1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2010-2020 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */
21 #include "vasnprintf.h"
29 /* glibc >= 2.2 supports the 'I' flag, and in glibc >= 2.2.3 the fa_IR
30 locale defines the 'outdigits' to be U+06F0..U+06F9.
31 So we test for glibc >= 2.3. */
32 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__
35 test_function (char * (*my_asnprintf
) (char *, size_t *, const char *, ...))
37 /* Test that the 'I' flag is supported. */
41 my_asnprintf (NULL
, &length
, "%Id %d", 1234567, 99);
42 static const char expected
[] = /* "۱۲۳۴۵۶۷ 99" */
43 "\xDB\xB1\xDB\xB2\xDB\xB3\xDB\xB4\xDB\xB5\xDB\xB6\xDB\xB7 99";
44 ASSERT (result
!= NULL
);
45 ASSERT (strcmp (result
, expected
) == 0);
46 ASSERT (length
== strlen (result
));
52 my_asnprintf (char *resultbuf
, size_t *lengthp
, const char *format
, ...)
57 va_start (args
, format
);
58 ret
= vasnprintf (resultbuf
, lengthp
, format
, args
);
66 test_function (my_asnprintf
);
72 test_function (asnprintf
);
78 main (int argc
, char *argv
[])
80 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__
81 /* Select a locale with Arabic 'outdigits'. */
82 if (setlocale (LC_ALL
, "fa_IR.UTF-8") == NULL
)
84 fprintf (stderr
, "Skipping test: no Iranian locale is installed\n");
93 fprintf (stderr
, "Skipping test: not a glibc >= 2.3 system\n");