get rid of pnode, t'was unused.

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

3 files changed, 5 insertions, 9 deletions

diff --git a/src/cache.c b/src/cache.c
index 19c5a92..5443e28 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1-only */
 
-/* Copyright (C) 2020 Gediminas Jakutis */
+/* Copyright (C) 2020-2021 Gediminas Jakutis */
 
 #include <errno.h>
 #include <stdlib.h>
@@ -230,15 +230,13 @@ int cached_put_list(struct stream * const restrict in, const struct entry_l * co
 	int ret = 0;
 
 	if (!in->cnode) { /* if this is the very first one */
-		in->pnode = NULL;
 		in->cnode = in->cache_l;
 		in->cnode->val = node->val;
 		in->cnode->next = NULL;
 		in->index = 0;
 	} else {
-		in->pnode = in->cnode;
-		in->cnode = in->cnode + 1; /* lol says librin, lmao */
-		in->pnode->next = in->cnode;
+		in->cnode->next = in->cnode + 1; /* lol says librin, lmao */
+		in->cnode = in->cnode->next;
 		in->cnode->val = node->val;
 		in->cnode->next = NULL;
 		++in->index;
@@ -251,7 +249,6 @@ int cache_rewind(struct stream * const in)
 {
 	int ret = 0;
 
-	in->pnode = NULL;
 	in->cnode = in->cnode ? in->cache_l : NULL;
 	in->index = 0;
 
diff --git a/src/defs.h b/src/defs.h
index e90f0e5..a0d61cd 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1-only */
 
-/* Copyright (C) 2020 Gediminas Jakutis */
+/* Copyright (C) 2020-2021 Gediminas Jakutis */
 
 #ifndef ALGOS_DEFS_H_INCLUDED
 #define ALGOS_DEFS_H_INCLUDED
@@ -100,7 +100,6 @@ struct stream {
 	enum streamtype type;
 	char *name;
 	size_t index;
-	struct entry_l *pnode; /* "previous" node */
 	struct entry_l *cnode; /* "current" node */
 	union cachewrap;
 	struct settings *settings;
diff --git a/src/main.c b/src/main.c
index ccdbfc2..9d66594 100644
--- a/src/main.c
+++ b/src/main.c
@@ -26,7 +26,7 @@ static int stub_split(struct stream * const in, struct stream * const a, struct
 
 static const struct stream stream_blank = {
 	.n = 0, .type = stream_invalid, .fd = -1, .settings = &settings,
-	.name = NULL, .index = 0, .pnode = NULL, .cnode = NULL, .cache = NULL,
+	.name = NULL, .index = 0, .cnode = NULL, .cache = NULL,
 	.get_next_element_direct = stub_getnext,
 	.get_next_element_cache = stub_getnext,
 	.place_next_element_direct = stub_put,