/* A substitute for ISO C11 <stdnoreturn.h>. Copyright 2012-2015 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 2.1, 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 <http://www.gnu.org/licenses/>. */ /* Written by Paul Eggert. */ #ifndef noreturn /* ISO C11 <stdnoreturn.h> for platforms that lack it. References: ISO C11 (latest free draft <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf>) section 7.23 */ /* The definition of _Noreturn is copied here. */ #if 1200 <= _MSC_VER /* Standard include files on this platform contain declarations like "__declspec (noreturn) void abort (void);". "#define noreturn _Noreturn" would cause this declaration to be rewritten to the invalid "__declspec (__declspec (noreturn)) void abort (void);". Instead, define noreturn to empty, so that such declarations are rewritten to "__declspec () void abort (void);", which is equivalent to "void abort (void);"; this gives up on noreturn's advice to the compiler but at least it is valid code. */ # define noreturn /*empty*/ #else # define noreturn _Noreturn #endif /* Did he ever return? No he never returned And his fate is still unlearn'd ... -- Steiner J, Hawes BL. M.T.A. (1949) */ #endif /* noreturn */ |