#ifndef EXCEPTION_H
#define EXCEPTION_H

typedef enum exception_type {
  NO_ERROR, // or NULL
  NO_FILE,
  XML_FILE_MISSING,
  XML_READ_FILE_FAIL,
  MD5SUM_GEN_FAIL,
  MD5SUM_VERIFY_FAIL
} exception_type;

typedef struct exception_t {
  exception_type type;
  char *msg;
} exception_t;

exception_t*
exception_init();

void
exception_free(exception_t *e);

int
exception_null(const exception_t *e);

char*
exception_str(const exception_t *e, char* msg);

#endif