save-cwd: don't leak a file descriptor when the caller execs

[gnulib.git] / lib / save-cwd.c

diff --git a/lib/save-cwd.c b/lib/save-cwd.c
index 7394d50..cf43a35 100644 (file)
--- a/lib/save-cwd.c
+++ b/lib/save-cwd.c
@@ -31,6 +31,7 @@
 #include "chdir-long.h"
 #include "unistd--.h"
 #include "xgetcwd.h"
+#include "cloexec.h"
 
 #if GNULIB_FCNTL_SAFER
 # include "fcntl--.h"
@@ -84,6 +85,7 @@ save_cwd (struct saved_cwd *cwd)
       return cwd->name ? 0 : -1;
     }
 
+  set_cloexec_flag (cwd->desc, true);
   return 0;
 }