unsigned long ret_ulong;
char *ret_str;
} r; /* Return values */
struct {
int idx;
int inarg;
int stopped;
const char *last;
void *aliases;
const void *cur_alias;
} internal; /* DO NOT CHANGE */
} ARGPARSE_ARGS;
typedef struct {
int short_opt;
const char *long_opt;
unsigned flags;
const char *description; /* optional option description */
} ARGPARSE_OPTS;
/* Error values. */
#define ARGPARSE_IS_ARG (-1)
#define ARGPARSE_INVALID_OPTION (-2)
#define ARGPARSE_MISSING_ARG (-3)
#define ARGPARSE_KEYWORD_TOO_LONG (-4)
#define ARGPARSE_READ_ERROR (-5)
#define ARGPARSE_UNEXPECTED_ARG (-6)
#define ARGPARSE_INVALID_COMMAND (-7)
#define ARGPARSE_AMBIGUOUS_OPTION (-8)
#define ARGPARSE_AMBIGUOUS_COMMAND (-9)
#define ARGPARSE_INVALID_ALIAS (-10)
#define ARGPARSE_OUT_OF_CORE (-11)
int arg_parse( ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
int optfile_parse( FILE *fp, const char *filename, unsigned *lineno,
ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
void usage( int level );
const char *strusage( int level );
void set_strusage( const char *(*f)( int ) );
#endif /*LIBJNLIB_ARGPARSE_H*/