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Why would Rust do anything weird when presented with the string "%p%s%s%s%s%n"?

• junon 5y ago
  Why would C?
  • pshc 5y ago
    Do you want the obvious explanation? Because the string was passed into the format string parameter of some sprintf-like, a common mistake in C usually caught by warnings but seemingly ignored or suppressed in this case. edit: turns out from the analysis it was CFStringCreateWithFormatAndArguments, so yes, a sprintf-like used incorrectly
    • junon 5y ago
      This is possible with any language. Not just C.
      • melff 5y ago
        No, Rust for example explicitly disallows this. https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=49fd5d8fa05cbf4fb07bd9befbe016d2 https://play.rust-lang.org/?version=stable&mode=debug&editio...
        • junon 5y ago
          You miss my point entirely.
          • melff 5y ago
            What is your point then?
            • junon 5y ago
              You can do this in any language. Rust doesn't support it with PrintLn but it's still possible with Rust. Stop acting like C did anything wrong.