VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/solaris/rtProcInitExePath-solaris.cpp@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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1/* $Id: rtProcInitExePath-solaris.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - rtProcInitName, Solaris.
4 */
5
6/*
7 * Copyright (C) 2006-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37
38/*********************************************************************************************************************************
39* Header Files *
40*********************************************************************************************************************************/
41#define LOG_GROUP RTLOGGROUP_PROCESS
42#include <unistd.h>
43#include <errno.h>
44
45#include <iprt/string.h>
46#include <iprt/assert.h>
47#include <iprt/errcore.h>
48#include <iprt/path.h>
49#include "internal/process.h"
50#include "internal/path.h"
51
52
53DECLHIDDEN(int) rtProcInitExePath(char *pszPath, size_t cchPath)
54{
55 /*
56 * Read the /proc/<pid>/path/a.out link, convert to native and return it.
57 */
58 char szProcFile[80];
59 RTStrPrintf(szProcFile, sizeof(szProcFile), "/proc/%ld/path/a.out", (long)getpid());
60 int cchLink = readlink(szProcFile, pszPath, cchPath - 1);
61 if (cchLink > 0 && (size_t)cchLink <= cchPath - 1)
62 {
63 pszPath[cchLink] = '\0';
64
65 char const *pszTmp;
66 int rc = rtPathFromNative(&pszTmp, pszPath, NULL);
67 AssertMsgRCReturn(rc, ("rc=%Rrc pszLink=\"%s\"\nhex: %.*Rhxs\n", rc, pszPath, cchLink, pszPath), rc);
68 if (pszTmp != pszPath)
69 {
70 rc = RTStrCopy(pszPath, cchPath, pszTmp);
71 rtPathFreeIprt(pszTmp, pszPath);
72 }
73 return rc;
74 }
75
76 int err = errno;
77 int rc = RTErrConvertFromErrno(err);
78 AssertMsgFailed(("rc=%Rrc err=%d cchLink=%d\n", rc, err, cchLink));
79 return rc;
80}
81
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