Fixed errors descovered by valgrind 2.4

Added suppression file for some valgrind warnings that are not real errors


mysql-test/mysql-test-run.sh:
  Added suppression of some valgrind warnings that are not real errors
mysql-test/r/heap.result:
  Cleanup old tests and added new tests
mysql-test/t/heap.test:
  Cleanup old tests and added new tests
mysys/default.c:
  Removed duplicate fn_format()
scripts/make_binary_distribution.sh:
  Added valgrind suppress file
sql/ha_federated.cc:
  Ensure that 'socket' is initialized properly
sql/ha_heap.cc:
  Ensure that with_auto_increment is initialized properly
sql/mysqld.cc:
  Ensure that create_time is initialized for cached threads
sql/sql_parse.cc:
  Indentation fix
strings/decimal.c:
  Fixed wrong tests

mysql-test/mysql-test-run.sh

@@ -418,7 +418,7 @@ while test $# -gt 0; do
       fi
       # >=2.1.2 requires the --tool option, some versions write to stdout, some to stderr
       valgrind --help 2>&1 | grep "\-\-tool" > /dev/null && VALGRIND="$VALGRIND --tool=memcheck"
-      VALGRIND="$VALGRIND --alignment=8 --leak-check=yes --num-callers=16"
+      VALGRIND="$VALGRIND --alignment=8 --leak-check=yes --num-callers=16 --suppressions=$CWD/valgrind.supp"
       EXTRA_MASTER_MYSQLD_OPT="$EXTRA_MASTER_MYSQLD_OPT --skip-safemalloc --skip-bdb"
       EXTRA_SLAVE_MYSQLD_OPT="$EXTRA_SLAVE_MYSQLD_OPT --skip-safemalloc --skip-bdb"
       SLEEP_TIME_AFTER_RESTART=10

mysql-test/r/heap.result

@@ -667,14 +667,7 @@ drop table t1;
 set storage_engine=MyISAM;
 create table t1 (a bigint unsigned auto_increment primary key, b int,
 key (b, a)) engine=heap;
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
+insert t1 (b) values (1),(1),(1),(1),(1),(1),(1),(1);
 select * from t1;
 a	b
 1	1
@@ -688,14 +681,7 @@ a	b
 drop table t1;
 create table t1 (a int not null, b int not null auto_increment,
 primary key(a, b), key(b)) engine=heap;
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
+insert t1 (a) values (1),(1),(1),(1),(1),(1),(1),(1);
 select * from t1;
 a	b
 1	1
@@ -707,3 +693,6 @@ a	b
 1	7
 1	8
 drop table t1;
+create table t1 (a int not null, b int not null auto_increment,
+primary key(a, b)) engine=heap;
+ERROR 42000: Incorrect table definition; there can be only one auto column and it must be defined as a key

mysql-test/t/heap.test

@@ -413,25 +413,16 @@ eval set storage_engine=$default;
 
 create table t1 (a bigint unsigned auto_increment primary key, b int,
   key (b, a)) engine=heap;
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-insert t1 (b) values (1);
-select * from t1;                                                               
+insert t1 (b) values (1),(1),(1),(1),(1),(1),(1),(1);
+select * from t1;
 drop table t1;
+
 create table t1 (a int not null, b int not null auto_increment,
   primary key(a, b), key(b)) engine=heap;
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-insert t1 (a) values (1);
-select * from t1;                                                               
+insert t1 (a) values (1),(1),(1),(1),(1),(1),(1),(1);
+select * from t1;
 drop table t1;
+
+--error 1075
+create table t1 (a int not null, b int not null auto_increment,
+  primary key(a, b)) engine=heap;

mysql-test/valgrind.supp

+#
+# Suppress some common (not fatal) errors in system libraries found by valgrind
+#
+
+#
+# Pthread doesn't free all thread specific memory before program exists
+#
+{
+   pthread allocate_tls memory loss
+   Memcheck:Leak
+   fun:calloc
+   fun:_dl_allocate_tls
+   fun:allocate_stack
+   fun:pthread_create@@GLIBC_2.1
+}
+
+{
+   pthread allocate_dtv memory loss
+   Memcheck:Leak
+   fun:calloc
+   fun:allocate_dtv
+   fun:_dl_allocate_tls_storage
+   fun:__GI__dl_allocate_tls
+   fun:pthread_create
+}
+
+{
+   pthread memalign memory loss
+   Memcheck:Leak
+   fun:memalign
+   fun:_dl_allocate_tls_storage
+   fun:__GI__dl_allocate_tls
+   fun:pthread_create
+}
+
+{
+   pthread errno
+   Memcheck:Leak
+   fun:calloc
+   fun:_dlerror_run
+   fun:dlsym
+   fun:__errno_location
+}
+
+
+#
+# Warnings in libz becasue it works with aligned memory(?)
+#
+
+{
+   libz tr_flush_block
+   Memcheck:Cond
+   fun:_tr_flush_block
+   fun:deflate_slow
+   fun:deflate
+   fun:do_flush
+   fun:gzclose
+}
+
+{
+   libz tr_flush_block2
+   Memcheck:Cond
+   fun:_tr_flush_block
+   fun:deflate_slow
+   fun:deflate
+   fun:compress2
+}
+
+{
+   libz longest_match
+   Memcheck:Cond
+   fun:longest_match
+   fun:deflate_slow
+   fun:deflate
+   fun:do_flush
+}
+
+{
+   libz longest_match2
+   Memcheck:Cond
+   fun:longest_match
+   fun:deflate_slow
+   fun:deflate
+   fun:compress2
+}
+
+{
+   libz deflate
+   Memcheck:Cond
+   obj:/usr/lib/libz.so.*
+   obj:/usr/lib/libz.so.*
+   fun:deflate
+   fun:compress2
+}

