From af88f578abbb0804f05d8b41dc1f7838a3415ef8 Mon Sep 17 00:00:00 2001
From: Marcus Meissner <marcus@jet.franken.de>
Date: Wed, 20 Jan 1999 14:13:02 +0000
Subject: [PATCH] LCMapStringA: if dstlen is insufficient, return
 ERROR_INSUFFICIENT_BUFFER (verified).

---
 ole/ole2nls.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/ole/ole2nls.c b/ole/ole2nls.c
index 82059ed49d1..4660a1779d7 100644
--- a/ole/ole2nls.c
+++ b/ole/ole2nls.c
@@ -2042,9 +2042,10 @@ INT32 WINAPI LCMapString32A(
 
     if (dstlen==0)
       return srclen;  /* dstlen=0 means "do nothing but return required length" */
-    if (dstlen<srclen)
-      srclen=dstlen;  /* No, this case is not an error under Windows 95.
-		         And no '\0' gets written. */
+    if (dstlen<srclen) {
+      SetLastError(ERROR_INSUFFICIENT_BUFFER);
+      return 0;
+    }
     if (mapflags & LCMAP_UPPERCASE)
       f = toupper;
     else if (mapflags & LCMAP_LOWERCASE)
@@ -2227,8 +2228,10 @@ INT32 WINAPI LCMapString32W(
 
     if (dstlen==0)
       return srclen;  
-    if (dstlen<srclen)
-      return 0;       
+    if (dstlen<srclen) {
+      SetLastError(ERROR_INSUFFICIENT_BUFFER);
+      return 0;
+    }
     if (mapflags & LCMAP_UPPERCASE)
       f = toupper;
     else if (mapflags & LCMAP_LOWERCASE)