use const for pointer fields of INNER_RES

include/window.h

@@ -4584,17 +4584,15 @@ typedef unsigned long RES_KEY;
 /* define the incore res type */
 typedef struct _INNER_RES {
     RES_KEY key;
-    Uint8* data;
+    const Uint8* data;
     int data_len;
 
-    /* special param recognized by the TYPE_OPS
-     * normal is null.
-     * is the data is a mem of raw png, jpeg, bmp
-     * and so on, it should be the extention name
-     * of the filename. eg.
+    /* A special param recognized by the TYPE_OPS; normally is NULL.
+     * If the data is a raw png, jpeg, bmp file content,
+     * it should be the extention name of the filename:
      * INNER_RES res[]= { ... { ..., ... ,.., "png" } .. };
      * */
-    void* additional;
+    const void* additional;
 } INNER_RES;
 
 /* the type of resource */

src/include/drawsemop.h

@@ -112,6 +112,8 @@ static inline void reset_hidecursor_sem (void)
 #ifdef _DEBUG
     if (ret == -1)
         perror ("reset_hidecursor_sem");
+#else
+    ret = ret + 0;
 #endif
 }
 

src/kernel/timer.c

@@ -83,8 +83,10 @@ static pthread_mutex_t timerLock;
 #endif /* __LINUX__ */
 
 #ifdef _MG_USE_BETTER_TIMER
+#ifdef _MGRM_THREADS
 #include <sys/times.h>
 static clock_t g_timer_started;
+#endif
 static clock_t g_last_tick;
 #endif
 
@@ -95,7 +97,7 @@ static void __mg_timer_action (void *data)
     SHAREDRES_TIMER_COUNTER += 1;
 #else
 
-#if defined(__uClinux__) && defined(_MGRM_STANDALONE)
+#if defined(_MGRM_STANDALONE)
     __mg_timer_counter += 10;
 #else
 #   ifdef _MG_USE_BETTER_TIMER

src/sysres/resmgr.c

@@ -931,7 +931,7 @@ static void* img_get_res_data(RESOURCE* res, int src_type, DWORD usr_param)
             INNER_RES* inner = res->source.inner;
             if(inner->additional == NULL) {
                 // raw bitmap
-                res->data = inner->data;
+                res->data = (void*)inner->data;
             }
             else {
                 BITMAP *pbmp = NEW(BITMAP);
@@ -1174,7 +1174,7 @@ static void* etc_get_res_data(RESOURCE* res, int src_type, DWORD usr_param)
             break;
         }
         case REF_SRC_INNER:
-            res->data = res->source.inner->data;
+            res->data = (void*)res->source.inner->data;
             break;
         default:
             return NULL;