package/audiofile/0002-cast-to-unsigned-gcc6.patch

   1 From 28cfdbbcb96a69087c3d21faf69b5eae7bcf6d69 Mon Sep 17 00:00:00 2001
   2 From: Hodorgasm <nsane457@gmail.com>
   3 Date: Wed, 11 May 2016 21:42:07 -0400
   4 Subject: [PATCH] Cast to unsigned while left bit-shifting
   5
   6 GCC-6 now treats the left bitwise-shift of a negative integer as nonconformant so explicitly cast to an unsigned int while bit-shifting.
   7
   8 Downloaded from upstream PR:
   9 https://github.com/mpruett/audiofile/pull/28
  10
  11 Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
  12 ---
  13  libaudiofile/modules/SimpleModule.h | 2 +-
  14  1 file changed, 1 insertion(+), 1 deletion(-)
  15
  16 diff --git a/libaudiofile/modules/SimpleModule.h b/libaudiofile/modules/SimpleModule.h
  17 index 03c6c69..4014fb2 100644
  18 --- a/libaudiofile/modules/SimpleModule.h
  19 +++ b/libaudiofile/modules/SimpleModule.h
  20 @@ -123,7 +123,7 @@ struct signConverter
  21         typedef typename IntTypes<Format>::UnsignedType UnsignedType;
  22
  23         static const int kScaleBits = (Format + 1) * CHAR_BIT - 1;
  24 -       static const int kMinSignedValue = -1 << kScaleBits;
  25 +       static const int kMinSignedValue = static_cast<signed>(static_cast<unsigned>(-1) << kScaleBits);;
  26
  27         struct signedToUnsigned : public std::unary_function<SignedType, UnsignedType>
  28         {