From 1c858ae8351b446e99eb99c95c6b440d440f13c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Revol?= <revol@free.fr>
Date: Sat, 15 Feb 2025 04:26:10 +0100
Subject: [PATCH] InitSystem (Haiku): add support

---
 CMakeLists.txt                                |  2 +-
 src/detection/initsystem/initsystem_haiku.cpp | 52 +++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 src/detection/initsystem/initsystem_haiku.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 875f35a2..64a5bed2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1148,7 +1148,7 @@ elseif(Haiku)
         src/detection/gtk_qt/gtk.c
         src/detection/host/host_windows.c
         src/detection/icons/icons_nosupport.c
-        src/detection/initsystem/initsystem_linux.c
+        src/detection/initsystem/initsystem_haiku.cpp
         src/detection/keyboard/keyboard_nosupport.c
         src/detection/libc/libc_nosupport.c
         src/detection/lm/lm_nosupport.c
diff --git a/src/detection/initsystem/initsystem_haiku.cpp b/src/detection/initsystem/initsystem_haiku.cpp
new file mode 100644
index 00000000..7714133a
--- /dev/null
+++ b/src/detection/initsystem/initsystem_haiku.cpp
@@ -0,0 +1,52 @@
+extern "C" {
+#include "initsystem.h"
+#include "common/processing.h"
+#include "util/binary.h"
+#include "util/stringUtils.h"
+};
+
+#include <AppFileInfo.h>
+#include <File.h>
+#include <libgen.h>
+#include <OS.h>
+#include <Path.h>
+#include <unistd.h>
+
+const char* ffDetectInitSystem(FFInitSystemResult* result)
+{
+    team_info teamInfo;
+    int32 cookie = 0;
+
+    // Since it runs first, registrar does not know about it,
+    // so we can't query be_roster for it.
+    BPath path("/boot/system/servers/launch_daemon");
+    if (path.InitCheck() != B_OK)
+        return NULL;
+
+    ffStrbufSetS(&result->exe, path.Path());
+    ffStrbufSetStatic(&result->name, "launch_daemon");
+
+    while (get_next_team_info(&cookie, &teamInfo) == B_OK)
+    {
+        if (strcmp(teamInfo.args, path.Path()) == 0)
+        {
+            result->pid = (int)teamInfo.team;
+            break;
+        }
+    }
+
+    BFile f(path.Path(), B_READ_ONLY);
+    if (f.InitCheck() != B_OK)
+        return NULL;
+    BAppFileInfo fileInfo(&f);
+    if (f.InitCheck() != B_OK)
+        return NULL;
+
+    version_info version;
+    if (fileInfo.GetVersionInfo(&version, B_SYSTEM_VERSION_KIND) != B_OK)
+        return NULL;
+
+    ffStrbufSetF(&result->version, "%d.%d.%d", (int)version.major, (int)version.middle, (int)version.minor);
+
+    return NULL;
+}