From 207b66ceeba9d6035037f120a03df437ce5ab3ea Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 29 Jan 2002 09:21:41 +0000
Subject: Update.

	* stdlib/Makefile (tests): Add tst-qsort.
	* stdlib/tst-qsort.c: New file.  Written by Paul Eggert.
---
 stdlib/Makefile    | 10 +++++-----
 stdlib/tst-qsort.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 5 deletions(-)
 create mode 100644 stdlib/tst-qsort.c

(limited to 'stdlib')

diff --git a/stdlib/Makefile b/stdlib/Makefile
index 5c91f26..bfb8e1f 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-1999, 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1991-1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -56,10 +56,10 @@ static-only-routines = atexit
 
 distribute	:= exit.h grouping.h abort-instr.h isomac.c tst-fmtmsg.sh
 test-srcs	:= tst-fmtmsg
-tests		:= tst-strtol tst-strtod testmb testrand testsort testdiv \
-		   test-canon test-canon2 tst-strtoll tst-environ	  \
-		   tst-xpg-basename tst-random tst-bsearch tst-limits	  \
-		   tst-rand48 bug-strtod tst-setcontext test-a64l
+tests		:= tst-strtol tst-strtod testmb testrand testsort testdiv  \
+		   test-canon test-canon2 tst-strtoll tst-environ	   \
+		   tst-xpg-basename tst-random tst-bsearch tst-limits	   \
+		   tst-rand48 bug-strtod tst-setcontext test-a64l tst-qsort
 
 
 # Several mpn functions from GNU MP are used by the strtod function.
diff --git a/stdlib/tst-qsort.c b/stdlib/tst-qsort.c
new file mode 100644
index 0000000..f39667b
--- /dev/null
+++ b/stdlib/tst-qsort.c
@@ -0,0 +1,42 @@
+/* Test case by Paul Eggert <eggert@twinsun.com> */
+#include <stdio.h>
+#include <stdlib.h>
+
+struct big { char c[4 * 1024]; };
+
+struct big *array;
+struct big *array_end;
+
+int
+compare (void const *a1, void const *b1)
+{
+  struct big const *a = a1;
+  struct big const *b = b1;
+  if (! (array <= a && a < array_end
+	 && array <= b && b < array_end))
+    {
+      exit (EXIT_FAILURE);
+    }
+  return b->c[0] - a->c[0];
+}
+
+int
+main (int argc, char **argv)
+{
+  size_t i;
+  size_t array_members = argv[1] ? atoi (argv[1]) : 50;
+  array = (struct big *) malloc (array_members * sizeof *array);
+  if (array == NULL)
+    {
+      puts ("no memory");
+      exit (EXIT_FAILURE);
+    }
+
+  array_end = array + array_members;
+  for (i = 0; i < array_members; i++)
+    array[i].c[0] = i % 128;
+
+  qsort (array, array_members, sizeof *array, compare);
+
+  return 0;
+}
-- 
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