Clean up memory leaks and uninitialized variables detected by valgrind.

Identify all tests where we deliberately derefence freed memory by adding
a "-misuse" tag. (CVS 3550)

FossilOrigin-Name: 70a862702d6dfcfe73bdeef8f0502c6c50e32a3a

manifest

@@ -1,5 +1,5 @@
-C Additional\schanges\sin\sthe\spager\sand\sos\sinterface\slayers\sto\sfix\sproblems\sthat\nmight\sbe\scontributing\sto\srecently\sobserved\sdatabase\scorruption.\s(CVS\s3549)
+C Clean\sup\smemory\sleaks\sand\suninitialized\svariables\sdetected\sby\svalgrind.\nIdentify\sall\stests\swhere\swe\sdeliberately\sderefence\sfreed\smemory\sby\sadding\na\s"-misuse"\stag.\s(CVS\s3550)
-D 2007-01-03T23:36:22
+D 2007-01-03T23:37:28
 F Makefile.in 63a71177ed4355c829229affe11167bd28c85884
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -100,14 +100,14 @@ F src/sqlite3ext.h 2c2156cc32a158e2b7bd9042d42accf94bff2e40
 F src/sqliteInt.h 90dad3c0ba7a5151c48361748ccdada9ff2eff78
 F src/table.c 6d0da66dde26ee75614ed8f584a1996467088d06
 F src/tclsqlite.c d344c7f394d6f055ce3abfe0049b0480c5e34e56
-F src/test1.c 19786ff3274635b6eac27a89f842416f388f3654
+F src/test1.c 1194cd78dbc5180e0c1a44e6d7eb27577bb9122e
 F src/test2.c ca74a1d8aeb7d9606e8f6b762c5daf85c1a3f92b
-F src/test3.c 85135c09560c48bdb0a23c9b890ab405486b8ec9
+F src/test3.c fa0e85ddd1784f2dda5861a2cb4e7d27d1c932c1
 F src/test4.c 8b784cd82de158a2317cb4ac4bc86f91ad315e25
 F src/test5.c 7162f8526affb771c4ed256826eee7bb9eca265f
 F src/test6.c 60a02961ceb7b3edc25f5dc5c1ac2556622a76de
 F src/test7.c 03fa8d787f6aebc6d1f72504d52f33013ad2c8e3
-F src/test8.c 48b7ac78ca3c93210b7355da94325baa901ecfeb
+F src/test8.c 628ec89f9fbf3bfb9c58a503d845a0719595d0ad
 F src/test_async.c e3deaedd4d86a56391b81808fde9e44fbd92f1d3
 F src/test_autoext.c 855157d97aa28cf84233847548bfacda21807436
 F src/test_loadext.c 22065d601a18878e5542191001f0eaa5d77c0ed8
@@ -120,7 +120,7 @@ F src/trigger.c 8c55d31876013ed4e97ee7ce24478fbe00db49bb
 F src/update.c 951f95ef044cf6d28557c48dc35cb0711a0b9129
 F src/utf.c 67ecb1032bc0b42c105e88d65ef9d9f626eb0e1f
 F src/util.c 91d4cb189476906639ae611927d939691d1365f6
-F src/vacuum.c b620ffff5a84af88b970894a92bb330bd2b9fc45
+F src/vacuum.c b4569b08aaa5afb141af3f76d0315745db4e9e4b
 F src/vdbe.c 15060804371ab78d44a131061ae85c4c66dfff7c
 F src/vdbe.h 9720cae673359dc2bdcb106285ecf686b7d3ef24
 F src/vdbeInt.h 1ca07f2d7446c90230346aed7fbf990c032460bc
@@ -158,7 +158,7 @@ F test/bigrow.test f0aeb7573dcb8caaafea76454be3ade29b7fc747
 F test/bind.test 941a424e7722dd8994c2d503b28d00e6a8f87f23
 F test/bindxfer.test b76bfb7df68bb0b238039f4543a84e9612291b54
 F test/blob.test 28c3b25150684ee3d108bb78cfb67a472deef2f0
-F test/btree.test 099978c3b9f0a203f4805d2bb8fdb042d5cb8ffc
+F test/btree.test 5902dd2dc3aff942726b32e1d437bc8227b6c3c5
 F test/btree2.test 4b56a2a4a4f84d68c77aef271223a713bf5ebafc
