根据documentation/coding_style_cn.txt约定 对内核src和include目录下的文件代码进行格式化

include/rtdef.h

@@ -97,7 +97,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #define RT_UNUSED                   __attribute__((unused))
     #define RT_USED                     __attribute__((used))
     #define ALIGN(n)                    __attribute__((aligned(n)))
-    #define WEAK						__weak
+    #define WEAK                        __weak
     #define rt_inline                   static __inline
     /* module compiling */
     #ifdef RT_USING_MODULE
@@ -121,7 +121,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #ifdef RT_USING_NEWLIB
         #include <stdarg.h>
     #else
-		/* the version of GNU GCC must be greater than 4.x */
+        /* the version of GNU GCC must be greater than 4.x */
         typedef __builtin_va_list   __gnuc_va_list;
         typedef __gnuc_va_list      va_list;
         #define va_start(v,l)       __builtin_va_start(v,l)
@@ -142,7 +142,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #define RT_UNUSED                   __attribute__((unused))
     #define RT_USED                     __attribute__((used))
     #define ALIGN(n)                    __attribute__((aligned(n)))
-	#define WEAK                        __attribute__((weak))
+    #define WEAK                        __attribute__((weak))
     #define rt_inline                   static inline
     #define RTT_API
 #elif defined (_MSC_VER)
@@ -151,7 +151,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #define RT_UNUSED
     #define RT_USED
     #define ALIGN(n)                    __declspec(align(n))
-	#define WEAK
+    #define WEAK
     #define rt_inline                   static __inline
     #define RTT_API
 #elif defined (__TI_COMPILER_VERSION__)
@@ -177,20 +177,20 @@ typedef int (*init_fn_t)(void);
 #ifdef _MSC_VER /* we do not support MS VC++ compiler */
     #define INIT_EXPORT(fn, level)
 #else
-	#if RT_DEBUG_INIT
-		struct rt_init_desc
-		{
-			const char* fn_name;
-			const init_fn_t fn;
-		};
-		#define INIT_EXPORT(fn, level)  		\
-			const char __rti_##fn##_name[] = #fn; \
-			const struct rt_init_desc __rt_init_desc_##fn SECTION(".rti_fn."level) = \
-			{ __rti_##fn##_name, fn};
-	#else
-    	#define INIT_EXPORT(fn, level)  \
-        	const init_fn_t __rt_init_##fn SECTION(".rti_fn."level) = fn
-	#endif
+    #if RT_DEBUG_INIT
+        struct rt_init_desc
+        {
+            const char* fn_name;
+            const init_fn_t fn;
+        };
+        #define INIT_EXPORT(fn, level)          \
+            const char __rti_##fn##_name[] = #fn; \
+            const struct rt_init_desc __rt_init_desc_##fn SECTION(".rti_fn."level) = \
+            { __rti_##fn##_name, fn};
+    #else
+        #define INIT_EXPORT(fn, level)  \
+            const init_fn_t __rt_init_##fn SECTION(".rti_fn."level) = fn
+    #endif
 #endif
 #else
 #define INIT_EXPORT(fn, level)
@@ -206,7 +206,7 @@ typedef int (*init_fn_t)(void);
 /* file system initialization (dfs-elm, dfs-rom, ...) */
 #define INIT_FS_EXPORT(fn)              INIT_EXPORT(fn, "4")
 /* environment initialization (mount disk, ...) */
-#define INIT_ENV_EXPORT(fn)				INIT_EXPORT(fn, "5")
+#define INIT_ENV_EXPORT(fn)             INIT_EXPORT(fn, "5")
 /* appliation initialization (rtgui application etc ...) */
 #define INIT_APP_EXPORT(fn)             INIT_EXPORT(fn, "6")
 
@@ -759,8 +759,8 @@ enum rt_device_class_type
     RT_Device_Class_Pipe,                               /**< Pipe device */
     RT_Device_Class_Portal,                             /**< Portal device */
     RT_Device_Class_Timer,                              /**< Timer device */
-	RT_Device_Class_Miscellaneous,                      /**< Miscellaneous device */
-	RT_Device_Class_Unknown                             /**< unknown device */
+    RT_Device_Class_Miscellaneous,                      /**< Miscellaneous device */
+    RT_Device_Class_Unknown                             /**< unknown device */
 };
 
 /**
@@ -778,9 +778,9 @@ enum rt_device_class_type
 #define RT_DEVICE_FLAG_SUSPENDED        0x020           /**< device is suspended */
 #define RT_DEVICE_FLAG_STREAM           0x040           /**< stream mode */
 
-#define RT_DEVICE_CTRL_CONFIG           0x03    	/* configure device */
-#define RT_DEVICE_CTRL_SET_INT          0x10    	/* enable receive irq */
-#define RT_DEVICE_CTRL_CLR_INT          0x11    	/* disable receive irq */
+#define RT_DEVICE_CTRL_CONFIG           0x03            /* configure device */
+#define RT_DEVICE_CTRL_SET_INT          0x10            /* enable receive irq */
+#define RT_DEVICE_CTRL_CLR_INT          0x11            /* disable receive irq */
 #define RT_DEVICE_CTRL_GET_INT          0x12
 
 #define RT_DEVICE_FLAG_INT_RX           0x100           /**< INT mode on Rx */
@@ -969,15 +969,15 @@ struct rt_module
 {
     struct rt_object             parent;                /**< inherit from object */
 
-    rt_uint32_t                  vstart_addr;            /**< VMA base address for the
+    rt_uint32_t                  vstart_addr;           /**< VMA base address for the
                                                           first LOAD segment. */
     rt_uint8_t                  *module_space;          /**< module memory space */
 
     void                        *module_entry;          /**< the entry address of module */
     rt_thread_t                  module_thread;         /**< the main thread of module */
 
-	rt_uint8_t*                  module_cmd_line;		/**< module command line */
-	rt_uint32_t                  module_cmd_size;		/**< the size of module command line */
+    rt_uint8_t                  *module_cmd_line;       /**< module command line */
+    rt_uint32_t                  module_cmd_size;       /**< the size of module command line */
 
 #ifdef RT_USING_SLAB
     /* module memory allocator */

include/rtthread.h

@@ -262,8 +262,8 @@ rt_err_t rt_memheap_init(struct rt_memheap *memheap,
                          void              *start_addr,
                          rt_uint32_t        size);
 rt_err_t rt_memheap_detach(struct rt_memheap *heap);
-void* rt_memheap_alloc(struct rt_memheap *heap, rt_uint32_t size);
-void *rt_memheap_realloc(struct rt_memheap* heap, void* ptr, rt_size_t newsize);
+void *rt_memheap_alloc(struct rt_memheap *heap, rt_uint32_t size);
+void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize);
 void rt_memheap_free(void *ptr);
 #endif
 
@@ -429,7 +429,7 @@ rt_module_t rt_module_load(const char *name, void *module_ptr);
 rt_err_t rt_module_unload(rt_module_t module);
 #ifdef RT_USING_DFS
 rt_module_t rt_module_open(const char *filename);
-rt_module_t rt_module_exec_cmd(const char *path, const char* cmd_line, int size);
+rt_module_t rt_module_exec_cmd(const char *path, const char *cmd_line, int size);
 #endif
 void *rt_module_malloc(rt_size_t size);
 void *rt_module_realloc(void *ptr, rt_size_t size);
@@ -496,7 +496,7 @@ void rt_kputs(const char *str);
 #endif
 rt_int32_t rt_vsprintf(char *dest, const char *format, va_list arg_ptr);
 rt_int32_t rt_vsnprintf(char *buf, rt_size_t size, const char *fmt, va_list args);
-rt_int32_t rt_sprintf(char *buf ,const char *format, ...);
+rt_int32_t rt_sprintf(char *buf, const char *format, ...);
 rt_int32_t rt_snprintf(char *buf, rt_size_t size, const char *format, ...);
 
