Fix displaying the size of the RAM

svn path=/trunk/; revision=24374

reactos/dll/cpl/sysdm/en.rc

@@ -283,4 +283,8 @@ STRINGTABLE DISCARDABLE
 BEGIN
     IDS_CPLSYSTEMNAME "System"
     IDS_CPLSYSTEMDESCRIPTION "See information about your computer and change various system and hardware settings."
+    IDS_MEGABYTE "MB of RAM"
+    IDS_GIGABYTE "GB of RAM"
+    IDS_TERABYTE "TB of RAM"
+    IDS_PETABYTE "PB of RAM"
 END

reactos/dll/cpl/sysdm/general.c

@@ -131,12 +131,12 @@ SetProcSpeed(HWND hwnd,
     {
         if (dwBuf < 1000)
         {
-            wsprintf(szBuf, _T("%lu MHz"), dwBuf);
+            _stprintf(szBuf, _T("%lu MHz"), dwBuf);
         }
         else
         {
             double flt = dwBuf / 1000.0;
-            wsprintf(szBuf, _T("%l GHz"), flt);
+            _stprintf(szBuf, _T("%l GHz"), flt);
         }
 
         SetDlgItemText(hwnd,
@@ -145,18 +145,16 @@ SetProcSpeed(HWND hwnd,
     }
 }
 
-
 static VOID
 GetSystemInformation(HWND hwnd)
 {
     HKEY hKey;
     TCHAR ProcKey[] = _T("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");
-    MEMORYSTATUS MemStat;
+    MEMORYSTATUSEX MemStat;
     TCHAR Buf[32];
     INT Ret = 0;
 
 
-
     /* Get Processor information *
      * although undocumented, this information is being pulled
      * directly out of the registry instead of via setupapi as it
@@ -187,14 +185,56 @@ GetSystemInformation(HWND hwnd)
 
     /* Get total physical RAM */
     MemStat.dwLength = sizeof(MemStat);
-    GlobalMemoryStatus(&MemStat);
+    if (GlobalMemoryStatusEx(&MemStat))
+    {
+        TCHAR szStr[32];
+        double dTotalPhys;
+        UINT i = 0;
+        static const UINT uStrId[] = {
+            IDS_MEGABYTE,
+            IDS_GIGABYTE,
+            IDS_TERABYTE,
+            IDS_PETABYTE
+        };
 
-    if (MemStat.dwTotalPhys < KB_DIV)
+        if (MemStat.ullTotalPhys > 1024 * 1024 * 1024)
-        Ret = wsprintf(Buf, _T("%luKB of RAM"), MemStat.dwTotalPhys/KB_DIV);
+        {
-    else if (MemStat.dwTotalPhys >= KB_DIV && MemStat.dwTotalPhys < GB_DIV)
+            /* We're dealing with GBs or more */
-        Ret = wsprintf(Buf, _T("%luMB of RAM"), MemStat.dwTotalPhys/MB_DIV);
+            MemStat.ullTotalPhys /= 1024 * 1024;
-    else if (MemStat.dwTotalPhys > GB_DIV)
+            i++;
-        Ret = wsprintf(Buf, _T("%luGB of RAM"), MemStat.dwTotalPhys/GB_DIV);
+
+            if (MemStat.ullTotalPhys > 1024 * 1024)
+            {
+                /* We're dealing with TBs or more */
+                MemStat.ullTotalPhys /= 1024;
+                i++;
+
+                if (MemStat.ullTotalPhys > 1024 * 1024)
+                {
+                    /* We're dealing with PBs or more */
+
+                    MemStat.ullTotalPhys /= 1024;
+                    i++;
+
+                    dTotalPhys = (double)MemStat.ullTotalPhys / 1024;
+                }
+                else
+                    dTotalPhys = (double)MemStat.ullTotalPhys / 1024;
+            }
+            else
+                dTotalPhys = (double)MemStat.ullTotalPhys / 1024;
+        }
+        else
+        {
+            /* We're daling with MBs */
+            dTotalPhys = (double)MemStat.ullTotalPhys / 1024 / 1024;
+        }
+
+        if (LoadString(hApplet, uStrId[i], szStr, sizeof(szStr) / sizeof(szStr[0])))
+        {
+            Ret = _stprintf(Buf, _T("%.2f %s"), dTotalPhys, szStr);
+        }
+    }
 
     if (Ret)
     {

reactos/dll/cpl/sysdm/precomp.h

@@ -11,9 +11,6 @@
 #include "resource.h"
 
 #define NUM_APPLETS (1)
-#define KB_DIV 1024
-#define MB_DIV 1048576
-#define GB_DIV 1.0737e9
 
 typedef LONG (CALLBACK *APPLET_INITPROC)(VOID);
 

reactos/dll/cpl/sysdm/resource.h

@@ -14,6 +14,11 @@
 #define IDS_CPLSYSTEMNAME               60
 #define IDS_CPLSYSTEMDESCRIPTION        61
 
+#define IDS_MEGABYTE                    62
+#define IDS_GIGABYTE                    63
+#define IDS_TERABYTE                    64
+#define IDS_PETABYTE                    65
+
 
 /* propsheet - general */
 #define IDD_PROPPAGEGENERAL             100

reactos/dll/cpl/sysdm/sysdm.rbuild

@@ -8,12 +8,12 @@
 	<define name="WINVER">0x501</define>
 	<library>kernel32</library>
 	<library>advapi32</library>
+	<library>msvcrt</library>
 	<library>user32</library>
 	<library>gdi32</library>
 	<library>comctl32</library>
 	<library>netapi32</library>
 	<library>ntdll</library>
-	<library>msvcrt</library>
 	<library>msimg32</library>
 	<library>shell32</library>
 	<file>advanced.c</file>