Re: permissions not honoured by /bin/pwd aka getcwd

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In article <cistron.200002241602.KAA07287@tomcat.admin.navo.hpc.mil>,
Jesse Pollard <pollard@tomcat.admin.navo.hpc.mil> wrote:
>The program /bin/pwd gives the expected answer by reading the current directory
>to find .., then reading it to locate the inode reference to the current
>unnamed directory (well, known as . -> alias is looked up in .. by searching
>for the inode number). This cycle repeats until /bin/pwd reaches the root
>directory.

Under Solaris and Linux 2.0.x and earlier, yes. But Linux 2.2.x and
up has a getcwd() *system call*. That is pretty unique for a Unix
like system. Linux saves the path to an inode internally - using
something called 'dentries'.

Mike.

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• Next message: Mike A. Harris: "Re: Linux console driver maintainer?"
• Previous message: Christoph Hellwig: "[PATCH] removal of legacy sound defines"
• In reply to: Jesse Pollard: "Re: permissions not honoured by /bin/pwd aka getcwd"
• Next in thread: Khimenko Victor: "Re: permissions not honoured by /bin/pwd aka getcwd"
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