Added an assert() to detect lookaside memory leaks. Also added the
SQLITE_OMIT_LOOKASIDE compile-time option which is useful in trying to
track down lookaside memory leaks. (CVS 5800)
FossilOrigin-Name: 0c4c66071a46cecc5f87afb8f8f01ae2c90ee9b3
diff --git a/src/main.c b/src/main.c
index 97d5475..1e6d2d5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
-** $Id: main.c,v 1.506 2008/10/11 15:20:05 drh Exp $
+** $Id: main.c,v 1.507 2008/10/11 15:38:30 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -635,6 +635,7 @@
sqlite3_mutex_leave(db->mutex);
db->magic = SQLITE_MAGIC_CLOSED;
sqlite3_mutex_free(db->mutex);
+ assert( db->lookaside.nOut==0 ); /* Fails on a lookaside memory leak */
if( db->lookaside.bMalloced ){
sqlite3_free(db->lookaside.pStart);
}
diff --git a/src/malloc.c b/src/malloc.c
index 65fdc26..2d09af6 100644
--- a/src/malloc.c
+++ b/src/malloc.c
@@ -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 @@
/*
** 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 *sqlite3DbMallocRaw(sqlite3 *db, int n){
void *p;
+#ifndef SQLITE_OMIT_LOOKASIDE
if( db ){
LookasideSlot *pBuf;
if( db->mallocFailed ){
@@ -632,6 +637,7 @@
return (void*)pBuf;
}
}
+#endif
p = sqlite3Malloc(n);
if( !p && db ){
db->mallocFailed = 1;