kernel32: Replace NULL argument with pointer to DWORD.

On Windows, passing in NULL can cause a memory access violation. Signed-off-by: Hugh McMaster <hugh.mcmaster@outlook.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

kernel32: Replace NULL argument with pointer to DWORD.
7223330f · Hugh McMaster · Alexandre Julliard · da26ee74 · 7223330f
Commit 7223330f authored Nov 30, 2015 by Hugh McMaster Committed by Alexandre Julliard Nov 30, 2015
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editline.c dlls/kernel32/editline.c +3 -1

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--- a/dlls/kernel32/editline.c
+++ b/dlls/kernel32/editline.c
@@ -98,7 +98,9 @@ static void WCEL_Dump(WCEL_Context* ctx, const char* pfx)

 static BOOL WCEL_Get(WCEL_Context* ctx, INPUT_RECORD* ir)
 {
-    if (ReadConsoleInputW(ctx->hConIn, ir, 1, NULL)) return TRUE;
+    DWORD num_read;
+
+    if (ReadConsoleInputW(ctx->hConIn, ir, 1, &num_read)) return TRUE;
    ctx->error = 1;
    return FALSE;
 }