PVS-StudioWarnings

PVS-Studio warning V610 for MAME

Nov 18th, 2014
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C++ 0.49 KB | None | 0 0
  1. #define ATARIRLE_PRIORITY_SHIFT  12
  2. #define ATARIRLE_PRIORITY_MASK \
  3.   ((~0 << ATARIRLE_PRIORITY_SHIFT) & 0xffff)
  4.  
  5. This suspicious code was found in MAME project by PVS-Studio static code analyzer.
  6. Warning message is:
  7. V610 Undefined behavior. Check the shift operator '<<. The left operand '~0' is negative.  atarig42.c 220
  8.  
  9. PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/
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