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|    comp.lang.c    |    Meh, in C you gotta define EVERYTHING    |    243,242 messages    |
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|    Message 242,847 of 243,242    |
|    Kaz Kylheku to Kaz Kylheku    |
|    Re: UB-free slice    |
|    06 Jan 26 20:50:42    |
      From: 046-301-5902@kylheku.com              On 2026-01-06, Kaz Kylheku <046-301-5902@kylheku.com> wrote:       > implications in the absence of restrict. Various ways of implemeting a       > memcpy-like function will produce various unexpected results when       > objects overlap, even without any undefined behavior taking place. For       > instance if we copy byte-by-byte, from lowest address to highest, then       > we end up writing into memory that our loop is about to read from,       > corrupting the data.              I mean, of course, when we copy from a lower addressed object to a higher       addresed object which overlaps it.              --       TXR Programming Language: http://nongnu.org/txr       Cygnal: Cygwin Native Application Library: http://kylheku.com/cygnal       Mastodon: @Kazinator@mstdn.ca              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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