jas_getopt.h

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/*
 * Copyright (c) 1999-2000 Image Power, Inc. and the University of
 *   British Columbia.
 * Copyright (c) 2001-2002 Michael David Adams.
 * All rights reserved.
 */
 
/* __START_OF_JASPER_LICENSE__
 * 
 * JasPer License Version 2.0
 * 
 * Copyright (c) 2001-2006 Michael David Adams
 * Copyright (c) 1999-2000 Image Power, Inc.
 * Copyright (c) 1999-2000 The University of British Columbia
 * 
 * All rights reserved.
 * 
 * Permission is hereby granted, free of charge, to any person (the
 * "User") obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, and/or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so, subject to the
 * following conditions:
 * 
 * 1.  The above copyright notices and this permission notice (which
 * includes the disclaimer below) shall be included in all copies or
 * substantial portions of the Software.
 * 
 * 2.  The name of a copyright holder shall not be used to endorse or
 * promote products derived from the Software without specific prior
 * written permission.
 * 
 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
 * LICENSE.  NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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 * __END_OF_JASPER_LICENSE__
 */
 
#ifndef JAS_GETOPT_H
#define JAS_GETOPT_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* The configuration header file should be included first. */
#include <jasper/jas_config.h>
 
/******************************************************************************\
* Constants.
\******************************************************************************/
 
#define JAS_GETOPT_EOF  (-1)
 
#define JAS_GETOPT_ERR  '?'
 
#define JAS_OPT_HASARG  0x01    /* option has argument */
 
/******************************************************************************\
* Types.
\******************************************************************************/
 
typedef struct {
 
        /* The unique identifier for this option. */
        int id;
 
        /* The name of this option. */
        const char *name;
 
        /* option flags. */
        int flags;
 
} jas_opt_t;
 
/******************************************************************************\
* External data.
\******************************************************************************/
 
JAS_EXPORT
extern int jas_optind;
 
JAS_EXPORT
extern const char *jas_optarg;
 
JAS_EXPORT
extern int jas_opterr;
 
/******************************************************************************\
* Prototypes.
\******************************************************************************/
 
JAS_EXPORT
int jas_getopt(int argc, char **argv, const jas_opt_t *opts);
 
#ifdef __cplusplus
}
#endif
 
#endif