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-rw-r--r--ChangeLog4
-rw-r--r--misc/tst-preadvwritev2-common.c14
2 files changed, 17 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 4802f7c428..824f19a272 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -31,6 +31,10 @@
__GI_feraiseexcept.
* sysdeps/mach/hurd/i386/Implies: Add mach/hurd/x86.
* sysdeps/mach/hurd/x86/dl-sysdep.c: New file.
+ * misc/tst-preadvwritev2-common.c (RWF_HIPRI, RWF_DSYNC, RWF_SYNC,
+ RWF_NOWAIT): Define to 0 if undefined already.
+ (do_test_with_invalid_flags): Set invalid_flag to 2 if RWF_SUPPORTED
+ boils down to 0.
2017-09-01 Joseph Myers <joseph@codesourcery.com>
diff --git a/misc/tst-preadvwritev2-common.c b/misc/tst-preadvwritev2-common.c
index 8abedc14d0..9d4909bdb7 100644
--- a/misc/tst-preadvwritev2-common.c
+++ b/misc/tst-preadvwritev2-common.c
@@ -22,9 +22,21 @@
static void
do_test_with_invalid_flags (void)
{
+#ifndef RWF_HIPRI
+# define RWF_HIPRI 0
+#endif
+#ifndef RWF_DSYNC
+# define RWF_DSYNC 0
+#endif
+#ifndef RWF_SYNC
+# define RWF_SYNC 0
+#endif
+#ifndef RWF_NOWAIT
+# define RWF_NOWAIT 0
+#endif
#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT)
/* Set the next bit from the mask of all supported flags. */
- int invalid_flag = __builtin_clz (RWF_SUPPORTED);
+ int invalid_flag = RWF_SUPPORTED != 0 ? __builtin_clz (RWF_SUPPORTED) : 2;
invalid_flag = 0x1 << ((sizeof (int) * CHAR_BIT) - invalid_flag);
char buf[32];