From 45446c1c1d4a603702a75a4e3372def983674c0d Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui@live.cn>
Date: Sat, 18 May 2024 16:41:30 +0800
Subject: [PATCH] Bootmgr (FreeBSD): silence compiler warnings

---
 src/detection/bootmgr/bootmgr_bsd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/detection/bootmgr/bootmgr_bsd.c b/src/detection/bootmgr/bootmgr_bsd.c
index 77d4e6a43..86fe86fac 100644
--- a/src/detection/bootmgr/bootmgr_bsd.c
+++ b/src/detection/bootmgr/bootmgr_bsd.c
@@ -23,8 +23,8 @@ const char* ffDetectBootmgr(FFBootmgrResult* result)
     if (ioctl(efifd, EFIIOC_VAR_GET, &ioc) < 0 || ioc.datasize != 2)
         return "ioctl(EFIIOC_VAR_GET, BootCurrent) failed";
 
-    char hex[5];
-    snprintf(hex, sizeof(hex), "%04X", *(uint16_t*)buffer);
+    unsigned char hex[5];
+    snprintf((char*) hex, sizeof(hex), "%04X", *(uint16_t*)buffer);
     ioc.datasize = sizeof(buffer);
     ioc.name = (efi_char[]){ 'B', 'o', 'o', 't', hex[0], hex[1], hex[2], hex[3], '\0' };
     ioc.namesize = sizeof("Boot####") * 2;