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Perf #1473

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Perf #1473

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Commits on May 6, 2024

  1. Annotate mbstowcs_nonfatal() with restrict 

    The arguments to our mbrtowc(3) wrapper should not alias, since they
also must not for mbrtowc(3).

Might help some compilers optimizing the code.
    @cgzones
    cgzones committed May 6, 2024
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  2. Linux: use fast integer parsing for /proc/<pid>/stat 

    /proc/<pid>/stat is parsed for every displayed process on every
iteration containing several numbers to parse.  Use out own
implementations since strto(u)l(3) came up during profiling.
    @cgzones
    cgzones committed May 6, 2024
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