platform.h

/**

	MIT license slip
	
	
	Compatibility header for alternative build targets (MSVC - win32/64)
*/

#ifndef __PLATFORM_H__
#define __PLATFORM_H__ 1

#ifdef __cplusplus
extern "C" {
#endif

#ifdef _MSC_VER

#define __builtin_bswap16 _byteswap_ushort
#define __builtin_bswap32 _byteswap_ulong
#define __builtin_bswap64 _byteswap_uint64
#define fseek _fseeki64

#define _CRT_SECURE_NO_WARNINGS 1
#define PACKED 

/* Assume that win32 platform runs on intel or little endian ARM */
#define __ORDER_LITTLE_ENDIAN__ 1
#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__

#elif __GNUC__

#define PACKED __attribute__( ( __packed__ ) )

#else //elif __MINGW32__

#error Compiler is not supported.

#endif

#ifdef __linux__
//linux code goes here
#include <sys/types.h>

#define PATH_SEPARATOR '/'
#define PATH_SEPARATOR_STR "/"

#define _FILE_OFFSET_BITS 64

typedef off_t off64_t;

#elif __APPLE__

#include <sys/types.h>

#define PATH_SEPARATOR '/'
#define PATH_SEPARATOR_STR "/"

#define _FILE_OFFSET_BITS 64

typedef off_t off64_t;

#elif _WIN32
// windows code goes here
#include <direct.h>
#define PATH_SEPARATOR '\\'
#define PATH_SEPARATOR_STR "\\"

typedef long long int off64_t;

#endif

//And a few universal definitions useful everywhere

int imin( int a, int b ) {
    return a < b ? a : b;
}

unsigned int umin( unsigned int a, unsigned int b ) {
    return a < b ? a : b;
}

long long int lmin( long long int a, long long int b ) {
    return a < b ? a : b;
}

unsigned long long int ulmin( unsigned long long int a, unsigned long long int b ) {
    return a < b ? a : b;
}

int imax( int a, int b ) {
    return a > b ? a : b;
}

unsigned int umax( unsigned int a, unsigned int b ) {
    return a > b ? a : b;
}

long long int lmax( long long int a, long long int b ) {
    return a > b ? a : b;
}

unsigned long long int ulmax( unsigned long long int a, unsigned long long int b ) {
    return a > b ? a : b;
}

#ifdef __cplusplus
}
#endif

#endif /* __PLATFORM_H__ */