 #if defined(RT_USING_DEVICE) && defined(RT_USING_CONSOLE)
@@ -517,8 +517,8 @@ void *rt_memset(void *src, int c, rt_ubase_t n);
 void *rt_memcpy(void *dest, const void *src, rt_ubase_t n);
 
 rt_int32_t rt_strncmp(const char *cs, const char *ct, rt_ubase_t count);
-rt_int32_t rt_strcmp (const char *cs, const char *ct);
-rt_size_t rt_strlen (const char *src);
+rt_int32_t rt_strcmp(const char *cs, const char *ct);
+rt_size_t rt_strlen(const char *src);
 char *rt_strdup(const char *s);
 
 char *rt_strstr(const char *str1, const char *str2);
@@ -531,10 +531,10 @@ rt_uint32_t rt_strcasecmp(const char *a, const char *b);
 void rt_show_version(void);
 
 #ifdef RT_DEBUG
-extern void (*rt_assert_hook)(const char* ex, const char* func, rt_size_t line);
-void rt_assert_set_hook(void (*hook)(const char* ex, const char* func, rt_size_t line));
+extern void (*rt_assert_hook)(const char *ex, const char *func, rt_size_t line);
+void rt_assert_set_hook(void (*hook)(const char *ex, const char *func, rt_size_t line));
 
-void rt_assert_handler(const char* ex, const char* func, rt_size_t line);
+void rt_assert_handler(const char *ex, const char *func, rt_size_t line);
 #endif /* RT_DEBUG */
 
 /**@}*/

src/components.c

@@ -41,7 +41,7 @@
 
 #ifdef RT_USING_COMPONENTS_INIT
 /*
- * Components Initialization will initialize some driver and components as following 
+ * Components Initialization will initialize some driver and components as following
  * order:
  * rti_start         --> 0
  * BOARD_EXPORT      --> 1
@@ -51,17 +51,17 @@
  * COMPONENT_EXPORT  --> 3
  * FS_EXPORT         --> 4
  * ENV_EXPORT        --> 5
- * APP_EXPORT        --> 6 
- * 
+ * APP_EXPORT        --> 6
+ *
  * rti_end           --> 6.end
  *
- * These automatically initializaiton, the driver or component initial function must 
+ * These automatically initializaiton, the driver or component initial function must
  * be defined with:
  * INIT_BOARD_EXPORT(fn);
  * INIT_DEVICE_EXPORT(fn);
  * ...
  * INIT_APP_EXPORT(fn);
- * etc. 
+ * etc.
  */
 static int rti_start(void)
 {
@@ -155,11 +155,11 @@ int $Sub$$main(void)
 #elif defined(__ICCARM__)
 extern int main(void);
 /* __low_level_init will auto called by IAR cstartup */
-extern void __iar_data_init3( void );
+extern void __iar_data_init3(void);
 int __low_level_init(void)
 {
-	// call IAR table copy function.
-	__iar_data_init3();
+    // call IAR table copy function.
+    __iar_data_init3();
     rt_hw_interrupt_disable();
     rtthread_startup();
     return 0;
@@ -221,7 +221,7 @@ void rt_application_init(void)
 
 int rtthread_startup(void)
 {
-	rt_hw_interrupt_disable();
+    rt_hw_interrupt_disable();
 
     /* board level initalization
      * NOTE: please initialize heap inside board initialization.

src/idle.c

@@ -55,7 +55,7 @@ static void (*rt_thread_idle_hook)();
 
 /**
  * @ingroup Hook
- * This function sets a hook function to idle thread loop. When the system performs 
+ * This function sets a hook function to idle thread loop. When the system performs
  * idle loop, this hook function should be invoked.
  *
  * @param hook the specified hook function
@@ -77,7 +77,7 @@ rt_inline int _has_defunct_thread(void)
      * into a "if".
      *
      * So add the volatile qualifier here. */
-    const volatile rt_list_t *l = (const volatile rt_list_t*)&rt_thread_defunct;
+    const volatile rt_list_t *l = (const volatile rt_list_t *)&rt_thread_defunct;
 
     return l->next != l;
 }
@@ -155,8 +155,8 @@ void rt_thread_idle_excute(void)
             rt_module_free((rt_module_t)thread->module_id, thread->stack_addr);
         else
 #endif
-        /* release thread's stack */
-        RT_KERNEL_FREE(thread->stack_addr);
+            /* release thread's stack */
+            RT_KERNEL_FREE(thread->stack_addr);
         /* delete thread object */
         rt_object_delete((rt_object_t)thread);
 #endif
@@ -185,12 +185,12 @@ static void rt_thread_idle_entry(void *parameter)
 {
     while (1)
     {
-    #ifdef RT_USING_IDLE_HOOK
+#ifdef RT_USING_IDLE_HOOK
         if (rt_thread_idle_hook != RT_NULL)
         {
             rt_thread_idle_hook();
         }
-    #endif
+#endif
 
         rt_thread_idle_excute();
     }

src/ipc.c

@@ -1382,8 +1382,8 @@ rt_err_t rt_mb_delete(rt_mailbox_t mb)
     else
 #endif
 
-    /* free mailbox pool */
-    RT_KERNEL_FREE(mb->msg_pool);
+        /* free mailbox pool */
+        RT_KERNEL_FREE(mb->msg_pool);
 
     /* delete mailbox object */
     rt_object_delete(&(mb->parent.parent));
@@ -1775,7 +1775,7 @@ rt_err_t rt_mq_init(rt_mq_t     mq,
     for (temp = 0; temp < mq->max_msgs; temp ++)
     {
         head = (struct rt_mq_message *)((rt_uint8_t *)mq->msg_pool +
-            temp * (mq->msg_size + sizeof(struct rt_mq_message)));
+                                        temp * (mq->msg_size + sizeof(struct rt_mq_message)));
         head->next = mq->msg_queue_free;
         mq->msg_queue_free = head;
     }
@@ -1849,7 +1849,7 @@ rt_mq_t rt_mq_create(const char *name,
     mq->max_msgs = max_msgs;
 
     /* allocate message pool */
-    mq->msg_pool = RT_KERNEL_MALLOC((mq->msg_size + sizeof(struct rt_mq_message))* mq->max_msgs);
+    mq->msg_pool = RT_KERNEL_MALLOC((mq->msg_size + sizeof(struct rt_mq_message)) * mq->max_msgs);
     if (mq->msg_pool == RT_NULL)
     {
         rt_mq_delete(mq);
@@ -1866,7 +1866,7 @@ rt_mq_t rt_mq_create(const char *name,
     for (temp = 0; temp < mq->max_msgs; temp ++)
     {
         head = (struct rt_mq_message *)((rt_uint8_t *)mq->msg_pool +
-               temp * (mq->msg_size + sizeof(struct rt_mq_message)));
+                                        temp * (mq->msg_size + sizeof(struct rt_mq_message)));
         head->next = mq->msg_queue_free;
         mq->msg_queue_free = head;
     }
@@ -1902,8 +1902,8 @@ rt_err_t rt_mq_delete(rt_mq_t mq)
     else
 #endif
 
-    /* free message queue pool */
-    RT_KERNEL_FREE(mq->msg_pool);
+        /* free message queue pool */
+        RT_KERNEL_FREE(mq->msg_pool);
 
     /* delete message queue object */
     rt_object_delete(&(mq->parent.parent));
@@ -1942,7 +1942,7 @@ rt_err_t rt_mq_send(rt_mq_t mq, void *buffer, rt_size_t size)
     temp = rt_hw_interrupt_disable();
 
