many warnings (practically safe but annoying) corrected

client/mysqladmin.cc:
  don't use the handler after it's closed
client/mysqlbinlog.cc:
  memory leak
client/mysqldump.c:
  many "ignore return value" warnings, one "NULL dereference"
cmd-line-utils/libedit/history.c:
  memory leak
include/my_base.h:
  cleanup
libmysql/libmysql.c:
  "return value ignored" warning
myisam/mi_delete.c:
  "return value ignored" warning
myisam/myisampack.c:
  "out-of-bound access" warning
myisam/sort.c:
  "double free" warning
mysys/default_modify.c:
  "double free" warning
mysys/mf_iocache2.c:
  "return value ignored" warnings
mysys/my_bitmap.c:
  s/return/DBUG_RETURN/
mysys/my_error.c:
  memory leak
server-tools/instance-manager/parse.cc:
  "NULL dereference" warning
sql-common/client.c:
  "NULL dereference" warning
sql/field.cc:
  deadcode, "NULL dereference", "uninitialized" warnings
sql/field.h:
  unused parameters removed from constructor
sql/ha_myisam.cc:
  "return value ignored" warnings
sql/item.cc:
  "return value ignored" warnings
  changed constructor
sql/item_func.cc:
  "return value ignored" warnings
sql/log_event.cc:
  uninitialized warning
sql/opt_range.cc:
  "double free" and uninitialized warnings
sql/opt_range.h:
  "return value ignored" warning
sql/repl_failsafe.cc:
  "return value ignored" warning
sql/set_var.cc:
  "return value ignored" warning
sql/slave.cc:
  "return value ignored" warnings
sql/slave.h:
  new prototype
sql/sql_acl.cc:
  deadcode and "NULL dereference" warnings
sql/sql_db.cc:
  "return value ignored" warning
sql/sql_handler.cc:
  "NULL dereference" warning
sql/sql_help.cc:
  "NULL dereference" warning
sql/sql_insert.cc:
  "return value ignored" warning
sql/sql_parse.cc:
  "return value ignored" warning
  one more DBUG_ASSERT
sql/sql_repl.cc:
  "return value ignored" and memory leak warnings
sql/sql_show.cc:
  "return value ignored" and "NULL dereference"  warnings
sql/sql_test.cc:
  "return value ignored" warning
sql/table.cc:
  memory leak
sql/uniques.cc:
  "return value ignored" warning
  endspaces deleted

1 files changed, 5 insertions, 4 deletions

diff --git a/client/mysqlbinlog.cc b/client/mysqlbinlog.cc
index ae482a155d5..b1a931a9df1 100644
--- a/client/mysqlbinlog.cc
+++ b/client/mysqlbinlog.cc
@@ -1266,12 +1266,13 @@ 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 \
-at offset %lu ; this could be a log format error or read error",
-              tmp_pos);
+          die("Could not read a Rotate_log_event event at offset %lu ;"
+              " this could be a log format error or read error", tmp_pos);
+        delete ev;
       }
       else
         break;