mirror of git://sourceware.org/git/glibc.git
94 lines
3.6 KiB
C
94 lines
3.6 KiB
C
/* Test printf PRI* macro narrowing arguments.
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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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#include <inttypes.h>
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#include <stdio.h>
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#include <string.h>
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#include <libc-diag.h>
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#include <support/check.h>
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#define CHECK_PRINTF(EXPECTED, FMT, ...) \
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do \
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{ \
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int ret = snprintf (buf, sizeof buf, FMT, \
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__VA_ARGS__); \
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TEST_COMPARE_STRING (buf, EXPECTED); \
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TEST_COMPARE (ret, strlen (EXPECTED)); \
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} \
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while (0)
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_Static_assert (INT_FAST8_WIDTH == 8, "width of int_fast8_t");
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_Static_assert (UINT_FAST8_WIDTH == 8, "width of uint_fast8_t");
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static int
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do_test (void)
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{
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char buf[1024];
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CHECK_PRINTF ("-121", "%" PRId8, 1234567);
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CHECK_PRINTF ("-121", "%" PRIdLEAST8, 1234567);
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CHECK_PRINTF ("-121", "%" PRIdFAST8, 1234567);
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CHECK_PRINTF ("-10617", "%" PRId16, 1234567);
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CHECK_PRINTF ("-10617", "%" PRIdLEAST16, 1234567);
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CHECK_PRINTF ("-121", "%" PRIi8, 1234567);
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CHECK_PRINTF ("-121", "%" PRIiLEAST8, 1234567);
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CHECK_PRINTF ("-121", "%" PRIiFAST8, 1234567);
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CHECK_PRINTF ("-10617", "%" PRIi16, 1234567);
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CHECK_PRINTF ("-10617", "%" PRIiLEAST16, 1234567);
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CHECK_PRINTF ("207", "%" PRIo8, 1234567);
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CHECK_PRINTF ("207", "%" PRIoLEAST8, 1234567);
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CHECK_PRINTF ("207", "%" PRIoFAST8, 1234567);
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CHECK_PRINTF ("153207", "%" PRIo16, 1234567);
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CHECK_PRINTF ("153207", "%" PRIoLEAST16, 1234567);
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CHECK_PRINTF ("135", "%" PRIu8, 1234567);
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CHECK_PRINTF ("135", "%" PRIuLEAST8, 1234567);
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CHECK_PRINTF ("135", "%" PRIuFAST8, 1234567);
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CHECK_PRINTF ("54919", "%" PRIu16, 1234567);
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CHECK_PRINTF ("54919", "%" PRIuLEAST16, 1234567);
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CHECK_PRINTF ("87", "%" PRIx8, 1234567);
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CHECK_PRINTF ("87", "%" PRIxLEAST8, 1234567);
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CHECK_PRINTF ("87", "%" PRIxFAST8, 1234567);
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CHECK_PRINTF ("d687", "%" PRIx16, 1234567);
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CHECK_PRINTF ("d687", "%" PRIxLEAST16, 1234567);
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CHECK_PRINTF ("87", "%" PRIX8, 1234567);
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CHECK_PRINTF ("87", "%" PRIXLEAST8, 1234567);
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CHECK_PRINTF ("87", "%" PRIXFAST8, 1234567);
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CHECK_PRINTF ("D687", "%" PRIX16, 1234567);
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CHECK_PRINTF ("D687", "%" PRIXLEAST16, 1234567);
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/* GCC does not know the %b or %B formats before GCC 12. */
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DIAG_PUSH_NEEDS_COMMENT;
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#if !__GNUC_PREREQ (12, 0)
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DIAG_IGNORE_NEEDS_COMMENT (11, "-Wformat");
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DIAG_IGNORE_NEEDS_COMMENT (11, "-Wformat-extra-args");
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#endif
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CHECK_PRINTF ("10000111", "%" PRIb8, 1234567);
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CHECK_PRINTF ("10000111", "%" PRIbLEAST8, 1234567);
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CHECK_PRINTF ("10000111", "%" PRIbFAST8, 1234567);
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CHECK_PRINTF ("1101011010000111", "%" PRIb16, 1234567);
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CHECK_PRINTF ("1101011010000111", "%" PRIbLEAST16, 1234567);
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CHECK_PRINTF ("10000111", "%" PRIB8, 1234567);
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CHECK_PRINTF ("10000111", "%" PRIBLEAST8, 1234567);
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CHECK_PRINTF ("10000111", "%" PRIBFAST8, 1234567);
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CHECK_PRINTF ("1101011010000111", "%" PRIB16, 1234567);
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CHECK_PRINTF ("1101011010000111", "%" PRIBLEAST16, 1234567);
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DIAG_POP_NEEDS_COMMENT;
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return 0;
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}
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#include <support/test-driver.c>
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