// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>

//

// 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 VMAILMGR__DEBUG__H__

#define VMAILMGR__DEBUG__H__

#define trace(X) trace2(this,X)

#define traceptr(X,P) trace3(this,X " " #P "=",P)

#define tracestr(X,P) trace4(this,X " " #P "=(",P)

#ifdef TRACE

#include <unistd.h>

static inline const char* itoh(unsigned i)

{

  static char convert[17] = "0123456789abcdef";

  static char buf[9];

  for(unsigned j = 8; j > 0; ) {

    --j;

    buf[j] = convert[i & 0xf];

    i >>= 4;

  }

  buf[8] = 0;

  return buf;

}

static inline void trace2(const void* s, const char* x)

{

  write(2, itoh((unsigned)s), 8);

  write(2, ": ", 2);

  write(2, x, strlen(x));

  write(2, "\n", 1);

}

static inline void trace3(const void* s, const char* x, const void* p)

{

  write(2, itoh((unsigned)s), 8);

  write(2, ": ", 2);

  write(2, x, strlen(x));

  write(2, itoh((unsigned)p), 8);

  write(2, "\n", 1);

}

static inline void trace4(const void* s, const char* x, const char* p)

{

  write(2, itoh((unsigned)s), 8);

  write(2, ": ", 2);

  write(2, x, strlen(x));

  write(2, itoh((unsigned)p), 8);

  write(2, ")'", 2);

  write(2, p, strlen(p));

  write(2, "'\n", 2);

}

#else

#define trace2(X,P)

#define trace3(T,X,P)

#define trace4(T,X,P)

#endif

#ifdef DEBUG

static inline void debug(const char* x)

{

  write(2, x, strlen(x));

  write(2, "\n", 1);

}

static inline void fail(int code, const char* message)

{

  debug(message);

  exit(code);

}

#else

#define fail(X,Y) exit(X)

#define debug(X)

#endif

#endif