rev-list: memory usage reduction.

[git.git] / commit.h

diff --git a/commit.h b/commit.h
index 5d179d4..98682b2 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -17,10 +17,13 @@ struct commit {
        char *buffer;
 };
 
+extern int save_commit_buffer;
 extern const char *commit_type;
 
 struct commit *lookup_commit(const unsigned char *sha1);
 struct commit *lookup_commit_reference(const unsigned char *sha1);
+struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
+                                             int quiet);
 
 int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
 
@@ -40,11 +43,12 @@ enum cmit_fmt {
        CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
        CMIT_FMT_SHORT,
        CMIT_FMT_FULL,
+       CMIT_FMT_FULLER,
        CMIT_FMT_ONELINE,
 };
 
 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);
+extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev);
 
 /** Removes the first commit from a list sorted by date, and adds all
  * of its parents.
@@ -54,18 +58,36 @@ struct commit *pop_most_recent_commit(struct commit_list **list,
 
 struct commit *pop_commit(struct commit_list **stack);
 
+void clear_commit_marks(struct commit *commit, unsigned int mark);
+
 int count_parents(struct commit * commit);
 
 /*
  * Performs an in-place topological sort of list supplied.
  *
- * Pre-conditions:
+ * Pre-conditions for sort_in_topological_order:
  *   all commits in input list and all parents of those
  *   commits must have object.util == NULL
- *        
- * Post-conditions: 
+ *
+ * Pre-conditions for sort_in_topological_order_fn:
+ *   all commits in input list and all parents of those
+ *   commits must have getter(commit) == NULL
+ *
+ * Post-conditions:
  *   invariant of resulting list is:
  *      a reachable from b => ord(b) < ord(a)
+ *   in addition, when lifo == 0, commits on parallel tracks are
+ *   sorted in the dates order.
  */
-void sort_in_topological_order(struct commit_list ** list);
+
+typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
+typedef void* (*topo_sort_get_fn_t)(struct commit*);
+
+void topo_sort_default_setter(struct commit *c, void *data);
+void *topo_sort_default_getter(struct commit *c);
+
+void sort_in_topological_order(struct commit_list ** list, int lifo);
+void sort_in_topological_order_fn(struct commit_list ** list, int lifo,
+                                 topo_sort_set_fn_t setter,
+                                 topo_sort_get_fn_t getter);
 #endif /* COMMIT_H */