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89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/* Test wide output conversion for warn.
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Copyright (C) 2018-2023 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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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xmemstream.h>
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#include <wchar.h>
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/* Used to trigger the large-string path in __fxprintf. */
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#define PADDING \
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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#define LPADDING \
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L"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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static void
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one_test (const char *message, int error_code, const wchar_t *expected)
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{
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wchar_t *buffer = NULL;
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size_t length = 0;
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FILE *fp = open_wmemstream (&buffer, &length);
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TEST_VERIFY_EXIT (fp != NULL);
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FILE *old_stderr = stderr;
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stderr = fp;
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errno = error_code;
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switch (error_code)
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{
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case E2BIG:
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warn ("%s with padding " PADDING, message);
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break;
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case EAGAIN:
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warn ("%s", message);
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break;
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case -1:
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warnx ("%s", message);
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break;
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case -2:
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warnx ("%s with padding " PADDING, message);
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break;
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}
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stderr = old_stderr;
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TEST_VERIFY_EXIT (!ferror (fp));
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TEST_COMPARE (fclose (fp), 0);
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if (wcscmp (buffer, expected) != 0)
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FAIL_EXIT1 ("unexpected output: %ls", buffer);
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free (buffer);
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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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one_test ("no errno", -1,
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L"tst-warn-wide: no errno\n");
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one_test ("no errno", -2,
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L"tst-warn-wide: no errno with padding " PADDING "\n");
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one_test ("with errno", EAGAIN,
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L"tst-warn-wide: with errno: Resource temporarily unavailable\n");
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one_test ("with errno", E2BIG,
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L"tst-warn-wide: with errno with padding " PADDING
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": Argument list too long\n");
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return 0;
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}
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#include <support/test-driver.c>
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