-/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+#include <array_length.h>
#include <stdlib.h>
#include <stdio.h>
#include <locale.h>
-const char *str_double[] =
+#ifndef CHAR
+# define CHAR char
+# define L(str) str
+# define SSCANF sscanf
+#endif
+
+const CHAR *str_double[] =
{
- "-.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01",
- "0.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01",
- "-1234567E0198765432E0912345678901987654321091234567890198765432109",
- "-0.1000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01"
+ 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[] =
-0.1000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01
};
-const char *str_long[] =
+const CHAR *str_long[] =
{
- "-12345678987654321123456789987654321123456789987654321",
- "-12345678987654321123456789987654321123456789987654321",
- "-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321",
- "-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321"
+ 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[] =
+const CHAR *fmt_long[] =
{
- "%9ld%9ld%9ld%9ld%9ld%9ld",
- "%I9ld%I9ld%I9ld%I9ld%I9ld%I9ld",
- "%'11ld%'11ld%'11ld%'11ld%'11ld%'11ld",
- "%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld"
+ 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 int_test
+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;
+ const CHAR *str;
+ const CHAR *fmt;
int retval;
-} int_tests[] =
+ char residual;
+} double_tests2[] =
{
- { "foo\n", "foo\nbar", -1 },
- { "foo\n", "foo bar", -1 },
- { "foo\n", "foo %d", -1 },
- { "foo\n", "foo\n%d", -1 },
- { "foon", "foonbar", -1 },
- { "foon", "foon%d", -1 },
- { "foo ", "foo bar", -1 },
- { "foo ", "foo %d", -1 },
- { "foo\t", "foo\tbar", -1 },
- { "foo\t", "foo bar", -1 },
- { "foo\t", "foo %d", -1 },
- { "foo\t", "foo\t%d", -1 },
- { "foo \t %bar1", "foo%%bar%d", 0 },
- { "foo", "foo", 0 },
- { "foon", "foo bar", 0 },
- { "foon", "foo %d", 0 },
- { "foo ", "fooxbar", 0 },
- { "foo ", "foox%d", 0 },
- { "foo bar", "foon", 0 },
- { "foo bar", "foo bar", 0 },
- { "foo bar", "foo %d", 0 },
- { "foo bar", "foon%d", 0 },
- { "foo ", "foo %n", 0 },
- { "foo%bar1", "foo%%bar%d", 1 }
+ { L("0e+0"), L("%g%c"), 1, 0 },
+ { L("0xe+0"), L("%g%c"), 2, '+' },
+ { L("0x.e+0"), L("%g%c"), 2, '+' },
};
-int
-main (void)
+static int
+do_test (void)
{
double d[6];
long l[6];
for (i = 0; i < 4; ++i)
{
- if (sscanf (str_double[i], "%11lf%11lf%11lf%11lf%11lf%11lf",
+ 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 "
for (i = 0; i < 4; ++i)
{
- if (sscanf (str_long[i], fmt_long[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 "
break;
}
- for (i = 0; i < sizeof (int_tests) / sizeof (int_tests[0]); ++i)
+ for (i = 0; i < array_length (int_tests); ++i)
{
- int dummy, ret;
+ long dummy;
+ int ret;
- if ((ret = sscanf (int_tests[i].str, int_tests[i].fmt,
+ if ((ret = SSCANF (int_tests[i].str, int_tests[i].fmt,
&dummy)) != int_tests[i].retval)
{
printf ("int_tests[%d] returned %d != %d\n",
}
}
+ for (i = 0; i < array_length (double_tests); ++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 < array_length (double_tests2); ++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"
projects / thirdparty / glibc.git / blobdiff