Merge mysql.com:/home/kostja/mysql/tmp_merge

into  mysql.com:/home/kostja/mysql/mysql-5.1-merge


client/mysqlbinlog.cc:
  Auto merged
client/mysqldump.c:
  Auto merged
include/my_base.h:
  Auto merged
libmysql/libmysql.c:
  Auto merged
sql/field.h:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/opt_range.h:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/slave.h:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_handler.cc:
  Auto merged
sql/sql_help.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_test.cc:
  Auto merged
sql-common/client.c:
  Auto merged
sql/table.cc:
  Auto merged
storage/myisam/mi_delete.c:
  Auto merged
storage/myisam/myisampack.c:
  Auto merged
storage/myisam/sort.c:
  Auto merged
mysys/my_bitmap.c:
  Manual merge
sql/field.cc:
  e
  Manual merge
sql/item.cc:
  Manual merge (new Field_bit_as_char constructor signature)
sql/item_func.cc:
  Manual merge: use local
sql/sql_insert.cc:
  Manual merge: add VOID() around bitmap_init

Docs/Makefile.am

@@ -45,22 +45,22 @@ CLEAN_FILES:		$(TXT_FILES)
 GT = $(srcdir)/Support/generate-text-files.pl
 
 ../INSTALL-SOURCE:	mysql.info $(GT)
-	perl -w $(GT) $< "installing-source" "windows-source-build" > $@
+	perl -w $(GT) mysql.info "installing-source" "windows-source-build" > $@
 
 ../INSTALL-WIN-SOURCE:	mysql.info $(GT)
-	perl -w $(GT) $< "windows-source-build" "post-installation" > $@
+	perl -w $(GT) mysql.info "windows-source-build" "post-installation" > $@
 
 # We put the description for the binary installation here so that
 # people who download source wont have to see it. It is moved up to
 # the toplevel by the script that makes the binary tar files.
 INSTALL-BINARY:	mysql.info $(GT)
-	perl -w $(GT) $< "installing-binary" "installing-source" > $@
+	perl -w $(GT) mysql.info "installing-binary" "installing-source" > $@
 
 ../EXCEPTIONS-CLIENT: mysql.info $(GT)
-	perl -w $(GT) $< "mysql-floss-license-exception" "function-index" > $@
+	perl -w $(GT) mysql.info "mysql-floss-license-exception" "function-index" > $@
 
 ../support-files/MacOSX/ReadMe.txt:	mysql.info $(GT)
-	perl -w $(GT) $< "mac-os-x-installation" "netware-installation" > $@
+	perl -w $(GT) mysql.info "mac-os-x-installation" "netware-installation" > $@
 
 # Don't update the files from bitkeeper
 %::SCCS/s.%

client/mysqladmin.cc

@@ -569,6 +569,7 @@ static int execute_commands(MYSQL *mysql,int argc, char **argv)
 	return -1;
       }
       mysql_close(mysql);	/* Close connection to avoid error messages */
+      argc=1;                   /* force SHUTDOWN to be the last command    */
       if (got_pidfile)
       {
 	if (opt_verbose)

client/mysqlbinlog.cc

@@ -1293,12 +1293,13 @@ at offset %lu ; this could be a log format error or read error",
       }
       else if (buf[4] == ROTATE_EVENT)
       {
+        Log_event *ev;
         my_b_seek(file, tmp_pos); /* seek back to event's start */
-        if (!Log_event::read_log_event(file, *description_event))
+        if (!(ev= Log_event::read_log_event(file, *description_event)))
           /* EOF can't be hit here normally, so it's a real error */
-          die("Could not read a Rotate_log_event event \
+          die("Could not read a Rotate_log_event event at offset %lu ;"
-at offset %lu ; this could be a log format error or read error",
+              " this could be a log format error or read error", tmp_pos);
-              tmp_pos);
+        delete ev;
       }
       else
         break;

client/mysqldump.c

@@ -1311,7 +1311,7 @@ static uint dump_routines_for_db(char *db)
   fprintf(sql_file, "DELIMITER ;\n");
 
   if (lock_tables)
-    mysql_query_with_error_report(sock, 0, "UNLOCK TABLES");
+    VOID(mysql_query_with_error_report(sock, 0, "UNLOCK TABLES"));
   DBUG_RETURN(0);
 }
 
@@ -2134,7 +2134,10 @@ static void dump_table(char *table, char *db)
     else
       res=mysql_store_result(sock);
     if (!res)
+    {
       DB_error(sock, "when retrieving data from server");
+      goto err;
+    }
     if (verbose)
       fprintf(stderr, "-- Retrieving rows...\n");
     if (mysql_num_fields(res) != num_fields)
@@ -2664,7 +2667,7 @@ static int dump_all_tables_in_db(char *database)
     check_io(md_result_file);
   }
   if (lock_tables)
-    mysql_query_with_error_report(sock, 0, "UNLOCK TABLES");
+    VOID(mysql_query_with_error_report(sock, 0, "UNLOCK TABLES"));
   return 0;
 } /* dump_all_tables_in_db */
 
@@ -2719,7 +2722,7 @@ static my_bool dump_all_views_in_db(char *database)
     check_io(md_result_file);
   }
   if (lock_tables)
-    mysql_query(sock,"UNLOCK TABLES");
+    VOID(mysql_query_with_error_report(sock, 0, "UNLOCK TABLES"));
   return 0;
 } /* dump_all_tables_in_db */
 
@@ -2878,7 +2881,7 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
     check_io(md_result_file);
   }
   if (lock_tables)
-    mysql_query_with_error_report(sock, 0, "UNLOCK TABLES");
+    VOID(mysql_query_with_error_report(sock, 0, "UNLOCK TABLES"));
   DBUG_RETURN(0);
 } /* dump_selected_tables */
 

cmd-line-utils/libedit/history.c

@@ -676,8 +676,8 @@ history_load(History *h, const char *fname)
 		(void) strunvis(ptr, line);
 		line[sz] = c;
 		if (HENTER(h, &ev, ptr) == -1) {
-			h_free((ptr_t)ptr);
+                  i = -1;
-			return -1;
+                  goto oomem;
 		}
 	}
 oomem:

include/my_base.h

@@ -426,7 +426,8 @@ enum ha_base_keytype {
 enum en_fieldtype {
   FIELD_LAST=-1,FIELD_NORMAL,FIELD_SKIP_ENDSPACE,FIELD_SKIP_PRESPACE,
   FIELD_SKIP_ZERO,FIELD_BLOB,FIELD_CONSTANT,FIELD_INTERVALL,FIELD_ZERO,
-  FIELD_VARCHAR,FIELD_CHECK
+  FIELD_VARCHAR,FIELD_CHECK,
+  FIELD_enum_val_count
 };
 
 enum data_file_type {

libmysql/libmysql.c

@@ -818,7 +818,7 @@ my_bool handle_local_infile(MYSQL *mysql, const char *net_filename)
   if ((*options->local_infile_init)(&li_ptr, net_filename,
     options->local_infile_userdata))
   {
-    my_net_write(net,"",0);		/* Server needs one packet */
+    VOID(my_net_write(net,"",0));               /* Server needs one packet */
     net_flush(net);
     strmov(net->sqlstate, unknown_sqlstate);
     net->last_errno= (*options->local_infile_error)(li_ptr,

mysys/default_modify.c

@@ -197,7 +197,7 @@ int modify_defaults_file(const char *file_location, const char *option,
       goto err;
   }
   if (my_fclose(cnf_file, MYF(MY_WME)))
-    goto err;
+    DBUG_RETURN(1);
 
   my_free(file_buffer, MYF(0));
   DBUG_RETURN(0);

mysys/mf_iocache2.c

@@ -91,7 +91,7 @@ void my_b_seek(IO_CACHE *info,my_off_t pos)
      b) see if there is a better way to make it work
   */
   if (info->type == SEQ_READ_APPEND)
-    flush_io_cache(info);
+    VOID(flush_io_cache(info));
 
   offset=(pos - info->pos_in_file);
 
@@ -119,7 +119,7 @@ void my_b_seek(IO_CACHE *info,my_off_t pos)
       info->write_pos = info->write_buffer + offset;
       DBUG_VOID_RETURN;
     }
-    flush_io_cache(info);
+    VOID(flush_io_cache(info));
     /* Correct buffer end so that we write in increments of IO_SIZE */
     info->write_end=(info->write_buffer+info->buffer_length-
 		     (pos & (IO_SIZE-1)));

mysys/my_bitmap.c

@@ -114,7 +114,7 @@ my_bool bitmap_init(MY_BITMAP *map, uint32 *buf, uint n_bits,
 #endif
     ;
     if (!(buf= (uint32*) my_malloc(size_in_bytes, MYF(MY_WME))))
-      return 1;
+      DBUG_RETURN(1);
   }
 #ifdef THREAD
   else

mysys/my_error.c

@@ -189,7 +189,10 @@ int my_error_register(const char **errmsgs, int first, int last)
 
   /* Error numbers must be unique. No overlapping is allowed. */
   if (*search_meh_pp && ((*search_meh_pp)->meh_first <= last))
+  {
+    my_free((gptr)meh_p, MYF(0));
     return 1;
+  }
 
   /* Insert header into the chain. */
   meh_p->meh_next= *search_meh_pp;

server-tools/instance-manager/parse.cc

@@ -107,7 +107,7 @@ Token shift_token(const char **text, uint *word_len)
 int get_text_id(const char **text, uint *word_len, const char **id)
 {
   get_word(text, word_len);
-  if (word_len == 0)
+  if (*word_len == 0)
     return 1;
   *id= *text;
   return 0;

sql-common/client.c

@@ -599,7 +599,7 @@ net_safe_read(MYSQL *mysql)
     DBUG_PRINT("error",("Wrong connection or packet. fd: %s  len: %d",
 			vio_description(net->vio),len));
 #ifdef MYSQL_SERVER
-    if (vio_was_interrupted(net->vio))
+    if (net->vio && vio_was_interrupted(net->vio))
       return (packet_error);
 #endif /*MYSQL_SERVER*/
     end_server(mysql);

sql/field.cc

@@ -1565,7 +1565,6 @@ Field *Field::new_key_field(MEM_ROOT *root, struct st_table *new_table,
 bool Field::quote_data(String *unquoted_string)
 {
   char escaped_string[IO_SIZE];
-  char *unquoted_string_buffer= (char *)(unquoted_string->ptr());
   DBUG_ENTER("Field::quote_data");
 
   if (!needs_quotes())
@@ -4545,8 +4544,6 @@ int Field_timestamp::store(const char *from,uint len,CHARSET_INFO *cs)
       error= 1;
     }
   }
-  if (error > 1)
-    error= 2;
 
 #ifdef WORDS_BIGENDIAN
   if (table->s->db_low_byte_first)
@@ -7113,7 +7110,7 @@ void Field_blob::get_key_image(char *buff, uint length, imagetype type)
     }
     get_ptr(&blob);
     gobj= Geometry::construct(&buffer, blob, blob_length);
-    if (gobj->get_mbr(&mbr, &dummy))
+    if (!gobj || gobj->get_mbr(&mbr, &dummy))
       bzero(buff, SIZEOF_STORED_DOUBLE*4);
     else
     {
@@ -7442,7 +7439,7 @@ void Field_geom::get_key_image(char *buff, uint length, imagetype type)
   }
   get_ptr(&blob);
   gobj= Geometry::construct(&buffer, blob, blob_length);
-  if (gobj->get_mbr(&mbr, &dummy))
+  if (!gobj || gobj->get_mbr(&mbr, &dummy))
     bzero(buff, SIZEOF_STORED_DOUBLE*4);
   else
   {
@@ -8240,15 +8237,12 @@ const char *Field_bit::unpack(char *to, const char *from)
 
