[lkml]   [1997]   [Feb]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: struct dirent in Linux 2.0
    On 18 Feb 97 at 16:58, Swen Thuemmler wrote:

    > On Tue, 18 Feb 1997, Ulrich Windl wrote:
    > > > The first is definitely not POSIX. *All* POSIX specifies about struct
    > > > dirent is that it contain d_name.
    > >
    > > At least they should specify the zero-termination property of
    > > d_name, too. Despite of that the HP-UX manual page on dirent(5)
    > > claims that the above structure conforms to AES, SVID2, SVID3, XPG2,
    > > XPG3, XPG4, FIPS 151-2, POSIX.1 -- Now what about Linux?
    > Well, my copy of POSIX.1 (1003.1 from 1988) says:
    > "The readdir() function returns a pointer to an object of type struct
    > dirent that includes the member:
    > Member Type Member Name Description
    > ----------- ----------- -----------
    > char[] d_name Null-terminated filename
    > The character array d_name is of unspecified size, but the number of bytes
    > preceding the terminating null character shall not exceed {NAME_MAX}."
    > So it explicitely states, that d_name is zero-terminated. It mentions no
    > other members of the dirent structure, so any other member is nonstandard
    > (but not explicitly forbidden, you may use it, but then your program does
    > not conform to POSIX.1, I think).

    OK, convinced. Unfortunately the description I had did not
    distinguish what was POSIX, and what was an extension to POSIX.

    Thanks to everybody who put some light into that!


     \ /
      Last update: 2005-03-22 13:38    [W:0.018 / U:6.380 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site