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31 * @(#)diff.h 8.1 (Berkeley) 6/6/93
35 #include <sys/types.h>
39 * Output format options
41 #define D_NORMAL 0 /* Normal output */
42 #define D_EDIT -1 /* Editor script out */
43 #define D_REVERSE 1 /* Reverse editor script */
44 #define D_CONTEXT 2 /* Diff with context */
45 #define D_UNIFIED 3 /* Unified context diff */
46 #define D_IFDEF 4 /* Diff with merged #ifdef's */
47 #define D_NREVERSE 5 /* Reverse ed script with numbered
48 lines and no trailing . */
49 #define D_BRIEF 6 /* Say if the files differ */
50 #define D_GFORMAT 7 /* Diff with defined changed group format */
51 #define D_SIDEBYSIDE 8 /* Side by side */
56 #define D_HEADER 0x001 /* Print a header/footer between files */
57 #define D_EMPTY1 0x002 /* Treat first file as empty (/dev/null) */
58 #define D_EMPTY2 0x004 /* Treat second file as empty (/dev/null) */
63 #define D_FORCEASCII 0x008 /* Treat file as ascii regardless of content */
64 #define D_FOLDBLANKS 0x010 /* Treat all white space as equal */
65 #define D_MINIMAL 0x020 /* Make diff as small as possible */
66 #define D_IGNORECASE 0x040 /* Case-insensitive matching */
67 #define D_PROTOTYPE 0x080 /* Display C function prototype */
68 #define D_EXPANDTABS 0x100 /* Expand tabs to spaces */
69 #define D_IGNOREBLANKS 0x200 /* Ignore white space changes */
70 #define D_STRIPCR 0x400 /* Strip trailing cr */
71 #define D_SKIPBLANKLINES 0x800 /* Skip blank lines */
74 * Status values for print_status() and diffreg() return values
76 #define D_SAME 0 /* Files are the same */
77 #define D_DIFFER 1 /* Files are different */
78 #define D_BINARY 2 /* Binary files are different */
79 #define D_MISMATCH1 3 /* path1 was a dir, path2 a file */
80 #define D_MISMATCH2 4 /* path1 was a file, path2 a dir */
81 #define D_SKIPPED1 5 /* path1 was a special file */
82 #define D_SKIPPED2 6 /* path2 was a special file */
86 struct excludes *next;
89 extern int lflag, Nflag, Pflag, rflag, sflag, Tflag, cflag, Wflag;
90 extern int diff_format, diff_context, status, ignore_file_case;
91 extern int suppress_common;
92 extern int tabsize, width;
93 extern char *start, *ifdefname, *diffargs, *label[2], *ignore_pats;
94 extern char *group_format;
95 extern struct stat stb1, stb2;
96 extern struct excludes *excludes_list;
97 extern regex_t ignore_re;
99 char *splice(char *, char *);
100 int diffreg(char *, char *, int, int);
101 int easprintf(char **, const char *, ...);
102 void *emalloc(size_t);
103 void *erealloc(void *, size_t);
104 void diffdir(char *, char *, int);
105 void print_only(const char *, size_t, const char *);
106 void print_status(int, char *, char *, const char *);