[Bug 191263] New: [patch] dd(1): Incorrect casting of arguments

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191263

            Bug ID: 191263
           Summary: [patch] dd(1): Incorrect casting of arguments
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
                OS: Any
            Status: Needs Triage
          Severity: Affects Many People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: will at worrbase.com

Created attachment 144014
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=144014&action=edit
Better argument handling patch

dd(1) casts many of its numeric arguments from uintmax_t to intmax_t and back
again to detect whether or not the original arguments were negative. This is
not correct.

Attached is a patch that removes the pointless casts, and detects negative
numbers slightly more reliably.

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