/*
 *  Baltisot
 *  Copyright (C) 1999-2008 Nicolas "Pixel" Noble
 *
 *  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 __GENERIC_H__
#define __GENERIC_H__

#ifdef _MSVC
// 4996 = 'foobar' was declared deprecated.
// 4244, 4267 = 'foobar': conversion from 'foo' to 'bar', possible loss of data.
#pragma warning(disable:4996 4244 4267)
#endif

#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>

#define M_BARE    0
#define M_ERROR   1
#define M_STATUS  2
#define M_WARNING 3
#define M_INFO    4

#ifdef _WIN32
#include <windows.h>
#define vsnprintf _vsnprintf
#define snprintf _snprintf
#endif

#ifndef bcopy
#define bcopy(x,y,z) memcpy((y),(x),(z))
#endif

#ifdef __MIPSEL__
/* we most probably are in ps2dev here */
#include <tamtypes.h>
#include <stddef.h>

typedef u64 Uint64;
typedef s64 int64;
typedef u32 Uint32;
typedef s32 int32;
typedef u16 Uint16;
typedef s16 int16;
typedef u8 Uint8;
typedef s8 int8;

typedef u8 Byte;
typedef u16 Word;
typedef u32 DWord;

#else

#if ! defined SDL_VERSIONNUM && ! defined Uint32
#ifdef __amd64
typedef unsigned int Uint32;
#else
typedef unsigned long int Uint32;
#endif
#endif

#ifndef int32
#ifdef __amd64
typedef signed int int32;
#else
typedef signed long int int32;
#endif
#endif

#ifndef Uint16
typedef unsigned short int Uint16;
#endif

#ifndef int16
typedef signed short int int16;
#endif

#ifndef Uint8
typedef unsigned char Uint8;
#endif

#ifndef int8
typedef signed char int8;
#endif

#ifndef Byte
typedef Uint8 Byte;
#endif

#ifndef Word
typedef Uint16 Word;
#endif

#ifndef DWord
typedef Uint32 DWord;
#endif

#if !defined __ssize_t_defined && !defined _SSIZE_T && !defined ssize_t && !defined _BSD_SSIZE_T_DEFINED_
typedef int32 ssize_t;
#endif

#if defined __linux__ || defined sun || defined __solaris__ || defined __CYGWIN32__ || defined __MINGW32__ || defined FORCE64 || defined __APPLE__
typedef long long int64;
typedef unsigned long long Uint64;
#else
#if defined _WIN32
typedef _int64 int64;
typedef unsigned _int64 Uint64;
#else
#error Unsupported platform (need 64 bits ints definition)
#endif
#endif
#endif

#ifndef PACKED
#if defined __linux__ || defined sun || defined __solaris__ || defined __CYGWIN32__ || defined __MINGW32__ || defined __APPLE__
#define PACKED __attribute__((packed))
#else // PACKED
#define PACKED
#endif
#endif // !PACKED

extern char verbosity;
char ** split(char * s, char t);

#if defined(_WIN32)
#define tolittle(x) x
static Uint32 tobig(Uint32 x) {
    return (x >> 24) | ((x >> 8) & 0x0000ff00) | ((x << 8) & 0x00ff0000) | (x << 24);
}
#elif defined(WORDS_BIGENDIAN)
#define tobig(x) x
static Uint32 tolittle(Uint32 x) {
    return (x >> 24) | ((x >> 8) & 0x0000ff00) | ((x << 8) & 0x00ff0000) | (x << 24);
}
#else
#ifndef WORDS_LITTLEENDIAN
#warning Using little endian by default.
#endif
#define tolittle(x) x
static Uint32 tobig(Uint32 x) {
    return (x >> 24) | ((x >> 8) & 0x0000ff00) | ((x << 8) & 0x00ff0000) | (x << 24);
}
#endif

#if defined __cplusplus

#ifndef MAX
template<class T>
inline T MAX(T a, T b) {
    return a < b ? b : a;
}
#endif

#ifndef MIN
template<class T>
inline T MIN(T a, T b) {
    return a > b ? b : a;
}
#endif

#ifndef SWAP
template<class T>
inline void SWAP(T & a, T & b) {
    T t = a;
    a = b;
    b = t;
}
#endif

#ifndef ABS
template<class T>
inline T ABS(T x) {
    T ox = -x;
    return x > 0 ? x : ox;
}
#endif

#ifndef align
# define align(a) (((ub4)a+(sizeof(void *)-1))&(~(sizeof(void *)-1)))
#endif

#if defined __linux__ || defined sun || defined __solaris__ || defined __CYGWIN32__ || defined __MINGW32__ || defined __APPLE__
#define FUNCNAME String(__PRETTY_FUNCTION__)
#else
#define FUNCNAME String(__FUNCSIG__)
#endif

#else // cplusplus

#ifndef MAX
#define MAX(__a,__b) ((__a)<(__b)?(__b):(__a))
#endif

#ifndef MIN
#define MIN(__a,__b) ((__a)>(__b)?(__b):(__a))
#endif

#endif // !cplusplus

#define BITCOUNT(x)     (((BX_(x)+(BX_(x)>>4)) & 0x0F0F0F0F) % 255)
#define BX_(x)          ((x) - (((x)>>1)&0x77777777)     \
                             - (((x)>>2)&0x33333333)     \
                             - (((x)>>3)&0x11111111))
#define ISPOT(x)	(((x)&(x-1))==0?1:0)

#if defined __linux__ || defined sun || defined __solaris__ || defined __CYGWIN32__ || defined __APPLE__
#define MKDIR(name) mkdir(name, 0777)
#else
#if defined __WIN32__ || defined _WIN32
#include <direct.h>
#define MKDIR mkdir
#else
#warning Unknow compiler/platform; MKDIR not defined.
#endif
#endif

#endif