Implement File::GetExePath() for FreeBSD

1 files changed, 13 insertions, 0 deletions

diff --git a/Source/Core/Common/FileUtil.cpp b/Source/Core/Common/FileUtil.cpp
index 5582018b30..545bfaba44 100644
--- a/Source/Core/Common/FileUtil.cpp
+++ b/Source/Core/Common/FileUtil.cpp
@@ -60,6 +60,10 @@
 #include "jni/AndroidCommon/AndroidCommon.h"
 #endif
 
+#if defined(__FreeBSD__)
+#include <sys/sysctl.h>
+#endif
+
 namespace fs = std::filesystem;
 
 namespace File
@@ -738,6 +742,15 @@ std::string GetExePath()
   return PathToString(exe_path_absolute);
 #elif defined(__APPLE__)
   return GetBundleDirectory();
+#elif defined(__FreeBSD__)
+  int name[4]{CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+  size_t length = 0;
+  if (sysctl(name, 4, nullptr, &length, nullptr, 0) != 0 || length == 0)
+    return {};
+  std::string dolphin_exe_path(length, '\0');
+  if (sysctl(name, 4, dolphin_exe_path.data(), &length, nullptr, 0) != 0)
+    return {};
+  return dolphin_exe_path;
 #else
   char dolphin_exe_path[PATH_MAX];
   ssize_t len = ::readlink("/proc/self/exe", dolphin_exe_path, sizeof(dolphin_exe_path));