/**
 * svsconfig.h: Compile-time configuration and some sysconf #defines. dbg, the ermyth debug output, also lives in this file.
 *
 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
 * Rights to this code are as documented in COPYING.
 *
 * $Id: svsconfig.h,v 1.5 2007/09/16 18:54:42 pippijn Exp $
 */

#ifndef CONFIG_H
#define CONFIG_H

#include <sysconf.h>

/* Compile-time configuration */

#define PURE_ISO 1
#define DEBUG 1
#define CALLBACK_DEBUG 0

/* End configuration */

#define E extern

/* GNU extensions */
#if __GNUC__ >= 3
# define expect(expr, value)            __builtin_expect ((expr), (value))
# define is_const(expr)                 __builtin_constant_p ((expr))
#else
# define expect(expr, value)            (expr)
# define is_const(expr)                 0
#endif

#define expect_false(expr) expect ((expr) != 0, 0)
#define expect_true(expr)  expect ((expr) != 0, 1)

/* Get current function if available */
#ifdef __GNUC__
# define CURFUNC        __PRETTY_FUNCTION__
#elif defined(__BORLANDC__)
# define CURFUNC        __FUNC__
#elif defined(_MSC_VER)
# if _MSC_VER >= 1300
#  define CURFUNC       __FUNCDNAME__
# else
#  define CURFUNC       __FUNCTION__
# endif
#else
# ifdef __FUNCTION__
#  define CURFUNC        __FUNCTION__
# else
#  define CURFUNC       "<unknown function>"
# endif
#endif

/* printf formats */
#if SIZEOF_TIME_T == SIZEOF_LONG
#define PRItime "ld"
#elif SIZEOF_TIME_T == SIZEOF_INT
#define PRItime "d"
#else
#error Size of time_t not known
#endif

#if SIZEOF_SIZE_T == SIZEOF_LONG
#define PRIsize "lu"
#elif SIZEOF_SIZE_T == SIZEOF_INT
#define PRIsize "u"
#else
#error Size of size_t not known
#endif

/**
 * Debug stuff...
 */

#include <iostream>		// even needed when DEBUG is 0

#if DEBUG
# define dbg    std::cerr << CURFUNC << ": " << std::dec << "#" << __LINE__ << ": "
#else
# define dbg    if (0) std::cerr
#endif

#if CALLBACK_DEBUG
# define dout   std::cerr << CURFUNC << ": " << std::dec << "#" << __LINE__ << ": "
#else
# define dout   if (0) std::cerr
#endif

#endif // CONFIG_H