     /* get a free list, there must be an empty item */
-    msg = (struct rt_mq_message*)mq->msg_queue_free;
+    msg = (struct rt_mq_message *)mq->msg_queue_free;
     /* message queue is full */
     if (msg == RT_NULL)
     {

src/kservice.c

@@ -118,7 +118,7 @@ int *_rt_errno(void)
 
     tid = rt_thread_self();
     if (tid != RT_NULL)
-        return (int *)&(tid->error);
+        return (int *) & (tid->error);
 
     return (int *)&_errno;
 }
@@ -464,9 +464,9 @@ rt_int32_t rt_strcmp(const char *cs, const char *ct)
 RTM_EXPORT(rt_strcmp);
 /**
  * The  strnlen()  function  returns the number of characters in the
- * string pointed to by s, excluding the terminating null byte ('\0'), 
- * but at most maxlen.  In doing this, strnlen() looks only at the 
- * first maxlen characters in the string pointed to by s and never 
+ * string pointed to by s, excluding the terminating null byte ('\0'),
+ * but at most maxlen.  In doing this, strnlen() looks only at the
+ * first maxlen characters in the string pointed to by s and never
  * beyond s+maxlen.
  *
  * @param s the string
@@ -547,13 +547,13 @@ rt_inline rt_int32_t divide(rt_int32_t *n, rt_int32_t base)
     /* optimized for processor which does not support divide instructions. */
     if (base == 10)
     {
-        res = ((rt_uint32_t)*n) % 10U;
-        *n = ((rt_uint32_t)*n) / 10U;
+        res = ((rt_uint32_t) * n) % 10U;
+        *n = ((rt_uint32_t) * n) / 10U;
     }
     else
     {
-        res = ((rt_uint32_t)*n) % 16U;
-        *n = ((rt_uint32_t)*n) / 16U;
+        res = ((rt_uint32_t) * n) % 16U;
+        *n = ((rt_uint32_t) * n) / 16U;
     }
 
     return res;
@@ -561,7 +561,7 @@ rt_inline rt_int32_t divide(rt_int32_t *n, rt_int32_t base)
 
 rt_inline int skip_atoi(const char **s)
 {
-    register int i=0;
+    register int i = 0;
     while (isdigit(**s))
         i = i * 10 + *((*s)++) - '0';
 
@@ -640,7 +640,7 @@ static char *print_number(char *buf,
 
     i = 0;
     if (num == 0)
-        tmp[i++]='0';
+        tmp[i++] = '0';
     else
     {
         while (num != 0)
@@ -655,12 +655,12 @@ static char *print_number(char *buf,
     size -= i;
 #endif
 
-    if (!(type&(ZEROPAD | LEFT)))
+    if (!(type & (ZEROPAD | LEFT)))
     {
-        if ((sign)&&(size>0))
+        if ((sign) && (size > 0))
             size--;
 
-        while (size-->0)
+        while (size-- > 0)
         {
             if (buf <= end)
                 *buf = ' ';
@@ -681,7 +681,7 @@ static char *print_number(char *buf,
 #ifdef RT_PRINTF_SPECIAL
     if (type & SPECIAL)
     {
-        if (base==8)
+        if (base == 8)
         {
             if (buf <= end)
                 *buf = '0';
@@ -694,7 +694,7 @@ static char *print_number(char *buf,
             ++ buf;
             if (buf <= end)
             {
-                *buf = type & LARGE? 'X' : 'x';
+                *buf = type & LARGE ? 'X' : 'x';
             }
             ++ buf;
         }
@@ -768,7 +768,7 @@ rt_int32_t rt_vsnprintf(char       *buf,
     /* Make sure end is always >= buf */
     if (end < buf)
     {
-        end  = ((char *)-1);
+        end  = ((char *) - 1);
         size = end - buf;
     }
 
@@ -929,7 +929,7 @@ rt_int32_t rt_vsnprintf(char       *buf,
             ++ str;
             continue;
 
-            /* integer number formats - set up the flags and "break" */
+        /* integer number formats - set up the flags and "break" */
         case 'o':
             base = 8;
             break;
@@ -1028,7 +1028,7 @@ RTM_EXPORT(rt_snprintf);
  */
 rt_int32_t rt_vsprintf(char *buf, const char *format, va_list arg_ptr)
 {
-    return rt_vsnprintf(buf, (rt_size_t) -1, format, arg_ptr);
+    return rt_vsnprintf(buf, (rt_size_t) - 1, format, arg_ptr);
 }
 RTM_EXPORT(rt_vsprintf);
 
@@ -1044,7 +1044,7 @@ rt_int32_t rt_sprintf(char *buf, const char *format, ...)
     va_list arg_ptr;
 
     va_start(arg_ptr, format);
-    n = rt_vsprintf(buf ,format, arg_ptr);
+    n = rt_vsprintf(buf, format, arg_ptr);
     va_end(arg_ptr);
 
     return n;
@@ -1183,7 +1183,7 @@ RTM_EXPORT(rt_kprintf);
  *
  * @return the allocated memory block on successful, otherwise returns RT_NULL
  */
-void* rt_malloc_align(rt_size_t size, rt_size_t align)
+void *rt_malloc_align(rt_size_t size, rt_size_t align)
 {
     void *align_ptr;
     void *ptr;
@@ -1198,7 +1198,7 @@ void* rt_malloc_align(rt_size_t size, rt_size_t align)
     ptr = rt_malloc(align_size);
     if (ptr != RT_NULL)
     {
-         /* the allocated memory block is aligned */
+        /* the allocated memory block is aligned */
         if (((rt_uint32_t)ptr & (align - 1)) == 0)
         {
             align_ptr = (void *)((rt_uint32_t)ptr + align);
@@ -1228,7 +1228,7 @@ void rt_free_align(void *ptr)
 {
     void *real_ptr;
 
-    real_ptr = (void *)*(rt_uint32_t *)((rt_uint32_t)ptr - sizeof(void *));
+    real_ptr = (void *) * (rt_uint32_t *)((rt_uint32_t)ptr - sizeof(void *));
     rt_free(real_ptr);
 }
 RTM_EXPORT(rt_free_align);
@@ -1284,13 +1284,14 @@ rt_ubase_t __rt_ffs(rt_ubase_t value)
 
 #ifdef RT_DEBUG
 /* RT_ASSERT(EX)'s hook */
-void (*rt_assert_hook)(const char* ex, const char* func, rt_size_t line);
+void (*rt_assert_hook)(const char *ex, const char *func, rt_size_t line);
 /**
  * This function will set a hook function to RT_ASSERT(EX). It will run when the expression is false.
  *
  * @param hook the hook function
  */
-void rt_assert_set_hook(void (*hook)(const char* ex, const char* func, rt_size_t line)) {
+void rt_assert_set_hook(void (*hook)(const char *ex, const char *func, rt_size_t line))
+{
     rt_assert_hook = hook;
 }
 
@@ -1301,30 +1302,30 @@ void rt_assert_set_hook(void (*hook)(const char* ex, const char* func, rt_size_t
  * @param func the function name when assertion.
  * @param line the file line number when assertion.
  */
-void rt_assert_handler(const char* ex_string, const char* func, rt_size_t line)
+void rt_assert_handler(const char *ex_string, const char *func, rt_size_t line)
 {
     volatile char dummy = 0;
 
     if (rt_assert_hook == RT_NULL)
     {
 #ifdef RT_USING_MODULE
-		if (rt_module_self() != RT_NULL)
-		{
-			/* unload assertion module */
-			rt_module_unload(rt_module_self());
-
-			/* re-schedule */
-			rt_schedule();
-		}
-		else
+        if (rt_module_self() != RT_NULL)
+        {
+            /* unload assertion module */
+            rt_module_unload(rt_module_self());
+
+            /* re-schedule */
+            rt_schedule();
+        }
+        else
 #endif
-		{
-	        rt_kprintf("(%s) assertion failed at function:%s, line number:%d \n", ex_string, func, line);
-	        while (dummy == 0);
-		}
+        {
+            rt_kprintf("(%s) assertion failed at function:%s, line number:%d \n", ex_string, func, line);
+            while (dummy == 0);
+        }
     }
-	else
-	{
+    else
+    {
         rt_assert_hook(ex_string, func, line);
     }
 }
@@ -1339,7 +1340,7 @@ void *memmove(void *dest, const void *src, size_t n) __attribute__((weak, alias(
 int   memcmp(const void *s1, const void *s2, size_t n) __attribute__((weak, alias("rt_memcmp")));
 
