X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=diffcore.h;h=2249bc2c05744ce5026744547fcb30195a19b3f1;hb=e52775f43857f377aa2aa69f82ac2d2f26dc6297;hp=1f4b32c1c1628b1f040da0421423cf5cfb8561ad;hpb=355e76a4a3c5e49ae15a642806457bce10fe2ef4;p=git.git

diff --git a/diffcore.h b/diffcore.h
index 1f4b32c1c..2249bc2c0 100644
--- a/diffcore.h
+++ b/diffcore.h
@@ -8,14 +8,25 @@
  * (e.g. diffcore-rename, diffcore-pickaxe).  Never include this header
  * in anything else.
  */
-#define MAX_SCORE 60000
+
+/* We internally use unsigned short as the score value,
+ * and rely on an int capable to hold 32-bits.  -B can take
+ * -Bmerge_score/break_score format and the two scores are
+ * passed around in one int (high 16-bit for merge and low 16-bit
+ * for break).
+ */
+#define MAX_SCORE 60000.0
 #define DEFAULT_RENAME_SCORE 30000 /* rename/copy similarity minimum (50%) */
-#define DEFAULT_BREAK_SCORE  59400 /* minimum for break to happen (99%)*/
+#define DEFAULT_BREAK_SCORE  30000 /* minimum for break to happen (50%) */
+#define DEFAULT_MERGE_SCORE  36000 /* maximum for break-merge to happen 60%) */
+
+#define MINIMUM_BREAK_SIZE     400 /* do not break a file smaller than this */
 
 struct diff_filespec {
 	unsigned char sha1[20];
 	char *path;
 	void *data;
+	void *cnt_data;
 	unsigned long size;
 	int xfrm_flags;		 /* for use by the xfrm */
 	unsigned short mode;	 /* file mode */
@@ -42,11 +53,12 @@ struct diff_filepair {
 	char status; /* M C R N D U (see Documentation/diff-format.txt) */
 	unsigned source_stays : 1; /* all of R/C are copies */
 	unsigned broken_pair : 1;
+	unsigned renamed_pair : 1;
 };
 #define DIFF_PAIR_UNMERGED(p) \
 	(!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two))
 
-#define DIFF_PAIR_RENAME(p) (strcmp((p)->one->path, (p)->two->path))
+#define DIFF_PAIR_RENAME(p) ((p)->renamed_pair)
 
 #define DIFF_PAIR_BROKEN(p) \
 	( (!DIFF_FILE_VALID((p)->one) != !DIFF_FILE_VALID((p)->two)) && \
@@ -73,6 +85,13 @@ extern struct diff_filepair *diff_queue(struct diff_queue_struct *,
 					struct diff_filespec *);
 extern void diff_q(struct diff_queue_struct *, struct diff_filepair *);
 
+extern void diffcore_pathspec(const char **pathspec);
+extern void diffcore_break(int);
+extern void diffcore_rename(struct diff_options *);
+extern void diffcore_merge_broken(void);
+extern void diffcore_pickaxe(const char *needle, int opts);
+extern void diffcore_order(const char *orderfile);
+
 #define DIFF_DEBUG 0
 #if DIFF_DEBUG
 void diff_debug_filespec(struct diff_filespec *, int, const char *);
@@ -84,4 +103,12 @@ void diff_debug_queue(const char *, struct diff_queue_struct *);
 #define diff_debug_queue(a,b) do {} while(0)
 #endif
 
+extern int diffcore_count_changes(void *src, unsigned long src_size,
+				  void *dst, unsigned long dst_size,
+				  void **src_count_p,
+				  void **dst_count_p,
+				  unsigned long delta_limit,
+				  unsigned long *src_copied,
+				  unsigned long *literal_added);
+
 #endif