From 57f37551f80bc869176125b5dd6f16863e6fdf57 Mon Sep 17 00:00:00 2001
From: Ilya Kolpakov <ilya.kolpakov@gmail.com>
Date: Wed, 6 Jun 2018 16:26:23 +0200
Subject: [PATCH] expose mm_idx_is_idx, mm_idx_load and mm_idx_dump

---
 minimap.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/minimap.h b/minimap.h
index 6f1b701..092d9b6 100644
--- a/minimap.h
+++ b/minimap.h
@@ -219,6 +219,33 @@ void mm_idx_reader_close(mm_idx_reader_t *r);
 
 int mm_idx_reader_eof(const mm_idx_reader_t *r);
 
+/**
+ * Check whether the file contains a minimap2 index
+ *
+ * @param fn         index file name
+ * @return 1 if file can be opened and is a minimap2 index; 0 otherwise
+ */
+int64_t mm_idx_is_idx(const char *fn);
+
+/**
+ * Load an index
+ *
+ * Unlike mm_idx_reader_read this function specifically loads an existing
+ * index.
+ *
+ * @param fp         pointer to FILE object
+ * @return minimap2 index read from fp
+ */
+mm_idx_t *mm_idx_load(FILE *fp);
+
+/**
+ * Save an index
+ *
+ * @param fp         pointer to FILE object
+ * @param mi         minimap2 index
+ */
+void mm_idx_dump(FILE *fp, const mm_idx_t *mi);
+
 /**
  * Create an index from strings in memory
  *