[Bug 21086] Bug in SearchPath when filename supplied but null

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=21086





--- Comment #6 from Jason Edmeades <us at edmeades.me.uk>  2009-12-20 15:15:28 ---
Yes, sorry... exactly...!  On wine the SearchPath with no filename succeeds and
the app in question then tries to fopen the file, which fails as its trying to
open a directory!

Pasted here is a patch which solves the problem for my app and I think its the
simplest solution. (I would attach it as a patch but its cut and pasted from a
document I was maintaining for the app in question). Can you see if it makes
the test pass please (feel free to submit it, otherwise I'll try to send it in
when I get back to work and can get a proper patch file).

--- a/dlls/kernel32/path.c
+++ b/dlls/kernel32/path.c
@@ -753,6 +753,11 @@ DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name,
LPCWSTR ext, DWORD buflen,
     DWORD ret = 0;

     /* If the name contains an explicit path, ignore the path */
+    if (name && name[0] == 0x00) {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return 0;
+    }

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