bolt on data generation, kind of.

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

1 files changed, 27 insertions, 5 deletions

diff --git a/src/defs.h b/src/defs.h
index 1ad2d72..3b8f1c1 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -1,3 +1,7 @@
+/* SPDX-License-Identifier: LGPL-2.1-only */
+
+/* Copyright (C) 2020 Gediminas Jakutis */
+
 #ifndef ALGOS_DEFS_H_INCLUDED
 #define ALGOS_DEFS_H_INCLUDED
 
@@ -16,6 +20,9 @@
 		goto l;\
 	}} while (0);
 
+#define get(in, idx, data) (in->cached ? in->get_element_cache(in, idx, data) | in->get_element(in, idx, data))
+#define put(in, idx, data) (in->cached ? in->put_element_cache(in, idx, data) | in->put_element(in, idx, data))
+
 /* for array implementation */
 struct entry {
 	uint64_t val;
@@ -24,8 +31,8 @@ struct entry {
 /* for linked list implementation */
 struct entry_l {
 	struct entry;
-	uint32_t next; /* """pointer""" to the next element. */
-	uint32_t prev; /* """pointer""" to the previous element. */
+	int32_t next; /* """pointer""" to the next element. */
+	int32_t prev; /* """pointer""" to the previous element. */
 };
 
 enum opmode {
@@ -34,14 +41,28 @@ enum opmode {
 	mode_generate
 };
 
+enum accessmode {
+	cached,
+	direct
+};
+
+enum dataformat {
+	array,
+	list
+};
+
 struct stream {
 	size_t n;
 	ssize_t prev_idx;
 	int fd;
 	int out;
+	int cached;
 	char *name;
-	int (*get)(struct stream *, size_t, struct entry_l *, int);
-	int (*put)(struct stream *, size_t, struct entry_l *, int);
+	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 *);
 };
 
 struct settings {
@@ -50,8 +71,9 @@ struct settings {
 	size_t stride;
 	char *filein;
 	char *fileout;
-	unsigned int flags;
 	enum opmode opmode;
+	enum dataformat format;
+	enum accessmode access;
 };
 
 #endif /* ALGOS_DEFS_H_INCLUDED */