1 /* $OpenBSD: diff.h,v 1.34 2020/11/01 18:16:08 jcs Exp $ */
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31 * @(#)diff.h 8.1 (Berkeley) 6/6/93
35 #include <sys/types.h>
41 * Output format options
43 #define D_NORMAL 0 /* Normal output */
44 #define D_EDIT -1 /* Editor script out */
45 #define D_REVERSE 1 /* Reverse editor script */
46 #define D_CONTEXT 2 /* Diff with context */
47 #define D_UNIFIED 3 /* Unified context diff */
48 #define D_IFDEF 4 /* Diff with merged #ifdef's */
49 #define D_NREVERSE 5 /* Reverse ed script with numbered
50 lines and no trailing . */
51 #define D_BRIEF 6 /* Say if the files differ */
52 #define D_GFORMAT 7 /* Diff with defined changed group format */
53 #define D_SIDEBYSIDE 8 /* Side by side */
61 #define D_HEADER 0x001 /* Print a header/footer between files */
62 #define D_EMPTY1 0x002 /* Treat first file as empty (/dev/null) */
63 #define D_EMPTY2 0x004 /* Treat second file as empty (/dev/null) */
68 #define D_FORCEASCII 0x008 /* Treat file as ascii regardless of content */
69 #define D_FOLDBLANKS 0x010 /* Treat all white space as equal */
70 #define D_MINIMAL 0x020 /* Make diff as small as possible */
71 #define D_IGNORECASE 0x040 /* Case-insensitive matching */
72 #define D_PROTOTYPE 0x080 /* Display C function prototype */
73 #define D_EXPANDTABS 0x100 /* Expand tabs to spaces */
74 #define D_IGNOREBLANKS 0x200 /* Ignore white space changes */
75 #define D_STRIPCR 0x400 /* Strip trailing cr */
76 #define D_SKIPBLANKLINES 0x800 /* Skip blank lines */
77 #define D_MATCHLAST 0x1000 /* Display last line matching provided regex */
80 * Status values for print_status() and diffreg() return values
82 #define D_SAME 0 /* Files are the same */
83 #define D_DIFFER 1 /* Files are different */
84 #define D_BINARY 2 /* Binary files are different */
85 #define D_MISMATCH1 3 /* path1 was a dir, path2 a file */
86 #define D_MISMATCH2 4 /* path1 was a file, path2 a dir */
87 #define D_SKIPPED1 5 /* path1 was a special file */
88 #define D_SKIPPED2 6 /* path2 was a special file */
89 #define D_ERROR 7 /* A file access error occurred */
94 #define COLORFLAG_NEVER 0
95 #define COLORFLAG_AUTO 1
96 #define COLORFLAG_ALWAYS 2
100 struct excludes *next;
103 extern bool lflag, Nflag, Pflag, rflag, sflag, Tflag, cflag;
104 extern bool ignore_file_case, suppress_common, color, noderef;
105 extern int diff_format, diff_context, status;
106 extern int tabsize, width;
107 extern char *start, *ifdefname, *diffargs, *label[2];
108 extern char *ignore_pats, *most_recent_pat;
109 extern char *group_format;
110 extern const char *add_code, *del_code;
111 extern struct stat stb1, stb2;
112 extern struct excludes *excludes_list;
113 extern regex_t ignore_re, most_recent_re;
115 int diffreg(char *, char *, int, int);
116 void diffdir(char *, char *, int);
117 void print_status(int, char *, char *, const char *);