From 2edb94a3025d288dc251bc6cbb2c02e60fbd7438 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Tue, 11 Oct 2016 18:38:20 -0700
Subject: Avoid casting an out-of-range value to long.

---
 inflate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/inflate.c b/inflate.c
index 9ee84d0..2f3fcc9 100644
--- a/inflate.c
+++ b/inflate.c
@@ -1526,7 +1526,7 @@ z_streamp strm;
     struct inflate_state FAR *state;
 
     if (strm == Z_NULL || strm->state == Z_NULL)
-        return (long)(((unsigned long)0 - 1) << 16);
+        return -(1L << 16);
     state = (struct inflate_state FAR *)strm->state;
     return (long)(((unsigned long)((long)state->back)) << 16) +
         (state->mode == COPY ? state->length :
-- 
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