Your message dated Mon, 13 Oct 2014 22:00:07 +0200 with message-id <[email protected]> and subject line Re: Bug#748926: manpages-dev: umask(2) example unclear has caused the Debian Bug report #748926, regarding manpages-dev: umask(2) example unclear to be marked as done.
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--- Begin Message ---Package: manpages-dev Version: 3.65-1 Severity: minor Dear Maintainer, the man page for umask(2) is a bit unclear, in that it contains the following line : 0666 & ~022 = 0644; i.e., rw-r--r-- that is slightly misleading (took me ~6 hours to understand where the problem was coming from) for anyone who doesn't use ~ as NOT. Suggested fix : replace that line with something like 0666 !& 022 = 0644; since 110 110 110 NAND 000 010 010 = 110 100 100; i.e., rw-r--r-- -- System Information: Debian Release: jessie/sid APT prefers testing-updates APT policy: (500, 'testing-updates'), (500, 'testing') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 3.14-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages manpages-dev depends on: ii manpages 3.65-1 manpages-dev recommends no packages. Versions of packages manpages-dev suggests: ii man-db [man-browser] 2.6.7.1-1 -- no debconf information
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--- Begin Message ---On Thu, May 22, 2014 at 01:08:23PM +0200, Michael Kerrisk (man-pages) wrote: > On Thu, May 22, 2014 at 12:40 PM, wxcafe <[email protected]> wrote: > > the man page for umask(2) is a bit unclear, in that it contains the > > following line : > > 0666 & ~022 = 0644; i.e., rw-r--r-- > > that is slightly misleading (took me ~6 hours to understand where the > > problem > > was coming from) for anyone who doesn't use ~ as NOT. > > > > Suggested fix : replace that line with something like > > 0666 !& 022 = 0644; since 110 110 110 NAND 000 010 010 = 110 100 > > 100; i.e., rw-r--r-- > > But ~ *is* the C bitwise-NOT operator. So I don't understand this > piece: "for anyone who doesn't use ~ as NOT"... Thus, the existing > text seems fine to me. Closing as wontfix. -- Simon Paillard
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