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Merge pull request #3489 from greed-island/mem

fix bug in rt_realloc of mem.c,  which may cause memory leak
Bernard Xiong 5 years ago
parent
commit
0930683a3f
1 changed files with 6 additions and 0 deletions
  1. 6 0
      src/mem.c

+ 6 - 0
src/mem.c

@@ -489,6 +489,12 @@ void *rt_realloc(void *rmem, rt_size_t newsize)
         {
             ((struct heap_mem *)&heap_ptr[mem2->next])->prev = ptr2;
         }
+        
+        if (mem2 < lfree)
+        {
+            /* the splited struct is now the lowest */
+            lfree = mem2;
+        }
 
         plug_holes(mem2);