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Install new alignment code to use MAXALIGN rather than DOUBLEALIGN where

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approproate.
This commit is contained in:
Bruce Momjian
1999-07-19 07:07:29 +00:00
parent e259780b13
commit faf7d78174
19 changed files with 70 additions and 69 deletions
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14
src/backend/storage/page/bufpage.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.26 1999/07/17 20:17:48 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.27 1999/07/19 07:07:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -41,7 +41,7 @@ PageInit(Page page, Size pageSize, Size specialSize)
Assert(pageSize >
specialSize + sizeof(PageHeaderData) - sizeof(ItemIdData));
specialSize = DOUBLEALIGN(specialSize);
specialSize = MAXALIGN(specialSize);
p->pd_lower = sizeof(PageHeaderData) - sizeof(ItemIdData);
p->pd_upper = pageSize - specialSize;
@@ -149,7 +149,7 @@ PageAddItem(Page page,
else
lower = ((PageHeader) page)->pd_lower;
alignedSize = DOUBLEALIGN(size);
alignedSize = MAXALIGN(size);
upper = ((PageHeader) page)->pd_upper - alignedSize;
@@ -190,12 +190,12 @@ PageGetTempPage(Page page, Size specialSize)
/* clear out the middle */
size = (pageSize - sizeof(PageHeaderData)) + sizeof(ItemIdData);
size -= DOUBLEALIGN(specialSize);
size -= MAXALIGN(specialSize);
MemSet((char *) &(thdr->pd_linp[0]), 0, size);
/* set high, low water marks */
thdr->pd_lower = sizeof(PageHeaderData) - sizeof(ItemIdData);
thdr->pd_upper = pageSize - DOUBLEALIGN(specialSize);
thdr->pd_upper = pageSize - MAXALIGN(specialSize);
return temp;
}
@@ -307,7 +307,7 @@ PageRepairFragmentation(Page page)
for (i = 0, itemidptr = itemidbase; i < nused; i++, itemidptr++)
{
lp = ((PageHeader) page)->pd_linp + itemidptr->offsetindex;
alignedSize = DOUBLEALIGN((*lp).lp_len);
alignedSize = MAXALIGN((*lp).lp_len);
upper = ((PageHeader) page)->pd_upper - alignedSize;
memmove((char *) page + upper,
(char *) page + (*lp).lp_off,
@@ -381,7 +381,7 @@ PageIndexTupleDelete(Page page, OffsetNumber offnum)
tup = PageGetItemId(page, offnum);
size = ItemIdGetLength(tup);
size = DOUBLEALIGN(size);
size = MAXALIGN(size);
/* location of deleted tuple data */
locn = (char *) (page + ItemIdGetOffset(tup));