commit 17a94c572a48a2268b9749055b6984cc63015965
author Rob Landley <rob@landley.net> Tue Jun 23 13:15:13 2015 -0500
committer Rob Landley <rob@landley.net> Tue Jun 23 13:15:13 2015 -0500
tree 01358f4381c298451938f2bc0ddf7aac6df0ed10
parent 28727ba7cddb932bfa88eef514e60fe8d337087a

Don't depend on malloc(0) to return non-null.

toys/posix/ls.c

diff --git a/toys/posix/ls.c b/toys/posix/ls.c
index 5dc392c..bba3431 100644
--- a/toys/posix/ls.c
+++ b/toys/posix/ls.c
@@ -320,7 +320,7 @@
   for (sort = 0;;sort = xmalloc(dtlen*sizeof(void *))) {
     for (dtlen = 0, dt = indir->child; dt; dt = dt->next, dtlen++)
       if (sort) sort[dtlen] = dt;
-    if (sort) break;
+    if (sort || !dtlen) break;
   }
 
   // Label directory if not top of tree, or if -R