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Do not add an extra newline at the end if the last line of the input
file contains no newline and the diff does not touch the last line.
Contributions from millert@.

ok millert@ tedu@

/*	$OpenBSD: common.h,v 1.23 2003/08/10 21:28:48 otto Exp $	*/

#include <stdbool.h>

#define DEBUGGING

/* constants */

#define MAXHUNKSIZE 100000	/* is this enough lines? */
#define INITHUNKMAX 125		/* initial dynamic allocation size */
#define MAXLINELEN 8192
#define BUFFERSIZE 1024

#define SCCSPREFIX "s."
#define GET "get -e %s"
#define SCCSDIFF "get -p %s | diff - %s >/dev/null"

#define RCSSUFFIX ",v"
#define CHECKOUT "co -l %s"
#define RCSDIFF "rcsdiff %s > /dev/null"

#define ORIGEXT ".orig"
#define REJEXT ".rej"

/* handy definitions */

#define strNE(s1,s2) (strcmp(s1, s2))
#define strEQ(s1,s2) (!strcmp(s1, s2))
#define strnNE(s1,s2,l) (strncmp(s1, s2, l))
#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))

/* typedefs */

typedef long    LINENUM;	/* must be signed */

/* globals */

extern int	filemode;

extern char	buf[MAXLINELEN];/* general purpose buffer */

extern bool	using_plan_a;	/* try to keep everything in memory */
extern bool	out_of_mem;	/* ran out of memory in plan a */

#define MAXFILEC 2

extern char	*filearg[MAXFILEC];
extern bool	ok_to_create_file;
extern char	*outname;
extern char	*origprae;

extern char	*TMPOUTNAME;
extern char	*TMPINNAME;
extern char	*TMPREJNAME;
extern char	*TMPPATNAME;
extern bool	toutkeep;
extern bool	trejkeep;

#ifdef DEBUGGING
extern int	debug;
#endif

extern bool	force;
extern bool	batch;
extern bool	verbose;
extern bool	reverse;
extern bool	noreverse;
extern bool	skip_rest_of_patch;
extern int	strippath;
extern bool	canonicalize;
/* TRUE if -C was specified on command line.  */
extern bool	check_only;
extern bool	warn_on_invalid_line;
extern bool	last_line_missing_eol;


#define CONTEXT_DIFF 1
#define NORMAL_DIFF 2
#define ED_DIFF 3
#define NEW_CONTEXT_DIFF 4
#define UNI_DIFF 5

extern int	diff_type;
extern char	*revision;	/* prerequisite revision, if any */
extern LINENUM	input_lines;	/* how long is input file in lines */