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Remove the nAlloc field from the ExprList object.

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FossilOrigin-Name: 5963de303a9106b446a9423aa838bfdf6bc1e7f3
This commit is contained in:
drh
2012-02-02 01:58:08 +00:00
parent c35f3d5027
commit d872bb180c
4 changed files with 19 additions and 21 deletions
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19
src/expr.c
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@@ -856,8 +856,9 @@ ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags){
pNew = sqlite3DbMallocRaw(db, sizeof(*pNew) );
if( pNew==0 ) return 0;
pNew->iECursor = 0;
pNew->nExpr = pNew->nAlloc = p->nExpr;
pNew->a = pItem = sqlite3DbMallocRaw(db, p->nExpr*sizeof(p->a[0]) );
pNew->nExpr = i = p->nExpr;
if( (flags & EXPRDUP_REDUCE)==0 ) for(i=1; i<p->nExpr; i+=i){}
pNew->a = pItem = sqlite3DbMallocRaw(db, i*sizeof(p->a[0]) );
if( pItem==0 ){
sqlite3DbFree(db, pNew);
return 0;
@@ -992,17 +993,16 @@ ExprList *sqlite3ExprListAppend(
if( pList==0 ){
goto no_mem;
}
assert( pList->nAlloc==0 );
}
if( pList->nAlloc<=pList->nExpr ){
pList->a = sqlite3DbMallocRaw(db, sizeof(pList->a[0]));
if( pList->a==0 ) goto no_mem;
}else if( (pList->nExpr & (pList->nExpr-1))==0 ){
struct ExprList_item *a;
int n = pList->nAlloc*2 + 4;
a = sqlite3DbRealloc(db, pList->a, n*sizeof(pList->a[0]));
assert( pList->nExpr>0 );
a = sqlite3DbRealloc(db, pList->a, pList->nExpr*2*sizeof(pList->a[0]));
if( a==0 ){
goto no_mem;
}
pList->a = a;
pList->nAlloc = sqlite3DbMallocSize(db, a)/sizeof(a[0]);
}
assert( pList->a!=0 );
if( 1 ){
@@ -1093,8 +1093,7 @@ void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){
int i;
struct ExprList_item *pItem;
if( pList==0 ) return;
assert( pList->a!=0 || (pList->nExpr==0 && pList->nAlloc==0) );
assert( pList->nExpr<=pList->nAlloc );
assert( pList->a!=0 || pList->nExpr==0 );
for(pItem=pList->a, i=0; i<pList->nExpr; i++, pItem++){
sqlite3ExprDelete(db, pItem->pExpr);
sqlite3DbFree(db, pItem->zName);