Fix three variable initialization problems found by valgrind. (CVS 6612)

FossilOrigin-Name: 37428435978027f6baffa552306dd5dc29ce5cd5

manifest

@@ -1,5 +1,5 @@
-C updated\svxworks\smakefile\sfor\s3.6.14\srelease\s(CVS\s6611)
-D 2009-05-06T15:24:04
+C Fix\sthree\svariable\sinitialization\sproblems\sfound\sby\svalgrind.\s(CVS\s6612)
+D 2009-05-06T18:42:21
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -109,7 +109,7 @@ F src/btmutex.c 9b899c0d8df3bd68f527b0afe03088321b696d3c
 F src/btree.c a601a89bcf1fc614babbde0afedbfc83e18e3c02
 F src/btree.h 58d876d3ed944a8f4f1fd0e67024b385243fc9dd
 F src/btreeInt.h df64030d632f8c8ac217ed52e8b6b3eacacb33a5
-F src/build.c 8e83444d31975a732be9c393cdcbe51930a35638
+F src/build.c a8320b5fe742dcae98c8f7315b59d61e8e642a4d
 F src/callback.c c54a923b06a17a2f965e5c3a6f87a3a963209a4c
 F src/complete.c 5ad5c6cd4548211867c204c41a126d73a9fbcea0
 F src/date.c ab5f7137656652a48434d64f96bdcdc823bb23b3
@@ -198,7 +198,7 @@ F src/test_tclvar.c 9e42fa59d3d2f064b7ab8628e7ab2dc8a9fe93d4
 F src/test_thread.c b8a1ab7ca1a632f18e8a361880d5d65eeea08eac
 F src/test_wsd.c 3ae5101de6cbfda2720152ab659ea84079719241
 F src/tokenize.c 286ce8a4bffe5ec81ad893e6243684d8f8846ed9
-F src/trigger.c 448615bec40efcd6b3a9362a060f2e7067f25be5
+F src/trigger.c 5dcdcf5c719bfd1a58f98265d7c024b8c12e2dc1
 F src/update.c deb930324dd67b7ad98234e1258a0ebcdd1ca0f9
 F src/utf.c 9541d28f40441812c0b40f00334372a0542c00ff
 F src/util.c 40fb962de1b00a310de4acc87c6800173e35c25f
@@ -212,7 +212,7 @@ F src/vdbeblob.c e67757450ae8581a8b354d9d7e467e41502dfe38
 F src/vdbemem.c d8b985eeb88214941380372466a30ca410043a93
 F src/vtab.c 53355aa2381ec3ef2eaad25672cfd5877a02fe45
 F src/walker.c 7cdf63223c953d4343c6833e940f110281a378ee
-F src/where.c 6199249adebde89441e00da5fa256dd7ae005061
+F src/where.c 31b1c577c2a413e3e0f621069e2404f55de1ec8b
 F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
 F test/alias.test 4529fbc152f190268a15f9384a5651bbbabc9d87
 F test/all.test 14165b3e32715b700b5f0cbf8f6e3833dda0be45
@@ -728,7 +728,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P 4357e76d53f692cb7495fbde61b4b7580560f816
-R 7f6d232abc0e2ee18f7e13e4cb8b2a02
-U chw
-Z 380772f02108e949a1e4532819450406
+P 5d4bffaabbf6a809938f115de266b382183a0a96
+R cdcea386222148f35a5a3909380cf435
+U drh
+Z f14917d9041dd6537364a4829aeb56f2

manifest.uuid

@@ -1 +1 @@
-5d4bffaabbf6a809938f115de266b382183a0a96
+37428435978027f6baffa552306dd5dc29ce5cd5

src/build.c

@@ -22,7 +22,7 @@
 **     COMMIT
 **     ROLLBACK
 **
-** $Id: build.c,v 1.536 2009/05/04 11:42:30 danielk1977 Exp $
+** $Id: build.c,v 1.537 2009/05/06 18:42:21 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -2556,6 +2556,7 @@ void sqlite3CreateIndex(
   if( pList==0 ){
     nullId.z = (u8*)pTab->aCol[pTab->nCol-1].zName;
     nullId.n = sqlite3Strlen30((char*)nullId.z);
+    nullId.quoted = 0;
     pList = sqlite3ExprListAppend(pParse, 0, 0, &nullId);
     if( pList==0 ) goto exit_create_index;
     pList->a[0].sortOrder = (u8)sortOrder;

src/trigger.c

@@ -10,7 +10,7 @@
 *************************************************************************
 **
 **
-** $Id: trigger.c,v 1.137 2009/04/28 13:01:09 drh Exp $
+** $Id: trigger.c,v 1.138 2009/05/06 18:42:21 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -663,6 +663,7 @@ static SrcList *targetSrcList(
     assert( iDb<pParse->db->nDb );
     sDb.z = (u8*)pParse->db->aDb[iDb].zName;
     sDb.n = sqlite3Strlen30((char*)sDb.z);
+    sDb.quoted = 0;
     pSrc = sqlite3SrcListAppend(pParse->db, 0, &sDb, &pStep->target);
   } else {
     pSrc = sqlite3SrcListAppend(pParse->db, 0, &pStep->target, 0);

src/where.c

@@ -16,7 +16,7 @@
 ** so is applicable.  Because this module is responsible for selecting
 ** indices, you might also think of this module as the "query optimizer".
 **
-** $Id: where.c,v 1.393 2009/05/05 15:46:43 drh Exp $
+** $Id: where.c,v 1.394 2009/05/06 18:42:21 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -1754,6 +1754,7 @@ static void bestVirtualIndex(
   ** malloc in allocateIndexInfo() fails and this function returns leaving
   ** wsFlags in an uninitialized state, the caller may behave unpredictably.
   */
+  memset(pCost, 0, sizeof(*pCost));
   pCost->plan.wsFlags = WHERE_VIRTUALTABLE;
 
   /* If the sqlite3_index_info structure has not been previously