Hans Leidekker : msi: Fix handling of an empty language id list in msi_parse_summary.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a74e025335b107926bf9062ef6ac0fa120613261
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a74e025335b107926bf9062ef6...

Author: Hans Leidekker <hans(a)codeweavers.com>
Date:   Wed Nov 17 10:57:40 2010 +0100

msi: Fix handling of an empty language id list in msi_parse_summary.

---

 dlls/msi/package.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/msi/package.c b/dlls/msi/package.c
index 50a7dbb..72f3392 100644
--- a/dlls/msi/package.c
+++ b/dlls/msi/package.c
@@ -1336,9 +1336,14 @@ static UINT msi_parse_summary( MSISUMMARYINFO *si, MSIPACKAGE *package )
         msi_free( template );
         return ERROR_INSTALL_PLATFORM_UNSUPPORTED;
     }
-
+    p++;
+    if (!*p)
+    {
+        msi_free( template );
+        return ERROR_SUCCESS;
+    }
     count = 1;
-    for (q = ++p; (q = strchrW( q, ',' )); q++) count++;
+    for (q = p; (q = strchrW( q, ',' )); q++) count++;
 
     package->langids = msi_alloc( count * sizeof(LANGID) );
     if (!package->langids)