/*
* $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $
* $DragonFly: src/usr.bin/patch/common.h,v 1.5 2008/08/10 23:50:12 joerg Exp $
* $NetBSD: common.h,v 1.22 2021/05/25 11:25:59 cjep Exp $
*/

/*
* patch - a program to apply diffs to original files
*
* Copyright 1986, Larry Wall
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following condition is met:
* 1. Redistributions of source code must retain the above copyright notice,
* this condition and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* -C option added in 1998, original code by Marc Espie, based on FreeBSD
* behaviour
*/

#include <sys/types.h>

#include <stdbool.h>
#include <stdint.h>

#define DEBUGGING

/* constants */

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

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

#define RCSSUFFIX ",v"
#define CHECKOUT "/usr/bin/co"
#define RCSDIFF "/usr/bin/rcsdiff"

#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 mode_t   filemode;

extern char     *buf;           /* general purpose buffer */
extern size_t   bufsz;          /* general purpose buffer size */

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 */

extern int      posix;