MEMORY.C

 
 
#include "perfmon.h"    // included by all perfmon sources 
#include "pmemory.h"     // external declarations for this file 
 
 
LPMEMORY MemoryAllocate (DWORD dwSize) 
   {  // MemoryAllocate 
   HMEMORY        hMemory ; 
   LPMEMORY       lpMemory ; 
 
   hMemory = GlobalAlloc (GHND, dwSize) ; 
   if (!hMemory) 
      return (NULL) ; 
   lpMemory = GlobalLock (hMemory) ; 
   if (!lpMemory) 
      GlobalFree (hMemory) ; 
   return (lpMemory) ; 
   }  // MemoryAllocate 
 
 
VOID MemoryFree (LPMEMORY lpMemory) 
   {  // MemoryFree 
   HMEMORY        hMemory ; 
 
   if (!lpMemory) 
      return ; 
 
   hMemory = GlobalHandle (lpMemory) ; 
 
   if (hMemory) 
      {  // if 
      GlobalUnlock (hMemory) ; 
      GlobalFree (hMemory) ; 
      }  // if 
   }  // MemoryFree 
    
 
DWORD MemorySize (LPMEMORY lpMemory) 
   { 
   HMEMORY        hMemory ; 
 
   hMemory = GlobalHandle (lpMemory) ; 
   if (!hMemory) 
      return (0L) ; 
 
   return (GlobalSize (hMemory)) ; 
   } 
 
 
LPMEMORY MemoryResize (LPMEMORY lpMemory, 
                       DWORD dwNewSize) 
   { 
   HMEMORY        hMemory ; 
   LPMEMORY       lpNewMemory ; 
 
   hMemory = GlobalHandle (lpMemory) ; 
   if (!hMemory) 
      return (NULL) ; 
 
   GlobalUnlock (hMemory) ;  
 
   hMemory = GlobalReAlloc (hMemory, dwNewSize, GHND) ; 
 
   if (!hMemory) 
      return (NULL) ; 
 
 
   lpNewMemory = GlobalLock (hMemory) ; 
 
   return (lpNewMemory) ; 
   }  // MemoryResize