kernel32: Check for a valid pointer before yanking the line.

Signed-off-by: Hugh McMaster <hugh.mcmaster@outlook.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

kernel32: Check for a valid pointer before yanking the line.
8cacba5f · Hugh McMaster · Alexandre Julliard · 6a3ffc4f · 8cacba5f
Commit 8cacba5f authored Dec 13, 2016 by Hugh McMaster Committed by Alexandre Julliard Dec 13, 2016
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editline.c dlls/kernel32/editline.c +2 -1

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--- a/dlls/kernel32/editline.c
+++ b/dlls/kernel32/editline.c
@@ -636,7 +636,8 @@ static void WCEL_CapitalizeWord(WCEL_Context* ctx)

 static void WCEL_Yank(WCEL_Context* ctx)
 {
-    WCEL_InsertString(ctx, ctx->yanked);
+    if (ctx->yanked)
+        WCEL_InsertString(ctx, ctx->yanked);
 }

 static void WCEL_KillToEndOfLine(WCEL_Context* ctx)