#ifndef _SPHO_ERR_H
#define _SPHO_ERR_H

#define SPHO_ERR_SYSTEM         0x000001

#define SPHO_ERR_INTERNAL       0x010001

#define SPHO_ERR_IS_SYSERR(err)		(SPHO_ERR_SYSTEM == err)

#ifdef SPHO_DEBUG

#define SPHO_ERR(ctx, err)						\
	do {								\
		ctx->err = err;						\
		if (err == SPHO_ERR_SYSTEM)				\
			ctx->err_info = errno;				\
		snprintf(ctx->filebuf, sizeof(ctx->filebuf), "%s",	\
		    __FILE__);						\
		ctx->errline = __LINE__;				\
	} while (0)

#else /* SPHO_DEBUG */

#define SPHO_ERR(ctx, err)						\
	do {								\
		ctx->err = err;						\
		if (err == SPHO_ERR_SYSTEM)				\
			ctx->err_info = errno;				\
	} while (0)

#endif /* SPHO_DEBUG */

/* debug stuff */
#ifdef SPHO_DEBUG

/* PRECOND/ASSERT/POSTCOND */
#define SPHO_PRECOND(cond) do {                                               \
  if (! (cond) ) {                                                            \
    fprintf(stderr, "SPHO_PRECOND(" #cond ")@" __FILE__ ":" __LINE__          \
      " failed. Aborting.");                                                  \
    abort();                                                                  \
  }                                                                           \
} while (0)

#define SPHO_ASSERT(cond) do {                                                \
  if (! (cond) ) {                                                            \
    fprintf(stderr, "SPHO_ASSERT(" #cond ")@" __FILE__ ":" __LINE__           \
      " failed. Aborting.");                                                  \
    abort();                                                                  \
  }                                                                           \
} while (0)

#define SPHO_POSTCOND(cond) do {                                              \
  if (! (cond) ) {                                                            \
    fprintf(stderr, "SPHO_POSTCOND(" #cond ")@" __FILE__ ":" __LINE__         \
      " failed. Aborting.");                                                  \
    abort();                                                                  \
  }                                                                           \
} while (0)

#else
#define SPHO_PRECOND(cond)
#define SPHO_ASSERT(cond)
#define SPHO_POSTCOND(cond)
#endif

#endif