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Diffstat (limited to 'src/VBox/Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp')
-rw-r--r--src/VBox/Runtime/r3/netbsd/rtProcInitExePath-netbsd.cpp100
1 files changed, 100 insertions, 0 deletions
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
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+++ 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;
+}