 F test/btree4.test 3797b4305694c7af6828675b0f4b1424b8ca30e4
 F test/btree5.test 8e5ff32c02e685d36516c6499add9375fe1377f2
@@ -166,8 +166,8 @@ F test/btree6.test a5ede6bfbbb2ec8b27e62813612c0f28e8f3e027
 F test/btree7.test a6d3b842db22af97dd14b989e90a2fd96066b72f
 F test/btree8.test fadc112bcbd6a0c622d34c813fc8a648eacf8804
 F test/busy.test 0271c854738e23ad76e10d4096a698e5af29d211
-F test/capi2.test cb478885b8b1a6a9f703a9da1c8d7d101c0970d6
+F test/capi2.test 7ecc9b342cc9ec27b53bbf95724cf2e5874fd496
-F test/capi3.test 5f54824e8356ad25ee40a101b36452e74d68a945
+F test/capi3.test 4063c4be79fb00704154a1e459a38364de9162a9
 F test/capi3b.test 5f0bc94b104e11086b1103b20277e1910f59c7f4
 F test/capi3c.test d45ecc2e06879967a6a0786dff1caa2195f08ac1
 F test/cast.test f88e7b6946e9a467cf4bb142d92bb65a83747fc2
@@ -179,7 +179,7 @@ F test/collate4.test daf498e294dcd596b961d425c3f2dda117e4717e
 F test/collate5.test 8fb4e7e0241839356bd8710f437c32efb47bfff8
 F test/collate6.test 6c9470d1606ee3e564675b229653e320c49ec638
 F test/colmeta.test 6505c73ab58796afcb7c89ba9f429d573fbc6e53
-F test/conflict.test 16533a92675f9752c25596093a4d549af7fc3d34
+F test/conflict.test 8a59399f61a14296a9bfed02e0570590a8a79cba
 F test/corrupt.test 18c7a995b1af76a8c8600b996257f2c7b7bff083
 F test/corrupt2.test 88342570828f2b8cbbd8369eff3891f5c0bdd5ba
 F test/crash.test 5f5f155393c5685b3842fef79b6fbafa55197d75
@@ -226,7 +226,7 @@ F test/insert2.test 5a20e1ace5fa0800b58d28284212290189b49aed
 F test/insert3.test 09a532d5b6f3a788d91be0d4d368462f522685d1
 F test/interrupt.test c38b7f7c17914f0cd6a119beed5d03bc3f47f9eb
 F test/intpkey.test af4fd826c4784ec5c93b444de07adea0254d0d30
-F test/ioerr.test 6f67d9328a3909dc43b1f66864f7fbc7fd399812
+F test/ioerr.test 58fb371922c4c220e4794397c17e32465cacc6de
 F test/join.test af0443185378b64878750aa1cf4b83c216f246b4
 F test/join2.test f2171c265e57ee298a27e57e7051d22962f9f324
 F test/join3.test 6f0c774ff1ba0489e6c88a3e77b9d3528fb4fda0
@@ -258,7 +258,7 @@ F test/misc1.test 27a6ad11ba6e4b73aeee650ab68053ad7dfd0433
 F test/misc2.test 0b45deedcfd6ba857ea2f377c5669d3501a535c7
 F test/misc3.test 7bd937e2c62bcc6be71939faf068d506467b1e03
 F test/misc4.test b043a05dea037cca5989f3ae09552fa16119bc80
-F test/misc5.test 83bceca3d38ed10ced00271e02b26b24795def83
+F test/misc5.test c7d2d2a5a20dc37d3605a8067f0df5af2240122e
 F test/misc6.test 3de55ec5cadf466ada587173faa5d6a4790a8bb7
 F test/misuse.test 30b3a458e5a70c31e74c291937b6c82204c59f33
 F test/notnull.test 44d600f916b770def8b095a9962dbe3be5a70d82
@@ -423,7 +423,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P 6806b9ecb5e3b90e793c5862404e76485df33b25
+P a593d5743eab12c0f93a7bc436f0d69dfab0c387
-R 5eb75b3bfe211ed1d7c750440df7692b
+R 908ed5b0eff5f1c974f45bd56e3c693e
 U drh
-Z bcb83f017e9e848c1a261f1dbdf86d77
+Z cb8e6cfd19833bef1e1d27957c41fff4

