Aric Stewart : x11drv: ime: In the update functions if we get a null string with a len report this and fix len to be 0 (Coverity 656 and 655).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6d652ddc4f2b3ee011031e67e644f28f5d61959c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6d652ddc4f2b3ee011031e67e6...

Author: Aric Stewart 
Date:   Thu Oct  2 10:43:13 2008 -0500

x11drv: ime: In the update functions if we get a null string with a len report this and fix len to be 0 (Coverity 656 and 655).

---

dlls/winex11.drv/ime.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/dlls/winex11.drv/ime.c b/dlls/winex11.drv/ime.c
index ab94864..b934035 100644
--- a/dlls/winex11.drv/ime.c
+++ b/dlls/winex11.drv/ime.c
@@ -207,6 +207,12 @@ static HIMCC updateCompStr(HIMCC old, LPWSTR compstr, DWORD len)
     if (old == NULL && compstr == NULL && len == 0)
         return NULL;

+    if (compstr == NULL && len != 0)
+    {
+        ERR("compstr is NULL however we have a len!  Please report\n");
+        len = 0;
+    }
+
     if (old != NULL)
     {
         olddata = ImmLockIMCC(old);
@@ -343,6 +349,12 @@ static HIMCC updateResultStr(HIMCC old, LPWSTR resultstr, DWORD len)
     if (old == NULL && resultstr == NULL && len == 0)
         return NULL;

+    if (resultstr == NULL && len != 0)
+    {
+        ERR("resultstr is NULL however we have a len!  Please report\n");
+        len = 0;
+    }
+
     if (old != NULL)
     {
         olddata = ImmLockIMCC(old);