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31 * @(#)diff.h 8.1 (Berkeley) 6/6/93
34 #include <sys/types.h>
38 * Output format options
40 #define D_UNIFIED 3 /* Unified context diff */
41 #define D_BRIEF 6 /* Say if the files differ */
46 #define D_HEADER 0x001 /* Print a header/footer between files */
47 #define D_EMPTY1 0x002 /* Treat first file as empty (/dev/null) */
48 #define D_EMPTY2 0x004 /* Treat second file as empty (/dev/null) */
53 #define D_FORCEASCII 0x008 /* Treat file as ascii regardless of content */
54 #define D_FOLDBLANKS 0x010 /* Treat all white space as equal */
55 #define D_MINIMAL 0x020 /* Make diff as small as possible */
56 #define D_IGNORECASE 0x040 /* Case-insensitive matching */
57 #define D_PROTOTYPE 0x080 /* Display C function prototype */
58 #define D_EXPANDTABS 0x100 /* Expand tabs to spaces */
59 #define D_IGNOREBLANKS 0x200 /* Ignore white space changes */
62 * Status values for got_diffreg() return values
64 #define D_SAME 0 /* Files are the same */
65 #define D_DIFFER 1 /* Files are different */
66 #define D_BINARY 2 /* Binary files are different */
67 #define D_MISMATCH1 3 /* path1 was a dir, path2 a file */
68 #define D_MISMATCH2 4 /* path1 was a file, path2 a dir */
69 #define D_SKIPPED1 5 /* path1 was a special file */
70 #define D_SKIPPED2 6 /* path2 was a special file */
74 struct excludes *next;
77 struct got_diff_state {
78 int *J; /* will be overlaid on class */
79 int *class; /* will be overlaid on file[0] */
80 int *klist; /* will be overlaid on file[0] after class */
81 int *member; /* will be overlaid on file[1] */
84 int pref, suff; /* length of prefix and suffix */
87 long *ixnew; /* will be overlaid on file[1] */
88 long *ixold; /* will be overlaid on klist */
89 struct cand *clist; /* merely a free storage pot for candidates */
90 int clistlen; /* the length of clist */
91 struct line *sfile[2]; /* shortened by pruning common prefix/suffix */
92 u_char *chrtran; /* translation table for case-folding */
93 struct context_vec *context_vec_start;
94 struct context_vec *context_vec_end;
95 struct context_vec *context_vec_ptr;
97 #define FUNCTION_CONTEXT_SIZE 55
98 char lastbuf[FUNCTION_CONTEXT_SIZE];
101 struct stat stb1, stb2;
105 struct got_diff_args {
107 int diff_format, diff_context, status;
109 const char *label[2];
112 const struct got_error *got_diffreg(int *, FILE *,
113 FILE *, int, struct got_diff_args *, struct got_diff_state *, FILE *);