 Field_bit_as_char::Field_bit_as_char(char *ptr_arg, uint32 len_arg,
                                      uchar *null_ptr_arg, uchar null_bit_arg,
-                                     uchar *bit_ptr_arg, uchar bit_ofs_arg, 
                                      enum utype unireg_check_arg,
                                      const char *field_name_arg)
-  :Field_bit(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, bit_ptr_arg,
+  :Field_bit(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, 0, 0,
-             bit_ofs_arg, unireg_check_arg, field_name_arg),
+             unireg_check_arg, field_name_arg),
    create_length(len_arg)
 {
-  bit_ptr= 0;
-  bit_ofs= 0;
   bit_len= 0;
   field_length= ((len_arg + 7) & ~7) / 8;
 }
@@ -8951,7 +8945,7 @@ Field *make_field(TABLE_SHARE *share, char *ptr, uint32 field_length,
   case FIELD_TYPE_BIT:
     return f_bit_as_char(pack_flag) ?
            new Field_bit_as_char(ptr, field_length, null_pos, null_bit,
-                            bit_ptr, bit_offset, unireg_check, field_name) :
+                                 unireg_check, field_name) :
            new Field_bit(ptr, field_length, null_pos, null_bit, bit_ptr,
                          bit_offset, unireg_check, field_name);
 

sql/field.h

@@ -1378,7 +1378,7 @@ class Field_bit_as_char: public Field_bit {
 public:
   uchar create_length;
   Field_bit_as_char(char *ptr_arg, uint32 len_arg, uchar *null_ptr_arg,
-                    uchar null_bit_arg, uchar *bit_ptr_arg, uchar bit_ofs_arg,
+                    uchar null_bit_arg,
                     enum utype unireg_check_arg, const char *field_name_arg);
   enum ha_base_keytype key_type() const { return HA_KEYTYPE_BINARY; }
   uint32 max_length() { return (uint32) create_length; }

sql/ha_myisam.cc

@@ -286,7 +286,8 @@ int ha_myisam::dump(THD* thd, int fd)
 
   if (fd < 0)
   {
-    my_net_write(net, "", 0);
+    if (my_net_write(net, "", 0))
+      error = errno ? errno : EPIPE;
     net_flush(net);
   }
 
@@ -420,11 +421,13 @@ int ha_myisam::check(THD* thd, HA_CHECK_OPT* check_opt)
     {
       uint old_testflag=param.testflag;
       param.testflag|=T_MEDIUM;
-      init_io_cache(&param.read_cache, file->dfile,
+      if (!(error= init_io_cache(&param.read_cache, file->dfile,
                                  my_default_record_cache_size, READ_CACHE,
-		    share->pack.header_length, 1, MYF(MY_WME));
+                                 share->pack.header_length, 1, MYF(MY_WME))))
-      error |= chk_data_link(&param, file, param.testflag & T_EXTEND);
+      {
+        error= chk_data_link(&param, file, param.testflag & T_EXTEND);
         end_io_cache(&(param.read_cache));
+      }
       param.testflag= old_testflag;
     }
   }

sql/item.cc

@@ -985,7 +985,7 @@ Item_case_expr::this_item_addr(THD *thd, Item **)
 
 void Item_case_expr::print(String *str)
 {
-  str->append(STRING_WITH_LEN("case_expr@"));
+  VOID(str->append(STRING_WITH_LEN("case_expr@")));
   str->qs_append(m_case_expr_id);
 }
 
@@ -3868,7 +3868,7 @@ Field *Item::tmp_table_field_from_field_type(TABLE *table, bool fixed_length)
 			  name);
     break;
   case MYSQL_TYPE_BIT:
-    field= new Field_bit_as_char(NULL, max_length, null_ptr, 0, NULL, 0,
+    field= new Field_bit_as_char(NULL, max_length, null_ptr, 0,
                                  Field::NONE, name);
     break;
   default:

sql/log_event.cc

@@ -3342,6 +3342,10 @@ void Intvar_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info)
   case INSERT_ID_EVENT:
     msg="INSERT_ID";
     break;
+  case INVALID_INT_EVENT:
+  default: // cannot happen
+    msg="INVALID_INT";
+    break;
   }
   fprintf(file, "%s=%s;\n", msg, llstr(val,llbuff));
   fflush(file);

sql/opt_range.cc

@@ -753,7 +753,6 @@ SQL_SELECT *make_select(TABLE *head, table_map const_tables,
 			table_map read_tables, COND *conds,
                         bool allow_null_cond,
                         int *error)
-                        
 {
   SQL_SELECT *select;
   DBUG_ENTER("make_select");
@@ -7059,10 +7058,7 @@ QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
   if (!quick)
     return 0;			/* no ranges found */
   if (quick->init())
-  {
-    delete quick;
     goto err;
-  }
   quick->records= records;
 
