Bug#15328 Segmentation fault occured if my.cnf is invalid for escape sequence

 - Check that length of value is longer than 1 before decrementing length by 2.
 - Backport from 5.0, make it possible to use my_print_defaults in tests


mysql-test/mysql-test-run.pl:
  Backport from 5.0, make it possible to use my_print_defaults from tests
mysql-test/mysql-test-run.sh:
  Backport from 5.0, make it possible to use my_print_defaults from tests
mysql-test/r/mysqldump.result:
  Update result
mysql-test/t/mysqldump.test:
  Test that my_print default don't segfault when encountering an option without closing "
mysys/default.c:
  Check that length of value is longer than 1 before deciding to decrement its length by 2.
mysql-test/std_data/bug15328.cnf:
  New BitKeeper file ``mysql-test/std_data/bug15328.cnf''

1 files changed, 8 insertions, 0 deletions

diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 121102ec262..6f2ae296122 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -179,6 +179,7 @@ our $exe_mysqlshow;              # Called from test case
 our $exe_mysql_fix_system_tables;
 our $exe_mysqltest;
 our $exe_slave_mysqld;
+our $exe_my_print_defaults;
 
 our $opt_bench= 0;
 our $opt_small_bench= 0;
@@ -893,6 +894,8 @@ sub executable_setup () {
                                            "$path_client_bindir/mysqld-max");
       $path_language=      mtr_path_exists("$glob_basedir/share/english/");
       $path_charsetsdir=   mtr_path_exists("$glob_basedir/share/charsets");
+      $exe_my_print_defaults=
+	mtr_exe_exists("$path_client_bindir/my_print_defaults");
     }
     else
     {
@@ -900,6 +903,8 @@ sub executable_setup () {
       $exe_mysqld=         mtr_exe_exists ("$glob_basedir/sql/mysqld");
       $path_language=      mtr_path_exists("$glob_basedir/sql/share/english/");
       $path_charsetsdir=   mtr_path_exists("$glob_basedir/sql/share/charsets");
+      $exe_my_print_defaults=
+	mtr_exe_exists("$glob_basedir/extra/my_print_defaults");
     }
 
     if ( $glob_use_embedded_server )
@@ -952,6 +957,8 @@ sub executable_setup () {
     $exe_mysql_fix_system_tables=
       mtr_script_exists("$path_client_bindir/mysql_fix_privilege_tables",
 			"$glob_basedir/scripts/mysql_fix_privilege_tables");
+    $exe_my_print_defaults=
+      mtr_exe_exists("$path_client_bindir/my_print_defaults");
 
     $path_language=      mtr_path_exists("$glob_basedir/share/mysql/english/",
                                          "$glob_basedir/share/english/");
@@ -2303,6 +2310,7 @@ sub run_mysqltest ($) {
   $ENV{'MYSQL_FIX_SYSTEM_TABLES'}=  $cmdline_mysql_fix_system_tables;
   $ENV{'MYSQL_CLIENT_TEST'}=        $cmdline_mysql_client_test;
   $ENV{'CHARSETSDIR'}=              $path_charsetsdir;
+  $ENV{'MYSQL_MY_PRINT_DEFAULTS'}=  $exe_my_print_defaults;
 
   $ENV{'NDB_STATUS_OK'}=            $flag_ndb_status_ok;
   $ENV{'NDB_MGM'}=                  $exe_ndb_mgm;