[glib/glib-2-32] gspawn: Abort if we can't open /dev/null

[Matthias Clasen <matthiasc src gnome org>]

commit fd8056b5328e3b399561d55985e27e2a0c47c656
Author: Colin Walters <walters verbum org>
Date:   Thu Jun 21 15:37:39 2012 -0400

    gspawn: Abort if we can't open /dev/null
    
    This really "shouldn't happen", but if we have an assertion here, it
    will help static analysis tools know we're not hitting undefined
    state.

 glib/gspawn.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/glib/gspawn.c b/glib/gspawn.c
index 7df271f..e0a19ae 100644
--- a/glib/gspawn.c
+++ b/glib/gspawn.c
@@ -1083,6 +1083,7 @@ do_exec (gint                  child_err_report_fd,
     {
       /* Keep process from blocking on a read of stdin */
       gint read_null = open ("/dev/null", O_RDONLY);
+      g_assert (read_null != -1);
       sane_dup2 (read_null, 0);
       close_and_invalidate (&read_null);
     }
@@ -1101,6 +1102,7 @@ do_exec (gint                  child_err_report_fd,
   else if (stdout_to_null)
     {
       gint write_null = sane_open ("/dev/null", O_WRONLY);
+      g_assert (write_null != -1);
       sane_dup2 (write_null, 1);
       close_and_invalidate (&write_null);
     }