 size_t strlen(const char *s) __attribute__((weak, alias("rt_strlen")));
-char *strstr(const char *s1,const char *s2) __attribute__((weak, alias("rt_strstr")));
+char *strstr(const char *s1, const char *s2) __attribute__((weak, alias("rt_strstr")));
 int strcasecmp(const char *a, const char *b) __attribute__((weak, alias("rt_strcasecmp")));
 char *strncpy(char *dest, const char *src, size_t n) __attribute__((weak, alias("rt_strncpy")));
 int strncmp(const char *cs, const char *ct, size_t count) __attribute__((weak, alias("rt_strncmp")));

src/mem.c

@@ -335,7 +335,7 @@ void *rt_malloc(rt_size_t size)
                  */
                 mem->used = 1;
 #ifdef RT_MEM_STATS
-                used_mem += mem->next - ((rt_uint8_t*)mem - heap_ptr);
+                used_mem += mem->next - ((rt_uint8_t *)mem - heap_ptr);
                 if (max_mem < used_mem)
                     max_mem = used_mem;
 #endif
@@ -355,7 +355,7 @@ void *rt_malloc(rt_size_t size)
             rt_sem_release(&heap_sem);
             RT_ASSERT((rt_uint32_t)mem + SIZEOF_STRUCT_MEM + size <= (rt_uint32_t)heap_end);
             RT_ASSERT((rt_uint32_t)((rt_uint8_t *)mem + SIZEOF_STRUCT_MEM) % RT_ALIGN_SIZE == 0);
-            RT_ASSERT((((rt_uint32_t)mem) & (RT_ALIGN_SIZE-1)) == 0);
+            RT_ASSERT((((rt_uint32_t)mem) & (RT_ALIGN_SIZE - 1)) == 0);
 
             RT_DEBUG_LOG(RT_DEBUG_MEM,
                          ("allocate memory at 0x%x, size: %d\n",
@@ -443,7 +443,7 @@ void *rt_realloc(void *rmem, rt_size_t newsize)
 
         ptr2 = ptr + SIZEOF_STRUCT_MEM + newsize;
         mem2 = (struct heap_mem *)&heap_ptr[ptr2];
-        mem2->magic= HEAP_MAGIC;
+        mem2->magic = HEAP_MAGIC;
         mem2->used = 0;
         mem2->next = mem->next;
         mem2->prev = ptr;
@@ -516,7 +516,7 @@ void rt_free(void *rmem)
 
     if (rmem == RT_NULL)
         return;
-    RT_ASSERT((((rt_uint32_t)rmem) & (RT_ALIGN_SIZE-1)) == 0);
+    RT_ASSERT((((rt_uint32_t)rmem) & (RT_ALIGN_SIZE - 1)) == 0);
     RT_ASSERT((rt_uint8_t *)rmem >= (rt_uint8_t *)heap_ptr &&
               (rt_uint8_t *)rmem < (rt_uint8_t *)heap_end);
 
@@ -556,7 +556,7 @@ void rt_free(void *rmem)
     }
 
 #ifdef RT_MEM_STATS
-    used_mem -= (mem->next - ((rt_uint8_t*)mem - heap_ptr));
+    used_mem -= (mem->next - ((rt_uint8_t *)mem - heap_ptr));
 #endif
 
     /* finally, see if prev or next are free also */

src/memheap.c

@@ -96,7 +96,7 @@ rt_err_t rt_memheap_init(struct rt_memheap *memheap,
     item->prev_free = item;
 
     item->next = (struct rt_memheap_item *)
-        ((rt_uint8_t *)item + memheap->available_size + RT_MEMHEAP_SIZE);
+                 ((rt_uint8_t *)item + memheap->available_size + RT_MEMHEAP_SIZE);
     item->prev = item->next;
 
     /* block list header */
@@ -315,10 +315,10 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
     header_ptr = (struct rt_memheap_item *)
                  ((rt_uint8_t *)ptr - RT_MEMHEAP_SIZE);
     oldsize = MEMITEM_SIZE(header_ptr);
-     /* re-allocate memory */
+    /* re-allocate memory */
     if (newsize > oldsize)
     {
-        void* new_ptr;
+        void *new_ptr;
         struct rt_memheap_item *next_ptr;
 
         /* lock memheap */
@@ -371,7 +371,7 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
                 next_ptr->prev->next = next_ptr->next;
 
                 /* build a new one on the right place */
-                next_ptr = (struct rt_memheap_item*)((char*)ptr + newsize);
+                next_ptr = (struct rt_memheap_item *)((char *)ptr + newsize);
 
                 RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
                              ("new free block: block[0x%08x] nextm[0x%08x] prevm[0x%08x]",
@@ -410,7 +410,7 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
         rt_sem_release(&(heap->lock));
 
         /* re-allocate a memory block */
-        new_ptr = (void*)rt_memheap_alloc(heap, newsize);
+        new_ptr = (void *)rt_memheap_alloc(heap, newsize);
         if (new_ptr != RT_NULL)
         {
             rt_memcpy(new_ptr, ptr, oldsize < newsize ? oldsize : newsize);
@@ -503,8 +503,8 @@ void rt_memheap_free(void *ptr)
     struct rt_memheap_item *header_ptr, *new_ptr;
     rt_uint32_t insert_header;
 
-	/* NULL check */
-	if (ptr == RT_NULL) return;
+    /* NULL check */
+    if (ptr == RT_NULL) return;
 
     /* set initial status as OK */
     insert_header = 1;
@@ -610,7 +610,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
 
 void *rt_malloc(rt_size_t size)
 {
-    void* ptr;
+    void *ptr;
 
     /* try to allocate in system heap */
     ptr = rt_memheap_alloc(&_heap, size);

src/mempool.c

@@ -299,8 +299,8 @@ rt_err_t rt_mp_delete(rt_mp_t mp)
     else
 #endif
 
-    /* release allocated room */
-    rt_free(mp->start_address);
+        /* release allocated room */
+        rt_free(mp->start_address);
 
     /* detach object */
     rt_object_delete(&(mp->parent));

src/module.c

@@ -138,7 +138,7 @@ void list_symbol(void)
          index != _rt_module_symtab_end;
          index ++)
     {
-    	rt_kprintf("%s\n", index->name);
+        rt_kprintf("%s\n", index->name);
     }
 
     return ;
@@ -259,10 +259,10 @@ static int rt_module_arm_relocate(struct rt_module *module,
         j1     = (lower >> 13) & 1;
         j2     = (lower >> 11) & 1;
         offset = (sign << 24) |
-            ((~(j1 ^ sign) & 1) << 23) |
-            ((~(j2 ^ sign) & 1) << 22) |
-            ((upper & 0x03ff) << 12) |
-            ((lower & 0x07ff) << 1);
+                 ((~(j1 ^ sign) & 1) << 23) |
+                 ((~(j2 ^ sign) & 1) << 22) |
+                 ((upper & 0x03ff) << 12) |
+                 ((lower & 0x07ff) << 1);
         if (offset & 0x01000000)
             offset -= 0x02000000;
         offset += sym_val - (Elf32_Addr)where;
@@ -517,7 +517,7 @@ static struct rt_module *_load_shared_object(const char *name,
 
     /* set module entry */
     module->module_entry = module->module_space
-        + elf_module->e_entry - vstart_addr;
+                           + elf_module->e_entry - vstart_addr;
 
     /* handle relocation section */
     for (index = 0; index < elf_module->e_shnum; index ++)
@@ -538,7 +538,7 @@ static struct rt_module *_load_shared_object(const char *name,
         symtab = (Elf32_Sym *)((rt_uint8_t *)module_ptr +
                                shdr[shdr[index].sh_link].sh_offset);
         strtab = (rt_uint8_t *)module_ptr +
-            shdr[shdr[shdr[index].sh_link].sh_link].sh_offset;
+                 shdr[shdr[shdr[index].sh_link].sh_link].sh_offset;
         nr_reloc = (rt_uint32_t)(shdr[index].sh_size / sizeof(Elf32_Rel));
 
