commit fff20ab005ccd98373c5a0675c286e20cf84cbb7
author Rob Landley <rob@landley.net> Fri Jul 15 04:39:35 2016 -0500
committer Rob Landley <rob@landley.net> Fri Jul 15 04:39:35 2016 -0500
tree ea3c03bae2963410f585fe7c77035dd3fd0cb368
parent f3b9fd4ec2bdc7f77ecfe52aa9f3e671e325a8e5

Don't close stdin when loopfiles reads "-".

lib/lib.c

diff --git a/lib/lib.c b/lib/lib.c
index 3f4819f..09264c9 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -570,7 +570,7 @@
       continue;
     }
     function(fd, *argv);
-    if (flags & O_CLOEXEC) close(fd);
+    if ((flags & O_CLOEXEC) && fd) close(fd);
   } while (*++argv);
 }