mysys/default.c

@@ -477,13 +477,13 @@ static int search_default_file_with_ext(Process_option_func opt_handler,
     if ((stat_info.st_mode & S_IWOTH) &&
 	(stat_info.st_mode & S_IFMT) == S_IFREG)
     {
-      fprintf(stderr, "warning: World-writable config file %s is ignored\n",
+      fprintf(stderr, "Warning: World-writable config file '%s' is ignored\n",
               name);
       return 0;
     }
   }
 #endif
-  if (!(fp= my_fopen(fn_format(name, name, "", "", 4), O_RDONLY, MYF(0))))
+  if (!(fp= my_fopen(name, O_RDONLY, MYF(0))))
     return 0;					/* Ignore wrong files */
 
   while (fgets(buff, sizeof(buff) - 1, fp))

scripts/make_binary_distribution.sh

@@ -207,6 +207,7 @@ rm -f $MYSQL_SHARE/Makefile* $MYSQL_SHARE/*/*.OLD
 
 for i in mysql-test/mysql-test-run mysql-test/install_test_db \
          mysql-test/mysql-test-run.pl mysql-test/README \
+	 mysql-test/valgrind.supp \
          netware/mysql_test_run.nlm netware/install_test_db.ncf
 do
   if [ -f $i ]

sql/ha_federated.cc

@@ -548,12 +548,12 @@ static int check_foreign_data_source(FEDERATED_SHARE *share)
 static int parse_url(FEDERATED_SHARE *share, TABLE *table,
                      uint table_create_flag)
 {
-  DBUG_ENTER("ha_federated::parse_url");
-
-  share->port= 0;
   uint error_num= (table_create_flag ? ER_CANT_CREATE_TABLE :
                    ER_CONNECT_TO_MASTER);
+  DBUG_ENTER("ha_federated::parse_url");
 
+  share->port= 0;
+  share->socket= 0;
   share->scheme= my_strdup(table->s->comment, MYF(0));
 
   if ((share->username= strstr(share->scheme, "://")))

sql/ha_heap.cc

@@ -548,6 +548,7 @@ int ha_heap::create(const char *name, TABLE *table_arg,
   hp_create_info.auto_increment= (create_info->auto_increment_value ?
 				  create_info->auto_increment_value - 1 : 0);
   hp_create_info.max_table_size=current_thd->variables.max_heap_table_size;
+  hp_create_info.with_auto_increment= found_real_auto_increment;
   max_rows = (ha_rows) (hp_create_info.max_table_size / mem_per_row);
   error= heap_create(fn_format(buff,name,"","",4+2),
 		     keys, keydef, share->reclength,

sql/mysqld.cc

@@ -1519,6 +1519,7 @@ void end_thread(THD *thd, bool put_in_cache)
       thd=thread_cache.get();
       thd->real_id=pthread_self();
       (void) thd->store_globals();
+      thd->thr_create_time= time(NULL);
       threads.append(thd);
       pthread_mutex_unlock(&LOCK_thread_count);
       DBUG_VOID_RETURN;
@@ -5180,7 +5181,7 @@ log and this option does nothing anymore.",
    (gptr*) &dflt_key_cache_var.param_buff_size,
    (gptr*) 0,
    0, (GET_ULL | GET_ASK_ADDR),
-   REQUIRED_ARG, KEY_CACHE_SIZE, MALLOC_OVERHEAD, UINT_MAX32, MALLOC_OVERHEAD,
+   REQUIRED_ARG, KEY_CACHE_SIZE, MALLOC_OVERHEAD, ~(ulong) 0, MALLOC_OVERHEAD,
    IO_SIZE, 0},
   {"key_cache_age_threshold", OPT_KEY_CACHE_AGE_THRESHOLD,
    "This characterizes the number of hits a hot block has to be untouched until it is considered aged enough to be downgraded to a warm block. This specifies the percentage ratio of that number of hits to the total number of blocks in key cache",

sql/sql_parse.cc

@@ -1103,7 +1103,8 @@ pthread_handler_decl(handle_one_connection,arg)
     thd->proc_info=0;
     thd->set_time();
     thd->init_for_queries();
-    while (!net->error && net->vio != 0 && !(thd->killed == THD::KILL_CONNECTION))
+    while (!net->error && net->vio != 0 &&
+           !(thd->killed == THD::KILL_CONNECTION))
     {
       net->no_send_error= 0;
       if (do_command(thd))

strings/decimal.c

@@ -806,7 +806,7 @@ internal_str2dec(const char *from, decimal_t *to, char **end, my_bool fixed)
   if (s < end_of_string && *s=='.')
   {
     endp= s+1;
-    while (s < end_of_string && my_isdigit(&my_charset_latin1, *endp))
+    while (endp < end_of_string && my_isdigit(&my_charset_latin1, *endp))
       endp++;
     frac= endp - s - 1;
   }