1 files changed, 77 insertions, 0 deletions

diff --git a/private/mvdm/wow16/toolhelp/usergdi1.c b/private/mvdm/wow16/toolhelp/usergdi1.c
new file mode 100644
index 000000000..05aac84ce
--- /dev/null
+++ b/private/mvdm/wow16/toolhelp/usergdi1.c
@@ -0,0 +1,77 @@
+/**************************************************************************
+ *  USERGDI1.C
+ *
+ *      Returns information about USER.EXE and GDI.EXE
+ *
+ **************************************************************************/
+
+#include "toolpriv.h"
+
+/*  SystemHeapInfo
+ *      Returns information about USER's and GDI's heaps
+ */
+
+BOOL TOOLHELPAPI SystemHeapInfo(
+    SYSHEAPINFO FAR* lpSysHeap)
+{
+    MODULEENTRY ModuleEntry;
+#ifndef WOW
+    DWORD dw;
+    WORD wFreeK;
+    WORD wMaxHeapK;
+#endif
+
+    /* Check the structure version number and pointer */
+    if (!wLibInstalled || !lpSysHeap ||
+        lpSysHeap->dwSize != sizeof (SYSHEAPINFO))
+        return FALSE;
+
+    /* Find the user data segment */
+    ModuleEntry.dwSize = sizeof (MODULEENTRY);
+    lpSysHeap->hUserSegment =
+        UserGdiDGROUP(ModuleFindName(&ModuleEntry, "USER"));
+    lpSysHeap->hGDISegment =
+        UserGdiDGROUP(ModuleFindName(&ModuleEntry, "GDI"));
+
+#ifndef WOW
+    /* We get the information about the heap percentages differently in
+     *  3.0 and 3.1
+     */
+    if ((wTHFlags & TH_WIN30) || !lpfnGetFreeSystemResources)
+    {
+        /* Get the space information about USER's heap */
+        dw = UserGdiSpace(lpSysHeap->hUserSegment);
+        wFreeK = LOWORD(dw) / 1024;
+        wMaxHeapK = HIWORD(dw) / 1024;
+        if (wMaxHeapK)
+            lpSysHeap->wUserFreePercent = wFreeK * 100 / wMaxHeapK;
+        else
+            lpSysHeap->wUserFreePercent = 0;
+
+        /* Get the space information about GDI's heap */
+        dw = UserGdiSpace(lpSysHeap->hGDISegment);
+        wFreeK = LOWORD(dw) / 1024;
+        wMaxHeapK = HIWORD(dw) / 1024;
+        if (wMaxHeapK)
+            lpSysHeap->wGDIFreePercent = wFreeK * 100 / wMaxHeapK;
+        else
+            lpSysHeap->wGDIFreePercent = 0;
+    }
+
+    /* Get the information from USER in 3.1 */
+    else
+    {
+        lpSysHeap->wUserFreePercent =
+            (*(WORD (FAR PASCAL *)(WORD))lpfnGetFreeSystemResources)(2);
+        lpSysHeap->wGDIFreePercent =
+            (*(WORD (FAR PASCAL *)(WORD))lpfnGetFreeSystemResources)(1);
+    }
+#else
+
+    lpSysHeap->wUserFreePercent = GetFreeSystemResources(GFSR_USERRESOURCES);
+    lpSysHeap->wGDIFreePercent = GetFreeSystemResources(GFSR_GDIRESOURCES);
+
+#endif
+
+    return TRUE;
+}