Mohamad Al-Jaf : pdh: Implement PdhVbGetDoubleCounterValue().

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: c747c1f2586bc2bbc67046a80a9100080336090c
URL:    https://gitlab.winehq.org/wine/wine/-/commit/c747c1f2586bc2bbc67046a80a91000...

Author: Mohamad Al-Jaf <mohamadaljaf(a)gmail.com>
Date:   Tue Nov  1 20:49:41 2022 -0500

pdh: Implement PdhVbGetDoubleCounterValue().

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54618
(cherry picked from commit e1c59cc5621a8d3420fc30314fd8daa5c6e55a26)

---

 dlls/pdh/pdh.spec   |  2 +-
 dlls/pdh/pdh_main.c | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/dlls/pdh/pdh.spec b/dlls/pdh/pdh.spec
index 5f61a8a42ca..711c970029b 100644
--- a/dlls/pdh/pdh.spec
+++ b/dlls/pdh/pdh.spec
@@ -145,7 +145,7 @@
 @ stub PdhVbCreateCounterPathList
 @ stub PdhVbGetCounterPathElements
 @ stub PdhVbGetCounterPathFromList
-@ stub PdhVbGetDoubleCounterValue
+@ stdcall PdhVbGetDoubleCounterValue(ptr ptr)
 @ stub PdhVbGetLogFileSize
 @ stub PdhVbGetOneCounterPath
 @ stub PdhVbIsGoodStatus
diff --git a/dlls/pdh/pdh_main.c b/dlls/pdh/pdh_main.c
index 7eae7872b48..121b7e712ce 100644
--- a/dlls/pdh/pdh_main.c
+++ b/dlls/pdh/pdh_main.c
@@ -1062,6 +1062,23 @@ PDH_STATUS WINAPI PdhVbAddCounter( PDH_HQUERY query, LPCSTR path, PDH_HCOUNTER *
     return PDH_NOT_IMPLEMENTED;
 }
 
+/***********************************************************************
+ *              PdhVbGetDoubleCounterValue   (PDH.@)
+ */
+double WINAPI PdhVbGetDoubleCounterValue( PDH_HCOUNTER handle, PDH_STATUS *counter_status )
+{
+    PDH_FMT_COUNTERVALUE value;
+    PDH_STATUS status;
+
+    TRACE( "%p %p\n", handle, counter_status );
+
+    memset( &value, 0, sizeof(value) );
+    status = PdhGetFormattedCounterValue( handle, PDH_FMT_DOUBLE, NULL, &value );
+
+    if (counter_status) *counter_status = status;
+    return value.u.doubleValue;
+}
+
 /***********************************************************************
  *              PdhValidatePathExA   (PDH.@)
  */