Alexander Morozov : setupapi: Creating SymbolicLink value in registry as in Windows XP.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b622101ef252071f6797368f0b4c0911ade2bd5a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b622101ef252071f6797368f0b4c0911ade2bd5a

Author: Alexander Morozov <amorozov at etersoft.ru>
Date:   Tue Apr  1 14:24:50 2008 +0300

setupapi: Creating SymbolicLink value in registry as in Windows XP.

---

 dlls/setupapi/devinst.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/dlls/setupapi/devinst.c b/dlls/setupapi/devinst.c
index 60da5e8..e9c8124 100644
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -244,7 +244,7 @@ static LPWSTR SETUPDI_CreateSymbolicLinkPath(LPCWSTR instanceId,
     /* omit length of format specifiers, but include NULL terminator: */
     len = lstrlenW(fmt) - 4 + 1;
     len += lstrlenW(instanceId) + lstrlenW(guidStr);
-    if (ReferenceString)
+    if (ReferenceString && *ReferenceString)
     {
         /* space for a hash between string and reference string: */
         len += lstrlenW(ReferenceString) + 1;
@@ -258,10 +258,10 @@ static LPWSTR SETUPDI_CreateSymbolicLinkPath(LPCWSTR instanceId,
         /* replace '\\' with '#' after the "\\\\?\\" beginning */
         for (ptr = strchrW(ret + 4, '\\'); ptr; ptr = strchrW(ptr + 1, '\\'))
             *ptr = '#';
-        if (ReferenceString)
+        if (ReferenceString && *ReferenceString)
         {
-            ret[printed - 1] = '\\';
-            lstrcpyW(ret + printed, ReferenceString);
+            ret[printed] = '\\';
+            lstrcpyW(ret + printed + 1, ReferenceString);
         }
     }
     return ret;