tests: Free allocated memory. Reported by <deltatau@protonmail.com> via Assaf Gordon. * tests/test-astrxfrm.c (main): Free allocated memory. * tests/test-bitset.c (compare, check_attributes): Free allocated bitsets. * tests/test-filenamecat.c (main): Free allocated memory. * tests/test-freadahead.c (main): Free allocated memory and close stdin. * tests/test-freadptr.c (main): Likewise. * tests/test-freadptr2.c (main): Free allocated memory. * tests/test-freadseek.c (main): Likewise. * tests/test-gc-arcfour.c (main): Close allocated context. * tests/test-gc-arctwo.c (main): Likewise. * tests/test-gc-des.c (main): Close all allocated contexts. * tests/test-pipe-filter-gi1.c (main): Free allocated memory. * tests/test-pipe-filter-ii1.c (main): Likewise. * tests/test-posix_spawn_file_actions_addchdir.c (main): Destroy the allocated file actions. * tests/test-posix_spawn_file_actions_addclose.c (main): Likewise. * tests/test-posix_spawn_file_actions_adddup2.c (main): Likewise. * tests/test-posix_spawn_file_actions_addopen.c (main): Likewise. * tests/test-sameacls.c (main): Free allocated memory and ACLs. * tests/test-strfmon_l.c (main): Free allocated locales. * tests/test-striconveh.c (main): Free allocated iconv_t objects. * tests/uniconv/test-u8-conv-to-enc.c (main): Free allocated memory. * tests/uniconv/test-u16-conv-to-enc.c (main): Likewise. * tests/uniconv/test-u32-conv-to-enc.c (main): Likewise. * tests/unistr/test-chr.h (main): Free input32. * tests/unistr/test-strchr.h (test_strchr): Likewise.

/* A C macro for declaring that specific arguments must not be NULL.
   Copyright (C) 2009-2019 Free Software Foundation, Inc.

   This program 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 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
   that the values passed as arguments n, ..., m must be non-NULL pointers.
   n = 1 stands for the first argument, n = 2 for the second argument etc.  */
#ifndef _GL_ARG_NONNULL
# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
# else
#  define _GL_ARG_NONNULL(params)
# endif
#endif