1 /* Test to verify that passing a pointer to an uninitialized object 2 to pthread_setspecific doesn't trigger bogus uninitialized warnings. 3 Copyright (C) 2021 Free Software Foundation, Inc. 4 This file is part of the GNU C Library. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 20 #include <pthread.h> 21 #include <stdlib.h> 22 23 /* Turn uninitialized warnings into errors to detect the problem. 24 See BZ #27714. */ 25 26 #pragma GCC diagnostic push 27 #pragma GCC diagnostic error "-Wmaybe-uninitialized" 28 #pragma GCC diagnostic error "-Wuninitialized" 29 do_test(void)30int do_test (void) 31 { 32 void *p = malloc (1); /* Deliberately uninitialized. */ 33 pthread_setspecific (pthread_self (), p); 34 35 void *q = pthread_getspecific (pthread_self ()); 36 37 return p == q; 38 } 39 40 #pragma GCC diagnostic pop 41 42 #define TEST_FUNCTION do_test () 43 #include "../test-skeleton.c" 44