96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
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/* d4field.c (c)Copyright Sequiter Software Inc., 1988-1996. 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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FIELD4 *S4FUNCTION d4field( DATA4 *data, const char *fieldName )
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{
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int i ;
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#ifdef S4VBASIC
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if ( c4parm_check( data, 2, E94001 ) )
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return 0 ;
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#endif
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#ifdef E4PARM_HIGH
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if ( data == 0 )
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{
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error4( 0, e4parm_null, E94001 ) ;
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return 0 ;
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}
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#endif
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i = d4fieldNumber( data, fieldName ) - 1 ;
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if ( i < 0 )
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return 0 ;
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return data->fields + i ;
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}
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FIELD4 *S4FUNCTION d4fieldJ( DATA4 *data, const int jField )
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{
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#ifdef S4VBASIC
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if ( c4parm_check( data, 2, E94002 ) )
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return 0 ;
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#endif
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#ifdef E4PARM_HIGH
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if ( data == 0 )
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{
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error4( 0, e4parm_null, E94002 ) ;
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return (FIELD4 *)0 ;
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}
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if ( jField <= 0 || data->fields == 0 || jField > data->dataFile->nFields )
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{
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error4( data->codeBase, e4parm, E94002 ) ;
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return (FIELD4 *)0 ;
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}
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#endif
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return data->fields + jField - 1 ;
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}
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int S4FUNCTION d4fieldNumber( DATA4 *data, const char *fieldName )
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{
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char buf[256] ;
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int i ;
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#ifdef E4PARM_HIGH
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if ( data == 0 )
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return error4( 0, e4parm_null, E94003 ) ;
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#endif
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if ( fieldName )
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{
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u4ncpy( buf, fieldName, sizeof( buf ) ) ;
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c4trimN( buf, sizeof( buf ) ) ;
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c4upper( buf ) ;
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for ( i = 0 ; i < data->dataFile->nFields ; i++ )
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if ( !strcmp( buf, data->fields[i].name ) )
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return i + 1 ;
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}
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if ( data->codeBase->errFieldName )
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return error4describe( data->codeBase, e4fieldName, E94003, fieldName, 0, 0 ) ;
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return e4fieldName ;
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}
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#ifdef S4VB_DOS
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FIELD4 *d4field_v( DATA4 *d4, char *fldName )
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{
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return d4field( d4, c4str(fldName) ) ;
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}
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int d4fieldNumber( DATA4 *d4, char *fldName )
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{
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return d4fieldNumber( d4, c4str(fldName) ) ;
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}
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#endif
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