   if (cp_buffer_from_ref(thd,ref) && thd->is_fatal_error ||
@@ -8404,7 +8400,7 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
   ha_rows cur_records;
   SEL_ARG *cur_index_tree= NULL;
   ha_rows cur_quick_prefix_records= 0;
-  uint cur_param_idx;
+  uint cur_param_idx=MAX_KEY;
   key_map cur_used_key_parts;
   uint pk= param->table->s->primary_key;
 
@@ -8620,6 +8616,7 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree)
     */
     if (cur_read_cost < best_read_cost - (DBL_EPSILON * cur_read_cost))
     {
+      DBUG_ASSERT(tree != 0 || cur_param_idx == MAX_KEY);
       index_info= cur_index_info;
       index= cur_index;
       best_read_cost= cur_read_cost;

sql/opt_range.h

@@ -706,7 +706,7 @@ class SQL_SELECT :public Sql_alloc {
 class FT_SELECT: public QUICK_RANGE_SELECT {
 public:
   FT_SELECT(THD *thd, TABLE *table, uint key) :
-      QUICK_RANGE_SELECT (thd, table, key, 1) { init(); }
+      QUICK_RANGE_SELECT (thd, table, key, 1) { VOID(init()); }
   ~FT_SELECT() { file->ft_end(); }
   int init() { return error=file->ft_init(); }
   int reset() { return 0; }

sql/repl_failsafe.cc

@@ -930,7 +930,8 @@ bool load_master_data(THD* thd)
           host was specified; there could have been a problem when replication
           started, which led to relay log's IO_CACHE to not be inited.
         */
-	flush_master_info(active_mi, 0);
+        if (flush_master_info(active_mi, 0))
+          sql_print_error("Failed to flush master info file");
       }
       mysql_free_result(master_status_res);
     }

sql/set_var.cc

@@ -2495,7 +2495,6 @@ bool sys_var_slave_skip_counter::update(THD *thd, set_var *var)
 
 bool sys_var_sync_binlog_period::update(THD *thd, set_var *var)
 {
-  pthread_mutex_t *lock_log= mysql_bin_log.get_log_lock();
   sync_binlog_period= (ulong) var->save_result.ulonglong_value;
   return 0;
 }

sql/slave.cc

@@ -1742,7 +1742,8 @@ static void write_ignored_events_info_to_relay_log(THD *thd, MASTER_INFO *mi)
                         " to the relay log, "
                         "SHOW SLAVE STATUS may be inaccurate");
       rli->relay_log.harvest_bytes_written(&rli->log_space_total);
-      flush_master_info(mi, 1);
+      if (flush_master_info(mi, 1))
+        sql_print_error("Failed to flush master info file");
       delete ev;
     }
     else
@@ -2241,8 +2242,13 @@ bool show_master_info(THD* thd, MASTER_INFO* mi)
   DBUG_RETURN(FALSE);
 }
 
-
+/*
-bool flush_master_info(MASTER_INFO* mi, bool flush_relay_log_cache)
+  RETURN
+     2 - flush relay log failed
+     1 - flush master info failed
+     0 - all ok
+*/
+int flush_master_info(MASTER_INFO* mi, bool flush_relay_log_cache)
 {
   IO_CACHE* file = &mi->file;
   char lbuf[22];
@@ -2261,8 +2267,9 @@ bool flush_master_info(MASTER_INFO* mi, bool flush_relay_log_cache)
     When we come to this place in code, relay log may or not be initialized;
     the caller is responsible for setting 'flush_relay_log_cache' accordingly.
   */
-  if (flush_relay_log_cache)
+  if (flush_relay_log_cache &&
-    flush_io_cache(mi->rli.relay_log.get_log_file());
+      flush_io_cache(mi->rli.relay_log.get_log_file()))
+    DBUG_RETURN(2);
 
