wbemprox: Implement Win32_OperatingSystem::TotalVisibleMemorySize.

[Vincent Povirk]

Best I can tell from MSDN, "visible memory" is what's returned by
GlobalMemoryStatusEx (even though the documentation of that function
says it returns "physical memory"), and "physical memory" is what's
returned by GetPhysicallyInstalledSystemMemory.

I have no idea how to get these values separately on Linux.
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From 2f8da152e600bca45c2ca87cca933c659255c715 Mon Sep 17 00:00:00 2001
From: Vincent Povirk <vincent at codeweavers.com>
Date: Thu, 4 Dec 2014 15:32:35 -0600
Subject: [PATCH] wbemprox: Implement
 Win32_OperatingSystem::TotalVisibleMemorySize.

---
 dlls/wbemprox/builtin.c | 85 ++++++++++++++++++++++++++-----------------------
 1 file changed, 45 insertions(+), 40 deletions(-)

diff --git a/dlls/wbemprox/builtin.c b/dlls/wbemprox/builtin.c
index 48ed20a..6337fef 100644
--- a/dlls/wbemprox/builtin.c
+++ b/dlls/wbemprox/builtin.c
@@ -271,6 +271,8 @@ static const WCHAR prop_threadcountW[] =
     {'T','h','r','e','a','d','C','o','u','n','t',0};
 static const WCHAR prop_totalphysicalmemoryW[] =
     {'T','o','t','a','l','P','h','y','s','i','c','a','l','M','e','m','o','r','y',0};
+static const WCHAR prop_totalvisiblememorysizeW[] =
+    {'T','o','t','a','l','V','i','s','i','b','l','e','M','e','m','o','r','y','S','i','z','e',0};
 static const WCHAR prop_typeW[] =
     {'T','y','p','e',0};
 static const WCHAR prop_uniqueidW[] =
@@ -387,26 +389,27 @@ static const struct column col_networkadapterconfig[] =
 };
 static const struct column col_os[] =
 {
-    { prop_buildnumberW,      CIM_STRING },
-    { prop_captionW,          CIM_STRING },
-    { prop_codesetW,          CIM_STRING|COL_FLAG_DYNAMIC },
-    { prop_countrycodeW,      CIM_STRING|COL_FLAG_DYNAMIC },
-    { prop_csdversionW,       CIM_STRING },
-    { prop_installdateW,      CIM_DATETIME },
-    { prop_lastbootuptimeW,   CIM_DATETIME|COL_FLAG_DYNAMIC },
-    { prop_localdatetimeW,    CIM_DATETIME|COL_FLAG_DYNAMIC },
-    { prop_localeW,           CIM_STRING|COL_FLAG_DYNAMIC },
-    { prop_nameW,             CIM_STRING },
-    { prop_osarchitectureW,   CIM_STRING },
-    { prop_oslanguageW,       CIM_UINT32, VT_I4 },
-    { prop_osproductsuiteW,   CIM_UINT32, VT_I4 },
-    { prop_ostypeW,           CIM_UINT16, VT_I4 },
-    { prop_serialnumberW,     CIM_STRING },
-    { prop_servicepackmajorW, CIM_UINT16, VT_I4 },
-    { prop_servicepackminorW, CIM_UINT16, VT_I4 },
-    { prop_suitemaskW,        CIM_UINT32, VT_I4 },
-    { prop_systemdirectoryW,  CIM_STRING|COL_FLAG_DYNAMIC },
-    { prop_versionW,          CIM_STRING }
+    { prop_buildnumberW,            CIM_STRING },
+    { prop_captionW,                CIM_STRING },
+    { prop_codesetW,                CIM_STRING|COL_FLAG_DYNAMIC },
+    { prop_countrycodeW,            CIM_STRING|COL_FLAG_DYNAMIC },
+    { prop_csdversionW,             CIM_STRING },
+    { prop_installdateW,            CIM_DATETIME },
+    { prop_lastbootuptimeW,         CIM_DATETIME|COL_FLAG_DYNAMIC },
+    { prop_localdatetimeW,          CIM_DATETIME|COL_FLAG_DYNAMIC },
+    { prop_localeW,                 CIM_STRING|COL_FLAG_DYNAMIC },
+    { prop_nameW,                   CIM_STRING },
+    { prop_osarchitectureW,         CIM_STRING },
+    { prop_oslanguageW,             CIM_UINT32, VT_I4 },
+    { prop_osproductsuiteW,         CIM_UINT32, VT_I4 },
+    { prop_ostypeW,                 CIM_UINT16, VT_I4 },
+    { prop_serialnumberW,           CIM_STRING },
+    { prop_servicepackmajorW,       CIM_UINT16, VT_I4 },
+    { prop_servicepackminorW,       CIM_UINT16, VT_I4 },
+    { prop_suitemaskW,              CIM_UINT32, VT_I4 },
+    { prop_systemdirectoryW,        CIM_STRING|COL_FLAG_DYNAMIC },
+    { prop_totalvisiblememorysizeW, CIM_UINT64 },
+    { prop_versionW,                CIM_STRING }
 };
 static const struct column col_param[] =
 {
@@ -718,6 +721,7 @@ struct record_operatingsystem
     UINT16       servicepackminor;
     UINT32       suitemask;
     const WCHAR *systemdirectory;
+    UINT64       totalvisiblememorysize;
     const WCHAR *version;
 };
 struct record_param
@@ -2147,26 +2151,27 @@ static enum fill_status fill_os( struct table *table, const struct expr *cond )
     if (!resize_table( table, 1, sizeof(*rec) )) return FILL_STATUS_FAILED;
 
