183 lines
5.3 KiB
C
183 lines
5.3 KiB
C
/* Test for the long double variants of *printf functions.
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Copyright (C) 2019-2022 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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<https://www.gnu.org/licenses/>. */
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <support/capture_subprocess.h>
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#include <support/check.h>
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static void
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do_test_call_varg (FILE *stream, const char *format, ...)
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{
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char *buffer = NULL;
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char string[128];
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va_list args;
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printf ("%15s", "vasprintf: ");
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va_start (args, format);
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vasprintf (&buffer, format, args);
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va_end (args);
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if (buffer == NULL)
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printf ("Error using vasprintf\n");
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else
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{
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printf ("%s", buffer);
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free (buffer);
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}
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printf ("\n");
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printf ("%15s", "vdprintf: ");
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va_start (args, format);
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vdprintf (fileno (stream), format, args);
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va_end (args);
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printf ("\n");
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printf ("%15s", "vfprintf: ");
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va_start (args, format);
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vfprintf (stream, format, args);
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va_end (args);
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printf ("\n");
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printf ("%15s", "vprintf: ");
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va_start (args, format);
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vprintf (format, args);
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va_end (args);
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printf ("\n");
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printf ("%15s", "vsnprintf: ");
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va_start (args, format);
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vsnprintf (string, 127, format, args);
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va_end (args);
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printf ("%s", string);
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printf ("\n");
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printf ("%15s", "vsprintf: ");
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va_start (args, format);
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vsprintf (string, format, args);
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va_end (args);
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printf ("%s", string);
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printf ("\n");
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}
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static void
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do_test_call_rarg (FILE *stream, const char *format, long double ld, double d)
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{
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char *buffer = NULL;
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char string[128];
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printf ("%15s", "asprintf: ");
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asprintf (&buffer, format, ld, d);
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if (buffer == NULL)
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printf ("Error using asprintf\n");
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else
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{
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printf ("%s", buffer);
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free (buffer);
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}
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printf ("\n");
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printf ("%15s", "dprintf: ");
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dprintf (fileno (stream), format, ld, d);
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printf ("\n");
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printf ("%15s", "fprintf: ");
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fprintf (stream, format, ld, d);
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printf ("\n");
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printf ("%15s", "printf: ");
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printf (format, ld, d);
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printf ("\n");
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printf ("%15s", "snprintf: ");
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snprintf (string, 127, format, ld, d);
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printf ("%s", string);
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printf ("\n");
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printf ("%15s", "sprintf: ");
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sprintf (string, format, ld, d);
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printf ("%s", string);
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printf ("\n");
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}
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static void
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do_test_call (void)
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{
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long double ld = -1;
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double d = -1;
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/* Print in decimal notation. */
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do_test_call_rarg (stdout, "%.10Lf, %.10f", ld, d);
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do_test_call_varg (stdout, "%.10Lf, %.10f", ld, d);
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/* Print in hexadecimal notation. */
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do_test_call_rarg (stdout, "%.10La, %.10a", ld, d);
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do_test_call_varg (stdout, "%.10La, %.10a", ld, d);
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/* Test positional parameters. */
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do_test_call_varg (stdout, "%3$Lf, %2$Lf, %1$f",
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(double) 1, (long double) 2, (long double) 3);
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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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struct support_capture_subprocess result;
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result = support_capture_subprocess ((void *) &do_test_call, NULL);
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/* Compare against the expected output. */
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const char *expected =
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" asprintf: -1.0000000000, -1.0000000000\n"
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" dprintf: -1.0000000000, -1.0000000000\n"
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" fprintf: -1.0000000000, -1.0000000000\n"
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" printf: -1.0000000000, -1.0000000000\n"
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" snprintf: -1.0000000000, -1.0000000000\n"
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" sprintf: -1.0000000000, -1.0000000000\n"
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" vasprintf: -1.0000000000, -1.0000000000\n"
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" vdprintf: -1.0000000000, -1.0000000000\n"
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" vfprintf: -1.0000000000, -1.0000000000\n"
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" vprintf: -1.0000000000, -1.0000000000\n"
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" vsnprintf: -1.0000000000, -1.0000000000\n"
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" vsprintf: -1.0000000000, -1.0000000000\n"
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" asprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" dprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" fprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" printf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" snprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" sprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" vasprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" vdprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" vfprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" vprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" vsnprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" vsprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" vasprintf: 3.000000, 2.000000, 1.000000\n"
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" vdprintf: 3.000000, 2.000000, 1.000000\n"
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" vfprintf: 3.000000, 2.000000, 1.000000\n"
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" vprintf: 3.000000, 2.000000, 1.000000\n"
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" vsnprintf: 3.000000, 2.000000, 1.000000\n"
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" vsprintf: 3.000000, 2.000000, 1.000000\n";
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TEST_COMPARE_STRING (expected, result.out.buffer);
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return 0;
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}
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#include <support/test-driver.c>
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