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#ifndef __EXCEPTIONS_H__
#define __EXCEPTIONS_H__

#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
#include <generic.h>

#ifndef pid_t
typedef int pid_t;
#endif

#pragma warning (disable:4290)

class String;
struct ugly_string;

class Base {
  public:
    static char * strdup(const char * s);
    static void * malloc(ssize_t s);
    static void * realloc(void * p, size_t s);
    static void * calloc(size_t n, size_t s);
    void * operator new(size_t s);
    void * operator new(size_t s, void * p);
    void operator delete(void * p);
    static void free(void *& p);
    static void free(char *& p);
    static void free(unsigned char *& p);
    static int pipe(int * p, int flag = 0);
    static pid_t fork();
    static void exit(int);
    static void printm(int level, const ugly_string &, ...);
    static void printm(int level, const char *, ...);
};

class String;

class GeneralException : public Base {
  public:
      GeneralException(String);
      GeneralException(const GeneralException &);
      ~GeneralException();
    const char * GetMsg() const;

  protected:
      GeneralException();
    char * msg;
    static char t[BUFSIZ];
};

char * xstrdup(const char *);
void * xmalloc(size_t) throw (GeneralException);
void xfree(void *&);
void xfree(char *&);
void xfree(unsigned char *&);
void * xrealloc(void *, size_t);
int xpipe(int *, int = 0) throw (GeneralException);
pid_t xfork() throw (GeneralException);
void xexit(int) throw (GeneralException);

class MemoryException : public GeneralException {
  public:
      MemoryException(ssize_t);
};

class TaskNotFound : public GeneralException {
  public:
      TaskNotFound();
};

enum op_t {
  IO_WRITE = 1,
  IO_READ
};

class IOGeneral : public GeneralException {
  public:
      IOGeneral(String);
  protected:
      IOGeneral();
};

class IOException : public IOGeneral {
  public:
      IOException(String, op_t, ssize_t);
};

class IOAgain : public IOGeneral {
  public:
      IOAgain();
};

class TaskSwitch : public GeneralException {
  public:
      TaskSwitch();
};

class Exit : public GeneralException {
  public:
      Exit(int);
      int GetCode();
  private:
    int code;
};

#include <BString.h>

#endif