glibc/elf/tst-dlmopen-twice-mod2.c

51 lines
1.4 KiB
C

/* Initialization of libc after dlmopen/dlclose/dlmopen (bug 29528). Module 2.
Copyright (C) 2022-2024 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 <ctype.h>
#include <stdio.h>
static void __attribute__ ((constructor))
init (void)
{
puts ("info: tst-dlmopen-twice-mod2.so loaded");
fflush (stdout);
}
static void __attribute__ ((destructor))
fini (void)
{
puts ("info: tst-dlmopen-twice-mod2.so about to be unloaded");
fflush (stdout);
}
int
run_check (void)
{
puts ("info: about to call isalpha");
fflush (stdout);
volatile char ch = 'a';
if (!isalpha (ch))
{
puts ("error: isalpha ('a') is not true");
fflush (stdout);
return 1;
}
return 0;
}