/* @(#)95 1.2  src/bos/usr/bin/patch/common.h, cmdposix, bos411, 9428A410j 11/3/93 10:11:37 */
/*
 * COMPONENT_NAME: (CMDPOSIX) new commands required by Posix 1003.2
 *
 * FUNCTIONS: None
 *
 * ORIGINS: 27, 85
 *
 * This module contains IBM CONFIDENTIAL code. -- (IBM
 * Confidential Restricted when combined with the aggregated
 * modules for this product)
 *                  SOURCE MATERIALS
 * (C) COPYRIGHT International Business Machines Corp. 1993
 * All Rights Reserved
 *
 * US Government Users Restricted Rights - Use, duplication or
 * disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 * (c) Copyright 1990, 1991, 1992, 1993 OPEN SOFTWARE FOUNDATION, INC. 
 * ALL RIGHTS RESERVED 
 *
 * OSF/1 1.2
 */
/* @(#)$RCSfile: common.h,v $ $Revision: 1.1.2.2 $ (OSF) $Date: 1992/07/06 18:32:03 $ */

/* Header: common.h,v 2.0.1.2 88/06/22 20:44:53 lwall Locked
 *
 * Log:	common.h,v
 * Revision 2.0.1.2  88/06/22  20:44:53  lwall
 * patch12: sprintf was declared wrong
 * 
 * Revision 2.0.1.1  88/06/03  15:01:56  lwall
 * patch10: support for shorter extensions.
 * 
 * Revision 2.0  86/09/17  15:36:39  lwall
 * Baseline for netwide release.
 * 
 */

#define DEBUGGING /* Do not remove DEBUGGING in order to support the -x flag */

#include "config.h"

/* shut lint up about the following when return value ignored */

#define Signal (void)signal
#define Unlink (void)unlink
#define Lseek (void)lseek
#define Fseek (void)fseek
#define Fstat (void)fstat
#define Pclose (void)pclose
#define Close (void)close
#define Fclose (void)fclose
#define Fflush (void)fflush
#define Sprintf (void)sprintf
#define Mktemp (void)mktemp
#define Strcpy (void)strcpy
#define Strcat (void)strcat

#include <stdio.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <ctype.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <langinfo.h>
#include <locale.h>
#include "pathnames.h"
#include "patch_msg.h"

/* constants */

#undef TRUE
#undef FALSE
#define TRUE (1)
#define FALSE (0)

#define MAXHUNKSIZE 100000		/* is this enough lines? */
#define INITHUNKMAX 125			/* initial dynamic allocation size */
#define MAXLINELEN 1024
#define BUFFERSIZE 1024
#define SCCSPREFIX "s."
#define GET "/usr/bin/get -e %s"
#define RCSSUFFIX ",v"
#define CHECKOUT "co -l %s"

#ifdef FLEXFILENAMES
#define ORIGEXT ".orig"
#define REJEXT ".rej"
#else
#define ORIGEXT "~"
#define REJEXT "#"
#endif

/* handy definitions */

#define Null(t) ((t)0)
#define Nullch Null(char *)
#define Nullfp Null(FILE *)
#define Nulline Null(LINENUM)

#define Ctl(ch) ((ch) & 037)

#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 */
typedef unsigned MEM;			/* what to feed malloc */

/* globals */

EXT int Argc;				/* guess */
EXT char **Argv;

EXT struct stat filestat;		/* file statistics area */
EXT int filemode INIT(0644);

EXT char buf[MAXLINELEN];		/* general purpose buffer */
EXT FILE *ofp INIT(Nullfp);		/* output file pointer */
EXT FILE *rejfp INIT(Nullfp);		/* reject file pointer */

EXT bool using_plan_a INIT(TRUE);	/* try to keep everything in memory */
EXT bool out_of_mem INIT(FALSE);	/* ran out of memory in plan a */
EXT bool onlyonce INIT(TRUE);		/* save original file only once */
EXT bool oflag INIT(FALSE);

#define MAXFILEC 2
EXT char *filearg[MAXFILEC];
EXT bool ok_to_create_file INIT(FALSE);
EXT char *bestguess INIT(Nullch);	/* guess at correct filename */

EXT char *outname INIT(Nullch);
EXT char rejname[128];

EXT char *origprae INIT(Nullch);

EXT char TMPINTNAME[] INIT("/var/tmp/patchnXXXXXX");
EXT char TMPOUTNAME[] INIT("/var/tmp/patchoXXXXXX");
EXT char TMPINNAME[] INIT("/var/tmp/patchiXXXXXX");	/* might want /usr/tmp here */
EXT char TMPREJNAME[] INIT("/var/tmp/patchrXXXXXX");
EXT char TMPPATNAME[] INIT("/var/tmp/patchpXXXXXX");
EXT bool toutkeep INIT(FALSE);
EXT bool trejkeep INIT(FALSE);

EXT LINENUM last_offset INIT(0);
#ifdef DEBUGGING
EXT int debug INIT(0);
#endif
EXT LINENUM maxfuzz INIT(2);
EXT bool force INIT(FALSE);
EXT bool verbose INIT(TRUE);
EXT bool reverse INIT(FALSE);
EXT bool noreverse INIT(FALSE);
EXT bool skip_rest_of_patch INIT(FALSE);
EXT int strippath INIT(957);
EXT bool canonicalize INIT(FALSE);
EXT bool saveorig INIT(FALSE);

#define CONTEXT_DIFF 1
#define NORMAL_DIFF 2
#define ED_DIFF 3
#define NEW_CONTEXT_DIFF 4
EXT int diff_type INIT(0);

EXT bool do_defines INIT(FALSE);	/* patch using ifdef, ifndef, etc. */
EXT char if_defined[128];		/* #ifdef xyzzy */
EXT char else_defined[] INIT("#else\n");/* #else */
EXT char end_defined[128];		/* #endif xyzzy */

EXT char *revision INIT(Nullch);	/* prerequisite revision, if any */

EXT nl_catd catd;
#define MSGSTR(Num,Str) catgets(catd, MS_PATCH, Num, Str)

/*
char *malloc();
char *realloc();
char *strcpy();
char *strcat();
long atol();
long lseek();
char *mktemp();
#ifdef CHARSPRINTF
char *sprintf();
#else
int sprintf();
#endif

*/