day 4

1 files changed, 11 insertions, 0 deletions

diff --git a/input.c b/input.c
index 1c72194..5a3500a 100644
--- a/input.c
+++ b/input.c
@@ -72,3 +72,14 @@ void input_str_free(struct input_str* input) {
 	}
 	free(input->lines);
 }
+
+char* copy_line(char* line) {
+	int len = strlen(line);
+	char* copy = malloc(len * sizeof(char));
+	if(copy == NULL)
+		err(1, "malloc error");
+	memset(copy, '\0', len);
+	strncpy(copy, line, len);
+	return copy;
+}
+