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/* Test of xvasprintf() and xasprintf() functions.
Copyright (C) 2007-2023 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. */
/* Tell GCC not to warn about the specific edge cases tested here. */
#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
# pragma GCC diagnostic ignored "-Wformat-zero-length"
# pragma GCC diagnostic ignored "-Wformat-nonliteral"
# pragma GCC diagnostic ignored "-Wformat-security"
#endif
#include <config.h>
#include "xvasprintf.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "macros.h"
static char *
my_xasprintf (const char *format, ...)
{
va_list args;
char *ret;
va_start (args, format);
ret = xvasprintf (format, args);
va_end (args);
return ret;
}
static void
test_xvasprintf (void)
{
int repeat;
char *result;
for (repeat = 0; repeat <= 8; repeat++)
{
result = my_xasprintf ("%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
free (result);
}
{
/* Silence gcc warning about zero-length format string. */
const char *empty = "";
result = my_xasprintf (empty);
ASSERT (result != NULL);
ASSERT (strcmp (result, "") == 0);
free (result);
}
result = my_xasprintf ("%s", "foo");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foo") == 0);
free (result);
result = my_xasprintf ("%s%s", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobar") == 0);
free (result);
result = my_xasprintf ("%s%sbaz", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobarbaz") == 0);
free (result);
}
static void
test_xasprintf (void)
{
int repeat;
char *result;
for (repeat = 0; repeat <= 8; repeat++)
{
result = xasprintf ("%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
free (result);
}
{
/* Silence gcc warning about zero-length format string,
and about "format not a string literal and no format"
(whatever that means) . */
const char *empty = "";
result = xasprintf (empty, empty);
ASSERT (result != NULL);
ASSERT (strcmp (result, "") == 0);
free (result);
}
result = xasprintf ("%s", "foo");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foo") == 0);
free (result);
result = xasprintf ("%s%s", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobar") == 0);
free (result);
result = my_xasprintf ("%s%sbaz", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobarbaz") == 0);
free (result);
}
int
main (_GL_UNUSED int argc, char *argv[])
{
test_xvasprintf ();
test_xasprintf ();
return 0;
}
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