192 lines
5.8 KiB
C
192 lines
5.8 KiB
C
/* Test for the long double variants of *printf_chk 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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#define _FORTIFY_SOURCE 2
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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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int res;
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va_list args;
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printf ("%20s", "__vasprintf_chk: ");
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va_start (args, format);
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res = __vasprintf_chk (&buffer, 1, format, args);
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va_end (args);
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if (res == -1)
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printf ("Error using vasprintf\n");
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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 ("%20s", "__vdprintf_chk: ");
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va_start (args, format);
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__vdprintf_chk (fileno (stream), 1, format, args);
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va_end (args);
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printf ("\n");
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printf ("%20s", "__vfprintf_chk: ");
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va_start (args, format);
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__vfprintf_chk (stream, 1, format, args);
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va_end (args);
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printf ("\n");
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printf ("%20s", "__vprintf_chk: ");
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va_start (args, format);
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__vprintf_chk (1, format, args);
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va_end (args);
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printf ("\n");
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printf ("%20s", "__vsnprintf_chk: ");
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va_start (args, format);
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__vsnprintf_chk (string, 79, 1, 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 ("%20s", "__vsprintf_chk: ");
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va_start (args, format);
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__vsprintf_chk (string, 1, 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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}
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static void
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do_test_call_rarg (FILE *stream, const char *format, long double ld,
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double d)
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{
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char *buffer = NULL;
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char string[128];
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int res;
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printf ("%20s", "__asprintf_chk: ");
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res = __asprintf_chk (&buffer, 1, format, ld, d);
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if (res == -1)
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printf ("Error using vasprintf\n");
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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 ("%20s", "__dprintf_chk: ");
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__dprintf_chk (fileno (stream), 1, format, ld, d);
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printf ("\n");
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printf ("%20s", "__fprintf_chk: ");
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__fprintf_chk (stdout, 1, format, ld, d);
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printf ("\n");
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printf ("%20s", "__printf_chk: ");
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__printf_chk (1, format, ld, d);
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printf ("\n");
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printf ("%20s", "__snprintf_chk: ");
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__snprintf_chk (string, 79, 1, 127, format, ld, d);
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printf ("%s", string);
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printf ("\n");
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printf ("%20s", "__sprintf_chk: ");
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__sprintf_chk (string, 1, 127, 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_chk: -1.0000000000, -1.0000000000\n"
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" __dprintf_chk: -1.0000000000, -1.0000000000\n"
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" __fprintf_chk: -1.0000000000, -1.0000000000\n"
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" __printf_chk: -1.0000000000, -1.0000000000\n"
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" __snprintf_chk: -1.0000000000, -1.0000000000\n"
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" __sprintf_chk: -1.0000000000, -1.0000000000\n"
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" __vasprintf_chk: -1.0000000000, -1.0000000000\n"
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" __vdprintf_chk: -1.0000000000, -1.0000000000\n"
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" __vfprintf_chk: -1.0000000000, -1.0000000000\n"
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" __vprintf_chk: -1.0000000000, -1.0000000000\n"
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" __vsnprintf_chk: -1.0000000000, -1.0000000000\n"
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" __vsprintf_chk: -1.0000000000, -1.0000000000\n"
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" __asprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __dprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __fprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __printf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __snprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __sprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __vasprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __vdprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __vfprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __vprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __vsnprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __vsprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
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" __vasprintf_chk: 3.000000, 2.000000, 1.000000\n"
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" __vdprintf_chk: 3.000000, 2.000000, 1.000000\n"
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" __vfprintf_chk: 3.000000, 2.000000, 1.000000\n"
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" __vprintf_chk: 3.000000, 2.000000, 1.000000\n"
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" __vsnprintf_chk: 3.000000, 2.000000, 1.000000\n"
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" __vsprintf_chk: 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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