From ae630ed595330f102685bbbb96c01a8c24b8923a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Sun, 31 Mar 2019 00:11:05 +0100
Subject: Add cval field to LLIST.

---
 src/guile_interface.scm.c | 6 +++---
 src/linked_list.h         | 1 +
 src/linked_list.inc.h     | 3 +++
 src/main.c                | 2 +-
 src/vcal.c                | 4 ++--
 src/vcal.h                | 2 +-
 6 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/guile_interface.scm.c b/src/guile_interface.scm.c
index a9485b38..9356533d 100644
--- a/src/guile_interface.scm.c
+++ b/src/guile_interface.scm.c
@@ -89,14 +89,14 @@ SCM_DEFINE (vcomponent_set_attr_x, "%vcomponent-set-attribute!", 3, 0, 0,
 		 * Otherwise we know that it's NULL and safe to write a new
 		 * SCM value there.
 		 */
-		if (c->cur->value->key.scm != NULL) {
-			scm_gc_unprotect_object(c->cur->value->key.scm);
+		if (c->cval->key.scm != NULL) {
+			scm_gc_unprotect_object(c->cval->key.scm);
 		}
 	}
 
 	free(key);
 
-	strbuf* target = &c->cur->value->key;
+	strbuf* target = &c->cval->key;
 	target->scm = new_value;
 	scm_gc_protect_object(target->scm);
 
diff --git a/src/linked_list.h b/src/linked_list.h
index ec1e17e0..0d32b988 100644
--- a/src/linked_list.h
+++ b/src/linked_list.h
@@ -23,6 +23,7 @@ typedef struct {
 	LINK(TYPE)* head;
 	LINK(TYPE)* tail;
 	LINK(TYPE)* cur;
+	TYPE* cval;
 	int length;
 } LLIST(TYPE);
 
diff --git a/src/linked_list.inc.h b/src/linked_list.inc.h
index 81974a9c..3984e485 100644
--- a/src/linked_list.inc.h
+++ b/src/linked_list.inc.h
@@ -11,6 +11,7 @@ INIT_F ( LLIST(TYPE) ) {
 	head->after  = tail;
 	tail->before = head;
 	self->cur    = head;
+	self->cval   = head->value;
 	return 0;
 }
 
@@ -69,6 +70,7 @@ int PUSH(LLIST(TYPE)) ( LLIST(TYPE)* lst, TYPE* val) {
 
 	// TODO do I want to change that?
 	lst->cur = link;
+	lst->cval = link->value;
 
 	return 0;
 }
@@ -157,6 +159,7 @@ int RESET(LLIST(TYPE)) ( LLIST(TYPE)* llist ) {
 	}
 
 	llist->cur = llist->head;
+	llist->cval = llist->head->value;
 
 	return 0;
 }
diff --git a/src/main.c b/src/main.c
index f086f6f9..40dc705f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -84,7 +84,7 @@ int main (int argc, char** argv) {
 
 				printf("%s | %s\n",
 						filename,
-						get_property(ev, "SUMMARY")->cur->value->key.mem);
+						get_property(ev, "SUMMARY")->cval->key.mem);
 			}
 		}
 	} else if (strcmp(args.argv[0], "-g") == 0) {
diff --git a/src/vcal.c b/src/vcal.c
index 2a610187..297ed52e 100644
--- a/src/vcal.c
+++ b/src/vcal.c
@@ -164,8 +164,8 @@ char* vcomponent_get_val (vcomponent* comp, const char* key) {
 	content_line* cl = GET(TRIE(content_line))(&comp->clines, key_cpy);
 	free (key_cpy);
 
-	if (cl != NULL && cl->cur->value != NULL) {
-		return cl->cur->value->key.mem;
+	if (cl != NULL && cl->cval != NULL) {
+		return cl->cval->key.mem;
 	}
 
 	return NULL;
diff --git a/src/vcal.h b/src/vcal.h
index 3db5fcdc..eff1f06f 100644
--- a/src/vcal.h
+++ b/src/vcal.h
@@ -48,7 +48,7 @@
  */
 
 /* content_set */
-#define CLINE_CUR(c)        ((c)->cur->value)
+#define CLINE_CUR(c)        ((c)->cval)
 
 /* strbuf */
 #define CLINE_CUR_VAL(c)    (& CLINE_CUR(c)->key)
-- 
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