From f8fe689a81f906d1b91bb3220acde2a4ecb14c5b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 6 May 2024 05:01:46 +0200
Subject: Adding upstream version 6.0.4-dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 src/VBox/Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp

(limited to 'src/VBox/Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp')

diff --git a/src/VBox/Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp b/src/VBox/Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp
new file mode 100644
index 00000000..34d6c2cc
--- /dev/null
+++ b/src/VBox/Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp
@@ -0,0 +1,100 @@
+/* $Id: rtProcInitExePath-netbsd.cpp $ */
+/** @file
+ * IPRT - rtProcInitName, NetBSD.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_PROCESS
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <dlfcn.h>
+#include <link.h>
+
+#include <iprt/string.h>
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include <iprt/path.h>
+#include "internal/process.h"
+#include "internal/path.h"
+
+
+DECLHIDDEN(int) rtProcInitExePath(char *pszPath, size_t cchPath)
+{
+    /*
+     * Read the /proc/curproc/file link, convert to native and return it.
+     */
+    int cchLink = readlink("/proc/curproc/exe", pszPath, cchPath - 1);
+    if (cchLink > 0 && (size_t)cchLink <= cchPath - 1)
+    {
+        pszPath[cchLink] = '\0';
+
+        char const *pszTmp;
+        int rc = rtPathFromNative(&pszTmp, pszPath, NULL);
+        AssertMsgRCReturn(rc, ("rc=%Rrc pszLink=\"%s\"\nhex: %.*Rhxs\n", rc, pszPath, cchLink, pszPath), rc);
+        if (pszTmp != pszPath)
+        {
+            rc = RTStrCopy(pszPath, cchPath, pszTmp);
+            rtPathFreeIprt(pszTmp, pszPath);
+        }
+        return rc;
+    }
+
+    int err = errno;
+
+    /*
+     * Fall back on the dynamic linker since /proc is optional.
+     */
+    void *hExe = dlopen(NULL, 0);
+    if (hExe)
+    {
+        struct link_map const *pLinkMap = 0;
+        if (dlinfo(hExe, RTLD_DI_LINKMAP, &pLinkMap) == 0)
+        {
+            const char *pszImageName = pLinkMap->l_name;
+            if (*pszImageName == '/') /* this may not always be absolute, despite the docs. :-( */
+            {
+                char const *pszTmp;
+                int rc = rtPathFromNative(&pszTmp, pszImageName, NULL);
+                AssertMsgRCReturn(rc, ("rc=%Rrc pszImageName=\"%s\"\n", rc, pszImageName), rc);
+                if (pszTmp != pszPath)
+                {
+                    rc = RTStrCopy(pszPath, cchPath, pszTmp);
+                    rtPathFreeIprt(pszTmp, pszPath);
+                }
+                return rc;
+            }
+            /** @todo Try search the PATH for the file name or append the current
+             *        directory, which ever makes sense... */
+        }
+    }
+
+    int rc = RTErrConvertFromErrno(err);
+    AssertMsgFailed(("rc=%Rrc err=%d cchLink=%d hExe=%p\n", rc, err, cchLink, hExe));
+    return rc;
+}
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