/* Expression evaluation for plural form selection. Copyright (C) 2005-2006 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2005. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _PLURAL_EVAL_H #define _PLURAL_EVAL_H /* Definition of 'struct expression', and declaration of extract_plural_expression() and plural_eval(). */ #include "plural-exp.h" /* Protection against signals during plural evaluation. */ #include <setjmp.h> /* Some platforms don't have the sigjmp_buf type in <setjmp.h>. */ #if defined _MSC_VER || defined __MINGW32__ /* Native Woe32 API. */ # define sigjmp_buf jmp_buf # define sigsetjmp(env,savesigs) setjmp (env) # define siglongjmp longjmp #endif /* We use siginfo to get precise information about the signal. But siginfo doesn't work on Irix 6.5 and on Cygwin 2005. */ #if HAVE_SIGINFO && !defined (__sgi) && !defined (__CYGWIN__) # define USE_SIGINFO 1 #endif /* Exit point. Must be set before calling install_sigfpe_handler(). */ extern sigjmp_buf sigfpe_exit; #if USE_SIGINFO /* Additional information that is set before sigfpe_exit is invoked. */ extern int sigfpe_code; #endif /* Protect against signals during plural evaluation. Must be called around calls to plural_eval(). Must be called in pairs. */ extern void install_sigfpe_handler (void); extern void uninstall_sigfpe_handler (void); #endif /* _PLURAL_EVAL_H */ |