   /*
     We flushed the relay log BEFORE the master.info file, because if we crash
@@ -2289,8 +2296,7 @@ bool flush_master_info(MASTER_INFO* mi, bool flush_relay_log_cache)
 	      mi->password, mi->port, mi->connect_retry,
               (int)(mi->ssl), mi->ssl_ca, mi->ssl_capath, mi->ssl_cert,
               mi->ssl_cipher, mi->ssl_key);
-  flush_io_cache(file);
+  DBUG_RETURN(-flush_io_cache(file));
-  DBUG_RETURN(0);
 }
 
 
@@ -3355,7 +3361,11 @@ reconnect done to recover from failed read");
 	sql_print_error("Slave I/O thread could not queue event from master");
 	goto err;
       }
-      flush_master_info(mi, 1); /* sure that we can flush the relay log */
+      if (flush_master_info(mi, 1))
+      {
+        sql_print_error("Failed to flush master info file");
+        goto err;
+      }
       /*
         See if the relay logs take too much space.
         We don't lock mi->rli.log_space_lock here; this dirty read saves time

sql/slave.h

@@ -231,7 +231,7 @@ int queue_event(MASTER_INFO* mi,const char* buf,ulong event_len);
 
 int init_slave();
 void init_slave_skip_errors(const char* arg);
-bool flush_master_info(MASTER_INFO* mi, bool flush_relay_log_cache);
+int flush_master_info(MASTER_INFO* mi, bool flush_relay_log_cache);
 bool flush_relay_log_info(RELAY_LOG_INFO* rli);
 int register_slave_on_master(MYSQL* mysql);
 int terminate_slave_threads(MASTER_INFO* mi, int thread_mask,

sql/sql_acl.cc

@@ -951,7 +951,7 @@ bool acl_getroot_no_password(Security_context *sctx, char *user, char *host,
 
   DBUG_PRINT("enter", ("Host: '%s', Ip: '%s', User: '%s', db: '%s'",
                        (host ? host : "(NULL)"), (ip ? ip : "(NULL)"),
-                       (user ? user : "(NULL)"), (db ? db : "(NULL)")));
+                       user, (db ? db : "(NULL)")));
   sctx->user= user;
   sctx->host= host;
   sctx->ip= ip;
@@ -980,7 +980,7 @@ bool acl_getroot_no_password(Security_context *sctx, char *user, char *host,
   for (i=0 ; i < acl_users.elements ; i++)
   {
     acl_user= dynamic_element(&acl_users,i,ACL_USER*);
-    if ((!acl_user->user && (!user || !user[0])) ||
+    if ((!acl_user->user && !user[0]) ||
 	(acl_user->user && strcmp(user, acl_user->user) == 0))
     {
       if (compare_hostname(&acl_user->host, host, ip))
@@ -4980,8 +4980,6 @@ static int handle_grant_struct(uint struct_no, bool drop,
     }
     if (! user)
       user= "";
-    if (! host)
-      host= "";
 #ifdef EXTRA_DEBUG
     DBUG_PRINT("loop",("scan struct: %u  index: %u  user: '%s'  host: '%s'",
                        struct_no, idx, user, host));

sql/sql_db.cc

@@ -319,10 +319,12 @@ bool load_db_opt(THD *thd, const char *path, HA_CREATE_INFO *create)
     DBUG_RETURN(0);
 
   /* Otherwise, load options from the .opt file */
-  if ((file=my_open(path, O_RDONLY | O_SHARE, MYF(0))) >= 0)
+  if ((file=my_open(path, O_RDONLY | O_SHARE, MYF(0))) < 0)
-  {
+    goto err1;
+
   IO_CACHE cache;
-    init_io_cache(&cache, file, IO_SIZE, READ_CACHE, 0, 0, MYF(0));
+  if (init_io_cache(&cache, file, IO_SIZE, READ_CACHE, 0, 0, MYF(0)))
+    goto err2;
 
