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/*
Copyright (c) 2006 Florian Wesch <fw@dividuum.de>. All Rights Reserved.
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 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 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.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef MISC_H
#define MISC_H
void die(const char *fmt, ...);
int yesno(const char *fmt, ...);
void infomsg(const char *fmt, ...);
#ifdef WIN32
const char *ErrorString(int error);
#endif
#ifndef abs
#define abs(a) ((a)<0?-(a):(a))
#endif
#ifndef min
#define min(a,b) ((a)<(b)?(a):(b))
#endif
#ifndef max
#define max(a,b) ((a)>(b)?(a):(b))
#endif
#define limit(v,a,b) ((v)<(a)?(a):((v)>(b)?(b):(v)))
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#define lua_register_constant(L, name) \
do { lua_pushnumber(L, name); lua_setglobal(L, #name); } while (0)
#define lua_register_string_constant(L, name) \
do { lua_pushliteral(L, name); lua_setglobal(L, #name); } while (0)
#define save_lua_stack(L, diff) \
lua_State *check_L = L; \
int lua_stack = lua_gettop(check_L) - diff;\
fprintf(stderr, "%s> %d\n", __FUNCTION__, lua_stack);
#define check_lua_stack() \
fprintf(stderr, "%s< %d\n", __FUNCTION__, lua_gettop(check_L)); \
assert(lua_gettop(check_L) == lua_stack);
#endif