[ref] mvbk() return if cwd is /
commitb9d026726544ac0e95e942f61b5aa10b16deb0a7
authorafify <hassan@afify.dev>
Fri, 9 Apr 2021 23:24:47 +0000 (10 02:24 +0300)
committerafify <hassan@afify.dev>
Fri, 9 Apr 2021 23:24:47 +0000 (10 02:24 +0300)
tree42eabfea8b438b3422e768c3063029b1f359f6dc
parentaadc7c4c101dad3faf029a3afe9c27a37a590576
[ref] mvbk() return if cwd is /

- replace strlen with strnlen
- early return if cwd is /
sfm.c