src/lib/common.hpp

#ifndef _COMMON_H
#define _COMMON_H

#define BANNER \
"AutoCoast: Automatic Coastline scenery generator for Flight Simulator\n" \
" Version 0.3\n" \
" Copyright (C) 2004, Takuya Murakami. All rights reserved.\n\n"

inline unsigned long htonl(unsigned long x)
{
        unsigned long y;

        y =     (x >> 24) & 0x000000ff |
                (x >>  8) & 0x0000ff00 |
                (x <<  8) & 0x00ff0000 |
                (x << 24) & 0xff000000;
        return y;
}

inline unsigned short htons(unsigned short x)
{
        unsigned short y;

        y =     (x >> 8) & 0x00ff |
                (x << 8) & 0xff00;
        return y;
}

inline unsigned long ntohl(unsigned long x) { return htonl(x); }
inline unsigned short ntohs(unsigned short x) { return ntohs(x); }

#define ABS(x)          (((x) < 0) ? -(x) : (x))

#ifdef  DEBUG
inline void AssertFail(const char *fname, int line)
{
        fprintf(stderr, "Assertion Failed: %s line %d\n", fname, line);
        exit(1);
}
#define ASSERT(x)       if ((x)) ; else AssertFail(__FILE__, __LINE__)

#else
#define ASSERT(x)       //
#endif

#endif