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Diffstat (limited to 'gnulib/tests/test-unistd.c')
-rw-r--r--gnulib/tests/test-unistd.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/gnulib/tests/test-unistd.c b/gnulib/tests/test-unistd.c
index dc15bda0d..5fed15cf9 100644
--- a/gnulib/tests/test-unistd.c
+++ b/gnulib/tests/test-unistd.c
@@ -1,5 +1,5 @@
/* Test of <unistd.h> substitute.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -23,6 +23,12 @@
/* Check that the various SEEK_* macros are defined. */
int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
+/* Check that the various *_FILENO macros are defined. */
+#if ! (defined STDIN_FILENO \
+ && (STDIN_FILENO + STDOUT_FILENO + STDERR_FILENO == 3))
+missing or broken *_FILENO macros
+#endif
+
/* Check that the types are all defined. */
size_t t1;
ssize_t t2;