#ifndef LL_MERGE_H
#define LL_MERGE_H
+#define LL_OPT_VIRTUAL_ANCESTOR (1 << 0)
+#define LL_OPT_FAVOR_MASK ((1 << 1) | (1 << 2))
+#define LL_OPT_FAVOR_SHIFT 1
+#define LL_OPT_RENORMALIZE (1 << 3)
+
+static inline int ll_opt_favor(int flag)
+{
+ return (flag & LL_OPT_FAVOR_MASK) >> LL_OPT_FAVOR_SHIFT;
+}
+
+static inline int create_ll_flag(int favor)
+{
+ return ((favor << LL_OPT_FAVOR_SHIFT) & LL_OPT_FAVOR_MASK);
+}
+
int ll_merge(mmbuffer_t *result_buf,
const char *path,
mmfile_t *ancestor, const char *ancestor_label,