From 273d609bac91b6e373dc4a7b08a00a4d48bda40c Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Wed, 10 Feb 2016 21:21:08 +0100
Subject: [PATCH] mem.c: Fix unintended sign extension (found by Coverity)
 sign_extension: Suspicious implicit sign extension: count with type unsigned
 short (16 bits, unsigned) is promoted in count * size to type int (32 bits,
 signed), then sign-extended to type unsigned long (64 bits, unsigned). If
 count * size is greater than 0x7FFFFFFF, the upper bits of the result will
 all be 1.

---
 src/core/mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/mem.c b/src/core/mem.c
index ffc0c292..9ca9e3c4 100644
--- a/src/core/mem.c
+++ b/src/core/mem.c
@@ -674,7 +674,7 @@ void *mem_calloc(mem_size_t count, mem_size_t size)
   p = mem_malloc(count * size);
   if (p) {
     /* zero the memory */
-    memset(p, 0, count * size);
+    memset(p, 0, (size_t)count * (size_t)size);
   }
   return p;
 }