121 lines
2.7 KiB
C
Executable File
121 lines
2.7 KiB
C
Executable File
/* i4dump.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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#ifdef S4STAND_ALONE
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#ifndef S4INDEX_OFF
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/* not supported for FoxPro compact index file structures */
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#ifdef S4MDX /* ifndef S4FOX */
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static void output( int h, char * s )
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{
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write( h, s, strlen(s) ) ;
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}
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static int tfile4dumpDo( TAG4FILE *t4, int outHandle, int level, int displayAll )
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{
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char outBuf[200] ;
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int rc, iKey ;
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B4BLOCK *blockOn ;
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char buf[ I4MAX_KEY_SIZE ] ;
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int len ;
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rc = tfile4down( t4 ) ;
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if ( rc < 0 || rc == 2 )
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return -1 ;
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blockOn = tfile4block( t4 ) ;
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if ( b4leaf( blockOn ) && !displayAll )
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{
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tfile4up( t4 ) ;
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return 0 ;
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}
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if ( b4leaf( blockOn) )
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{
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M4PRINT( outBuf, "\r\n\r\nLeaf B4BLOCK #: %ld Level %d\r\n\r\n", blockOn->fileBlock, level ) ;
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output( outHandle, outBuf ) ;
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output( outHandle, "Record Number Key\r\n" ) ;
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}
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else
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{
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M4PRINT( outBuf, "\r\n\r\nBranch B4BLOCK #: %ld Level %d\r\n\r\n", blockOn->fileBlock, level ) ;
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output( outHandle, outBuf ) ;
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output( outHandle, "FILE4 B4BLOCK Key\r\n" ) ;
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}
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for ( iKey = 0; iKey < blockOn->nKeys; iKey++ )
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{
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M4PRINT( outBuf, "\r\n%10ld ", b4key(blockOn,iKey)->num ) ;
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output( outHandle, outBuf ) ;
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if ( tfile4type( t4 ) == r4str )
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{
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len = 50 ;
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if ( len > t4->header.keyLen )
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len = t4->header.keyLen ;
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memcpy( buf, b4keyKey( blockOn, iKey ), len ) ;
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buf[len] = 0 ;
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output( outHandle, buf ) ;
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}
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}
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if ( b4leaf( blockOn ) )
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{
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tfile4up( t4 ) ;
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return 0 ;
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}
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M4PRINT( outBuf, "\r\n%10ld ", b4key( blockOn, iKey )->num ) ;
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output( outHandle, outBuf ) ;
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blockOn->keyOn = 0 ;
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do
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{
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rc = tfile4dumpDo( t4, outHandle, level + 1, displayAll ) ;
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if ( rc > 0 )
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return error4( t4->codeBase, e4result, E94905 ) ;
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if ( rc < 0 )
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return -1 ;
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} while ( b4skip( blockOn, 1) == 1 ) ;
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tfile4up(t4) ;
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return 0 ;
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}
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int tfile4dump( TAG4FILE *t4, int outHandle, const int displayAll )
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{
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int rc ;
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#ifdef E4PARM_LOW
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if ( t4 == 0 )
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return error4( 0, e4parm_null, E94902 ) ;
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#endif
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if ( error4code( t4->codeBase ) < 0 )
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return -1 ;
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rc = index4lock( t4->indexFile, 0L ) ;
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if ( rc )
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return rc ;
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if ( tfile4freeAll( t4 ) < 0 )
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return -1 ;
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output( outHandle, "\r\n\r\n" ) ;
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tfile4dumpDo( t4, outHandle, 0, displayAll ) ;
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return index4unlock( t4->indexFile, 0L ) ;
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}
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#endif /* S4MDX */
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#endif /* S4INDEX_OFF */
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#endif /* S4STAND_ALONE */
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