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Added an assert() to detect lookaside memory leaks. Also added the

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SQLITE_OMIT_LOOKASIDE compile-time option which is useful in trying to
track down lookaside memory leaks. (CVS 5800)

FossilOrigin-Name: 0c4c66071a46cecc5f87afb8f8f01ae2c90ee9b3
This commit is contained in:
drh
2008-10-11 15:38:29 +00:00
parent 99655beecf
commit 4150ebf86f
4 changed files with 17 additions and 10 deletions
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8
src/malloc.c
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@@ -12,7 +12,7 @@
**
** Memory allocation functions used throughout sqlite.
**
** $Id: malloc.c,v 1.42 2008/09/23 16:41:30 danielk1977 Exp $
** $Id: malloc.c,v 1.43 2008/10/11 15:38:30 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
@@ -485,9 +485,13 @@ void sqlite3PageFree(void *p){
/*
** TRUE if p is a lookaside memory allocation from db
*/
#ifndef SQLITE_OMIT_LOOKASIDE
static int isLookaside(sqlite3 *db, void *p){
return db && p && p>=db->lookaside.pStart && p<db->lookaside.pEnd;
}
#else
#define isLookaside(A,B) 0
#endif
/*
** Return the size of a memory allocation previously obtained from
@@ -617,6 +621,7 @@ void *sqlite3DbMallocZero(sqlite3 *db, int n){
*/
void *sqlite3DbMallocRaw(sqlite3 *db, int n){
void *p;
#ifndef SQLITE_OMIT_LOOKASIDE
if( db ){
LookasideSlot *pBuf;
if( db->mallocFailed ){
@@ -632,6 +637,7 @@ void *sqlite3DbMallocRaw(sqlite3 *db, int n){
return (void*)pBuf;
}
}
#endif
p = sqlite3Malloc(n);
if( !p && db ){
db->mallocFailed = 1;