diff options
Diffstat (limited to 'REORG.TODO/stdio-common/tst-sscanf.c')
| -rw-r--r-- | REORG.TODO/stdio-common/tst-sscanf.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/tst-sscanf.c b/REORG.TODO/stdio-common/tst-sscanf.c new file mode 100644 index 0000000000..c070e14cd7 --- /dev/null +++ b/REORG.TODO/stdio-common/tst-sscanf.c @@ -0,0 +1,273 @@ +/* Copyright (C) 2000-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2000. + + 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/>. */ + +#include <stdlib.h> +#include <stdio.h> +#include <locale.h> + +#ifndef CHAR +# define CHAR char +# define L(str) str +# define SSCANF sscanf +#endif + +const CHAR *str_double[] = +{ + L("-.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01"), + L("0.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01"), + L("-1234567E0198765432E0912345678901987654321091234567890198765432109"), + L("-0.1000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01") +}; + +const double val_double[] = +{ + -.10000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01, + 0.10000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01, + -1234567E01, 98765432E09, 12345678901.0, 98765432109.0, 12345678901.0, + 98765432109.0, + -0.1000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01 +}; + +const CHAR *str_long[] = +{ + L("-12345678987654321123456789987654321123456789987654321"), + L("-12345678987654321123456789987654321123456789987654321"), + L("-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321"), + L("-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321") +}; + +const CHAR *fmt_long[] = +{ + L("%9ld%9ld%9ld%9ld%9ld%9ld"), + L("%I9ld%I9ld%I9ld%I9ld%I9ld%I9ld"), + L("%'11ld%'11ld%'11ld%'11ld%'11ld%'11ld"), + L("%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld") +}; + +const long int val_long[] = +{ + -12345678, 987654321, 123456789, 987654321, 123456789, 987654321 +}; + +struct test +{ + const CHAR *str; + const CHAR *fmt; + int retval; +} int_tests[] = +{ + { L("foo\n"), L("foo\nbar"), -1 }, + { L("foo\n"), L("foo bar"), -1 }, + { L("foo\n"), L("foo %d"), -1 }, + { L("foo\n"), L("foo\n%d"), -1 }, + { L("foon"), L("foonbar"), -1 }, + { L("foon"), L("foon%d"), -1 }, + { L("foo "), L("foo bar"), -1 }, + { L("foo "), L("foo %d"), -1 }, + { L("foo\t"), L("foo\tbar"), -1 }, + { L("foo\t"), L("foo bar"), -1 }, + { L("foo\t"), L("foo %d"), -1 }, + { L("foo\t"), L("foo\t%d"), -1 }, + { L("foo"), L("foo"), 0 }, + { L("foon"), L("foo bar"), 0 }, + { L("foon"), L("foo %d"), 0 }, + { L("foo "), L("fooxbar"), 0 }, + { L("foo "), L("foox%d"), 0 }, + { L("foo bar"), L("foon"), 0 }, + { L("foo bar"), L("foo bar"), 0 }, + { L("foo bar"), L("foo %d"), 0 }, + { L("foo bar"), L("foon%d"), 0 }, + { L("foo (nil)"), L("foo %p"), 1}, + { L("foo (nil)"), L("foo %4p"), 0}, + { L("foo "), L("foo %n"), 0 }, + { L("foo%bar1"), L("foo%%bar%d"), 1 }, + /* Some OSes skip whitespace here while others don't. */ + { L("foo \t %bar1"), L("foo%%bar%d"), 1 } +}; + +struct test double_tests[] = +{ + { L("-1"), L("%1g"), 0 }, + { L("-.1"), L("%2g"), 0 }, + { L("-inf"), L("%3g"), 0 }, + { L("+0"), L("%1g"), }, + { L("-0x1p0"), L("%2g"), 1 }, + { L("-..1"), L("%g"), 0 }, + { L("-inf"), L("%g"), 1 } +}; + +struct test2 +{ + const CHAR *str; + const CHAR *fmt; + int retval; + char residual; +} double_tests2[] = +{ + { L("0e+0"), L("%g%c"), 1, 0 }, + { L("0xe+0"), L("%g%c"), 2, '+' }, + { L("0x.e+0"), L("%g%c"), 2, '+' }, +}; + +static int +do_test (void) +{ + double d[6]; + long l[6]; + int i, j; + int tst_locale; + int result = 0; + + tst_locale = 1; + if (tst_locale) + if (setlocale (LC_ALL, "en_US.ISO-8859-1") == NULL) + { + puts ("Failed to set en_US locale, skipping locale related tests"); + tst_locale = 0; + } + + for (i = 0; i < 4; ++i) + { + if (SSCANF (str_double[i], L("%11lf%11lf%11lf%11lf%11lf%11lf"), + &d[0], &d[1], &d[2], &d[3], &d[4], &d[5]) != 6) + { + printf ("Double sscanf test %d wrong number of " + "assigned inputs\n", i); + result = 1; + } + else + for (j = 0; j < 6; ++j) + if (d[j] != val_double[6 * i + j]) + { + printf ("Double sscanf test %d failed (%g instead of %g)\n", + i, d[j], val_double[6 * i + j]); + result = 1; + break; + } + } + + for (i = 0; i < 4; ++i) + { + if (SSCANF (str_long[i], fmt_long[i], + &l[0], &l[1], &l[2], &l[3], &l[4], &l[5]) != 6) + { + printf ("Integer sscanf test %d wrong number of " + "assigned inputs\n", i); + result = 1; + } + else + for (j = 0; j < 6; ++j) + if (l[j] != val_long[j]) + { + printf ("Integer sscanf test %d failed (%ld instead %ld)\n", + i, l[j], val_long[j]); + result = 1; + break; + } + + if (! tst_locale) + break; + } + + for (i = 0; i < sizeof (int_tests) / sizeof (int_tests[0]); ++i) + { + long dummy; + int ret; + + if ((ret = SSCANF (int_tests[i].str, int_tests[i].fmt, + &dummy)) != int_tests[i].retval) + { + printf ("int_tests[%d] returned %d != %d\n", + i, ret, int_tests[i].retval); + result = 1; + } + } + + for (i = 0; i < sizeof (double_tests) / sizeof (double_tests[0]); ++i) + { + double dummy; + int ret; + + if ((ret = SSCANF (double_tests[i].str, double_tests[i].fmt, + &dummy)) != double_tests[i].retval) + { + printf ("double_tests[%d] returned %d != %d\n", + i, ret, double_tests[i].retval); + result = 1; + } + } + + for (i = 0; i < sizeof (double_tests2) / sizeof (double_tests2[0]); ++i) + { + double dummy; + int ret; + char c = 0; + + if ((ret = SSCANF (double_tests2[i].str, double_tests2[i].fmt, + &dummy, &c)) != double_tests2[i].retval) + { + printf ("double_tests2[%d] returned %d != %d\n", + i, ret, double_tests2[i].retval); + result = 1; + } + else if (ret == 2 && c != double_tests2[i].residual) + { + printf ("double_tests2[%d] stopped at '%c' != '%c'\n", + i, c, double_tests2[i].residual); + result = 1; + } + } + + /* BZ #16618 + The test will segfault during SSCANF if the buffer overflow + is not fixed. The size of `s` is such that it forces the use + of malloc internally and this triggers the incorrect computation. + Thus the value for SIZE is arbitrariy high enough that malloc + is used. */ + { +#define SIZE 131072 + CHAR *s = malloc ((SIZE + 1) * sizeof (*s)); + if (s == NULL) + abort (); + for (size_t i = 0; i < SIZE; i++) + s[i] = L('0'); + s[SIZE] = L('\0'); + int i = 42; + /* Scan multi-digit zero into `i`. */ + if (SSCANF (s, L("%d"), &i) != 1) + { + printf ("FAIL: bug16618: SSCANF did not read one input item.\n"); + result = 1; + } + if (i != 0) + { + printf ("FAIL: bug16618: Value of `i` was not zero as expected.\n"); + result = 1; + } + free (s); + if (result != 1) + printf ("PASS: bug16618: Did not crash.\n"); +#undef SIZE + } + + + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |