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Additional code to make sure and to assert that memory allocations have

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8-byte alignment.  Ticket #3777. (CVS 6450)

FossilOrigin-Name: 208382e032134d9c78fe1cfcb98ce9defb4e3e26
This commit is contained in:
drh
2009-04-05 12:22:08 +00:00
parent 3c71364643
commit ea598cbd8d
8 changed files with 50 additions and 31 deletions
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5
src/vdbeaux.c
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@@ -14,7 +14,7 @@
** to version 2.8.7, all this code was combined into the vdbe.c source file.
** But that file was getting too big so this subroutines were split out.
**
** $Id: vdbeaux.c,v 1.446 2009/03/25 15:43:09 danielk1977 Exp $
** $Id: vdbeaux.c,v 1.447 2009/04/05 12:22:09 drh Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
@@ -1023,6 +1023,7 @@ static void allocSpace(
u8 *pEnd, /* Pointer to 1 byte past the end of *ppFrom buffer */
int *pnByte /* If allocation cannot be made, increment *pnByte */
){
assert( EIGHT_BYTE_ALIGNMENT(*ppFrom) );
if( (*(void**)pp)==0 ){
nByte = ROUND8(nByte);
if( (pEnd - *ppFrom)>=nByte ){
@@ -1096,6 +1097,8 @@ void sqlite3VdbeMakeReady(
if( isExplain && nMem<10 ){
nMem = 10;
}
zCsr += (zCsr - (u8*)0)&7;
assert( EIGHT_BYTE_ALIGNMENT(zCsr) );
do {
memset(zCsr, 0, zEnd-zCsr);