/*	$OpenBSD: common.h,v 1.20 2003/07/28 19:15:34 deraadt Exp $	*/

#define DEBUGGING

/* constants */

#define TRUE	1
#define FALSE	0

#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 char    bool;
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;


#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 */