From 03d01dc18987d9f080a4ff43dea7ac95ffdfa208 Mon Sep 17 00:00:00 2001
From: Yuri Victorovich <yuri@FreeBSD.org>
Date: Fri, 31 May 2024 14:01:07 -0700
Subject: [PATCH] Fix crash in get_executable_filename on FreeBSD

The std::vector object needs to have the element allocated
in order to take its address.
---
 libs/core/prefix/src/find_prefix.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/core/prefix/src/find_prefix.cpp b/libs/core/prefix/src/find_prefix.cpp
index 6cca5fd6fd23..92374b9a2ebd 100644
--- a/libs/core/prefix/src/find_prefix.cpp
+++ b/libs/core/prefix/src/find_prefix.cpp
@@ -242,7 +242,7 @@ namespace hpx::util {
         {
             std::vector<char> buf(cb);
             sysctl(mib, 4, &buf[0], &cb, nullptr, 0);
-            std::copy(&buf[0], &buf[cb], std::back_inserter(r));
+            std::copy(buf.begin(), buf.end(), std::back_inserter(r));
         }
 
 #else