271 lines
7.0 KiB
C
271 lines
7.0 KiB
C
/* Copyright (C) 2000-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
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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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<http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <stdio.h>
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#include <locale.h>
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#ifndef CHAR
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# define CHAR char
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# define L(str) str
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# define SSCANF sscanf
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#endif
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const CHAR *str_double[] =
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{
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L("-.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01"),
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L("0.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01"),
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L("-1234567E0198765432E0912345678901987654321091234567890198765432109"),
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L("-0.1000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01")
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};
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const double val_double[] =
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{
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-.10000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01,
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0.10000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01,
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-1234567E01, 98765432E09, 12345678901.0, 98765432109.0, 12345678901.0,
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98765432109.0,
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-0.1000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01
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};
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const CHAR *str_long[] =
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{
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L("-12345678987654321123456789987654321123456789987654321"),
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L("-12345678987654321123456789987654321123456789987654321"),
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L("-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321"),
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L("-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321")
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};
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const CHAR *fmt_long[] =
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{
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L("%9ld%9ld%9ld%9ld%9ld%9ld"),
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L("%I9ld%I9ld%I9ld%I9ld%I9ld%I9ld"),
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L("%'11ld%'11ld%'11ld%'11ld%'11ld%'11ld"),
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L("%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld")
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};
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const long int val_long[] =
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{
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-12345678, 987654321, 123456789, 987654321, 123456789, 987654321
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};
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struct test
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{
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const CHAR *str;
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const CHAR *fmt;
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int retval;
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} int_tests[] =
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{
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{ L("foo\n"), L("foo\nbar"), -1 },
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{ L("foo\n"), L("foo bar"), -1 },
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{ L("foo\n"), L("foo %d"), -1 },
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{ L("foo\n"), L("foo\n%d"), -1 },
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{ L("foon"), L("foonbar"), -1 },
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{ L("foon"), L("foon%d"), -1 },
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{ L("foo "), L("foo bar"), -1 },
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{ L("foo "), L("foo %d"), -1 },
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{ L("foo\t"), L("foo\tbar"), -1 },
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{ L("foo\t"), L("foo bar"), -1 },
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{ L("foo\t"), L("foo %d"), -1 },
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{ L("foo\t"), L("foo\t%d"), -1 },
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{ L("foo"), L("foo"), 0 },
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{ L("foon"), L("foo bar"), 0 },
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{ L("foon"), L("foo %d"), 0 },
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{ L("foo "), L("fooxbar"), 0 },
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{ L("foo "), L("foox%d"), 0 },
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{ L("foo bar"), L("foon"), 0 },
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{ L("foo bar"), L("foo bar"), 0 },
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{ L("foo bar"), L("foo %d"), 0 },
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{ L("foo bar"), L("foon%d"), 0 },
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{ L("foo (nil)"), L("foo %p"), 1},
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{ L("foo (nil)"), L("foo %4p"), 0},
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{ L("foo "), L("foo %n"), 0 },
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{ L("foo%bar1"), L("foo%%bar%d"), 1 },
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/* Some OSes skip whitespace here while others don't. */
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{ L("foo \t %bar1"), L("foo%%bar%d"), 1 }
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};
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struct test double_tests[] =
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{
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{ L("-1"), L("%1g"), 0 },
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{ L("-.1"), L("%2g"), 0 },
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{ L("-inf"), L("%3g"), 0 },
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{ L("+0"), L("%1g"), },
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{ L("-0x1p0"), L("%2g"), 1 },
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{ L("-..1"), L("%g"), 0 },
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{ L("-inf"), L("%g"), 1 }
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};
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struct test2
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{
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const CHAR *str;
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const CHAR *fmt;
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int retval;
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char residual;
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} double_tests2[] =
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{
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{ L("0e+0"), L("%g%c"), 1, 0 },
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{ L("0xe+0"), L("%g%c"), 2, '+' },
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{ L("0x.e+0"), L("%g%c"), 2, '+' },
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};
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int
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main (void)
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{
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double d[6];
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long l[6];
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int i, j;
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int tst_locale;
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int result = 0;
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tst_locale = 1;
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if (tst_locale)
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if (setlocale (LC_ALL, "en_US.ISO-8859-1") == NULL)
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{
