1 /* Copyright (C) 2000-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
21 #include <tst-stack-align.h>
41 #define narr (sizeof (arr) / sizeof (arr[0]))
43 static int align_check;
46 comp (const void *p1, const void *p2)
48 struct item *e1 = (struct item *) p1;
49 struct item *e2 = (struct item *) p2;
52 align_check = TEST_STACK_ALIGN () ? -1 : 1;
54 return e1->val - e2->val;
66 for (cnt = 0; cnt < narr; ++cnt)
69 key.val = arr[cnt].val;
71 res = (struct item *) bsearch (&key, arr, narr, sizeof (arr[0]), comp);
74 printf ("entry %zd not found\n", cnt);
77 else if (res != &arr[cnt])
79 puts ("wrong entry returned");
84 /* And some special tests that shouldn't find any entry. */
86 res = (struct item *) bsearch (&key, arr, narr, sizeof (arr[0]), comp);
89 puts ("found an entry that's not there");
94 res = (struct item *) bsearch (&key, arr, narr, sizeof (arr[0]), comp);
97 puts ("found an entry that's not there");
102 res = (struct item *) bsearch (&key, arr, 0, sizeof (arr[0]), comp);
105 puts ("found an entry that's not there");
109 /* Now the array contains only one element - no entry should be found. */
110 for (cnt = 0; cnt < narr; ++cnt)
112 key.val = arr[cnt].val;
114 res = (struct item *) bsearch (&key, &arr[5], 1, sizeof (arr[0]), comp);
119 printf ("entry %zd not found\n", cnt);
122 else if (res != &arr[cnt])
124 puts ("wrong entry returned");
128 else if (res != NULL)
130 puts ("found an entry that's not there");
135 if (align_check == 0)
137 puts ("alignment not checked");
140 else if (align_check == -1)
142 puts ("stack not sufficiently aligned");
152 #define TEST_FUNCTION do_test ()
153 #include "../test-skeleton.c"