59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* Check that dlfcn errors are reported properly after dlmopen. Test module.
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Copyright (C) 2021-2022 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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<http://www.gnu.org/licenses/>. */
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#include <dlfcn.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <support/check.h>
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/* Note: This object is not linked into the main program, so we cannot
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use delayed test failure reporting via TEST_VERIFY etc., and have
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to use FAIL_EXIT1 (or something else that calls exit). */
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void
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call_dlsym (const char *name)
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{
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void *ptr = dlsym (NULL, name);
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if (ptr != NULL)
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FAIL_EXIT1 ("dlsym did not fail as expected for: %s", name);
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const char *message = dlerror ();
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if (strstr (message, ": undefined symbol: does not exist X") == NULL)
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FAIL_EXIT1 ("invalid dlsym error message for [[%s]]: %s", name, message);
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message = dlerror ();
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if (message != NULL)
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FAIL_EXIT1 ("second dlsym for [[%s]]: %s", name, message);
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}
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void
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call_dlopen (const char *name)
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{
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void *handle = dlopen (name, RTLD_NOW);
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if (handle != NULL)
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FAIL_EXIT1 ("dlopen did not fail as expected for: %s", name);
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const char *message = dlerror ();
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if (strstr (message, "X: cannot open shared object file:"
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" No such file or directory") == NULL
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&& strstr (message, "X: cannot open shared object file:"
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" File name too long") == NULL)
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FAIL_EXIT1 ("invalid dlopen error message for [[%s]]: %s", name, message);
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message = dlerror ();
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if (message != NULL)
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FAIL_EXIT1 ("second dlopen for [[%s]]: %s", name, message);
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}
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