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From 28cfdbbcb96a69087c3d21faf69b5eae7bcf6d69 Mon Sep 17 00:00:00 2001

From: Hodorgasm <nsane457@gmail.com>

Date: Wed, 11 May 2016 21:42:07 -0400

Subject: [PATCH] Cast to unsigned while left bit-shifting

​

GCC-6 now treats the left bitwise-shift of a negative integer as nonconformant so explicitly cast to an unsigned int while bit-shifting.

​

Downloaded from upstream PR:

https://github.com/mpruett/audiofile/pull/28

​

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>

---

 libaudiofile/modules/SimpleModule.h | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

​

diff --git a/libaudiofile/modules/SimpleModule.h b/libaudiofile/modules/SimpleModule.h

index 03c6c69..4014fb2 100644

--- a/libaudiofile/modules/SimpleModule.h

+++ b/libaudiofile/modules/SimpleModule.h

@@ -123,7 +123,7 @@ struct signConverter

    typedef typename IntTypes<Format>::UnsignedType UnsignedType;

    static const int kScaleBits = (Format + 1) * CHAR_BIT - 1;

-   static const int kMinSignedValue = -1 << kScaleBits;

+   static const int kMinSignedValue = static_cast<signed>(static_cast<unsigned>(-1) << kScaleBits);;

    struct signedToUnsigned : public std::unary_function<SignedType, UnsignedType>

    {