Public bug reported:
Due to lack of time, I can't investigate this, but I repeatedly observed
it. Basically, when you call readdir, it returns a struct dirent. The
d_type field is supposed to be DT_LNK for symbolic links when
_DIRENT_HAVE_D_TYPE is known to the compiler (which it is). This is
usually true, for example /usr/bin/X11 is a circularly-referential
symbolic link with DT_LNK asserted. But when I install an Ubuntu 14.04
64-bit desktop image to a USB stick (using either Startup Disk Creator
or the Disk utility, sorry I don't recall), I get a similar circularly-
referential directory called "ubuntu". This symbolic link does not have
DT_LNK set. lstat can get around this problem and see the link
attribute, but the bug here is that d_type is not the expected value. I
based all this on "man readdir", so it might be just a doc bug.
By "circularly referential", I mean a symbolic link to "." (current
folder).
** Affects: gnome-terminal (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1321091
Title:
readdir function returns inconsistent d_type
Status in “gnome-terminal” package in Ubuntu:
New
Bug description:
Due to lack of time, I can't investigate this, but I repeatedly
observed it. Basically, when you call readdir, it returns a struct
dirent. The d_type field is supposed to be DT_LNK for symbolic links
when _DIRENT_HAVE_D_TYPE is known to the compiler (which it is). This
is usually true, for example /usr/bin/X11 is a circularly-referential
symbolic link with DT_LNK asserted. But when I install an Ubuntu 14.04
64-bit desktop image to a USB stick (using either Startup Disk Creator
or the Disk utility, sorry I don't recall), I get a similar
circularly-referential directory called "ubuntu". This symbolic link
does not have DT_LNK set. lstat can get around this problem and see
the link attribute, but the bug here is that d_type is not the
expected value. I based all this on "man readdir", so it might be just
a doc bug.
By "circularly referential", I mean a symbolic link to "." (current
folder).
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