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/* Test of ulc_[v]asnprintf() functions.
Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
static void
test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{
char buf[8];
int size;
/* Test return value convention. */
for (size = 0; size <= 8; size++)
{
size_t length = size;
char *result = my_asnprintf (NULL, &length, "%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
ASSERT (length == 5);
free (result);
}
for (size = 0; size <= 8; size++)
{
size_t length;
char *result;
memcpy (buf, "DEADBEEF", 8);
length = size;
result = my_asnprintf (buf, &length, "%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
ASSERT (length == 5);
if (size < 6)
ASSERT (result != buf);
ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0);
if (result != buf)
free (result);
}
}
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