add checkpoint.c and .h

1 files changed, 6 insertions, 0 deletions

diff --git a/src/path.h b/src/path.h
index 6cc2a52..aa61c44 100644
--- a/src/path.h
+++ b/src/path.h
@@ -20,8 +20,12 @@ struct path {
 #define FILE_STATE_INIT 0
 #define FILE_STATE_OPENED 1
 #define FILE_STATE_DONE 2
+
+	uint64_t data; /* used by other components, i.e., checkpoint */
 };
 
+struct path *alloc_path(char *path, char *dst_path);
+
 struct chunk {
 	struct path *p;
 	size_t off; /* offset of this chunk on the file on path p */
@@ -32,6 +36,8 @@ struct chunk {
 #define CHUNK_STATE_DONE 2
 };
 
+struct chunk *alloc_chunk(struct path *p, size_t off, size_t len);
+
 struct path_resolve_args {
 	size_t *total_bytes;