cgit: use strchrnul instead of open coding

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 file changed, 1 insertion, 3 deletions

diff --git a/cgit.c b/cgit.c
index 42beace..c33e6fc 100644
--- a/cgit.c
+++ b/cgit.c
@@ -789,9 +789,7 @@ static char *build_snapshot_setting(int bitmap)
 static char *get_first_line(char *txt)
 {
 	char *t = xstrdup(txt);
-	char *p = strchr(t, '\n');
-	if (p)
-		*p = '\0';
+	*strchrnul(t, '\n') = '\0';
 	return t;
 }