/*-
 * 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.
 * 
 * patch - a program to apply diffs to original files
 *
 * -C option added in 1998, original code by Marc Espie, based on FreeBSD
 * behaviour
 *
 * $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $
 */

#include <sys/types.h>

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

#define DEBUGGING

/* constants */

#define MAXHUNKSIZE 200000      /* is this enough lines? */
#define INITHUNKMAX 125         /* initial dynamic allocation size */
#define INITLINELEN 4096
#define BUFFERSIZE 4096
#define LINENUM_MAX LONG_MAX

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

/* handy definitions */

#define strEQ(s1,s2) (strcmp(s1, s2) == 0)
#define strnNE(s1,s2,l) (strncmp(s1, s2, l) != 0)
#define strnEQ(s1,s2,l) (strncmp(s1, s2, l) == 0)

/* typedefs */

typedef long    LINENUM;        /* must be signed */

/* globals */

extern mode_t   filemode;

extern char     *buf;           /* general purpose buffer */            
extern size_t   buf_size;       /* size of 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 */
extern bool     nonempty_patchf_seen;   /* seen a non-zero-length patch file? */

#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;