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-
- /* d4base.h (c)Copyright Sequiter Software Inc., 1987-1990. All rights reserved. */
-
- #ifdef NO_HUGE
- #define H_PTR *
- #else
- #define H_PTR huge *
- #endif
-
- typedef struct field_st
- {
- char name[11] ;
- char type ;
- short width ;
- short decimals ;
- short offset ;
- } FIELD ;
-
- typedef struct base_buf_st
- {
- int next,prev ;
-
- long start_rec ; /* -1L means none. */
- long end_rec ;
- int changed ; /* TRUE if the buffer has been modified. */
- } BASE_BUF ;
-
-
- /* BASE */
-
- typedef struct base_st
- {
- int next ; /* -1 flags last file in list */
- int prev ; /* -1 flags first file in list */
-
- char name[64] ; /* full path file name */
- int file_hand ;
- long rec_lock ; /* Record Number Locked
- 0 if no specific record is locked */
- int file_lock ; /* -1 Nothing; 0 Count Bytes; 1 File Locked */
-
- long rec_num ; /* The record number. */
- int bof ; /* Beginning of File; TRUE or FALSE */
- int eof ; /* End of File; TRUE or FALSE */
-
- int memo_file ; /* Handle for Memo File */
- int memo_size ; /* The memo file block size */
-
- /* Buffer Information */
- int buffer_len ; /* The first character is the deletion flag */
-
- char *old_buf ; /* The original buffer must be kept for
- updating index files. ie finding the
- key which needs to be replaced */
- char *buffer ; /* The new_buf memory is allocated with the
- old_buf memory */
- int buffer_changed; /* True if the buffer has been changed since
- last written to disk. */
-
- int num_fields ; /* The number of data fields in the database */
- FIELD *fields ; /* A pointer to the field information */
-
- int index_ref ; /* A reference to the last index file opened
- for the database */
- int current_index ; /* A reference to the index file actively used */
-
- int filter_ref ; /* The first filter reference for the database */
- int relate_ref ; /* The first relation reference for the database */
-
- int change_list ; /* A double linked list of changed buffers. */
- int buf_may_lend ; /* True if buffer memory can be temporarily
- released for 'packing', 'reindexing', ... */
- int buf_status ; /* 0 No Buffer; 1 Buffer Lent; 2 Buffer Avail. */
- long rec_tot ; /* Total number of records in all the buffers.*/
- long rec_per_buf ; /* Number of records per buffer. */
- long bytes_per_buf ; /* Number of bytes per buffer. */
- int max_bufs ; /* The no. of buffer slots allocated for 'bufs'. */
- int n_bufs ; /* The no. of buffers currently in use. */
- BASE_BUF *bufs ;
- char H_PTR buf_ptr ; /* Pointer to the start of the data. */
-
- /* Database Header Information */
- char version ; /* 83H with .dbt, 03H without */
- char yy ; /* Last Update */
- char mm ;
- char dd ;
- long num_recs ;
- unsigned short header_len;/* Header Length (Indicates # of fields) */
-
- } BASE ;
-
- typedef struct key_st
- {
- long file_block ;
- long rec_num ;
- char value[ 512 - 3*sizeof(long) ] ; /* The key size is variable */
- } KEY ;
-
- #ifdef CLIPPER
- #define BLOCK_SIZE 1024
- #define MAX_KEY_SIZE 338
- #else
- #define BLOCK_SIZE 512
- #define NULL_DATE 1.0E100
- #define MAX_KEY_SIZE 100
- #endif
-
- #define LOCK_START 1000000000L
-
- int b4browse( int (*)(void), int (*)(void) ) ;
- void b4call( int (*)(int,int) ) ;
- int b4edit( int (*)(void), int (*)(void) ) ;
- void b4margin(int,int) ;
- int b4quick_browse(void) ;
- int b4quick_edit(void) ;
- void b4verify( int (*)(int) ) ;
- double c4atod( char *, int) ;
- int c4atoi( char *, int) ;
- long c4atol( char *, int) ;
- char * c4dtoa( double, int, int) ;
- int c4dtok( int, double, char * ) ;
- void c4dt_str( char *, double *) ;
- int c4dt_julian( char *, double *) ;
- char * c4dt_format( char *, char *) ;
- char * c4dt_unformat( char *, char *) ;
- void c4encode( char *, char *, char *, char *) ;
- int c4julian( int, int, int) ;
- char * c4ltoa( long, char *, int) ;
- void c4trim_n( char *, int ) ;
- int d4append(void) ;
- int d4append_blank(void) ;
- void d4blank(void) ;
- int d4bof(void) ;
- int d4bottom( void ) ;
- long d4buf_init( long, long, long ) ;
- int d4buf_total( long, int, int ) ;
- int d4buf_unit( long ) ;