         /* relocate every items */
@@ -555,7 +555,7 @@ static struct rt_module *_load_shared_object(const char *name,
 #ifdef MODULE_USING_386
                 || ( (ELF_ST_BIND(sym->st_info) == STB_GLOBAL) && (ELF_ST_TYPE(sym->st_info) == STT_OBJECT) )
 #endif
-				)
+               )
             {
                 rt_module_arm_relocate(module, rel,
                                        (Elf32_Addr)(module->module_space
@@ -597,7 +597,7 @@ static struct rt_module *_load_shared_object(const char *name,
         /* find .dynsym section */
         rt_uint8_t *shstrab;
         shstrab = (rt_uint8_t *)module_ptr +
-            shdr[elf_module->e_shstrndx].sh_offset;
+                  shdr[elf_module->e_shstrndx].sh_offset;
         if (rt_strcmp((const char *)(shstrab + shdr[index].sh_name), ELF_DYNSYM) == 0)
             break;
     }
@@ -609,10 +609,10 @@ static struct rt_module *_load_shared_object(const char *name,
         Elf32_Sym  *symtab = RT_NULL;
         rt_uint8_t *strtab = RT_NULL;
 
-        symtab =(Elf32_Sym *)((rt_uint8_t *)module_ptr + shdr[index].sh_offset);
+        symtab = (Elf32_Sym *)((rt_uint8_t *)module_ptr + shdr[index].sh_offset);
         strtab = (rt_uint8_t *)module_ptr + shdr[shdr[index].sh_link].sh_offset;
 
-        for (i = 0; i < shdr[index].sh_size/sizeof(Elf32_Sym); i++)
+        for (i = 0; i < shdr[index].sh_size / sizeof(Elf32_Sym); i++)
         {
             if ((ELF_ST_BIND(symtab[i].st_info) == STB_GLOBAL) &&
                 (ELF_ST_TYPE(symtab[i].st_info) == STT_FUNC))
@@ -620,9 +620,9 @@ static struct rt_module *_load_shared_object(const char *name,
         }
 
         module->symtab = (struct rt_module_symtab *)rt_malloc
-            (count * sizeof(struct rt_module_symtab));
+                         (count * sizeof(struct rt_module_symtab));
         module->nsym = count;
-        for (i = 0, count = 0; i < shdr[index].sh_size/sizeof(Elf32_Sym); i++)
+        for (i = 0, count = 0; i < shdr[index].sh_size / sizeof(Elf32_Sym); i++)
         {
             rt_size_t length;
 
@@ -686,7 +686,7 @@ static struct rt_module* _load_relocated_object(const char *name,
 
     /* allocate module */
     module = (struct rt_module *)
-        rt_object_allocate(RT_Object_Class_Module, (const char *)name);
+             rt_object_allocate(RT_Object_Class_Module, (const char *)name);
     if (module == RT_NULL)
         return RT_NULL;
 
@@ -777,9 +777,9 @@ static struct rt_module* _load_relocated_object(const char *name,
         symtab   = (Elf32_Sym *)((rt_uint8_t *)module_ptr +
                                  shdr[shdr[index].sh_link].sh_offset);
         strtab   = (rt_uint8_t *)module_ptr +
-            shdr[shdr[shdr[index].sh_link].sh_link].sh_offset;
+                   shdr[shdr[shdr[index].sh_link].sh_link].sh_offset;
         shstrab  = (rt_uint8_t *)module_ptr +
-            shdr[elf_module->e_shstrndx].sh_offset;
+                   shdr[elf_module->e_shstrndx].sh_offset;
         nr_reloc = (rt_uint32_t)(shdr[index].sh_size / sizeof(Elf32_Rel));
 
         /* relocate every items */
@@ -803,7 +803,7 @@ static struct rt_module* _load_relocated_object(const char *name,
                         rt_module_arm_relocate(module, rel,
                                                (Elf32_Addr)(rodata_addr + sym->st_value));
                     }
-                    else if (rt_strncmp((const char*)
+                    else if (rt_strncmp((const char *)
                                         (shstrab + shdr[sym->st_shndx].sh_name), ELF_BSS, 5) == 0)
                     {
                         /* relocate bss section */
@@ -854,7 +854,7 @@ static struct rt_module* _load_relocated_object(const char *name,
                 else
                 {
                     rt_module_arm_relocate(module, rel,
-                                           (Elf32_Addr)((rt_uint8_t*)
+                                           (Elf32_Addr)((rt_uint8_t *)
                                                         module->module_space
                                                         - module_addr
                                                         + sym->st_value));
@@ -868,7 +868,7 @@ static struct rt_module* _load_relocated_object(const char *name,
 }
 
 #define RT_MODULE_ARG_MAX    8
-static int _rt_module_split_arg(char* cmd, rt_size_t length, char* argv[])
+static int _rt_module_split_arg(char *cmd, rt_size_t length, char *argv[])
 {
     int argc = 0;
     char *ptr = cmd;
@@ -876,10 +876,10 @@ static int _rt_module_split_arg(char* cmd, rt_size_t length, char* argv[])
     while ((ptr - cmd) < length)
     {
         /* strip bank and tab */
-        while ((*ptr == ' ' || *ptr == '\t') && (ptr -cmd)< length)
+        while ((*ptr == ' ' || *ptr == '\t') && (ptr - cmd) < length)
             *ptr++ = '\0';
         /* check whether it's the end of line */
-        if ((ptr - cmd)>= length) break;
+        if ((ptr - cmd) >= length) break;
 
         /* handle string with quote */
         if (*ptr == '"')
@@ -887,7 +887,7 @@ static int _rt_module_split_arg(char* cmd, rt_size_t length, char* argv[])
             argv[argc++] = ++ptr;
 
             /* skip this string */
-            while (*ptr != '"' && (ptr-cmd) < length)
+            while (*ptr != '"' && (ptr - cmd) < length)
                 if (*ptr ++ == '\\')  ptr ++;
             if ((ptr - cmd) >= length) break;
 
@@ -908,11 +908,11 @@ static int _rt_module_split_arg(char* cmd, rt_size_t length, char* argv[])
 }
 
 /* module main thread entry */
-static void module_main_entry(void* parameter)
+static void module_main_entry(void *parameter)
 {
     int argc;
     char *argv[RT_MODULE_ARG_MAX];
-    typedef int (*main_func_t)(int argc, char** argv);
+    typedef int (*main_func_t)(int argc, char **argv);
 
     rt_module_t module = (rt_module_t) parameter;
     if (module == RT_NULL)
@@ -934,7 +934,7 @@ static void module_main_entry(void* parameter)
     }
 
     rt_memset(argv, 0x00, sizeof(argv));
-    argc = _rt_module_split_arg((char*)module->module_cmd_line,
+    argc = _rt_module_split_arg((char *)module->module_cmd_line,
                                 module->module_cmd_size, argv);
     if (argc == 0)
         return;
@@ -948,19 +948,19 @@ static void module_main_entry(void* parameter)
 }
 
 /**
- * This function will load a module with a main function from memory and create a 
+ * This function will load a module with a main function from memory and create a
  * main thread for it
  *
  * @param name the name of module, which shall be unique
  * @param module_ptr the memory address of module image
  * @argc the count of argument
- * @argd the argument data, which should be a 
+ * @argd the argument data, which should be a
  *
  * @return the module object
  */
 rt_module_t rt_module_do_main(const char *name,
                               void *module_ptr,
-                              const char* cmd_line,
+                              const char *cmd_line,
                               int line_size)
 {
     rt_module_t module;
@@ -1010,7 +1010,7 @@ rt_module_t rt_module_do_main(const char *name,
     if (line_size && cmd_line)
     {
         /* set module argument */
-        module->module_cmd_line = (rt_uint8_t*)rt_malloc(line_size + 1);
+        module->module_cmd_line = (rt_uint8_t *)rt_malloc(line_size + 1);
         if (module->module_cmd_line)
         {
             rt_memcpy(module->module_cmd_line, cmd_line, line_size);
@@ -1088,7 +1088,7 @@ rt_module_t rt_module_load(const char *name, void *module_ptr)
 #ifdef RT_USING_DFS
 #include <dfs_posix.h>
 
