/* wrapper/rvs.h -- general and machine specific functions for rvs.
   system depends:<stdio.h> <stdlib.h> <string.h> <unistd.h> <errno.h> <error.h>
   Copyright (C) 2009 Luke Shumaker
   
   This file is part of rvs.
   
   rvs is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your
   option) any later version.
   
   rvs is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   See the GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with rvs; see the file COPYING.
   If not, write to the Free Software Foundation,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef FILE_rvs_h_SEEN
#define FILE_rvs_h_SEEN

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <error.h>

/* glibc */
extern char *program_invocation_name;
extern char *program_invocation_short_name;

/* stdlib.h */
/*extern int EXIT_SUCCESS;*/
/*extern int EXIT_FAILURE;*/

extern
void *
xmalloc (size_t size);

extern
void *
xrealloc (void *ptr, size_t size);

extern
void
xfree (void *ptr);

extern
void
xsystem (const char *command);

/* unistd.h */
extern
int
xchdir (const char *filename);

/* stdio.h */
extern
FILE *
xfopen (const char *filename, const char *opentype);

/* string funtions */
extern
void
stradds(size_t *size, char **dest, char *str);

extern
char *
stralloc (const char *string);

#endif