path: root/procps/lsof.c
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* lsof: correct check for symbolic linkGravatar Thomas De Schampheleire2013-06-271-3/+6
| | | | | | | | | | | | | | | | | | | | Busybox lsof used the d_type field of a 'struct dirent' to verify whether the entry is a symbolic link. This field, however, is not portable. On at least one board [1] I have seen, that field is 0, and the check fails even though the entry is a link. The explicit check for a symbolic link is really only needed to skip the default directory entries '.' and '..'. The directory /proc/<pid>/fd/ should not contain anything else but these two and symbolic links. With these assumptions, this patch replaces the explicit link check with a basic check for '.' and '..' (and any hidden file). In the unlikely case that there are other file types, xmalloc_readlink() will return NULL, and we can skip the entry. [1] A MIPS-based board with glibc 2.9, Linux Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* lsof: new appletGravatar Sven Oliver Moll2012-04-011-0/+76
text data bss dec hex filename 221 0 0 221 dd lsof.o Signed-off-by: Sven Oliver Moll <busybox@svol.li> Signed-off-by: souf <souf_oued@yahoo.fr> Signed-off-by: Tito Ragusa <farmatito@tiscali.it> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>