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/* Testcase for BZ 30932.
Copyright (C) 2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
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, see
<https://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
static const char *str2 = "F";
static char writeable_format[10] = "%s";
static char relro_format[10] __attribute__ ((section (".data.rel.ro"))) =
"%s%n%s%n";
void
init_writable (void)
{
strcpy (writeable_format + 2, "%n%s%n");
}
int
sprintf_writable (int *n1, int *n2)
{
char buf[128];
return sprintf (buf, writeable_format, str2, n1, str2, n2);
}
int
sprintf_relro (int *n1, int *n2)
{
char buf[128];
return sprintf (buf, relro_format, str2, n1, str2, n2);
}
int
sprintf_writable_malloc (int *n1, int *n2)
{
char buf[128];
char *buf2_malloc = strdup (writeable_format);
if (buf2_malloc == NULL)
abort ();
return sprintf (buf, buf2_malloc, str2, n1, str2, n2);
}
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