Portability fixes

Fixes while reviewing new pushed code
NULL as argument to encrypt/decrypt should return NULL without a warning

client/mysqldump.c

@@ -533,6 +533,12 @@ static void write_footer(FILE *sql_file)
   }
 } /* write_footer */
 
+static void free_table_ent(char *key)
+
+{
+  my_free((gptr) key, MYF(0));
+}
+
 
 byte* get_table_key(const char *entry, uint *length,
 				my_bool not_used __attribute__((unused)))
@@ -545,7 +551,8 @@ byte* get_table_key(const char *entry, uint *length,
 void init_table_rule_hash(HASH* h)
 {
   if (hash_init(h, charset_info, 16, 0, 0,
-	       (hash_get_key) get_table_key, 0, 0))
+                (hash_get_key) get_table_key,
+                (hash_free_key) free_table_ent, 0))
     exit(EX_EOM);
 }
 
@@ -933,13 +940,14 @@ static char *quote_name(const char *name, char *buff, my_bool force)
   return buff;
 } /* quote_name */
 
+
 /*
   Quote a table name so it can be used in "SHOW TABLES LIKE <tabname>"
 
   SYNOPSIS
-    quote_for_like
+    quote_for_like()
-    name     - name of the table
+    name     name of the table
-    buff     - quoted name of the table
+    buff     quoted name of the table
 
   DESCRIPTION
     Quote \, _, ' and % characters
@@ -955,7 +963,6 @@ static char *quote_name(const char *name, char *buff, my_bool force)
     Example: "t\1" => "t\\\\1"
 
 */
-
 static char *quote_for_like(const char *name, char *buff)
 {
   char *to= buff;
@@ -2250,7 +2257,6 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
   char new_table_name[NAME_LEN];
   DYNAMIC_STRING lock_tables_query;
   HASH dump_tables;
-
   DBUG_ENTER("dump_selected_tables");
 
   if (init_dumping(db))
@@ -2258,7 +2264,8 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
 
   /* Init hash table for storing the actual name of tables to dump */
   if (hash_init(&dump_tables, charset_info, 16, 0, 0,
-                (hash_get_key) get_table_key, 0, 0))
+                (hash_get_key) get_table_key, (hash_free_key) free_table_ent,
+                0))
     exit(EX_EOM);
 
   init_dynamic_string(&lock_tables_query, "LOCK TABLES ", 256, 1024);
@@ -2310,10 +2317,9 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
     print_xml_tag1(md_result_file, "", "database name=", db, "\n");
 
   /* Dump each selected table */
-  const char *table_name;
   for (i= 0 ; i < dump_tables.records ; i++)
   {
-    table_name= hash_element(&dump_tables, i);
+    const char *table_name= hash_element(&dump_tables, i);
     DBUG_PRINT("info",("Dumping table %s", table_name));
     numrows= getTableStructure(table_name, db);
     if (!dFlag && numrows > 0)
@@ -2620,6 +2626,7 @@ int main(int argc, char **argv)
 {
   compatible_mode_normal_str[0]= 0;
   default_charset= (char *)mysql_universal_client_charset;
+  bzero((char*) &ignore_table, sizeof(ignore_table));
 
   MY_INIT("mysqldump");
   if (get_options(&argc, &argv))
@@ -2678,6 +2685,8 @@ err:
   if (md_result_file != stdout)
     my_fclose(md_result_file, MYF(0));
   my_free(opt_password, MYF(MY_ALLOW_ZERO_PTR));
+  if (hash_inited(&ignore_table))
+    hash_free(&ignore_table);
   if (extended_insert)
     dynstr_free(&extended_row);
   if (insert_pat_inited)

client/mysqltest.c

@@ -964,18 +964,18 @@ static void do_exec(struct st_query* q)
   error= pclose(res_file);
   if (error != 0)
   {
-    uint status= WEXITSTATUS(error);
+    uint status= WEXITSTATUS(error), i;
+    my_bool ok= 0;
+
     if (q->abort_on_error)
       die("At line %u: command \"%s\" failed", start_lineno, cmd);
-    else
+
-    {
     DBUG_PRINT("info",
                ("error: %d, status: %d", error, status));
-      bool ok= 0;
-      uint i;
     for (i=0 ; (uint) i < q->expected_errors ; i++)
     {
-        DBUG_PRINT("info", ("expected error: %d", q->expected_errno[i].code.errnum));
+      DBUG_PRINT("info", ("expected error: %d",
+                          q->expected_errno[i].code.errnum));
       if ((q->expected_errno[i].type == ERR_ERRNO) &&
           (q->expected_errno[i].code.errnum == status))
         ok= 1;
@@ -986,7 +986,6 @@ static void do_exec(struct st_query* q)
       die("At line: %u: command \"%s\" failed with wrong error: %d",
           start_lineno, cmd, status);
   }
-  }
   else if (q->expected_errno[0].type == ERR_ERRNO &&
            q->expected_errno[0].code.errnum != 0)
   {