   while ((int) (nbytes= my_b_gets(&cache, (char*) buf, sizeof(buf))) > 0)
   {
@@ -364,8 +366,6 @@ bool load_db_opt(THD *thd, const char *path, HA_CREATE_INFO *create)
       }
     }
   }
-    end_io_cache(&cache);
-    my_close(file,MYF(0));
   /*
     Put the loaded value into the hash.
     Note that another thread could've added the same
@@ -374,7 +374,11 @@ bool load_db_opt(THD *thd, const char *path, HA_CREATE_INFO *create)
     possibility into account.
   */
   error= put_dbopt(path, create);
-  }
+
+  end_io_cache(&cache);
+err2:
+  my_close(file,MYF(0));
+err1:
   DBUG_RETURN(error);
 }
 

sql/sql_help.cc

@@ -567,7 +567,7 @@ SQL_SELECT *prepare_simple_select(THD *thd, Item *cond,
 
   SQL_SELECT *res= make_select(table, 0, 0, cond, 0, error);
   if (*error || (res && res->check_quick(thd, 0, HA_POS_ERROR)) ||
-      (res->quick && res->quick->reset()))
+      (res && res->quick && res->quick->reset()))
   {
     delete res;
     res=0;

sql/sql_insert.cc

@@ -686,7 +686,7 @@ static bool check_view_insertability(THD * thd, TABLE_LIST *view)
 
   DBUG_ASSERT(view->table != 0 && view->field_translation != 0);
 
-  bitmap_init(&used_fields, used_fields_buff, table->s->fields, 0);
+  VOID(bitmap_init(&used_fields, used_fields_buff, table->s->fields, 0));
   bitmap_clear_all(&used_fields);
 
   view->contain_auto_increment= 0;

sql/sql_parse.cc

@@ -1615,6 +1615,11 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
     statistic_increment(thd->status_var.com_other, &LOCK_status);
     thd->enable_slow_log= opt_log_slow_admin_statements;
     db= thd->alloc(db_len + tbl_len + 2);
+    if (!db)
+    {
+      my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
+      break;
+    }
     tbl_name= strmake(db, packet + 1, db_len)+1;
     strmake(tbl_name, packet + db_len + 2, tbl_len);
     mysql_table_dump(thd, db, tbl_name, -1);
@@ -6631,6 +6636,7 @@ bool reload_acl_and_cache(THD *thd, ulong options, TABLE_LIST *tables,
 #ifdef HAVE_REPLICATION
   if (options & REFRESH_MASTER)
   {
+    DBUG_ASSERT(thd);
     tmp_write_to_binlog= 0;
     if (reset_master(thd))
     {

sql/sql_repl.cc

@@ -1201,7 +1201,12 @@ bool change_master(THD* thd, MASTER_INFO* mi)
     Relay log's IO_CACHE may not be inited, if rli->inited==0 (server was never
     a slave before).
   */
-  flush_master_info(mi, 0);
+  if (flush_master_info(mi, 0))
+  {
+    my_error(ER_RELAY_LOG_INIT, MYF(0), "Failed to flush master info file");
+    unlock_slave_threads(mi);
+    DBUG_RETURN(TRUE);
+  }
   if (need_relay_log_purge)
   {
     relay_log_purge= 1;
@@ -1311,14 +1316,15 @@ bool mysql_show_binlog_events(THD* thd)
   bool ret = TRUE;
   IO_CACHE log;
   File file = -1;
-  Format_description_log_event *description_event= new
-    Format_description_log_event(3); /* MySQL 4.0 by default */
 
   Log_event::init_show_field_list(&field_list);
   if (protocol->send_fields(&field_list,
                             Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
     DBUG_RETURN(TRUE);
 
+  Format_description_log_event *description_event= new
+    Format_description_log_event(3); /* MySQL 4.0 by default */
+
   /*
     Wait for handlers to insert any pending information
     into the binlog.  For e.g. ndb which updates the binlog asynchronously

sql/sql_show.cc

@@ -781,7 +781,7 @@ append_identifier(THD *thd, String *packet, const char *name, uint length)
    it's a keyword
   */
 
-  packet->reserve(length*2 + 2);
+  VOID(packet->reserve(length*2 + 2));
   quote_char= (char) q;
   packet->append(&quote_char, 1, system_charset_info);
 
