/* r4reindex.h   (c)Copyright Sequiter Software Inc., 1990-1994.  All rights reserved. */

typedef struct
{
  /* must be before n_keys  */
#ifdef S4CLIPPER
  short    S4PTR *block_index ;
  char     S4PTR *data;
#endif

#ifdef S4FOX
  B4STD_HEADER header ;
#else
  short     n_keys ;
#endif

#ifdef S4MDX
  char      dummy[6] ;
  char      info[2] ;
#endif

#ifdef S4NDX
  char      dummy[2] ;
  char      info;
#endif
} R4BLOCK_DATA ;

typedef struct  /* R4REINDEX  For 'i4reindex' */
{
#ifndef N4OTHER
  TAG4 S4PTR   *tag ;
  INDEX4 S4PTR *index ;
  int           n_tags ;
#endif

#ifdef S4FOX
  char      S4PTR *cur_pos ;
  B4NODE_HEADER node_hdr ;
  int        n_blocks_used ;
#else
#ifdef S4CLIPPER
  B4KEY_DATA S4PTR *stranded ;
  int     keys_half ;
  int     lastblock_inc ;        /* How much to increment 'lastblock' by */
  int     n_blocks_used ;
#else
  int     lastblock_inc ;        /* How much to increment 'lastblock' by */
  unsigned blocklen ;
#endif
#endif

  int           grouplen ;             /* Entire key length */
  int           valuelen ;             /* Length of sorted portion of key */
  int           keysmax ;
  long          lastblock ;            /* The block last written to */
  long          key_count ;

  SORT4         sort ;

  FILE4SEQ_WRITE     seqwrite ;
  char S4PTR   *buffer ;      /* Buffer for 'seqwrite' and 'seqread' */
  int           buffer_len ;

  R4BLOCK_DATA S4PTR *start_block ;
  int           n_blocks ;
  int           min_keysmax;  /* To calculate the number of blocks */

  DATA4 S4PTR  *data ;
  CODE4 S4PTR  *code_base ;
} R4REINDEX ;

#ifdef __cplusplus
extern "C" {
#endif

  void r4reindex_free( R4REINDEX S4PTR * ) ;

#ifdef N4OTHER
  int r4reindex_tag_headers_calc( R4REINDEX S4PTR *, TAG4 S4PTR * ) ;
  int r4reindex_supply_keys( R4REINDEX S4PTR *, TAG4 S4PTR * ) ;
  int r4reindex_write_keys( R4REINDEX S4PTR *, TAG4 S4PTR * ) ;
  int r4reindex_tag_headers_write( R4REINDEX S4PTR *, TAG4 S4PTR * ) ;
  int r4reindex_init( R4REINDEX S4PTR *, TAG4 S4PTR * ) ;
#else
  int r4reindex_tag_headers_calc( R4REINDEX S4PTR * ) ;
  int r4reindex_supply_keys( R4REINDEX S4PTR * ) ;
  int r4reindex_write_keys( R4REINDEX S4PTR * ) ;
  int r4reindex_tag_headers_write( R4REINDEX S4PTR * ) ;
  int r4reindex_init( R4REINDEX S4PTR *, INDEX4 S4PTR * ) ;
#endif
  int r4reindex_blocks_alloc( R4REINDEX S4PTR * ) ;
  TAG4 S4PTR *r4reindex_find_i_tag( R4REINDEX S4PTR *, int ) ;

  /* Write key functions */
#ifdef S4FOX
  int r4reindex_add( R4REINDEX S4PTR *, long, char S4PTR *, char S4PTR *, int S4PTR * ) ;
  int r4reindex_finish( R4REINDEX S4PTR *, char S4PTR * ) ;
  int r4reindex_todisk( R4REINDEX S4PTR *, char S4PTR * ) ;
#else
  int r4reindex_add( R4REINDEX S4PTR *, long, char S4PTR * ) ;
  int r4reindex_finish( R4REINDEX S4PTR * ) ;
#ifdef S4CLIPPER
  int r4reindex_todisk( R4REINDEX S4PTR *, long, char S4PTR * ) ;
#else
  int r4reindex_todisk( R4REINDEX S4PTR * ) ;
#endif
#endif

#ifdef __cplusplus
}
#endif