| 1 | /* $Id: rtProcInitExePath-linux.cpp 28929 2010-04-30 11:26:46Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - rtProcInitName, Linux.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2008 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 | /*******************************************************************************
|
|---|
| 28 | * Header Files *
|
|---|
| 29 | *******************************************************************************/
|
|---|
| 30 | #define LOG_GROUP RTLOGGROUP_PROCESS
|
|---|
| 31 | #include <unistd.h>
|
|---|
| 32 | #include <errno.h>
|
|---|
| 33 |
|
|---|
| 34 | #include <iprt/string.h>
|
|---|
| 35 | #include <iprt/assert.h>
|
|---|
| 36 | #include <iprt/err.h>
|
|---|
| 37 | #include <iprt/path.h>
|
|---|
| 38 | #include "internal/process.h"
|
|---|
| 39 | #include "internal/path.h"
|
|---|
| 40 |
|
|---|
| 41 |
|
|---|
| 42 | DECLHIDDEN(int) rtProcInitExePath(char *pszPath, size_t cchPath)
|
|---|
| 43 | {
|
|---|
| 44 | /*
|
|---|
| 45 | * Read the /proc/self/exe link, convert to native and return it.
|
|---|
| 46 | */
|
|---|
| 47 | int cchLink = readlink("/proc/self/exe", pszPath, cchPath - 1);
|
|---|
| 48 | if (cchLink > 0 && (size_t)cchLink <= cchPath - 1)
|
|---|
| 49 | {
|
|---|
| 50 | pszPath[cchLink] = '\0';
|
|---|
| 51 |
|
|---|
| 52 | char const *pszTmp;
|
|---|
| 53 | int rc = rtPathFromNative(&pszTmp, pszPath, NULL);
|
|---|
| 54 | AssertMsgRCReturn(rc, ("rc=%Rrc pszLink=\"%s\"\nhex: %.*Rhxs\n", rc, pszPath, cchLink, pszPath), rc);
|
|---|
| 55 | if (pszTmp != pszPath)
|
|---|
| 56 | {
|
|---|
| 57 | rc = RTStrCopy(pszPath, cchPath, pszTmp);
|
|---|
| 58 | rtPathFreeIprt(pszTmp, pszPath);
|
|---|
| 59 | }
|
|---|
| 60 | return rc;
|
|---|
| 61 | }
|
|---|
| 62 |
|
|---|
| 63 | int err = errno;
|
|---|
| 64 | int rc = RTErrConvertFromErrno(err);
|
|---|
| 65 | AssertMsgFailed(("rc=%Rrc err=%d cchLink=%d\n", rc, err, cchLink));
|
|---|
| 66 | return rc;
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
