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Ticket Resolution Summary Owner Reporter
#119 fixed Undefined behavior in img.c Olly Betts Matěj Plch
Description

Hi, therion uses img.h and img.c, and when I compile and run therion with Undefined Behavior Sanitizer, this error appears:

UndefinedBehaviorSanitizer: undefined-behavior
../extern/img.c:103:27: runtime error: left shift of 255 by 24 places cannot be represented in type 'int'

Problem is in function get32(), where shifting of signed value by 24 bits interferes with a sign bit. Bitwise operations should be done with unsigned types.

Therion CI job where this error occured: https://github.com/Afforix/therion/runs/2025117514?check_suite_focus=true.

#120 fixed aven hangs on macos is started without a file Olly Betts Enrico Fratnik
Description

Dear all,

I am able to compile survex on OSX 11.2.3 with i7 processor [survex 1.2.44], unfortunately aven crash each time I try to star it (log attached)

Do you have any idea

Thank you

enrico

#121 fixed brew upgrade issues on macOS Olly Betts Simon Murphy
Description

Hi, I've recently migrated to BigSur? (the latest macOS), which meant survex no longer loaded.

I've just done a brew upgrade survex to get the latest version (I'm now at 1.2.43), hoping this would resolve the problems.

When I run

aven

I get (for user sjm):

dyld: Library not loaded: /Users/sjm/Developer/opt/proj/lib/libproj.19.dylib
  Referenced from: /Users/sjm/Developer/bin/aven
  Reason: image not found
[1]    67839 abort      aven

I did a bit of googling and tried to

brew unlink survex

then

brew link survex

again, but no luck.

When that didn't change anything, I tried

brew reinstall survex

but still no luck.

I tried

ln -s /Users/sjm/Developer/Cellar/proj/7.2.1.reinstall/lib/libproj.19.dylib /Users/sjm/Developer/opt/proj/lib/libproj.19.dylib

but still no success.

Thanks in advance for your help. Simon.

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