diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c new file mode 100644 index 0000000000..dce40b35fe --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c @@ -0,0 +1,179 @@ +/* Test for the long double variants of *printf_chk functions. + Copyright (C) 2019 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define _FORTIFY_SOURCE 2 + +#include <stdarg.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> + +#include <support/capture_subprocess.h> +#include <support/check.h> + +static void +do_test_call_varg (FILE *stream, const char *format, ...) +{ + char *buffer = NULL; + char string[128]; + int res; + va_list args; + + printf ("%20s", "__vasprintf_chk: "); + va_start (args, format); + res = __vasprintf_chk (&buffer, 1, format, args); + va_end (args); + if (res == -1) + printf ("Error using vasprintf\n"); + if (buffer == NULL) + printf ("Error using vasprintf\n"); + else + { + printf ("%s", buffer); + free (buffer); + } + printf ("\n"); + + printf ("%20s", "__vdprintf_chk: "); + va_start (args, format); + __vdprintf_chk (fileno (stream), 1, format, args); + va_end (args); + printf ("\n"); + + printf ("%20s", "__vfprintf_chk: "); + va_start (args, format); + __vfprintf_chk (stream, 1, format, args); + va_end (args); + printf ("\n"); + + printf ("%20s", "__vprintf_chk: "); + va_start (args, format); + __vprintf_chk (1, format, args); + va_end (args); + printf ("\n"); + + printf ("%20s", "__vsnprintf_chk: "); + va_start (args, format); + __vsnprintf_chk (string, 79, 1, 127, format, args); + va_end (args); + printf ("%s", string); + printf ("\n"); + + printf ("%20s", "__vsprintf_chk: "); + va_start (args, format); + __vsprintf_chk (string, 1, 127, format, args); + va_end (args); + printf ("%s", string); + printf ("\n"); +} + +static void +do_test_call_rarg (FILE *stream, const char *format, long double ld) +{ + char *buffer = NULL; + char string[128]; + int res; + + printf ("%20s", "__asprintf_chk: "); + res = __asprintf_chk (&buffer, 1, format, ld); + if (res == -1) + printf ("Error using vasprintf\n"); + if (buffer == NULL) + printf ("Error using asprintf\n"); + else + { + printf ("%s", buffer); + free (buffer); + } + printf ("\n"); + + printf ("%20s", "__dprintf_chk: "); + __dprintf_chk (fileno (stream), 1, format, ld); + printf ("\n"); + + printf ("%20s", "__fprintf_chk: "); + __fprintf_chk (stdout, 1, format, ld); + printf ("\n"); + + printf ("%20s", "__printf_chk: "); + __printf_chk (1, format, ld); + printf ("\n"); + + printf ("%20s", "__snprintf_chk: "); + __snprintf_chk (string, 79, 1, 127, format, ld); + printf ("%s", string); + printf ("\n"); + + printf ("%20s", "__sprintf_chk: "); + __sprintf_chk (string, 1, 127, format, ld); + printf ("%s", string); + printf ("\n"); +} + +static void +do_test_call (void) +{ + long double ld = -1; + + /* Print in decimal notation. */ + do_test_call_rarg (stdout, "%.10Lf", ld); + do_test_call_varg (stdout, "%.10Lf", ld); + + /* Print in hexadecimal notation. */ + do_test_call_rarg (stdout, "%.10La", ld); + do_test_call_varg (stdout, "%.10La", ld); +} + +static int +do_test (void) +{ + struct support_capture_subprocess result; + result = support_capture_subprocess ((void *) &do_test_call, NULL); + + /* Compare against the expected output. */ + const char *expected = + " __asprintf_chk: -1.0000000000\n" + " __dprintf_chk: -1.0000000000\n" + " __fprintf_chk: -1.0000000000\n" + " __printf_chk: -1.0000000000\n" + " __snprintf_chk: -1.0000000000\n" + " __sprintf_chk: -1.0000000000\n" + " __vasprintf_chk: -1.0000000000\n" + " __vdprintf_chk: -1.0000000000\n" + " __vfprintf_chk: -1.0000000000\n" + " __vprintf_chk: -1.0000000000\n" + " __vsnprintf_chk: -1.0000000000\n" + " __vsprintf_chk: -1.0000000000\n" + " __asprintf_chk: -0x1.0000000000p+0\n" + " __dprintf_chk: -0x1.0000000000p+0\n" + " __fprintf_chk: -0x1.0000000000p+0\n" + " __printf_chk: -0x1.0000000000p+0\n" + " __snprintf_chk: -0x1.0000000000p+0\n" + " __sprintf_chk: -0x1.0000000000p+0\n" + " __vasprintf_chk: -0x1.0000000000p+0\n" + " __vdprintf_chk: -0x1.0000000000p+0\n" + " __vfprintf_chk: -0x1.0000000000p+0\n" + " __vprintf_chk: -0x1.0000000000p+0\n" + " __vsnprintf_chk: -0x1.0000000000p+0\n" + " __vsprintf_chk: -0x1.0000000000p+0\n"; + TEST_COMPARE_STRING (expected, result.out.buffer); + + return 0; +} + +#include <support/test-driver.c> |