94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/* Test of <stdio.h> substitute.
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Copyright (C) 2007, 2009-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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#include <config.h>
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#include <stdio.h>
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/* Check that the various SEEK_* macros are defined. */
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int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
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/* Check that the _PRINTF_NAN_LEN_MAX macro is defined. */
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int pnlm[] = { _PRINTF_NAN_LEN_MAX };
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/* Check that NULL can be passed through varargs as a pointer type,
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per POSIX 2008. */
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static_assert (sizeof NULL == sizeof (void *));
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/* Check that the types are all defined. */
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fpos_t t1;
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off_t t2;
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size_t t3;
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ssize_t t4;
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va_list t5;
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off64_t t6;
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#include <string.h>
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#include "signed-nan.h"
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#include "signed-snan.h"
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#include "macros.h"
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int
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main (void)
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{
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{
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double value1;
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char buf[64];
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value1 = positive_NaNd();
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sprintf (buf, "%g", value1);
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ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
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value1 = negative_NaNd();
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sprintf (buf, "%g", value1);
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ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
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}
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#if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT
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/* Check the value of _PRINTF_NAN_LEN_MAX. */
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{
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double value1;
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memory_double value2;
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char buf[64];
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value1 = positive_SNaNd();
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sprintf (buf, "%g", value1);
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ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
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value1 = negative_SNaNd();
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sprintf (buf, "%g", value1);
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ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
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value2.value = positive_NaNd ();
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#if DBL_EXPBIT0_BIT == 20
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value2.word[DBL_EXPBIT0_WORD] ^= 0x54321;
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#endif
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sprintf (buf, "%g", value2.value);
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ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
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value2.value = negative_NaNd ();
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#if DBL_EXPBIT0_BIT == 20
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value2.word[DBL_EXPBIT0_WORD] ^= 0x54321;
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#endif
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sprintf (buf, "%g", value2.value);
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ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
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}
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#endif
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return test_exit_status;
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}
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