1 /* Test of vsnprintf() function.
2 Copyright (C) 2007-2010 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 <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
23 #include "signature.h"
24 SIGNATURE_CHECK (vsnprintf, int, (char *, size_t, char const *, va_list));
32 my_snprintf (char *buf, int size, const char *format, ...)
37 va_start (args, format);
38 ret = vsnprintf (buf, size, format, args);
44 main (int argc, char *argv[])
50 for (size = 0; size <= 8; size++)
52 memcpy (buf, "DEADBEEF", 8);
53 retval = my_snprintf (buf, size, "%d", 12345);
56 #if CHECK_VSNPRINTF_POSIX
57 ASSERT (retval < 0 || retval >= size);
61 ASSERT (memcmp (buf, "12345", size - 1) == 0);
62 ASSERT (buf[size - 1] == '\0' || buf[size - 1] == '0' + size);
64 #if !CHECK_VSNPRINTF_POSIX
67 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
72 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);