Changes to avoid compilation errors in MS Visual Studio 7.1

 (reviewed by Mats)

sql/log_event.cc

@@ -5109,7 +5109,7 @@ Rows_log_event::Rows_log_event(const char *buf, uint event_len,
   const uint byte_count= (m_width + 7) / 8;
   const byte* const ptr_rows_data= var_start + byte_count + 1;
 
-  my_size_t const data_size= event_len - (ptr_rows_data - buf);
+  my_size_t const data_size= event_len - (ptr_rows_data - (const byte *) buf);
   DBUG_PRINT("info",("m_table_id=%lu, m_flags=%d, m_width=%u, data_size=%lu",
                      m_table_id, m_flags, m_width, data_size));
 
@@ -6017,7 +6017,7 @@ bool Table_map_log_event::write_data_body(IO_CACHE *file)
   DBUG_ASSERT(static_cast<my_size_t>(cbuf_end - cbuf) <= sizeof(cbuf));
 
   return (my_b_safe_write(file, dbuf,      sizeof(dbuf)) ||
-          my_b_safe_write(file, m_dbnam,   m_dblen+1) ||
+          my_b_safe_write(file, (const byte*)m_dbnam,   m_dblen+1) ||
           my_b_safe_write(file, tbuf,      sizeof(tbuf)) ||
           my_b_safe_write(file, (const byte*)m_tblnam,  m_tbllen+1) ||
           my_b_safe_write(file, cbuf,      cbuf_end - cbuf) ||
@@ -6035,7 +6035,7 @@ bool Table_map_log_event::write_data_body(IO_CACHE *file)
 void Table_map_log_event::pack_info(Protocol *protocol)
 {
     char buf[256];
-    my_size_t bytes= snprintf(buf, sizeof(buf), "%s.%s", m_dbnam, m_tblnam);
+    my_size_t bytes= my_snprintf(buf, sizeof(buf), "%s.%s", m_dbnam, m_tblnam);
     protocol->store(buf, bytes, &my_charset_bin);
 }
 
@@ -6149,7 +6149,7 @@ char const *Write_rows_log_event::do_prepare_row(THD *thd, TABLE *table,
   */
   DBUG_ASSERT(table->s->fields >= m_width);
   DBUG_ASSERT(ptr);
-  ptr= unpack_row(table, (char*)table->record[0], ptr, &m_cols);
+  ptr= unpack_row(table, table->record[0], ptr, &m_cols);
   return ptr;
 }
 

sql/sql_class.cc

@@ -2325,7 +2325,7 @@ my_size_t THD::max_row_length_blob(TABLE *table, const byte *data) const
   for (uint *ptr= beg ; ptr != end ; ++ptr)
   {
     Field_blob* const blob= (Field_blob*) table->field[*ptr];
-    length+= blob->get_length(data + blob->offset()) + 2;
+    length+= blob->get_length((const char *) (data + blob->offset())) + 2;
   }
 
   return length;
@@ -2344,7 +2344,7 @@ my_size_t THD::pack_row(TABLE *table, MY_BITMAP const* cols, byte *row_data,
   for (int i= 0 ; field ; i++, p_field++, field= *p_field)
   {
     if (bitmap_is_set(cols,i))
-      ptr= (byte*)field->pack(ptr, field->ptr + offset);
+      ptr= (byte*)field->pack((char *) ptr, field->ptr + offset);
   }
 
   /*
@@ -2377,12 +2377,12 @@ int THD::binlog_write_row(TABLE* table, bool is_trans,
     if (!table->s->blob_fields)
     {
       /* multiply max_len by 2 so it can be used for update_row as well */
-      table->write_row_record= alloc_root(&table->mem_root, 2*max_len);
+      table->write_row_record= (byte *) alloc_root(&table->mem_root, 2*max_len);
       if (!table->write_row_record)
         return HA_ERR_OUT_OF_MEM;
       row_data= table->write_row_record;
     }
-    else if (unlikely(!(row_data= my_malloc(max_len, MYF(MY_WME)))))
+    else if (unlikely(!(row_data= (byte *) my_malloc(max_len, MYF(MY_WME)))))
       return HA_ERR_OUT_OF_MEM;
   }
   my_size_t const len= pack_row(table, cols, row_data, record);
@@ -2396,7 +2396,7 @@ int THD::binlog_write_row(TABLE* table, bool is_trans,
   error= likely(ev != 0) ? ev->add_row_data(row_data,len) : HA_ERR_OUT_OF_MEM ;
 
   if (table->write_row_record == 0)
-    my_free(row_data, MYF(MY_WME));
+    my_free((gptr) row_data, MYF(MY_WME));
 
   return error;
 }