From fccc6a2922ddfe9d8eae22b53f50ffb14a94b623 Mon Sep 17 00:00:00 2001
From: John Lindgren <john@jlindgren.net>
Date: Tue, 16 Apr 2024 20:45:16 -0400
Subject: [PATCH] common/buf: use string_null_or_empty()

---
 src/common/buf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/buf.c b/src/common/buf.c
index 849e0df7..78d48d15 100644
--- a/src/common/buf.c
+++ b/src/common/buf.c
@@ -6,6 +6,7 @@
 #include "common/buf.h"
 #include "common/macros.h"
 #include "common/mem.h"
+#include "common/string-helpers.h"
 
 void
 buf_expand_tilde(struct buf *s)
@@ -97,7 +98,7 @@ buf_expand(struct buf *s, int new_alloc)
 void
 buf_add(struct buf *s, const char *data)
 {
-	if (!data || data[0] == '\0') {
+	if (string_null_or_empty(data)) {
 		return;
 	}
 	int len = strlen(data);