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/*  
  utils.h  -- header file for fixmsxpart.c and msxlint.c

  Copyright (c) 2005-15  R. D. Tennent   
  School of Computing, Queen's University, rdt@cs.queensu.ca 

This program 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 of the License, or (at your
option) any later version.

This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/

#ifdef HAVE_CONFIG_H   /* for TeXLive */
#include <config.h>
#endif

# define PRIVATE static
# include <stdlib.h>
# include <string.h>
# include <stdio.h>
# ifdef KPATHSEA
# include <kpathsea/getopt.h>
# else
# include <getopt.h>
# endif
# include <time.h>

# define LINE_LEN 1024

# ifdef HAVE_STDBOOL_H
# include <stdbool.h>
# else
# ifndef HAVE__BOOL
# define _Bool signed char
# endif
# define bool    _Bool
# define true    1
# define false   0
# endif


extern size_t append (char *dst, char **offset, const char *src, size_t n);
/*  Copies src to *offset and updates *offset accordingly (if possible). 
 *  Assumes *offset is dst if offset == NULL.
 *  The src string must be null-terminated.
 *  Execution aborts unless **offset == '\0'. 
 *  Returns (original offset - dst) + strlen(src);  if >= n, the string was truncated.
 */

extern bool prefix (const char *cs, const char *ct); /* is string cs[] a prefix of ct[]?  */
extern bool suffix (const char *cs, const char *ct); /* is string cs[] a suffix of ct[]?  */

extern void error (const char msg[]);	/* abort with stderr message msg */
extern void warning (const char msg[]); /* output warning message msg to stderr  */