added -n flag from rcs diff

[unix-history] / usr / src / usr.bin / diff / diff / diff.h

/*      diff.h  4.7     85/08/16        */

/*
* diff - common declarations
*/

#include <stdio.h>
#include <ctype.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/dir.h>
#include <signal.h>

/*
* Output format options
*/
int     opt;

#define D_NORMAL        0       /* Normal output */
#define D_EDIT          -1      /* Editor script out */
#define D_REVERSE       1       /* Reverse editor script */
#define D_CONTEXT       2       /* Diff with context */
#define D_IFDEF         3       /* Diff with merged #ifdef's */
#define D_NREVERSE      4       /* Reverse ed script with numbered
                                  lines and no trailing . */

int     tflag;                  /* expand tabs on output */

/*
* Algorithm related options
*/
int     hflag;                  /* -h, use halfhearted DIFFH */
int     bflag;                  /* ignore blanks in comparisons */
int     wflag;                  /* totally ignore blanks in comparisons */
int     iflag;                  /* ignore case in comparisons */

/*
* Options on hierarchical diffs.
*/
int     lflag;                  /* long output format with header */
int     rflag;                  /* recursively trace directories */
int     sflag;                  /* announce files which are same */
char    *start;                 /* do file only if name >= this */

/*
* Variables for -I D_IFDEF option.
*/
int     wantelses;              /* -E */
char    *ifdef1;                /* String for -1 */
char    *ifdef2;                /* String for -2 */
char    *endifname;             /* What we will print on next #endif */
int     inifdef;

/*
* Variables for -c context option.
*/
int     context;                /* lines of context to be printed */

/*
* State for exit status.
*/
int     status;
int     anychange;
char    *tempfile;              /* used when comparing against std input */

/*
* Variables for diffdir.
*/
char    **diffargv;             /* option list to pass to recursive diffs */

/*
* Input file names.
* With diffdir, file1 and file2 are allocated BUFSIZ space,
* and padded with a '/', and then efile0 and efile1 point after
* the '/'.
*/
char    *file1, *file2, *efile1, *efile2;
struct  stat stb1, stb2;

char    *malloc(), *talloc(), *ralloc();
char    *savestr(), *splice(), *splicen();
char    *mktemp(), *copytemp(), *rindex();
int     done();

extern  char diffh[], diff[], pr[];