commit c674edbf27450bbb2396b1434421b1db5325d8f4
author Elliott Hughes <enh@google.com> Tue Aug 26 15:56:54 2014 -0700
committer Elliott Hughes <enh@google.com> Tue Aug 26 15:56:54 2014 -0700
tree 31855742fc4370e2573f29a706a8223aa4d46edf
parent c764fb24ccb47e05d8e140cde5b4111225790ef1

libc should use O_CLOEXEC when opening files for its own use.

Change-Id: I159f1d57e0ca090d837f57854fcef5879b8b8248

libc/bionic/pututline.c

diff --git a/libc/bionic/pututline.c b/libc/bionic/pututline.c
index c8427f7..8cbf470 100644
--- a/libc/bionic/pututline.c
+++ b/libc/bionic/pututline.c
@@ -36,7 +36,7 @@
     struct utmp u;
     long i;
 
-    if (!(f = fopen(_PATH_UTMP, "w+")))
+    if (!(f = fopen(_PATH_UTMP, "w+e")))
         return;
 
     while (fread(&u, sizeof(struct utmp), 1, f) == 1)
@@ -55,7 +55,7 @@
 
     fclose(f);
 
-    if (!(f = fopen(_PATH_UTMP, "w+")))
+    if (!(f = fopen(_PATH_UTMP, "w+e")))
         return;
     fwrite(utmp, sizeof(struct utmp), 1, f);