Fixes for Opensolaris (to get buildbot green)

- Fixed memory leaks in mysqldump
- Fixed printf of NULL which caused crashes on OpenSolaris when using --debug
- Fixed realloc() problem that caused out of memory when running mysqldump.test on OpenSolaris


client/mysqldump.c:
  Fixed memory leaks
  Fixed printf of NULL which caused crashes on OpenSolaris when using --debug
client/mysqltest.cc:
  Fixed printf of NULL which caused crashes on OpenSolaris when using --debug
include/my_global.h:
  Added simple macro val_or_null() to simplify detecting of NULL strings for printf
sql/handler.cc:
  Fixed printf of NULL which caused crashes on OpenSolaris when using --debug
sql/sql_db.cc:
  Fixed printf of NULL which caused crashes on OpenSolaris when using --debug
  Removed testing of 'new_db_name' as this is guranteed never NULL
sql/sql_show.cc:
  Fixed printf of NULL which caused crashes on OpenSolaris when using --debug
storage/csv/ha_tina.cc:
  Fixed realloc() problem that caused out of memory when running mysqldump.test on OpenSolaris
  (OpenSolaris default malloc() can't handle a lot of reallocs() of strings that are growing one byte at a time)
  This did speed up logging to cvs with a magnitude for large strings.

2 files changed, 7 insertions, 3 deletions

diff --git a/client/mysqldump.c b/client/mysqldump.c
index 212baca6be8..a9fe3f8e1fa 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -1441,6 +1441,7 @@ static void free_resources()
   if (md_result_file && md_result_file != stdout)
     my_fclose(md_result_file, MYF(0));
   my_free(opt_password, MYF(MY_ALLOW_ZERO_PTR));
+  my_free(current_host, MYF(MY_ALLOW_ZERO_PTR));
   if (hash_inited(&ignore_table))
     hash_free(&ignore_table);
   if (extended_insert)
@@ -4222,7 +4223,7 @@ static char *get_actual_table_name(const char *old_table_name, MEM_ROOT *root)
     }
     mysql_free_result(table_res);
   }
-  DBUG_PRINT("exit", ("new_table_name: %s", name));
+  DBUG_PRINT("exit", ("new_table_name: %s", val_or_null(name)));
   DBUG_RETURN(name);
 }
 
@@ -4818,6 +4819,7 @@ static my_bool get_view_structure(char *table, char* db)
   field= mysql_fetch_field_direct(table_res, 0);
   if (strcmp(field->name, "View") != 0)
   {
+    mysql_free_result(table_res);
     switch_character_set_results(mysql, default_charset);
     verbose_msg("-- It's base table, skipped\n");
     DBUG_RETURN(0);
@@ -4827,8 +4829,10 @@ static my_bool get_view_structure(char *table, char* db)
   if (path)
   {
     if (!(sql_file= open_sql_file_for_table(table, O_WRONLY)))
+    {
+      mysql_free_result(table_res);
       DBUG_RETURN(1);
-
+    }
     write_header(sql_file, db);
   }
 
diff --git a/client/mysqltest.cc b/client/mysqltest.cc
index e89f87758c6..a6bfc72070c 100644
--- a/client/mysqltest.cc
+++ b/client/mysqltest.cc
@@ -541,7 +541,7 @@ public:
   {
     DBUG_ENTER("LogFile::open");
     DBUG_PRINT("enter", ("dir: '%s', name: '%s'",
-                         dir, name));
+                         val_or_null(dir), val_or_null(name)));
     if (!name)
     {
       m_file= stdout;