From 656be88ba3b0db383101449d7d2f09348601d7d7 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Wed, 25 May 2022 22:03:59 -0700
Subject: handle visits memory entirely from match file

---
 comp.c     |  4 +---
 dartboat.c |  4 +---
 match.c    | 13 +++++++++----
 match.h    |  2 +-
 4 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/comp.c b/comp.c
index 4f40609..012eea1 100644
--- a/comp.c
+++ b/comp.c
@@ -78,9 +78,7 @@ struct segment next_dart(int rem, int darts_in_hand)
 
 void comp_visit(struct leg *l)
 {
-	if (l->n_visits == l->size_visits)
-		leg_grow_visits(l);
-	struct visit *v = l->visits + l->n_visits++;
+	struct visit *v = leg_visit(l);
 	v->darts = calloc(3, sizeof(*v->darts));
 	v->ccoords = calloc(3, sizeof(*v->ccoords));
 
diff --git a/dartboat.c b/dartboat.c
index 743c91b..fdaf6d1 100644
--- a/dartboat.c
+++ b/dartboat.c
@@ -33,9 +33,7 @@ void test_match(int start_points)
 
 void user_visit(struct leg *l, char *name)
 {
-	if (l->n_visits == l->size_visits)
-		leg_grow_visits(l);
-	struct visit *v = l->visits + l->n_visits++;
+	struct visit *v = leg_visit(l);
 
 	char status[100];
 	int len = sprintf(status, " %s has %d remaining", name, l->rem);
diff --git a/match.c b/match.c
index 977bfe1..edcd405 100644
--- a/match.c
+++ b/match.c
@@ -29,7 +29,7 @@ void leg_free(struct leg *l)
 	free(l);
 }
 
-void leg_grow_visits(struct leg *l)
+static void leg_grow_visits(struct leg *l)
 {
 	size_t bytes = l->size_visits * sizeof(*l->visits);
 	l->size_visits *= 2;
@@ -37,6 +37,13 @@ void leg_grow_visits(struct leg *l)
 	memset((char *)l->visits + bytes, 0, bytes);
 }
 
+struct visit *leg_visit(struct leg *l)
+{
+	if (l->n_visits == l->size_visits)
+		leg_grow_visits(l);
+	return l->visits + l->n_visits++;
+}
+
 void leg_undo_visit(struct leg *l)
 {
 	l->rem += l->visits[--l->n_visits].points;
@@ -81,9 +88,7 @@ struct visit *leg_pts_visit(struct leg *l, int pts)
 	if (l->undone_visits)
 		leg_clear_first_undone(l);
 
-	if (l->n_visits == l->size_visits)
-		leg_grow_visits(l);
-	struct visit *v = l->visits + l->n_visits++;
+	struct visit *v = leg_visit(l);
 	v->points = pts;
 	l->rem -= pts;
 	v->rem = l->rem;
diff --git a/match.h b/match.h
index 76a3db4..f86ba16 100644
--- a/match.h
+++ b/match.h
@@ -39,8 +39,8 @@ struct match {
 
 struct leg *leg_init(int pts);
 void leg_free(struct leg *l);
-void leg_grow_visits(struct leg *l);
 
+struct visit *leg_visit(struct leg *l);
 void leg_undo_visit(struct leg *l);
 struct visit *leg_redo_visit(struct leg *l);
 struct visit *leg_comp_visit(struct leg *l, bool redo_undone);
-- 
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