[Toybox] [PATCH] lib getdirname()

[Jarno Mäkipää]

This patch relates pull request created by E5ten
https://github.com/landley/toybox/pull/145


I would write getdirname() following way so it should output similar
output as libc dirname
but return always pointer that can be freed. You might have more
elegant solution but here is my take.

return similar dirnames as libc dirname
path       getdirname
/usr/lib/  /usr
/usr/lib   /usr
/usr/      /
usr        .
/          /
.          .
..         .
---
 lib/lib.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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