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2745db8dd3
This ensures that the ctype data pointers in TLS are valid in secondary namespaces even without initialization via __ctype_init. Reviewed-by: Frédéric Bérat <fberat@redhat.com>
68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/* Test that <ctype.h> in a secondary namespace works.
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Copyright (C) 2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Before this file is included, define DO_STATIC_TEST to 0 or 1.
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With 0, dlmopen is used for the test. With 1, dlopen is used. */
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#include <stddef.h>
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#include <stdlib.h>
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#include <support/check.h>
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#include <support/support.h>
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#include <support/xdlfcn.h>
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#include <support/xthread.h>
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static int (*my_isalpha) (int);
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static int (*my_toupper) (int);
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static int (*my_tolower) (int);
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static void *
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checks (void *ignore)
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{
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TEST_VERIFY (my_isalpha ('a'));
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TEST_VERIFY (!my_isalpha ('0'));
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TEST_COMPARE (my_toupper ('a'), 'A');
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TEST_COMPARE (my_toupper ('A'), 'A');
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TEST_COMPARE (my_tolower ('a'), 'a');
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TEST_COMPARE (my_tolower ('A'), 'a');
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return NULL;
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}
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static int
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do_test (void)
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{
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char *dso = xasprintf ("%s/ctype/tst-ctype-tls-mod.so", support_objdir_root);
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#if DO_STATIC_TEST
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void *handle = xdlopen (dso, RTLD_LAZY);
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#else
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void *handle = xdlmopen (LM_ID_NEWLM, dso, RTLD_LAZY);
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#endif
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my_isalpha = xdlsym (handle, "my_isalpha");
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my_toupper = xdlsym (handle, "my_toupper");
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my_tolower = xdlsym (handle, "my_tolower");
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checks (NULL);
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xpthread_join (xpthread_create (NULL, checks, NULL));
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xdlclose (handle);
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free (dso);
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return 0;
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}
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#include <support/test-driver.c>
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