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Added some asserts and a check for a null pointer dereference. (CVS 6337) 

FossilOrigin-Name: 6b0cabd017ed25530b2d918d2c069fcbdd60a3f6
This commit is contained in:
shane 2009-03-05 04:23:47 +00:00
parent be21779385
commit e34c647ed0
4 changed files with 13 additions and 12 deletions
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14
manifest
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@ -1,5 +1,5 @@
C Corrected\stypos\sand\smisspellings.\sTicket\s#3702.\s(CVS\s6336)
D 2009-03-05T04:20:32
C Added\ssome\sasserts\sand\sa\scheck\sfor\sa\snull\spointer\sdereference.\s(CVS\s6337)
D 2009-03-05T04:23:47
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in d64baddbf55cdf33ff030e14da837324711a4ef7
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -152,7 +152,7 @@ F src/pragma.c 22ed04836aab8ce134c53be1ca896f3ad20fabdb
F src/prepare.c 1a2d40c0c5fb9f244cf5e3aacc33abcc1e7b095a
F src/printf.c 9866a9a9c4a90f6d4147407f373df3fd5d5f9b6f
F src/random.c 676b9d7ac820fe81e6fb2394ac8c10cff7f38628
F src/resolve.c ac4f914b32f9d76fd7ad29c4686105216e8d7995
F src/resolve.c 094e44450371fb27869eb8bf679aacbe51fdc56d
F src/rowset.c ba9375f37053d422dd76965a9c370a13b6e1aac4
F src/select.c 4d0b77fd76ff80f09a798ee98953e344c9de8fbb
F src/shell.c 0e2ebb9fa51ff56c9f0f19b80c3df7114d887c15
@ -202,7 +202,7 @@ F src/vacuum.c 4929a585ef0fb1dfaf46302f8a9c4aa30c2d9cf5
F src/vdbe.c a193ab2ce10ccb70825615870c5b4413dc3be636
F src/vdbe.h d70a68bee196ab228914a3902c79dbd24342a0f2
F src/vdbeInt.h d12bc259b34d3d610ebf05d648eb6346d48478c3
F src/vdbeapi.c f94fe2eb6f48687e918f0df7eed1409cff9dcf58
F src/vdbeapi.c ffd5d8b493590da6e09fd54b1bea1a9d38247f11
F src/vdbeaux.c cf84955182b48cd8c65c52c143e150bb4a71f2da
F src/vdbeblob.c 2852bae14c87129835938db58a77c3121e3ae962
F src/vdbemem.c 543a79d722734d2f8b7ad70f08218c30bcc5bbf5
@ -703,7 +703,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
P 5477833ec7f707ea9937d3fd6a6d8ab49f2016f1
R 6145932767ad25fba32edb32ce6c351d
P 6404afa0c515a6536fc2e878d4fb451e4dc06942
R cb451a376a875ee944efaf55ae11f3de
U shane
Z 5a32f5f03ed8b8936f6180f10e07dd81
Z d69fdde0ff0618397c68c7c25c50fbef

2
manifest.uuid
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@ -1 +1 @@
6404afa0c515a6536fc2e878d4fb451e4dc06942
6b0cabd017ed25530b2d918d2c069fcbdd60a3f6

3
src/resolve.c
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@ -14,7 +14,7 @@
** resolve all identifiers by associating them with a particular
** table and column.
**
** $Id: resolve.c,v 1.19 2009/03/02 01:22:40 drh Exp $
** $Id: resolve.c,v 1.20 2009/03/05 04:23:47 shane Exp $
*/
#include "sqliteInt.h"
#include <stdlib.h>
@ -130,6 +130,7 @@ static int lookupName(
NameContext *pTopNC = pNC; /* First namecontext in the list */
Schema *pSchema = 0; /* Schema of the expression */
assert( pNC ); /* the name context cannot be NULL. */
assert( pColumnToken && pColumnToken->z ); /* The Z in X.Y.Z cannot be NULL */
/* Dequote and zero-terminate the names */

6
src/vdbeapi.c
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@ -13,7 +13,7 @@
** This file contains code use to implement APIs that are part of the
** VDBE.
**
** $Id: vdbeapi.c,v 1.152 2009/02/19 14:39:25 danielk1977 Exp $
** $Id: vdbeapi.c,v 1.153 2009/03/05 04:23:47 shane Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
@ -710,7 +710,7 @@ failed:
** context.
*/
int sqlite3_aggregate_count(sqlite3_context *p){
assert( p && p->pFunc && p->pFunc->xStep );
assert( p && p->pMem && p->pFunc && p->pFunc->xStep );
return p->pMem->n;
}
#endif
@ -753,7 +753,7 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){
}else{
/* ((double)0) In case of SQLITE_OMIT_FLOATING_POINT... */
static const Mem nullMem = {{0}, (double)0, 0, "", 0, MEM_Null, SQLITE_NULL, 0, 0, 0 };
if( pVm->db ){
if( pVm && pVm->db ){
sqlite3_mutex_enter(pVm->db->mutex);
sqlite3Error(pVm->db, SQLITE_RANGE, 0);
}