@@ -1097,7 +1097,7 @@ store_create_info(THD *thd, TABLE_LIST *table_list, String *packet,
       if (key_part->field)
         append_identifier(thd,packet,key_part->field->field_name,
 			  strlen(key_part->field->field_name));
-      if (!key_part->field ||
+      if (key_part->field &&
           (key_part->length !=
            table->field[key_part->fieldnr-1]->key_length() &&
            !(key_info->flags & HA_FULLTEXT)))
@@ -1856,7 +1856,8 @@ LEX_STRING *make_lex_string(THD *thd, LEX_STRING *lex_str,
 {
   MEM_ROOT *mem= thd->mem_root;
   if (allocate_lex_string)
-    lex_str= (LEX_STRING *)thd->alloc(sizeof(LEX_STRING));
+    if (!(lex_str= (LEX_STRING *)thd->alloc(sizeof(LEX_STRING))))
+      return 0;
   lex_str->str= strmake_root(mem, str, length);
   lex_str->length= length;
   return lex_str;
@@ -3164,7 +3165,7 @@ static int get_schema_stat_record(THD *thd, struct st_table_list *tables,
           table->field[9]->set_notnull();
         }
         if (!(key_info->flags & HA_FULLTEXT) &&
-            (!key_part->field ||
+            (key_part->field &&
              key_part->length !=
              show_table->field[key_part->fieldnr-1]->key_length()))
         {

sql/sql_test.cc

@@ -450,7 +450,7 @@ void mysql_print_status()
 
   calc_sum_of_all_status(&tmp);
   printf("\nStatus information:\n\n");
-  my_getwd(current_dir, sizeof(current_dir),MYF(0));
+  VOID(my_getwd(current_dir, sizeof(current_dir),MYF(0)));
   printf("Current dir: %s\n", current_dir);
   printf("Running threads: %d  Stack size: %ld\n", thread_count,
 	 (long) thread_stack);

sql/table.cc

@@ -1640,7 +1640,10 @@ ulong get_form_pos(File file, uchar *head, TYPELIB *save_names)
     ret_value=uint4korr(pos);
   }
   if (! save_names)
+  {
+    if (names)
       my_free((gptr) buf,MYF(0));
+  }
   else if (!names)
     bzero((char*) save_names,sizeof(save_names));
   else

sql/uniques.cc

@@ -67,8 +67,8 @@ Unique::Unique(qsort_cmp2 comp_func, void * comp_func_fixed_arg,
     If you change the following, change it in get_max_elements function, too.
   */
   max_elements= max_in_memory_size / ALIGN_SIZE(sizeof(TREE_ELEMENT)+size);
-  open_cached_file(&file, mysql_tmpdir,TEMP_PREFIX, DISK_BUFFER_SIZE,
+  VOID(open_cached_file(&file, mysql_tmpdir,TEMP_PREFIX, DISK_BUFFER_SIZE,
-		   MYF(MY_WME));
+		   MYF(MY_WME)));
 }
 
 

storage/myisam/mi_delete.c

@@ -276,7 +276,8 @@ static int d_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
       if (subkeys == -1)
       {
         /* the last entry in sub-tree */
-        _mi_dispose(info, keyinfo, root,DFLT_INIT_HITS);
+        if (_mi_dispose(info, keyinfo, root,DFLT_INIT_HITS))
+          DBUG_RETURN(-1);
         /* fall through to normal delete */
       }
       else

storage/myisam/myisampack.c

@@ -1159,7 +1159,7 @@ static int compare_huff_elements(void *not_used __attribute__((unused)),
 static void check_counts(HUFF_COUNTS *huff_counts, uint trees,
 			 my_off_t records)
 {
-  uint space_fields,fill_zero_fields,field_count[(int) FIELD_VARCHAR+1];
+  uint space_fields,fill_zero_fields,field_count[(int) FIELD_enum_val_count];
   my_off_t old_length,new_length,length;
   DBUG_ENTER("check_counts");
 

storage/myisam/sort.c

@@ -376,7 +376,10 @@ pthread_handler_t thr_find_all_keys(void *arg)
     {
       if (my_init_dynamic_array(&info->buffpek, sizeof(BUFFPEK),
 				maxbuffer, maxbuffer/2))
+      {
         my_free((gptr) sort_keys,MYF(0));
+        sort_keys= (uchar **) NULL; /* for err: label */
+      }
       else
         break;
     }