manifest.uuid

@@ -1 +1 @@
-a593d5743eab12c0f93a7bc436f0d69dfab0c387
+70a862702d6dfcfe73bdeef8f0502c6c50e32a3a

src/test1.c

@@ -13,7 +13,7 @@
 ** is not included in the SQLite library.  It is used for automated
 ** testing of the SQLite library.
 **
-** $Id: test1.c,v 1.225 2006/11/23 09:39:16 drh Exp $
+** $Id: test1.c,v 1.226 2007/01/03 23:37:28 drh Exp $
 */
 #include "sqliteInt.h"
 #include "tcl.h"
@@ -1415,7 +1415,7 @@ static int test_finalize(
 ){
   sqlite3_stmt *pStmt;
   int rc;
-  sqlite3 *db;
+  sqlite3 *db = 0;
 
   if( objc!=2 ){
     Tcl_AppendResult(interp, "wrong # args: should be \"",

src/test3.c

@@ -13,7 +13,7 @@
 ** is not included in the SQLite library.  It is used for automated
 ** testing of the SQLite library.
 **
-** $Id: test3.c,v 1.67 2006/08/13 18:39:26 drh Exp $
+** $Id: test3.c,v 1.68 2007/01/03 23:37:28 drh Exp $
 */
 #include "sqliteInt.h"
 #include "pager.h"
@@ -1051,6 +1051,7 @@ static int btree_data(
   rc = sqlite3BtreeData(pCur, 0, n, zBuf);
   if( rc ){
     Tcl_AppendResult(interp, errorName(rc), 0);
+    free(zBuf);
     return TCL_ERROR;
   }
   zBuf[n] = 0;

src/test8.c

@@ -13,7 +13,7 @@
 ** is not included in the SQLite library.  It is used for automated
 ** testing of the SQLite library.
 **
-** $Id: test8.c,v 1.43 2006/10/08 18:56:57 drh Exp $
+** $Id: test8.c,v 1.44 2007/01/03 23:37:29 drh Exp $
 */
 #include "sqliteInt.h"
 #include "tcl.h"
@@ -639,6 +639,7 @@ static int echoBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
   */
   zQuery = sqlite3_mprintf("SELECT count(*) FROM %Q", pVtab->zTableName);
   rc = sqlite3_prepare(pVtab->db, zQuery, -1, &pStmt, 0);
+  sqlite3_free(zQuery);
   if( rc!=SQLITE_OK ){
     return rc;
   }

src/vacuum.c

@@ -14,7 +14,7 @@
 ** Most of the code in this file may be omitted by defining the
 ** SQLITE_OMIT_VACUUM macro.
 **
-** $Id: vacuum.c,v 1.65 2006/11/18 20:20:22 drh Exp $
+** $Id: vacuum.c,v 1.66 2007/01/03 23:37:29 drh Exp $
 */
 #include "sqliteInt.h"
 #include "vdbeInt.h"
@@ -89,6 +89,7 @@ int sqlite3RunVacuum(char **pzErrMsg, sqlite3 *db){
   saved_flags = db->flags;
   db->flags |= SQLITE_WriteSchema | SQLITE_IgnoreChecks;
 
+  sqlite3OsTempFileName(zTemp);
   if( !db->autoCommit ){
     sqlite3SetString(pzErrMsg, "cannot VACUUM from within a transaction", 
        (char*)0);
@@ -96,7 +97,6 @@ int sqlite3RunVacuum(char **pzErrMsg, sqlite3 *db){
     goto end_of_vacuum;
   }
   pMain = db->aDb[0].pBt;
-  sqlite3OsTempFileName(zTemp);
 
   /* Attach the temporary database as 'vacuum_db'. The synchronous pragma
   ** can be set to 'off' for this file, as it is not recovered if a crash

test/btree.test

@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script is btree database backend
 #
-# $Id: btree.test,v 1.37 2006/08/16 16:42:48 drh Exp $
+# $Id: btree.test,v 1.38 2007/01/03 23:37:29 drh Exp $
 
 
 set testdir [file dirname $argv0]
@@ -548,7 +548,6 @@ do_test btree-8.1 {
 } {}
 btree_page_dump $::b1 1
 btree_page_dump $::b1 2
-btree_page_dump $::b1 3
 do_test btree-8.1.1 {
   lindex [btree_pager_stats $::b1] 1
 } {1}

test/capi2.test

@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script testing the callback-free C/C++ API.
 #
-# $Id: capi2.test,v 1.32 2006/08/16 16:42:48 drh Exp $
+# $Id: capi2.test,v 1.33 2007/01/03 23:37:29 drh Exp $
 #
 
 set testdir [file dirname $argv0]
@@ -71,7 +71,7 @@ do_test capi2-1.6 {
 do_test capi2-1.7 {
   list [sqlite3_column_count $VM] [get_row_values $VM] [get_column_names $VM]
 } {2 {} {name rowid text INTEGER}}
-do_test capi2-1.8 {
+do_test capi2-1.8-misuse {
   sqlite3_step $VM
 } {SQLITE_MISUSE}
 
