/** \file sanity.h
	Prototypes for functions for performing sanity checks on the program state
*/

#ifndef FISH_SANITY_H
#define FISH_SANITY_H

#include <wchar.h>

/**
  Call this function to tell the program it is not in a sane state.
*/
void sanity_lose();

/**
  Perform sanity checks, return 1 if program is in a sane state 0 otherwise.
*/
int sanity_check();

/**
  Try and determine if ptr is a valid pointer. If not, loose sanity.
  
  \param ptr The pointer to validate
  \param err A description of what the pointer refers to, for use in error messages
  \param null_ok Wheter the pointer is allowed to point to 0
*/
void validate_pointer( const void *ptr, const wchar_t *err, int null_ok );

#endif