syllable.c: add syllable_chain_to_string()

syllable.c

@@ -30,3 +30,32 @@ struct syllable *syllable_append(struct syllable *tail, const char *data)
 
 	return ptr;
 }
+
+unsigned long syllable_chain_length(struct syllable *head)
+{
+	struct syllable *walk = head;
+	unsigned int length = 0;
+
+	while (walk) {
+		length += strlen(walk->data);
+		walk = walk->next;
+	}
+
+	return length;
+}
+
+char *syllable_chain_to_string(struct syllable *head)
+{
+	struct syllable *walk = head;
+	unsigned int length = syllable_chain_length(head);
+	char *buffer = malloc(length + 1);
+	char *ptr = buffer;
+
+	while (walk) {
+		strcpy(ptr, walk->data);
+		ptr += strlen(walk->data);
+		walk = walk->next;
+	}
+
+	return buffer;
+}

syllable.h

@@ -11,4 +11,7 @@ void syllable_drop(struct syllable *syllable);
 
 struct syllable *syllable_append(struct syllable *tail, const char *data);
 
+unsigned long syllable_chain_length(struct syllable *head);
+char *syllable_chain_to_string(struct syllable *head);
+
 #endif /* __SYLLABE_H */