mysql-test/r/func_encrypt.result

@@ -128,18 +128,12 @@ Error	1108	Incorrect parameters to procedure 'des_encrypt'
 select des_encrypt(NULL);
 des_encrypt(NULL)
 NULL
-Warnings:
-Error	1108	Incorrect parameters to procedure 'des_encrypt'
 select des_encrypt(NULL, 10);
 des_encrypt(NULL, 10)
 NULL
-Warnings:
-Error	1108	Incorrect parameters to procedure 'des_encrypt'
 select des_encrypt(NULL, NULL);
 des_encrypt(NULL, NULL)
 NULL
-Warnings:
-Error	1108	Incorrect parameters to procedure 'des_encrypt'
 select des_encrypt(10, NULL);
 des_encrypt(10, NULL)
 NULL
@@ -156,18 +150,12 @@ hello
 select des_decrypt(NULL);
 des_decrypt(NULL)
 NULL
-Warnings:
-Error	1108	Incorrect parameters to procedure 'des_decrypt'
 select des_decrypt(NULL, 10);
 des_decrypt(NULL, 10)
 NULL
-Warnings:
-Error	1108	Incorrect parameters to procedure 'des_decrypt'
 select des_decrypt(NULL, NULL);
 des_decrypt(NULL, NULL)
 NULL
-Warnings:
-Error	1108	Incorrect parameters to procedure 'des_decrypt'
 select des_decrypt(10, NULL);
 des_decrypt(10, NULL)
 10

mysql-test/r/func_encrypt_nossl.result

@@ -23,6 +23,10 @@ des_encrypt("test", NULL)
 NULL
 Warnings:
 Error	1289	The 'des_encrypt' feature is disabled; you need MySQL built with '--with-openssl' to have it working
+des_encrypt(NULL, NULL)
+NULL
+Warnings:
+Error	1289	The 'des_encrypt' feature is disabled; you need MySQL built with '--with-openssl' to have it working
 select des_decrypt("test", 'anotherkeystr');
 des_decrypt("test", 'anotherkeystr')
 NULL

mysql-test/t/func_encrypt_nossl.test

@@ -9,6 +9,7 @@ select des_encrypt("test", 1);
 select des_encrypt("test", 9);
 select des_encrypt("test", 100);
 select des_encrypt("test", NULL);
+select des_encrypt(NULL, NULL);
 select des_decrypt("test", 'anotherkeystr');
 select des_decrypt(1, 1);
 select des_decrypt(des_encrypt("test", 'thekey'));

sql/handler.cc

@@ -1357,14 +1357,12 @@ int ha_create_table_from_engine(THD* thd,
   HA_CREATE_INFO create_info;
   TABLE table;
   DBUG_ENTER("ha_create_table_from_engine");
-  DBUG_PRINT("enter", ("name '%s'.'%s'",
+  DBUG_PRINT("enter", ("name '%s'.'%s'", db, name));
-                       db, name));
 
   bzero((char*) &create_info,sizeof(create_info));
-
+  if ((error= ha_discover(thd, db, name, &frmblob, &frmlen)))
-  if(error= ha_discover(thd, db, name, &frmblob, &frmlen))
   {
-    // Table could not be discovered and thus not created
+    /* Table could not be discovered and thus not created */
     DBUG_RETURN(error);
   }
 
@@ -1375,11 +1373,10 @@ int ha_create_table_from_engine(THD* thd,
 
   (void)strxnmov(path,FN_REFLEN,mysql_data_home,"/",db,"/",name,NullS);
   // Save the frm file
-  if (writefrm(path, frmblob, frmlen))
+  error= writefrm(path, frmblob, frmlen);
-  {
+  my_free((char*) frmblob, MYF(0));
-    my_free((char*) frmblob, MYF(MY_ALLOW_ZERO_PTR));
+  if (error)
     DBUG_RETURN(2);
-  }
 
   if (openfrm(path,"",0,(uint) READ_ALL, 0, &table))
     DBUG_RETURN(3);
@@ -1395,7 +1392,6 @@ int ha_create_table_from_engine(THD* thd,
   }
   error=table.file->create(path,&table,&create_info);
   VOID(closefrm(&table));
-  my_free((char*) frmblob, MYF(MY_ALLOW_ZERO_PTR));
 
   DBUG_RETURN(error != 0);
 }

sql/item_strfunc.cc

@@ -382,7 +382,7 @@ String *Item_func_des_encrypt::val_str(String *str)
   String *res= args[0]->val_str(str);
 
   if ((null_value= args[0]->null_value))
-    goto error;
+    return 0;                                   // ENCRYPT(NULL) == NULL
   if ((res_length=res->length()) == 0)
     return &my_empty_string;
 
@@ -474,7 +474,7 @@ String *Item_func_des_decrypt::val_str(String *str)
   uint length=res->length(),tail;
 
   if ((null_value=args[0]->null_value))
-    goto error;
+    return 0;
   length=res->length();
   if (length < 9 || (length % 8) != 1 || !((*res)[0] & 128))
     return res;				// Skip decryption if not encrypted

sql/sql_parse.cc

@@ -2897,6 +2897,7 @@ unsent_create_error:
     }
     else
       res= -1;
+    first_local_table->next= tables;
     lex->select_lex.table_list.first= (byte*) first_local_table;
     break;
   }

sql/sql_table.cc

@@ -255,7 +255,6 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists,
 			    table->real_name);
       else
         error= 1;
-
     }
     else
     {