add rt_memory_info function in kernel; cleanup code in dfs_posix.c; add Chinese Font(file cached) support in RTGUI;

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@166 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 10 insertions, 1 deletions

diff --git a/src/mem.c b/src/mem.c
index 37ad734a3d..d403e5a45a 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -487,7 +487,16 @@ void rt_free(void *rmem)
 	rt_sem_release(&heap_sem);
 }
 
-#ifdef RT_MEM_STATS
+#ifdef RT_MEM_STATS

+void rt_memory_info(rt_uint32_t *total, 

+	rt_uint32_t *used,

+	rt_uint32_t *max_used)

+{

+	if (total != RT_NULL) *total = mem_size_aligned;

+	if (used  != RT_NULL) *used = used_mem;

+	if (max_used != RT_NULL) *max_used = max_mem;

+}

+	
 #ifdef RT_USING_FINSH
 #include <finsh.h>
 void list_mem()