dernc.h

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/******************************************************************************/
/******************************************************************************/

#ifndef RNC_DERNC_H
#define RNC_DERNC_H

typedef long (*rnc_callback)(long done,long total);

/*
 * Routines
 */
long rnc_plen (void *packed);
long rnc_ulen (void *packed);
#ifndef COMPRESSOR
long rnc_unpack (const void *packed, void *unpacked, const unsigned int flags);
#else
long rnc_unpack (const void *packed, void *unpacked, const unsigned int flags, long *leeway);
#endif

long rnc_nocallback(long done,long total);
long rnc_printcallback(long done,long total);

char *rnc_error (long errcode);
long rnc_crc (const void *data, unsigned long len);

/*
 * Error returns.
 * RNC support reserves error codes -1 to -16.
 */
#define RNC_FILE_IS_NOT_RNC    -1
#define RNC_HUF_DECODE_ERROR   -2
#define RNC_FILE_SIZE_MISMATCH -3
#define RNC_PACKED_CRC_ERROR   -4
#define RNC_UNPACKED_CRC_ERROR -5
#define RNC_HEADER_VAL_ERROR   -6
#define RNC_HUF_EXCEEDS_RANGE  -7

enum EXTRA_OBJ_LOAD {
    RNC_IGNORE_NONE               = 0x0000,
    RNC_IGNORE_FILE_IS_NOT_RNC    = 0x0001,
    RNC_IGNORE_HUF_DECODE_ERROR   = 0x0002,
    RNC_IGNORE_FILE_SIZE_MISMATCH = 0x0004,
    RNC_IGNORE_PACKED_CRC_ERROR   = 0x0008,
    RNC_IGNORE_UNPACKED_CRC_ERROR = 0x0010,
    RNC_IGNORE_HEADER_VAL_ERROR   = 0x0020,
    RNC_IGNORE_HUF_EXCEEDS_RANGE  = 0x0040,
    };

#ifdef INTERNAL

#define RNC_SIGNATURE_INT 0x524E4301
#endif

#define RNC_MAX_FILESIZE 1<<30

#define SIZEOF_RNC_HEADER  18

#endif

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