pdh: Implement PdhMakeCounterPathA/W.
diff --git a/dlls/pdh/pdh_main.c b/dlls/pdh/pdh_main.c
index 4a32cf5..8e91caf 100644
--- a/dlls/pdh/pdh_main.c
+++ b/dlls/pdh/pdh_main.c
@@ -1061,6 +1061,110 @@
}
/***********************************************************************
+ * PdhMakeCounterPathA (PDH.@)
+ */
+PDH_STATUS WINAPI PdhMakeCounterPathA( PDH_COUNTER_PATH_ELEMENTS_A *e, LPSTR buffer,
+ LPDWORD buflen, DWORD flags )
+{
+ PDH_STATUS ret = PDH_MEMORY_ALLOCATION_FAILURE;
+ PDH_COUNTER_PATH_ELEMENTS_W eW;
+ WCHAR *bufferW;
+ DWORD buflenW;
+
+ TRACE("%p %p %p 0x%08x\n", e, buffer, buflen, flags);
+
+ if (!e || !buflen) return PDH_INVALID_ARGUMENT;
+
+ memset( &eW, 0, sizeof(eW) );
+ if (e->szMachineName && !(eW.szMachineName = pdh_strdup_aw( e->szMachineName ))) goto done;
+ if (e->szObjectName && !(eW.szObjectName = pdh_strdup_aw( e->szObjectName ))) goto done;
+ if (e->szInstanceName && !(eW.szInstanceName = pdh_strdup_aw( e->szInstanceName ))) goto done;
+ if (e->szParentInstance && !(eW.szParentInstance = pdh_strdup_aw( e->szParentInstance ))) goto done;
+ if (e->szCounterName && !(eW.szCounterName = pdh_strdup_aw( e->szCounterName ))) goto done;
+ eW.dwInstanceIndex = e->dwInstanceIndex;
+
+ buflenW = 0;
+ ret = PdhMakeCounterPathW( &eW, NULL, &buflenW, flags );
+ if (ret == PDH_MORE_DATA)
+ {
+ if ((bufferW = heap_alloc( buflenW * sizeof(WCHAR) )))
+ {
+ if (!(ret = PdhMakeCounterPathW( &eW, bufferW, &buflenW, flags )))
+ {
+ int len = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
+ if (*buflen >= len) WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, *buflen, NULL, NULL);
+ else ret = PDH_MORE_DATA;
+ *buflen = len;
+ }
+ heap_free( bufferW );
+ }
+ }
+
+done:
+ heap_free( eW.szMachineName );
+ heap_free( eW.szObjectName );
+ heap_free( eW.szInstanceName );
+ heap_free( eW.szParentInstance );
+ heap_free( eW.szCounterName );
+ return ret;
+}
+
+/***********************************************************************
+ * PdhMakeCounterPathW (PDH.@)
+ */
+PDH_STATUS WINAPI PdhMakeCounterPathW( PDH_COUNTER_PATH_ELEMENTS_W *e, LPWSTR buffer,
+ LPDWORD buflen, DWORD flags )
+{
+ static const WCHAR bslash[] = {'\\',0};
+ static const WCHAR fslash[] = {'/',0};
+ static const WCHAR lparen[] = {'(',0};
+ static const WCHAR rparen[] = {')',0};
+ static const WCHAR fmt[] = {'#','%','u',0};
+
+ WCHAR path[PDH_MAX_COUNTER_NAME], instance[12];
+ PDH_STATUS ret = ERROR_SUCCESS;
+ DWORD len;
+
+ TRACE("%p %p %p 0x%08x\n", e, buffer, buflen, flags);
+
+ if (flags) FIXME("unimplemented flags 0x%08x\n", flags);
+
+ if (!e || !e->szCounterName || !e->szObjectName || !buflen)
+ return PDH_INVALID_ARGUMENT;
+
+ path[0] = 0;
+ if (e->szMachineName)
+ {
+ strcatW(path, bslash);
+ strcatW(path, bslash);
+ strcatW(path, e->szMachineName);
+ }
+ strcatW(path, bslash);
+ strcatW(path, e->szObjectName);
+ if (e->szInstanceName)
+ {
+ strcatW(path, lparen);
+ if (e->szParentInstance)
+ {
+ strcatW(path, e->szParentInstance);
+ strcatW(path, fslash);
+ }
+ strcatW(path, e->szInstanceName);
+ sprintfW(instance, fmt, e->dwInstanceIndex);
+ strcatW(path, instance);
+ strcatW(path, rparen);
+ }
+ strcatW(path, bslash);
+ strcatW(path, e->szCounterName);
+
+ len = strlenW(path) + 1;
+ if (*buflen >= len) strcpyW(buffer, path);
+ else ret = PDH_MORE_DATA;
+ *buflen = len;
+ return ret;
+}
+
+/***********************************************************************
* PdhEnumObjectItemsA (PDH.@)
*/
PDH_STATUS WINAPI PdhEnumObjectItemsA(LPCSTR szDataSource, LPCSTR szMachineName, LPCSTR szObjectName,