@@ -208,7 +208,7 @@ do_test capi2-3.11 {
   sqlite3_finalize $VM
 } {SQLITE_OK}
 do_test capi2-3.11b {db changes} {1}
-do_test capi2-3.12 {
+do_test capi2-3.12-misuse {
   sqlite3_finalize $VM
 } {SQLITE_MISUSE}
 do_test capi2-3.13 {

test/capi3.test

@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script testing the callback-free C/C++ API.
 #
-# $Id: capi3.test,v 1.46 2006/08/16 16:42:48 drh Exp $
+# $Id: capi3.test,v 1.47 2007/01/03 23:37:29 drh Exp $
 #
 
 set testdir [file dirname $argv0]
@@ -152,14 +152,14 @@ do_test capi3-3.4 {
 do_test capi3-3.5 {
   sqlite3_close $db2
 } {SQLITE_OK}
-do_test capi3-3.6.1 {
+do_test capi3-3.6.1-misuse {
   sqlite3_close $db2
 } {SQLITE_MISUSE}
-do_test capi3-3.6.2 {
+do_test capi3-3.6.2-misuse {
   sqlite3_errmsg $db2
 } {library routine called out of sequence}
 ifcapable {utf16} {
-  do_test capi3-3.6.3 {
+  do_test capi3-3.6.3-misuse {
     utf8 [sqlite3_errmsg16 $db2]
   } {library routine called out of sequence}
 }
@@ -612,7 +612,7 @@ check_data $STMT capi3-6.3 {INTEGER} {1} {1.0} {1}
 do_test capi3-6.3 {
   sqlite3_finalize $STMT
 } {SQLITE_OK}
-do_test capi3-6.4 {
+do_test capi3-6.4-misuse {
   db cache flush
   sqlite3_close $DB
 } {SQLITE_OK}
@@ -991,7 +991,7 @@ if {[llength [info commands sqlite3_sleep]]>0} {
 
 # Ticket #1219:  Make sure binding APIs can handle a NULL pointer.
 #
-do_test capi3-14.1 {
+do_test capi3-14.1-misuse {
   set rc [catch {sqlite3_bind_text 0 1 hello 5} msg]
   lappend rc $msg
 } {1 SQLITE_MISUSE}

test/conflict.test

@@ -13,7 +13,7 @@
 # This file implements tests for the conflict resolution extension
 # to SQLite.
 #
-# $Id: conflict.test,v 1.27 2006/01/17 09:35:02 danielk1977 Exp $
+# $Id: conflict.test,v 1.28 2007/01/03 23:37:29 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -309,6 +309,7 @@ foreach {i conf1 cmd t0 t1 t2 t3} {
     if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
     execsql {pragma temp_store=file}
     set ::sqlite_opentemp_count 0
+if {$i==2} btree_breakpoint
     set r0 [catch {execsql [subst {
       DROP TABLE t1;
       CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);

test/ioerr.test

@@ -15,7 +15,7 @@
 # The tests in this file use special facilities that are only
 # available in the SQLite test fixture.
 #
-# $Id: ioerr.test,v 1.27 2006/09/15 07:28:51 drh Exp $
+# $Id: ioerr.test,v 1.28 2007/01/03 23:37:29 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -165,6 +165,7 @@ ifcapable crashtest {
 # These tests can't be run on windows because the windows version of 
 # SQLite holds a mandatory exclusive lock on journal files it has open.
 #
+btree_breakpoint
 if {$tcl_platform(platform)!="windows"} {
   do_ioerr_test ioerr-7 -tclprep {
     db close

test/misc5.test

@@ -13,7 +13,7 @@
 # This file implements tests for miscellanous features that were
 # left out of other test files.
 #
-# $Id: misc5.test,v 1.15 2006/08/12 12:33:15 drh Exp $
+# $Id: misc5.test,v 1.16 2007/01/03 23:37:29 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -573,7 +573,7 @@ do_test misc5-7.1 {
 
 # Check the MISUSE return from sqlitee3_busy_timeout
 #
-do_test misc5-8.1 {
+do_test misc5-8.1-misuse {
   set DB [sqlite3_connection_pointer db]
   db close
   sqlite3_busy_timeout $DB 1000