1 /* Convert wide string to string. 2 Copyright (C) 2008-2021 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno@clisp.org>, 2008. 4 5 This file is free software: you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as 7 published by the Free Software Foundation; either version 3 of the 8 License, or (at your option) any later version. 9 10 This file is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 18 #include <config.h> 19 20 #include <wchar.h> 21 22 /* Internal state used by the functions wcsrtombs() and wcsnrtombs(). */ 23 mbstate_t _gl_wcsrtombs_state 24 /* The state must initially be in the "initial state"; so, zero-initialize it. 25 On most systems, putting it into BSS is sufficient. Not so on Mac OS X 10.3, 26 see <https://lists.gnu.org/r/bug-gnulib/2009-01/msg00329.html>. 27 When it needs an initializer, use 0 or {0} as initializer? 0 only works 28 when mbstate_t is a scalar type (such as when gnulib defines it, or on 29 AIX, IRIX, mingw). {0} works as an initializer in all cases: for a struct 30 or union type, but also for a scalar type (ISO C 99, 6.7.8.(11)). */ 31 #if defined __ELF__ 32 /* On ELF systems, variables in BSS behave well. */ 33 #else 34 /* Use braces, to be on the safe side. */ 35 = { 0 } 36 #endif 37 ;