From bd6956d52ffc950102613b7425eb30f668206888 Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon@leonstyhre.com>
Date: Mon, 19 Aug 2024 17:22:30 +0200
Subject: [PATCH] (FreeBSD) Added fallback method to locate binary

---
 es-core/src/utils/FileSystemUtil.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/es-core/src/utils/FileSystemUtil.cpp b/es-core/src/utils/FileSystemUtil.cpp
index e6aecc205..ae9b10f6a 100644
--- a/es-core/src/utils/FileSystemUtil.cpp
+++ b/es-core/src/utils/FileSystemUtil.cpp
@@ -375,6 +375,14 @@ namespace Utils
             esBinary = exePath;
             exePath = getCanonicalPath(exePath);
 
+#if defined(__FreeBSD__)
+            // Fallback to getPathToBinary(argv[0]), needed as FreeBSD does not typically
+            // provide /proc/self/exe.
+            if (exePath.empty()) {
+                esBinary = getPathToBinary(path);
+                exePath = getCanonicalPath(esBinary);
+            }
+#endif
             // Fallback to argv[0] if everything else fails.
             if (exePath.empty()) {
                 esBinary = path;