about summary refs log tree commit diff
path: root/stdlib/tst-qsort.c
diff options
context:
space:
mode:
Diffstat (limited to 'stdlib/tst-qsort.c')
-rw-r--r--stdlib/tst-qsort.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/stdlib/tst-qsort.c b/stdlib/tst-qsort.c
index f39667b17c..2b26e74d0b 100644
--- a/stdlib/tst-qsort.c
+++ b/stdlib/tst-qsort.c
@@ -1,17 +1,24 @@
 /* Test case by Paul Eggert <eggert@twinsun.com> */
 #include <stdio.h>
 #include <stdlib.h>
+#include <tst-stack-align.h>
 
 struct big { char c[4 * 1024]; };
 
 struct big *array;
 struct big *array_end;
 
+static int align_check;
+
 int
 compare (void const *a1, void const *b1)
 {
   struct big const *a = a1;
   struct big const *b = b1;
+
+  if (!align_check)
+    align_check = TEST_STACK_ALIGN () ? -1 : 1;
+
   if (! (array <= a && a < array_end
 	 && array <= b && b < array_end))
     {
@@ -38,5 +45,11 @@ main (int argc, char **argv)
 
   qsort (array, array_members, sizeof *array, compare);
 
+  if (align_check == -1)
+    {
+      puts ("stack not sufficiently aligned");
+      exit (EXIT_FAILURE);
+    }
+
   return 0;
 }