-static char* _module_name(const char *path)
+static char *_module_name(const char *path)
 {
     const char *first, *end, *ptr;
     char *name;
@@ -1136,7 +1136,7 @@ rt_module_t rt_module_open(const char *path)
     /* check parameters */
     RT_ASSERT(path != RT_NULL);
 
-    if (stat(path, &s) !=0)
+    if (stat(path, &s) != 0)
     {
         rt_kprintf("Module: access %s failed\n", path);
 
@@ -1197,7 +1197,7 @@ rt_module_t rt_module_open(const char *path)
  *
  * @return the module object
  */
-rt_module_t rt_module_exec_cmd(const char *path, const char* cmd_line, int size)
+rt_module_t rt_module_exec_cmd(const char *path, const char *cmd_line, int size)
 {
     struct stat s;
     int fd, length;
@@ -1212,7 +1212,7 @@ rt_module_t rt_module_exec_cmd(const char *path, const char* cmd_line, int size)
     RT_ASSERT(path != RT_NULL);
 
     /* get file size */
-    if (stat(path, &s) !=0)
+    if (stat(path, &s) != 0)
     {
         rt_kprintf("Module: access %s failed\n", path);
         goto __exit;
@@ -1649,7 +1649,7 @@ static void rt_module_free_page(rt_module_t module,
             }
             else if (page[i].npage == npages)
             {
-                for (index = i; index < module->page_cnt-1; index ++)
+                for (index = i; index < module->page_cnt - 1; index ++)
                 {
                     page[index].page_ptr = page[index + 1].page_ptr;
                     page[index].npage    = page[index + 1].npage;
@@ -1688,8 +1688,8 @@ void *rt_module_malloc(rt_size_t size)
     RT_DEBUG_NOT_IN_INTERRUPT;
 
     nunits = (size + sizeof(struct rt_mem_head) - 1) /
-        sizeof(struct rt_mem_head)
-        + 1;
+             sizeof(struct rt_mem_head)
+             + 1;
 
     RT_ASSERT(size != 0);
     RT_ASSERT(nunits != 0);
@@ -1732,7 +1732,7 @@ void *rt_module_malloc(rt_size_t size)
 
     /* allocate pages from system heap */
     npage = (size + sizeof(struct rt_mem_head) + RT_MM_PAGE_SIZE - 1) /
-        RT_MM_PAGE_SIZE;
+            RT_MM_PAGE_SIZE;
     if ((up = (struct rt_mem_head *)rt_module_malloc_page(npage)) == RT_NULL)
         return RT_NULL;
 
@@ -1765,7 +1765,7 @@ void rt_module_free(rt_module_t module, void *addr)
     RT_DEBUG_NOT_IN_INTERRUPT;
 
     RT_ASSERT(addr);
-    RT_ASSERT((((rt_uint32_t)addr) & (sizeof(struct rt_mem_head) -1)) == 0);
+    RT_ASSERT((((rt_uint32_t)addr) & (sizeof(struct rt_mem_head) - 1)) == 0);
 
     RT_DEBUG_LOG(RT_DEBUG_MODULE, ("rt_module_free 0x%x\n", addr));
 
@@ -1798,8 +1798,8 @@ void rt_module_free(rt_module_t module, void *addr)
                     if ((b->size * sizeof(struct rt_page_info) % RT_MM_PAGE_SIZE) != 0)
                     {
                         rt_size_t nunits = npage *
-                            RT_MM_PAGE_SIZE /
-                            sizeof(struct rt_mem_head);
+                                           RT_MM_PAGE_SIZE /
+                                           sizeof(struct rt_mem_head);
                         /* split memory */
                         r       = b + nunits;
                         r->next = b->next;
@@ -1835,8 +1835,8 @@ void rt_module_free(rt_module_t module, void *addr)
                     if ((n->size * sizeof(struct rt_page_info) % RT_MM_PAGE_SIZE) != 0)
                     {
                         rt_size_t nunits = npage *
-                            RT_MM_PAGE_SIZE /
-                            sizeof(struct rt_mem_head);
+                                           RT_MM_PAGE_SIZE /
+                                           sizeof(struct rt_mem_head);
                         /* split memory */
                         r       = n + nunits;
                         r->next = n->next;
@@ -1921,8 +1921,8 @@ void *rt_module_realloc(void *ptr, rt_size_t size)
     }
 
     nunits = (size + sizeof(struct rt_mem_head) - 1) /
-        sizeof(struct rt_mem_head)
-        +1;
+             sizeof(struct rt_mem_head)
+             + 1;
     b = (struct rt_mem_head *)ptr - 1;
 
     if (nunits <= b->size)
@@ -1984,7 +1984,7 @@ void *rt_module_realloc(void *ptr, rt_size_t size)
         {
             if ((p = rt_module_malloc(size)) == RT_NULL)
                 return RT_NULL;
-            rt_memmove(p, (b+1), ((b->size) * sizeof(struct rt_mem_head)));
+            rt_memmove(p, (b + 1), ((b->size) * sizeof(struct rt_mem_head)));
             rt_module_free(self_module, (void *)(b + 1));
 
             return (void *)(p);

src/object.c

@@ -211,7 +211,7 @@ void rt_object_init(struct rt_object         *object,
 #ifdef RT_USING_MODULE
     /* get module object information */
     information = (rt_module_self() != RT_NULL) ?
-        &rt_module_self()->module_object[type] : &rt_object_container[type];
+                  &rt_module_self()->module_object[type] : &rt_object_container[type];
 #else
     /* get object information */
     information = &rt_object_container[type];
@@ -362,8 +362,8 @@ void rt_object_delete(rt_object_t object)
     else
 #endif
 
-    /* free the memory of object */
-    RT_KERNEL_FREE(object);
+        /* free the memory of object */
+        RT_KERNEL_FREE(object);
 }
 #endif
 
@@ -424,7 +424,7 @@ rt_object_t rt_object_find(const char *name, rt_uint8_t type)
 
         if (*name_ptr == '/')
         {
-            struct rt_module* module = RT_NULL;
+            struct rt_module *module = RT_NULL;
 
             /* get the name length of module */
             module_name_length = name_ptr - name;
@@ -435,15 +435,15 @@ 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;
-                node != &(information->object_list);
-                node  = node->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'))
                 {
                     /* get module */
-                    module = (struct rt_module*)object;
+                    module = (struct rt_module *)object;
                     break;
                 }
             }

src/scheduler.c

@@ -90,19 +90,19 @@ static void _rt_scheduler_stack_check(struct rt_thread *thread)
     RT_ASSERT(thread != RT_NULL);
 
     if (*((rt_uint8_t *)thread->stack_addr) != '#' ||
-	(rt_uint32_t)thread->sp <= (rt_uint32_t)thread->stack_addr ||
+        (rt_uint32_t)thread->sp <= (rt_uint32_t)thread->stack_addr ||
         (rt_uint32_t)thread->sp >
         (rt_uint32_t)thread->stack_addr + (rt_uint32_t)thread->stack_size)
     {
         rt_uint32_t level;
 
         rt_kprintf("thread:%s stack overflow\n", thread->name);
-        #ifdef RT_USING_FINSH
+#ifdef RT_USING_FINSH
         {
             extern long list_thread(void);
             list_thread();
         }
-        #endif
+#endif
         level = rt_hw_interrupt_disable();
         while (level);
     }

src/slab.c

@@ -222,8 +222,8 @@ static int zone_page_cnt;
 #define PAGE_TYPE_LARGE     0x02
 struct memusage
 {
-    rt_uint32_t type:2 ;        /* page type */
-    rt_uint32_t size:30;        /* pages allocated or offset from zone */
+    rt_uint32_t type: 2 ;       /* page type */
+    rt_uint32_t size: 30;       /* pages allocated or offset from zone */
 };
 static struct memusage *memusage = RT_NULL;
 #define btokup(addr)    \
@@ -238,7 +238,7 @@ struct rt_page_head
     rt_size_t page;                 /* number of page  */
 
