Merge pull request #3 from RT-Thread/master

sync with official source

4 files changed, 11 insertions, 9 deletions

diff --git a/src/kservice.c b/src/kservice.c
index 12878e67d1..b5dc92b091 100644
--- a/src/kservice.c
+++ b/src/kservice.c
@@ -513,7 +513,7 @@ void rt_show_version(void)
     rt_kprintf("- RT -     Thread Operating System\n");
     rt_kprintf(" / | \\     %d.%d.%d build %s\n",
                RT_VERSION, RT_SUBVERSION, RT_REVISION, __DATE__);
-    rt_kprintf(" 2006 - 2013 Copyright by rt-thread team\n");
+    rt_kprintf(" 2006 - 2015 Copyright by rt-thread team\n");
 }
 RTM_EXPORT(rt_show_version);
 
@@ -1114,11 +1114,11 @@ void rt_kprintf(const char *fmt, ...)
     }
     else
     {
-        rt_uint16_t old_flag = _console_device->flag;
+        rt_uint16_t old_flag = _console_device->open_flag;
 
-        _console_device->flag |= RT_DEVICE_FLAG_STREAM;
+        _console_device->open_flag |= RT_DEVICE_FLAG_STREAM;
         rt_device_write(_console_device, 0, rt_log_buf, length);
-        _console_device->flag = old_flag;
+        _console_device->open_flag = old_flag;
     }
 #else
     rt_hw_console_output(rt_log_buf);
diff --git a/src/memheap.c b/src/memheap.c
index e19c83a08c..adb5c86053 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -517,6 +517,8 @@ void rt_memheap_free(void *ptr)
 
     /* check magic */
     RT_ASSERT((header_ptr->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
+    /* check whether this block of memory has been over-written. */
+    RT_ASSERT((header_ptr->next->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
 
     /* get pool ptr */
     heap = header_ptr->pool_ptr;
diff --git a/src/module.c b/src/module.c
index 5d5d02c580..1c20de731d 100644
--- a/src/module.c
+++ b/src/module.c
@@ -82,7 +82,7 @@ static struct rt_module_symtab *_rt_module_symtab_end   = RT_NULL;
  */
 int rt_system_module_init(void)
 {
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__CC_ARM)
     extern int __rtmsymtab_start;
     extern int __rtmsymtab_end;
 
diff --git a/src/object.c b/src/object.c
index 32dc0f2384..6c5a1a026f 100644
--- a/src/object.c
+++ b/src/object.c
@@ -417,7 +417,7 @@ rt_object_t rt_object_find(const char *name, rt_uint8_t type)
     {
         const char *name_ptr;
         int module_name_length;
-        
+
         name_ptr = name;
         while ((*name_ptr != '\0') && (*name_ptr != '/'))
             name_ptr ++;
@@ -434,13 +434,13 @@ rt_object_t rt_object_find(const char *name, rt_uint8_t type)
 
             /* find module */
             information = &rt_object_container[RT_Object_Class_Module];
-            for (node = information->object_list.next; 
+            for (node = information->object_list.next;
                 node != &(information->object_list);
                 node  = node->next)
             {
                 object = rt_list_entry(node, struct rt_object, list);
                 if ((rt_strncmp(object->name, name, module_name_length) == 0) &&
-                    module_name_length == RT_NAME_MAX || object->name[module_name_length] == '\0')
+                    (module_name_length == RT_NAME_MAX || object->name[module_name_length] == '\0'))
                 {
                     /* get module */
                     module = (struct rt_module*)object;
@@ -450,7 +450,7 @@ rt_object_t rt_object_find(const char *name, rt_uint8_t type)
             rt_exit_critical();
 
             /* there is no this module inside the system */
-            if (module == RT_NULL) return RT_NULL; 
+            if (module == RT_NULL) return RT_NULL;
 
             /* get the object pool of module */
             information = &(module->module_object[type]);