- int d4create( char *, int, FIELD *, int ) ;
- int d4close( void ) ;
- int d4close_all( void ) ;
- int d4delete( long) ;
- int d4deleted( void ) ;
- int d4eof(void) ;
- FIELD *d4fields(void) ;
- int d4flush( int ) ;
- int d4go( long) ;
- int d4init( void ) ;
- int d4init_undo( void ) ;
- int d4initialize( int, int, int, int, long ) ;
- int d4lock( long, int) ;
- int d4lock_all( int, int ) ;
- int d4lock_code( int ) ;
- int d4lock_wait( int ) ;
- int d4locked(long) ;
- int d4lseek( long ) ;
- char * d4name(void) ;
- int d4pack( void ) ;
- BASE * d4ptr( void ) ;
- int d4recall( long) ;
- long d4recno( void ) ;
- long d4reccount( void ) ;
- int d4ref( char *) ;
- int d4seek( void *) ;
- int d4seek_double( double ) ;
- int d4seek_str( char * ) ;
- int d4select( int ) ;
- int d4skip( long) ;
- int d4top( void ) ;
- int d4unlock( long) ;
- int d4use( char * ) ;
- int d4use_excl( char * ) ;
- int d4write( long) ;
- int d4zap( long, long ) ;
- void * e4eval( char *) ;
- void * e4exec( char *) ;
- int e4length(void) ;
- char * e4string( char * ) ;
- char * e4name( char) ;
- int e4parse( char *, char **) ;
- char e4type( void ) ;
- char * e4type_str( int) ;
- int e4type_error( char, int, int, int) ;
- void * e4vary( char * ) ;
- int f4char( long ) ;
- int f4decimals( long) ;
- double f4double( long ) ;
- char * f4name( long) ;
- int f4int( long ) ;
- long f4j_ref( int ) ;
- long f4long( long ) ;
- int f4ncpy( long, char *, int ) ;
- int f4num_fields ( void ) ;
- char * f4ptr( long) ;
- void f4r_double( long, double ) ;
- void f4r_long( long, long ) ;
- void f4r_int( long, int ) ;
- void f4r_char( long, char ) ;
- void f4r_str( long, char * ) ;
- void * f4record( void ) ;
- int f4record_width( void ) ;
- long f4ref( char *) ;
- int f4replace( long, void *) ;
- char * f4str( long) ;
- int f4true( long) ;
- char f4type( long) ;
- double f4value( long) ;
- int f4width( long) ;
- int i4add( int, char *, long) ;
- int i4bottom( int) ;
- long i4check( int) ;
- int i4close( int) ;
- char * i4eval( int) ;
- int i4free( int ) ;
- int i4go( int, char *, long) ;
- int i4index( char *, char *, int, int) ;
- int i4index_filter( char *, char *, int, int, int (*)(void)) ;
- KEY * i4key( int) ;
- int i4lock( int, int) ;
- char * i4name( int ) ;
- int i4open( char *) ;
- int i4ref( char *) ;
- int i4reindex( int ) ;
- int i4remove( int, char *, long) ;
- int i4seek( int, void *) ;
- int i4seek_ref( void ) ;
- int i4select( int) ;
- long i4skip( int, long) ;
- int i4top( int) ;
- char i4type( int) ;
- int i4unlock( int) ;
- void i4unselect( void ) ;
- long * m4check( long ) ;
- int m4convert( char * ) ;
- int m4edit( long, long, char *, int ) ;
- int m4exist( long ) ;
- int m4read( long, long, char *, int ) ;
- int m4renamed( char * ) ;
- int m4write( long, long, char *, int ) ;
- int m3edit( long, long, char *, int ) ;
- int m3exist( long ) ;
- int m3read( long, long, char *, int ) ;
- int m3write( long, long, char *, int ) ;
- int u4file_first( char *, char * ) ;
- int u4file_next( char * ) ;
- int u4lock( int, long, long, int) ;
- int u4open( char *, int ) ;
- int u4name_char( char ) ;
- void u4name_full( char *, char *, char * ) ;
- void u4name_part( char *, char *, int, int ) ;
- void u4sort() ;
- int u4unlock( int, long, long ) ;
- int x4buffer( long, char *, unsigned int ) ;
- void x4buffer_copy( int, char * ) ;
- int x4blank( void ) ;
- int x4copy( char *, long, int ) ;
- int x4edit( void ) ;
- int x4filter( int (*)(void) ) ;
- int x4filter_pop( void ) ;
- void x4filter_reset( void ) ;
- int x4filter_do( void ) ;
- int x4go( long) ;
- int x4list( void ) ;
- int x4pack( int ) ;
- int x4relate( char *, int, int, long ) ;
- int x4relate_reset( void ) ;
- int x4relate_do( void ) ;
- int x4seek( char *) ;
- int x4seek_double( double ) ;
- int x4seek_str( char * ) ;
- int x4skip( long ) ;
- int x4sort( char *, char *, long, int) ;
- int x4bottom( void ) ;
- int x4top( void ) ;
- double x4sum( long ) ;
- int x4insert( long ) ;
-
- #ifdef MSC
- int cdecl u4error( int, char *, ... ) ;
- #else
- int u4error( int, char *, ... ) ;
- #endif
-
- void i4filter( int (*)(void) ) ;