     /* dummy */
-    char dummy[RT_MM_PAGE_SIZE - (sizeof(struct rt_page_head*) + sizeof (rt_size_t))];
+    char dummy[RT_MM_PAGE_SIZE - (sizeof(struct rt_page_head *) + sizeof(rt_size_t))];
 };
 static struct rt_page_head *rt_page_list;
 static struct rt_semaphore heap_sem;
@@ -248,7 +248,7 @@ void *rt_page_alloc(rt_size_t npages)
     struct rt_page_head *b, *n;
     struct rt_page_head **prev;
 
-    if(npages == 0)
+    if (npages == 0)
         return RT_NULL;
 
     /* lock heap */
@@ -383,7 +383,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
 
     /* calculate zone size */
     zone_size = ZALLOC_MIN_ZONE_SIZE;
-    while (zone_size < ZALLOC_MAX_ZONE_SIZE && (zone_size << 1) < (limsize/1024))
+    while (zone_size < ZALLOC_MAX_ZONE_SIZE && (zone_size << 1) < (limsize / 1024))
         zone_size <<= 1;
 
     zone_limit = zone_size / 4;
@@ -398,7 +398,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
     /* allocate memusage array */
     limsize  = npages * sizeof(struct memusage);
     limsize  = RT_ALIGN(limsize, RT_MM_PAGE_SIZE);
-    memusage = rt_page_alloc(limsize/RT_MM_PAGE_SIZE);
+    memusage = rt_page_alloc(limsize / RT_MM_PAGE_SIZE);
 
     RT_DEBUG_LOG(RT_DEBUG_SLAB, ("memusage 0x%x, size 0x%x\n",
                                  (rt_uint32_t)memusage, limsize));
@@ -411,20 +411,20 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
 rt_inline int zoneindex(rt_uint32_t *bytes)
 {
     /* unsigned for shift opt */
-    rt_uint32_t n = (rt_uint32_t)*bytes;
+    rt_uint32_t n = (rt_uint32_t) * bytes;
 
     if (n < 128)
     {
         *bytes = n = (n + 7) & ~7;
 
         /* 8 byte chunks, 16 zones */
-        return(n / 8 - 1);
+        return (n / 8 - 1);
     }
     if (n < 256)
     {
         *bytes = n = (n + 15) & ~15;
 
-        return(n / 16 + 7);
+        return (n / 16 + 7);
     }
     if (n < 8192)
     {
@@ -432,35 +432,35 @@ rt_inline int zoneindex(rt_uint32_t *bytes)
         {
             *bytes = n = (n + 31) & ~31;
 
-            return(n / 32 + 15);
+            return (n / 32 + 15);
         }
         if (n < 1024)
         {
             *bytes = n = (n + 63) & ~63;
 
-            return(n / 64 + 23);
+            return (n / 64 + 23);
         }
         if (n < 2048)
         {
             *bytes = n = (n + 127) & ~127;
 
-            return(n / 128 + 31);
+            return (n / 128 + 31);
         }
         if (n < 4096)
         {
             *bytes = n = (n + 255) & ~255;
 
-            return(n / 256 + 39);
+            return (n / 256 + 39);
         }
         *bytes = n = (n + 511) & ~511;
 
-        return(n / 512 + 47);
+        return (n / 512 + 47);
     }
     if (n < 16384)
     {
         *bytes = n = (n + 1023) & ~1023;
 
-        return(n / 1024 + 55);
+        return (n / 1024 + 55);
     }
 
     rt_kprintf("Unexpected byte count %d", n);
@@ -737,7 +737,7 @@ void *rt_realloc(void *ptr, rt_size_t size)
 
         zoneindex(&size);
         if (z->z_chunksize == size)
-            return(ptr); /* same chunk */
+            return (ptr); /* same chunk */
 
         /*
          * Allocate memory for the new request size.  Note that zoneindex has
@@ -803,7 +803,7 @@ void rt_free(void *ptr)
     RT_OBJECT_HOOK_CALL(rt_free_hook, (ptr));
 
 #ifdef RT_USING_MODULE
-    if(rt_module_self() != RT_NULL)
+    if (rt_module_self() != RT_NULL)
     {
         rt_module_free(rt_module_self(), ptr);
 

src/thread.c

@@ -55,7 +55,7 @@ static void (*rt_thread_inited_hook) (rt_thread_t thread);
 
 /**
  * @ingroup Hook
- * This function sets a hook function when the system suspend a thread. 
+ * This function sets a hook function when the system suspend a thread.
  *
  * @param hook the specified hook function
  *
@@ -68,7 +68,7 @@ void rt_thread_suspend_sethook(void (*hook)(rt_thread_t thread))
 
 /**
  * @ingroup Hook
- * This function sets a hook function when the system resume a thread. 
+ * This function sets a hook function when the system resume a thread.
  *
  * @param hook the specified hook function
  *
@@ -81,13 +81,13 @@ void rt_thread_resume_sethook(void (*hook)(rt_thread_t thread))
 
 /**
  * @ingroup Hook
- * This function sets a hook function when a thread is initialized. 
+ * This function sets a hook function when a thread is initialized.
  *
  * @param hook the specified hook function
  */
 void rt_thread_inited_sethook(void (*hook)(rt_thread_t thread))
 {
-	rt_thread_inited_hook = hook;
+    rt_thread_inited_hook = hook;
 }
 
 #endif
@@ -151,8 +151,8 @@ static rt_err_t _rt_thread_init(struct rt_thread *thread,
     /* init thread stack */
     rt_memset(thread->stack_addr, '#', thread->stack_size);
     thread->sp = (void *)rt_hw_stack_init(thread->entry, thread->parameter,
-        (void *)((char *)thread->stack_addr + thread->stack_size - 4),
-        (void *)rt_thread_exit);
+                                          (void *)((char *)thread->stack_addr + thread->stack_size - 4),
+                                          (void *)rt_thread_exit);
 
     /* priority init */
     RT_ASSERT(priority < RT_THREAD_PRIORITY_MAX);
@@ -185,7 +185,7 @@ static rt_err_t _rt_thread_init(struct rt_thread *thread,
                   0,
                   RT_TIMER_FLAG_ONE_SHOT);
 
-    RT_OBJECT_HOOK_CALL(rt_thread_inited_hook,(thread));
+    RT_OBJECT_HOOK_CALL(rt_thread_inited_hook, (thread));
 
     return RT_EOK;
 }
@@ -643,7 +643,7 @@ rt_err_t rt_thread_suspend(rt_thread_t thread)
     /* enable interrupt */
     rt_hw_interrupt_enable(temp);
 
-    RT_OBJECT_HOOK_CALL(rt_thread_suspend_hook,(thread));
+    RT_OBJECT_HOOK_CALL(rt_thread_suspend_hook, (thread));
     return RT_EOK;
 }
 RTM_EXPORT(rt_thread_suspend);
@@ -686,7 +686,7 @@ rt_err_t rt_thread_resume(rt_thread_t thread)
     /* insert to schedule ready list */
     rt_schedule_insert_thread(thread);
 
-    RT_OBJECT_HOOK_CALL(rt_thread_resume_hook,(thread));
+    RT_OBJECT_HOOK_CALL(rt_thread_resume_hook, (thread));
     return RT_EOK;
 }
 RTM_EXPORT(rt_thread_resume);

src/timer.c

@@ -28,7 +28,7 @@
  * 2010-05-12     Bernard      fix the timer check bug.
  * 2010-11-02     Charlie      re-implement tick overflow issue
  * 2012-12-15     Bernard      fix the next timeout issue in soft timer
- * 2014-07-12     Bernard      does not lock scheduler when invoking soft-timer 
+ * 2014-07-12     Bernard      does not lock scheduler when invoking soft-timer
  *                             timeout function.
  */
 
@@ -147,13 +147,13 @@ void rt_timer_dump(rt_list_t timer_heads[])
 {
     rt_list_t *list;
 
