cache I/O implementation and fixes.

Signed-off-by: Gediminas Jakutis <gediminas@varciai.lt>

1 files changed, 5 insertions, 4 deletions

diff --git a/src/defs.h b/src/defs.h
index ff19102..f3eb48f 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -57,15 +57,16 @@ enum dataformat {
 struct stream {
 	size_t n;
 	ssize_t prev_idx;
+	off_t prev_off;
 	int fd;
 	int out;
 	int cached;
 	char *name;
 	struct entry_l *cache;
-	int (*get_element)(struct stream * const restrict, size_t, struct entry_l *);
-	int (*put_element)(struct stream * const restrict, size_t, struct entry_l *);
-	int (*get_element_cache)(struct stream * const restrict, size_t, struct entry_l *);
-	int (*put_element_cache)(struct stream * const restrict, size_t, struct entry_l *);
+	int (*get_element)(struct stream * const, ssize_t, struct entry_l * const);
+	int (*put_element)(struct stream * const restrict, ssize_t, struct entry_l const * const);
+	int (*get_element_cache)(struct stream * const, ssize_t, struct entry_l * const);
+	int (*put_element_cache)(struct stream * const restrict, ssize_t, struct entry_l const * const);
 };
 
 struct settings {