wwww added timer!!

[16.git] / src / lib / 16_head.c

diff --git a/src/lib/16_head.c b/src/lib/16_head.c
index 008c654409f12919eda0533725d4113c3745afc8..2aca4bb7cdac82377624bfaf8a4da9fe81538116 100644 (file)
--- a/src/lib/16_head.c
+++ b/src/lib/16_head.c
@@ -174,6 +174,70 @@ size_t GetFarFreeSize(void)
        return total;
 }
 
+//near versions
+void __near* AllocateLargestNearFreeBlock(size_t* Size)
+{
+       size_t s0, s1;
+       void __near* p;
+
+       s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
+       while (s0 && (p = _nmalloc(s0)) == NULL)
+               s0 >>= 1;
+
+       if (p)
+               _nfree(p);
+
+       s1 = s0 >> 1;
+       while (s1)
+       {
+               if ((p = _nmalloc(s0 + s1)) != NULL)
+               {
+                       s0 += s1;
+                       _nfree(p);
+               }
+       s1 >>= 1;
+       }
+       while (s0 && (p = _nmalloc(s0)) == NULL)
+               s0 ^= s0 & -s0;
+
+       *Size = s0;
+       return p;
+}
+
+size_t GetNearFreeSize(void)
+{
+       size_t total = 0;
+       void __near* pFirst = NULL;
+       void __near* pLast = NULL;
+       for(;;)
+       {
+               size_t largest;
+               void __near* p = AllocateLargestNearFreeBlock(&largest);
+               if (largest < sizeof(void __near*))
+               {
+                       if (p != NULL)
+                       _nfree(p);
+                       break;
+               }
+               *(void __near* __near*)p = NULL;
+               total += largest;
+               if (pFirst == NULL)
+                       pFirst = p;
+
+               if (pLast != NULL)
+                       *(void __near* __near*)pLast = p;
+               pLast = p;
+       }
+
+       while (pFirst != NULL)
+       {
+               void __near* p = *(void __near* __near*)pFirst;
+               _nfree(pFirst);
+               pFirst = p;
+       }
+       return total;
+}
+
 long int
 filesize(FILE *fp)\r
 {\r