Sync libc syscall tests with changes in upstream NetBSD. Use #ifdef

to document differences to NetBSD behaviour, this helps to track
upstream.  Mark currently failing test as expected failures.  So
test programs get compiled and executed, but it shows that further
investigation is necceassry.

1 files changed, 10 insertions, 2 deletions

diff --git a/src/regress/lib/libc/sys/t_select.c b/src/regress/lib/libc/sys/t_select.c
index 94ff3d3410..b10fe87495 100644
--- a/src/regress/lib/libc/sys/t_select.c
+++ b/src/regress/lib/libc/sys/t_select.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: t_select.c,v 1.1.1.1 2019/11/19 19:57:04 bluhm Exp $  */
+/*      $OpenBSD: t_select.c,v 1.2 2020/11/09 23:18:51 bluhm Exp $      */
 /*      $NetBSD: t_select.c,v 1.4 2017/01/13 21:18:33 christos Exp $ */
 
 /*-
@@ -76,10 +76,18 @@ prmask(const sigset_t *m, char *buf, size_t len)
         buf[0] = '0';
         buf[1] = 'x';
 #define N(p, a) (((p) >> ((a) * 4)) & 0xf)
-        /* Adjusted for OpenBSD, on NetBSD sigset_t is a struct */
+#ifdef __OpenBSD__
+        /* On NetBSD sigset_t is a struct */
         uint32_t p = (*m);
         for (size_t k = sizeof(p); k > 0; k--)
                 buf[j++] = xtoa(N(p, k - 1));
+#else
+        for (size_t i = __arraycount(m->__bits); i > 0; i--) {
+                uint32_t p = m->__bits[i - 1];
+                for (size_t k = sizeof(p); k > 0; k--)
+                        buf[j++] = xtoa(N(p, k - 1));
+        }
+#endif
         buf[j] = '\0';
         return buf;
 }