diff options
Diffstat (limited to 'heap/hp_rrnd.c')
| -rw-r--r-- | heap/hp_rrnd.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/heap/hp_rrnd.c b/heap/hp_rrnd.c deleted file mode 100644 index 4daa3a06377..00000000000 --- a/heap/hp_rrnd.c +++ /dev/null @@ -1,106 +0,0 @@ -/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* Read a record from a random position */ - -#include "heapdef.h" - -/* - Returns one of following values: - 0 = Ok. - HA_ERR_RECORD_DELETED = Record is deleted. - HA_ERR_END_OF_FILE = EOF. -*/ - -int heap_rrnd(register HP_INFO *info, byte *record, byte *pos) -{ - HP_SHARE *share=info->s; - DBUG_ENTER("heap_rrnd"); - DBUG_PRINT("enter",("info: 0x%lx pos: %lx",info,pos)); - - info->lastinx= -1; - if (!(info->current_ptr= pos)) - { - info->update= 0; - DBUG_RETURN(my_errno= HA_ERR_END_OF_FILE); - } - if (!info->current_ptr[share->reclength]) - { - info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND; - DBUG_RETURN(my_errno=HA_ERR_RECORD_DELETED); - } - info->update=HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND | HA_STATE_AKTIV; - memcpy(record,info->current_ptr,(size_t) share->reclength); - DBUG_PRINT("exit",("found record at 0x%lx",info->current_ptr)); - info->current_hash_ptr=0; /* Can't use rnext */ - DBUG_RETURN(0); -} /* heap_rrnd */ - - -#ifdef WANT_OLD_HEAP_VERSION - -/* - If pos == -1 then read next record - Returns one of following values: - 0 = Ok. - HA_ERR_RECORD_DELETED = Record is deleted. - HA_ERR_END_OF_FILE = EOF. -*/ - -int heap_rrnd_old(register HP_INFO *info, byte *record, ulong pos) -{ - HP_SHARE *share=info->s; - DBUG_ENTER("heap_rrnd"); - DBUG_PRINT("enter",("info: 0x%lx pos: %ld",info,pos)); - - info->lastinx= -1; - if (pos == (ulong) -1) - { - pos= ++info->current_record; - if (pos % share->block.records_in_block && /* Quick next record */ - pos < share->records+share->deleted && - (info->update & HA_STATE_PREV_FOUND)) - { - info->current_ptr+=share->block.recbuffer; - goto end; - } - } - else - info->current_record=pos; - - if (pos >= share->records+share->deleted) - { - info->update= 0; - DBUG_RETURN(my_errno= HA_ERR_END_OF_FILE); - } - - /* Find record number pos */ - hp_find_record(info, pos); - -end: - if (!info->current_ptr[share->reclength]) - { - info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND; - DBUG_RETURN(my_errno=HA_ERR_RECORD_DELETED); - } - info->update=HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND | HA_STATE_AKTIV; - memcpy(record,info->current_ptr,(size_t) share->reclength); - DBUG_PRINT("exit",("found record at 0x%lx",info->current_ptr)); - info->current_hash_ptr=0; /* Can't use rnext */ - DBUG_RETURN(0); -} /* heap_rrnd */ - -#endif /* WANT_OLD_HEAP_VERSION */ |