framework.h

//
// Created by Abrar Shivani on 2/26/17.
//

#ifndef FRAMEWORK_H
#define FRAMEWORK_H


/* module wide constants */
#define PAGE_SIZE 4096

/* return code definitions */
typedef int RC;

#define RC_OK 0

/* holder for error messages */
extern char *RC_message;

/* print a message to standard out describing the error */
extern void printError (RC error);
extern char *errorMessage (RC error);

#define THROW(rc,message) \
  do {			  \
    RC_message=message;	  \
    return rc;		  \
  } while (0)		  \

// check the return code and exit if it is an error
#define CHECK(code)							\
  do {									\
    int rc_internal = (code);						\
    if (rc_internal != RC_OK)						\
      {									\
	char *message = errorMessage(rc_internal);			\
	printf("[%s-L%i-%s] ERROR: Operation returned error: %s\n",__FILE__, __LINE__, __TIME__, message); \
	free(message);							\
	exit(1);							\
      }									\
  } while(0);


#endif //FRAMEWORK_H