     rec = (struct record_operatingsystem *)table->data;
-    rec->buildnumber      = os_buildnumberW;
-    rec->caption          = os_captionW;
-    rec->codeset          = get_codeset();
-    rec->countrycode      = get_countrycode();
-    rec->csdversion       = os_csdversionW;
-    rec->installdate      = os_installdateW;
-    rec->lastbootuptime   = get_lastbootuptime();
-    rec->localdatetime    = get_localdatetime();
-    rec->locale           = get_locale();
-    rec->name             = os_nameW;
-    rec->osarchitecture   = get_osarchitecture();
-    rec->oslanguage       = GetSystemDefaultLangID();
-    rec->osproductsuite   = 2461140; /* Windows XP Professional  */
-    rec->ostype           = 18;      /* WINNT */
-    rec->serialnumber     = os_serialnumberW;
-    rec->servicepackmajor = 3;
-    rec->servicepackminor = 0;
-    rec->suitemask        = 272;     /* Single User + Terminal */
-    rec->systemdirectory  = get_systemdirectory();
-    rec->version          = os_versionW;
+    rec->buildnumber            = os_buildnumberW;
+    rec->caption                = os_captionW;
+    rec->codeset                = get_codeset();
+    rec->countrycode            = get_countrycode();
+    rec->csdversion             = os_csdversionW;
+    rec->installdate            = os_installdateW;
+    rec->lastbootuptime         = get_lastbootuptime();
+    rec->localdatetime          = get_localdatetime();
+    rec->locale                 = get_locale();
+    rec->name                   = os_nameW;
+    rec->osarchitecture         = get_osarchitecture();
+    rec->oslanguage             = GetSystemDefaultLangID();
+    rec->osproductsuite         = 2461140; /* Windows XP Professional  */
+    rec->ostype                 = 18;      /* WINNT */
+    rec->serialnumber           = os_serialnumberW;
+    rec->servicepackmajor       = 3;
+    rec->servicepackminor       = 0;
+    rec->suitemask              = 272;     /* Single User + Terminal */
+    rec->systemdirectory        = get_systemdirectory();
+    rec->totalvisiblememorysize = get_total_physical_memory() / 1024;
+    rec->version                = os_versionW;
     if (!match_row( table, row, cond, &status )) free_row_values( table, row );
     else row++;
 
-- 
2.1.0