From f84809b7adfeaafaa77101aa249f41c4180486ce Mon Sep 17 00:00:00 2001
From: Georgi Gerganov <ggerganov@gmail.com>
Date: Tue, 5 Mar 2024 17:23:18 +0200
Subject: [PATCH] llama : llama_chat_apply_template support null buf

---
 llama.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/llama.cpp b/llama.cpp
index 76afcbc13..f95328601 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -13544,7 +13544,9 @@ LLAMA_API int32_t llama_chat_apply_template(
     if (res < 0) {
         return res;
     }
-    strncpy(buf, formatted_chat.c_str(), length);
+    if (buf && length > 0) {
+        strncpy(buf, formatted_chat.c_str(), length);
+    }
     return res;
 }