-    for (list = timer_heads[RT_TIMER_SKIP_LIST_LEVEL-1].next;
-         list != &timer_heads[RT_TIMER_SKIP_LIST_LEVEL-1];
+    for (list = timer_heads[RT_TIMER_SKIP_LIST_LEVEL - 1].next;
+         list != &timer_heads[RT_TIMER_SKIP_LIST_LEVEL - 1];
          list = list->next)
     {
         struct rt_timer *timer = rt_list_entry(list,
                                                struct rt_timer,
-                                               row[RT_TIMER_SKIP_LIST_LEVEL-1]);
+                                               row[RT_TIMER_SKIP_LIST_LEVEL - 1]);
         rt_kprintf("%d", rt_timer_count_height(timer));
     }
     rt_kprintf("\n");
@@ -303,9 +303,9 @@ rt_err_t rt_timer_start(rt_timer_t timer)
     /* timer check */
     RT_ASSERT(timer != RT_NULL);
 
-	/* stop timer firstly */
-	level = rt_hw_interrupt_disable();
-	/* remove timer from list */
+    /* stop timer firstly */
+    level = rt_hw_interrupt_disable();
+    /* remove timer from list */
     _rt_timer_remove(timer);
     /* change status of timer */
     timer->parent.flag &= ~RT_TIMER_FLAG_ACTIVATED;
@@ -339,7 +339,7 @@ rt_err_t rt_timer_start(rt_timer_t timer)
     row_head[0]  = &timer_list[0];
     for (row_lvl = 0; row_lvl < RT_TIMER_SKIP_LIST_LEVEL; row_lvl++)
     {
-        for (;row_head[row_lvl] != timer_list[row_lvl].prev;
+        for (; row_head[row_lvl] != timer_list[row_lvl].prev;
              row_head[row_lvl]  = row_head[row_lvl]->next)
         {
             struct rt_timer *t;
@@ -363,7 +363,7 @@ rt_err_t rt_timer_start(rt_timer_t timer)
             }
         }
         if (row_lvl != RT_TIMER_SKIP_LIST_LEVEL - 1)
-            row_head[row_lvl+1] = row_head[row_lvl]+1;
+            row_head[row_lvl + 1] = row_head[row_lvl] + 1;
     }
 
     /* Interestingly, this super simple timer insert counter works very very
@@ -373,8 +373,8 @@ rt_err_t rt_timer_start(rt_timer_t timer)
     random_nr++;
     tst_nr = random_nr;
 
-    rt_list_insert_after(row_head[RT_TIMER_SKIP_LIST_LEVEL-1],
-                         &(timer->row[RT_TIMER_SKIP_LIST_LEVEL-1]));
+    rt_list_insert_after(row_head[RT_TIMER_SKIP_LIST_LEVEL - 1],
+                         &(timer->row[RT_TIMER_SKIP_LIST_LEVEL - 1]));
     for (row_lvl = 2; row_lvl <= RT_TIMER_SKIP_LIST_LEVEL; row_lvl++)
     {
         if (!(tst_nr & RT_TIMER_SKIP_LIST_MASK))
@@ -384,7 +384,7 @@ rt_err_t rt_timer_start(rt_timer_t timer)
             break;
         /* Shift over the bits we have tested. Works well with 1 bit and 2
          * bits. */
-        tst_nr >>= (RT_TIMER_SKIP_LIST_MASK+1)>>1;
+        tst_nr >>= (RT_TIMER_SKIP_LIST_MASK + 1) >> 1;
     }
 
     timer->parent.flag |= RT_TIMER_FLAG_ACTIVATED;
@@ -498,7 +498,7 @@ void rt_timer_check(void)
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
-    while (!rt_list_isempty(&rt_timer_list[RT_TIMER_SKIP_LIST_LEVEL-1]))
+    while (!rt_list_isempty(&rt_timer_list[RT_TIMER_SKIP_LIST_LEVEL - 1]))
     {
         t = rt_list_entry(rt_timer_list[RT_TIMER_SKIP_LIST_LEVEL - 1].next,
                           struct rt_timer, row[RT_TIMER_SKIP_LIST_LEVEL - 1]);
@@ -507,7 +507,7 @@ void rt_timer_check(void)
          * It supposes that the new tick shall less than the half duration of
          * tick max.
          */
-        if ((current_tick - t->timeout_tick) < RT_TICK_MAX/2)
+        if ((current_tick - t->timeout_tick) < RT_TICK_MAX / 2)
         {
             RT_OBJECT_HOOK_CALL(rt_timer_timeout_hook, (t));
 
@@ -570,13 +570,13 @@ void rt_soft_timer_check(void)
 
     current_tick = rt_tick_get();
 
-	/* lock scheduler */
-	rt_enter_critical();
+    /* lock scheduler */
+    rt_enter_critical();
 
-    for (n = rt_soft_timer_list[RT_TIMER_SKIP_LIST_LEVEL-1].next;
-         n != &(rt_soft_timer_list[RT_TIMER_SKIP_LIST_LEVEL-1]);)
+    for (n = rt_soft_timer_list[RT_TIMER_SKIP_LIST_LEVEL - 1].next;
+         n != &(rt_soft_timer_list[RT_TIMER_SKIP_LIST_LEVEL - 1]);)
     {
-        t = rt_list_entry(n, struct rt_timer, row[RT_TIMER_SKIP_LIST_LEVEL-1]);
+        t = rt_list_entry(n, struct rt_timer, row[RT_TIMER_SKIP_LIST_LEVEL - 1]);
 
         /*
          * It supposes that the new tick shall less than the half duration of
@@ -592,8 +592,8 @@ void rt_soft_timer_check(void)
             /* remove timer from timer list firstly */
             _rt_timer_remove(t);
 
-			/* not lock scheduler when performing timeout function */
-			rt_exit_critical();
+            /* not lock scheduler when performing timeout function */
+            rt_exit_critical();
             /* call timeout function */
             t->timeout_func(t->parameter);
 
@@ -602,8 +602,8 @@ void rt_soft_timer_check(void)
 
             RT_DEBUG_LOG(RT_DEBUG_TIMER, ("current tick: %d\n", current_tick));
 
-			/* lock scheduler */
-			rt_enter_critical();
+            /* lock scheduler */
+            rt_enter_critical();
 
             if ((t->parent.flag & RT_TIMER_FLAG_PERIODIC) &&
                 (t->parent.flag & RT_TIMER_FLAG_ACTIVATED))
@@ -621,8 +621,8 @@ void rt_soft_timer_check(void)
         else break; /* not check anymore */
     }
 
-	/* unlock scheduler */
-	rt_exit_critical();
+    /* unlock scheduler */
+    rt_exit_critical();
 
     RT_DEBUG_LOG(RT_DEBUG_TIMER, ("software timer check leave\n"));
 }
@@ -649,7 +649,7 @@ static void rt_thread_timer_entry(void *parameter)
             /* get current tick */
             current_tick = rt_tick_get();
 
-            if ((next_timeout - current_tick) < RT_TICK_MAX/2)
+            if ((next_timeout - current_tick) < RT_TICK_MAX / 2)
             {
                 /* get the delta timeout tick */
                 next_timeout = next_timeout - current_tick;
@@ -672,9 +672,9 @@ void rt_system_timer_init(void)
 {
     int i;
 
-    for (i = 0; i < sizeof(rt_timer_list)/sizeof(rt_timer_list[0]); i++)
+    for (i = 0; i < sizeof(rt_timer_list) / sizeof(rt_timer_list[0]); i++)
     {
-        rt_list_init(rt_timer_list+i);
+        rt_list_init(rt_timer_list + i);
     }
 }
 
@@ -689,10 +689,10 @@ void rt_system_timer_thread_init(void)
     int i;
 
     for (i = 0;
-         i < sizeof(rt_soft_timer_list)/sizeof(rt_soft_timer_list[0]);
+         i < sizeof(rt_soft_timer_list) / sizeof(rt_soft_timer_list[0]);
          i++)
     {
-        rt_list_init(rt_soft_timer_list+i);
+        rt_list_init(rt_soft_timer_list + i);
     }
 
     /* start software timer thread */