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puts ("Failed to set en_US locale, skipping locale related tests");
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tst_locale = 0;
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}
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for (i = 0; i < 4; ++i)
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{
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if (SSCANF (str_double[i], L("%11lf%11lf%11lf%11lf%11lf%11lf"),
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&d[0], &d[1], &d[2], &d[3], &d[4], &d[5]) != 6)
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{
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printf ("Double sscanf test %d wrong number of "
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"assigned inputs\n", i);
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result = 1;
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}
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else
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for (j = 0; j < 6; ++j)
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if (d[j] != val_double[6 * i + j])
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{
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printf ("Double sscanf test %d failed (%g instead of %g)\n",
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i, d[j], val_double[6 * i + j]);
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result = 1;
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break;
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}
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}
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for (i = 0; i < 4; ++i)
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{
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if (SSCANF (str_long[i], fmt_long[i],
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&l[0], &l[1], &l[2], &l[3], &l[4], &l[5]) != 6)
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{
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printf ("Integer sscanf test %d wrong number of "
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"assigned inputs\n", i);
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result = 1;
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}
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else
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for (j = 0; j < 6; ++j)
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if (l[j] != val_long[j])
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{
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printf ("Integer sscanf test %d failed (%ld instead %ld)\n",
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i, l[j], val_long[j]);
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result = 1;
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break;
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}
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if (! tst_locale)
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break;
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}
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for (i = 0; i < sizeof (int_tests) / sizeof (int_tests[0]); ++i)
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{
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long dummy;
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int ret;
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if ((ret = SSCANF (int_tests[i].str, int_tests[i].fmt,
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&dummy)) != int_tests[i].retval)
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{
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printf ("int_tests[%d] returned %d != %d\n",
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i, ret, int_tests[i].retval);
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result = 1;
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}
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}
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for (i = 0; i < sizeof (double_tests) / sizeof (double_tests[0]); ++i)
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{
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double dummy;
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int ret;
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if ((ret = SSCANF (double_tests[i].str, double_tests[i].fmt,
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&dummy)) != double_tests[i].retval)
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{
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printf ("double_tests[%d] returned %d != %d\n",
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i, ret, double_tests[i].retval);
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result = 1;
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}
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}
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for (i = 0; i < sizeof (double_tests2) / sizeof (double_tests2[0]); ++i)
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{
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double dummy;
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int ret;
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char c = 0;
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if ((ret = SSCANF (double_tests2[i].str, double_tests2[i].fmt,
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&dummy, &c)) != double_tests2[i].retval)
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{
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printf ("double_tests2[%d] returned %d != %d\n",
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i, ret, double_tests2[i].retval);
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result = 1;
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}
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else if (ret == 2 && c != double_tests2[i].residual)
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{
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printf ("double_tests2[%d] stopped at '%c' != '%c'\n",
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i, c, double_tests2[i].residual);
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result = 1;
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}
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}
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/* BZ #16618
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The test will segfault during SSCANF if the buffer overflow
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is not fixed. The size of `s` is such that it forces the use
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of malloc internally and this triggers the incorrect computation.
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Thus the value for SIZE is arbitrariy high enough that malloc
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is used. */
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{
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#define SIZE 131072
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CHAR *s = malloc ((SIZE + 1) * sizeof (*s));
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if (s == NULL)
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abort ();
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for (size_t i = 0; i < SIZE; i++)
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s[i] = L('0');
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s[SIZE] = L('\0');
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int i = 42;
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/* Scan multi-digit zero into `i`. */
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if (SSCANF (s, L("%d"), &i) != 1)
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{
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printf ("FAIL: bug16618: SSCANF did not read one input item.\n");
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result = 1;
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}
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if (i != 0)
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{
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printf ("FAIL: bug16618: Value of `i` was not zero as expected.\n");
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result = 1;
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}
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free (s);
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if (result != 1)
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printf ("PASS: bug16618: Did not crash.\n");
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#undef SIZE
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}
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return result;
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}
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