diff options
Diffstat (limited to 'usr.bin/diff/diff.h')
| -rw-r--r-- | usr.bin/diff/diff.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/usr.bin/diff/diff.h b/usr.bin/diff/diff.h index 214ff77a362f..679b95e7ca94 100644 --- a/usr.bin/diff/diff.h +++ b/usr.bin/diff/diff.h @@ -51,6 +51,14 @@ #define D_UNSET -2 +/* + * Algorithms + */ + +#define D_DIFFNONE 0 +#define D_DIFFSTONE 1 /* Stone or 'old diff' algorithm */ +#define D_DIFFMYERS 2 /* Myers diff algorithm */ +#define D_DIFFPATIENCE 3 /* Patience diff algorithm */ /* * Output flags @@ -73,6 +81,9 @@ #define D_SKIPBLANKLINES 0x800 /* Skip blank lines */ #define D_MATCHLAST 0x1000 /* Display last line matching provided regex */ +/* Features supported by new algorithms */ +#define D_NEWALGO_FLAGS (D_FORCEASCII | D_PROTOTYPE | D_IGNOREBLANKS) + /* * Status values for print_status() and diffreg() return values */ @@ -98,8 +109,9 @@ struct excludes { }; extern bool lflag, Nflag, Pflag, rflag, sflag, Tflag, cflag; -extern bool ignore_file_case, suppress_common, color, noderef; -extern int diff_format, diff_context, status; +extern bool ignore_file_case, suppress_common, color, noderef, algorithm_set; +extern int diff_format, diff_context, diff_algorithm, status; +extern bool diff_algorithm_set; extern int tabsize, width; extern char *start, *ifdefname, *diffargs, *label[2]; extern char *ignore_pats, *most_recent_pat; @@ -110,5 +122,7 @@ extern struct excludes *excludes_list; extern regex_t ignore_re, most_recent_re; int diffreg(char *, char *, int, int); +int diffreg_new(char *, char *, int, int); +bool can_libdiff(int); void diffdir(char *, char *, int); void print_status(int, char *, char *, const char *); |