Frédéric Delanoy : cmd: Avoid reading garbage when looking for redirection handle.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 93a68fa6594907078d69d813f6b58cee35abe8b4
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=93a68fa6594907078d69d813f6...

Author: Frédéric Delanoy <frederic.delanoy(a)gmail.com>
Date:   Sat Aug 27 02:11:31 2011 +0200

cmd: Avoid reading garbage when looking for redirection handle.

---

 programs/cmd/wcmdmain.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/programs/cmd/wcmdmain.c b/programs/cmd/wcmdmain.c
index 2c1c2e5..b282e99 100644
--- a/programs/cmd/wcmdmain.c
+++ b/programs/cmd/wcmdmain.c
@@ -1354,11 +1354,10 @@ void WCMD_execute (const WCHAR *command, const WCHAR *redirects,
     while (redir != NULL && ((p = strchrW(redir,'>')) != NULL)) {
       int handle = 0;
 
-      if (*(p-1)!='2') {
-        handle = 1;
-      } else {
+      if (p > redir && (*(p-1)=='2'))
         handle = 2;
-      }
+      else
+        handle = 1;
 
       p++;
       if ('>' == *p) {