114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
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/* d4fresh.c (c)Copyright Sequiter Software Inc., 1990-1994. All rights reserved. */
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#include "d4all.h"
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#ifndef S4UNIX
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#ifdef __TURBOC__
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#pragma hdrstop
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#endif
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#endif
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int S4FUNCTION d4refresh( DATA4 *data )
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{
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#ifndef S4SINGLE
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#ifndef S4OPTIMIZE_OFF
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INDEX4 *index_on ;
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#ifdef N4OTHER
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TAG4 *tag_on ;
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#endif
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if ( data == 0 )
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#ifdef S4DEBUG
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e4severe( e4parm, E4_D4REFRESH ) ;
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#else
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return -1 ;
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#endif
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file4refresh( &data->file ) ;
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if ( data->n_fields_memo > 0 && data->memo_file.file.hand != -1 )
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file4refresh( &data->memo_file.file ) ;
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for ( index_on = 0 ;; )
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{
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index_on = (INDEX4 *) l4next( &data->indexes, index_on ) ;
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if ( index_on == 0 )
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break ;
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#ifdef N4OTHER
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for( tag_on = 0 ;; )
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{
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tag_on = (TAG4 *)l4next( &index_on->tags, tag_on) ;
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if ( tag_on == 0 )
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break ;
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file4refresh( &tag_on->file ) ;
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}
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#else
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file4refresh( &index_on->file ) ;
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#endif
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}
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if ( data->code_base->error_code < 0 )
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return -1 ;
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#endif
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#endif
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return 0 ;
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}
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int S4FUNCTION d4refresh_record( DATA4 *data )
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{
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#ifndef S4SINGLE
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#ifndef S4OPTIMIZE_OFF
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#ifndef S4MEMO_OFF
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int i ;
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#endif
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OPT4 *opt ;
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int rc ;
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if ( data == 0 )
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#ifdef S4DEBUG
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e4severe( e4parm, E4_D4REFRESH_REC ) ;
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#else
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return -1 ;
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#endif
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opt = &data->code_base->opt ;
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if ( data->file_lock || data->file.is_exclusive || opt == 0 || data->rec_num <= 0L || data->rec_num > d4reccount( data ) )
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return 0 ;
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if ( data->file.do_buffer ) /* also makes sure 'opt' should exist */
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opt->force_current = 1 ;
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#ifndef S4MEMO_OFF
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if ( data->n_fields_memo > 0 && data->memo_file.file.hand != -1 )
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{
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file4refresh( &data->memo_file.file ) ;
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for ( i = 0; i < data->n_fields_memo; i++ )
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f4memo_reset( data->fields_memo[i].field ) ;
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}
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#endif
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data->record_changed = 0 ;
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rc = d4go_data( data, data->rec_num ) ;
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if ( rc )
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return rc ;
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data->bof_flag = data->eof_flag = 0 ;
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if ( data->file.do_buffer ) /* also makes sure 'opt' should exist */
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opt->force_current = 0 ;
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#ifndef S4DETECT_OFF
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data->code_base->mode |= 0x01 ;
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#endif
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if ( d4lock_test( data, data->rec_num ) )
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{
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memcpy( data->record_old, data->record, data->record_width ) ;
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data->rec_num_old = data->rec_num ;
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data->memo_validated = 1 ;
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}
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else
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data->memo_validated = 0 ;
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if ( data->code_base->error_code < 0 )
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return -1 ;
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#endif
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#endif
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return 0 ;
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}
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