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  1. MariaDB Server
  2. MDEV-6650

LINT_INIT emits code in non-debug builds

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 5.5.39, 10.0.13, 10.1.1
    • Fix Version/s: 10.1.4
    • Component/s: OTHER
    • Labels:
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      Description

      Leaving variables uninitialized in certain cases helps to achieve top-notch performance. Sometimes compiler thinks that variable may be used uninitialized (whereas it may not) and emits a warning.

      To silence these warnings there is LINT_INIT() macro:

      #if defined(_lint) || defined(FORCE_INIT_OF_VARS) || \
          (defined(__GNUC__) && defined(__cplusplus))
      #define LINT_INIT(var) var= 0
      #else
      #define LINT_INIT(var)
      #endif

      It always emits "x= 0" for C++ code compiled with gcc. In fact this is a workaround for gcc bug, which was fixed 3 years ago.

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              Assignee:
              svoj Sergey Vojtovich
              Reporter:
              svoj Sergey Vojtovich
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                Dates

                Created:
                Updated:
                Resolved:

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