[hackers] [sbase] ls: check for the index size before using it in visit() || Quentin Rameau

[git]

commit ee8701d501325c74bbbd294da4142e3cbfc988fe
Author:     Quentin Rameau <quinq@fifth.space>
AuthorDate: Thu Feb 18 15:16:25 2016 +0100
Commit:     sin <s...@2f30.org>
CommitDate: Thu Feb 18 14:18:49 2016 +0000

    ls: check for the index size before using it in visit()
    
    Thanks to k0ga for noticing it!

diff --git a/ls.c b/ls.c
index e55c7c5..7c97558 100644
--- a/ls.c
+++ b/ls.c
@@ -311,7 +311,7 @@ visit(const struct entry *ent)
        dev = ent->dev;
        ino = S_ISLNK(ent->mode) ? ent->tino : ent->ino;
 
-       for (i = 0; tree[i].ino && i < PATH_MAX; ++i) {
+       for (i = 0; i < PATH_MAX && tree[i].ino; ++i) {
                if (ino == tree[i].ino && dev == tree[i].dev)
                        return -1;
        }