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| author | Aaron Paden | 2017-01-04 15:05:33 -0600 |
|---|---|---|
| committer | Aaron Paden | 2017-01-04 15:09:12 -0600 |
| commit | 6b34a4ed63819e176ccbf3c8f9778666935b678d (patch) | |
| tree | 42d5500a43e652f7f8ed249aaa09ebead92ca5bc /fix-undefined-behavior-in-sign-conversion.patch | |
| download | aur-lib32-audiofile.tar.gz | |
Initial commit.
Diffstat (limited to 'fix-undefined-behavior-in-sign-conversion.patch')
| -rw-r--r-- | fix-undefined-behavior-in-sign-conversion.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fix-undefined-behavior-in-sign-conversion.patch b/fix-undefined-behavior-in-sign-conversion.patch new file mode 100644 index 000000000000..088b312ad7aa --- /dev/null +++ b/fix-undefined-behavior-in-sign-conversion.patch @@ -0,0 +1,18 @@ +From b62c902dd258125cac86cd2df21fc898035a43d3 Mon Sep 17 00:00:00 2001 +From: Michael Pruett <michael@68k.org> +Date: Mon, 29 Aug 2016 23:08:26 -0500 +Subject: [PATCH] Fix undefined behavior in sign conversion. +diff --git a/libaudiofile/modules/SimpleModule.h b/libaudiofile/modules/SimpleModule.h +index 03c6c69..bad85ad 100644 +--- a/libaudiofile/modules/SimpleModule.h ++++ b/libaudiofile/modules/SimpleModule.h +@@ -123,7 +123,8 @@ 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 kMaxSignedValue = (((1 << (kScaleBits - 1)) - 1) << 1) + 1; ++ static const int kMinSignedValue = -kMaxSignedValue - 1; + + struct signedToUnsigned : public std::unary_function<SignedType, UnsignedType> + { |