X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=commit.h;h=c24ab210611815938f4d61f662f1c82e4959e61f;hb=c1c774e7965ba08061c3fc7bc57aebc7eeb6b40f;hp=f7a2cb88bd457d11fd1dcb17f5fb17b0860c72ba;hpb=bd1e17e245153fdc75feaaf5e556b922d98ca699;p=git.git

diff --git a/commit.h b/commit.h
index f7a2cb88..c24ab210 100644
--- a/commit.h
+++ b/commit.h
@@ -19,23 +19,52 @@ struct commit {
 
 extern const char *commit_type;
 
-struct commit *lookup_commit(unsigned char *sha1);
-struct commit *lookup_commit_reference(unsigned char *sha1);
+struct commit *lookup_commit(const unsigned char *sha1);
+struct commit *lookup_commit_reference(const unsigned char *sha1);
 
 int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
 
 int parse_commit(struct commit *item);
 
-void commit_list_insert(struct commit *item, struct commit_list **list_p);
+struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
+struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
 
 void free_commit_list(struct commit_list *list);
 
 void sort_by_date(struct commit_list **list);
 
+/* Commit formats */
+enum cmit_fmt {
+	CMIT_FMT_RAW,
+	CMIT_FMT_MEDIUM,
+	CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
+	CMIT_FMT_SHORT,
+	CMIT_FMT_FULL,
+};
+
+extern enum cmit_fmt get_commit_format(const char *arg);
+extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space);
+
 /** Removes the first commit from a list sorted by date, and adds all
  * of its parents.
  **/
 struct commit *pop_most_recent_commit(struct commit_list **list, 
 				      unsigned int mark);
 
+struct commit *pop_commit(struct commit_list **stack);
+
+int count_parents(struct commit * commit);
+
+/*
+ * Performs an in-place topological sort of list supplied.
+ *
+ * Pre-conditions:
+ *   all commits in input list and all parents of those
+ *   commits must have object.util == NULL
+ *        
+ * Post-conditions: 
+ *   invariant of resulting list is:
+ *      a reachable from b => ord(b) < ord(a)
+ */
+void sort_in_topological_order(struct commit_list ** list);
 #endif /* COMMIT_H */