campo-sirio/cb5/d4index.c
alex a0f5e0898b This commit was generated by cvs2svn to compensate for changes in r975,
which included commits to RCS files with non-trunk default branches.

git-svn-id: svn://10.65.10.50/trunk@976 c028cbd2-c16b-5b4b-a496-9718f37d4682
1995-02-06 15:33:45 +00:00

150 lines
2.8 KiB
C
Executable File

/* d4index.c (c)Copyright Sequiter Software Inc., 1990-1994. All rights reserved. */
#include "d4all.h"
#ifndef S4UNIX
#ifdef __TURBOC__
#pragma hdrstop
#endif
#endif
int S4FUNCTION d4free_blocks( DATA4 *data )
{
#ifdef S4INDEX_OFF
return 0 ;
#else
int rc ;
TAG4 *tag_on ;
if ( data == 0 )
#ifdef S4DEBUG
e4severe( e4parm, E4_D4FREE_BLOCKS ) ;
#else
return -1 ;
#endif
rc = 0 ;
for( tag_on = 0 ;; )
{
tag_on = (TAG4 *)d4tag_next( data, tag_on ) ;
if ( tag_on == 0 )
return rc ;
if ( t4free_all( tag_on ) < 0 )
rc = -1 ;
}
#endif
}
INDEX4 *S4FUNCTION d4index( DATA4 *data, char *index_name )
{
#ifdef S4INDEX_OFF
return 0 ;
#else
char index_lookup[258], current[258] ;
INDEX4 *index_on ;
#ifdef S4VBASIC
if ( c4parm_check( data, 2, E4_D4INDEX ) )
return 0 ;
#endif /* S4VBASIC */
if ( data == 0 || index_name == 0 )
#ifdef S4DEBUG
e4severe( e4parm, E4_D4INDEX ) ;
#else
return 0 ;
#endif
u4name_piece( index_lookup, sizeof(index_lookup), index_name, 1, 0 ) ;
#ifndef S4UNIX
c4upper( index_lookup ) ;
#endif
for( index_on = 0 ;; )
{
index_on = (INDEX4 *) l4next( &data->indexes, index_on) ;
if ( index_on == 0 )
return 0 ;
#ifdef N4OTHER
u4name_piece( current, sizeof(current), index_on->alias, 1, 0 ) ;
#else
u4name_piece( current, sizeof(current), index_on->file.name, 1, 0 ) ;
#endif /* N4OTHER */
#ifndef S4UNIX
c4upper( current ) ;
#endif
if ( !strcmp( current, index_lookup ) ) /* check out data->alias? */
return index_on ;
}
#endif
}
#ifndef S4OFF_WRITE
int S4FUNCTION d4reindex( DATA4 *data )
{
#ifdef S4INDEX_OFF
return 0 ;
#else
INDEX4 *index_on ;
int rc ;
#ifndef S4OPTIMIZE_OFF
int has_opt ;
#endif
#ifdef S4VBASIC
if ( c4parm_check( data, 2, E4_D4REINDEX ) )
return -1 ;
#endif /* S4VBASIC */
if ( data == 0 )
#ifdef S4DEBUG
e4severe( e4parm, E4_D4REINDEX ) ;
#else
return -1 ;
#endif
#ifdef S4SINGLE
if ( data->code_base->error_code < 0 )
return -1 ;
rc = 0 ;
#else
rc = d4lock_all( data ) ; /* updates the record, returns -1 if code_base->error_code < 0 */
if ( rc )
return rc ;
#endif /* S4SINGLE */
#ifndef S4OPTIMIZE_OFF
has_opt = data->code_base->has_opt && data->code_base->opt.num_buffers ;
if ( has_opt )
d4opt_suspend( data->code_base ) ;
#endif /* not S4OPTIMIZE_OFF */
for ( index_on = 0 ;; )
{
index_on = (INDEX4 *)l4next( &data->indexes, index_on ) ;
if ( index_on == 0 )
break ;
if ( i4reindex( index_on ) < 0 )
{
rc = -1 ;
break ;
}
}
#ifndef S4OPTIMIZE_OFF
if ( has_opt )
d4opt_restart( data->code_base ) ;
#endif /* not S4OPTIMIZE_OFF */
return rc ;
#endif
}
#endif /* S4OFF_WRITE */
#ifdef S4VB_DOS
INDEX4 *d4index_v( DATA4 *d4, char *index_name )
{
return d4index( d4, c4str(index_name) ) ;
}
#endif