James Hawkins : msi: Simplify the check for a valid product code.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f178985db3fc492acee7b589bc0f46b78bb74b9e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=f178985db3fc492acee7b589bc0f46b78bb74b9e

Author: James Hawkins <jhawkins at codeweavers.com>
Date:   Sun Feb 24 20:03:24 2008 -0600

msi: Simplify the check for a valid product code.

---

 dlls/msi/source.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/dlls/msi/source.c b/dlls/msi/source.c
index c373df2..66a3af1 100644
--- a/dlls/msi/source.c
+++ b/dlls/msi/source.c
@@ -351,16 +351,13 @@ UINT WINAPI MsiSourceListGetInfoW( LPCWSTR szProduct, LPCWSTR szUserSid,
                                    LPCWSTR szProperty, LPWSTR szValue, 
                                    LPDWORD pcchValue) 
 {
+    WCHAR squished_pc[GUID_SIZE];
     HKEY sourcekey;
     UINT rc;
 
     TRACE("%s %s\n", debugstr_w(szProduct), debugstr_w(szProperty));
 
-    if (!szProduct || !*szProduct)
-        return ERROR_INVALID_PARAMETER;
-
-    if (lstrlenW(szProduct) != GUID_SIZE - 1 ||
-        (szProduct[0] != '{' && szProduct[GUID_SIZE - 2] != '}'))
+    if (!szProduct || !squash_guid(szProduct, squished_pc))
         return ERROR_INVALID_PARAMETER;
 
     if (szValue && !pcchValue)