VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/string/RTStrNCmp.cpp@ 81106

Last change on this file since 81106 was 76553, checked in by vboxsync, 6 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 2.1 KB
Line 
1/* $Id: RTStrNCmp.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2/** @file
3 * IPRT - RTStrNCmp.
4 */
5
6/*
7 * Copyright (C) 2006-2019 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/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include <iprt/string.h>
32#include "internal/iprt.h"
33
34
35RTDECL(int) RTStrNCmp(const char *psz1, const char *psz2, size_t cchMax)
36{
37 if (psz1 == psz2)
38 return 0;
39 if (!psz1)
40 return -1;
41 if (!psz2)
42 return 1;
43
44#ifdef RT_OS_SOLARIS
45 /* Solaris: tstUtf8 found to fail for some RTSTR_MAX on testboxsh1:
46 solaris.amd64 v5.10 (Generic_142901-12 (Assembled 30 March 2009)). */
47 while (cchMax-- > 0)
48 {
49 char ch1 = *psz1++;
50 char ch2 = *psz2++;
51 if (ch1 != ch2)
52 return ch1 > ch2 ? 1 : -1;
53 else if (ch1 == 0)
54 break;
55 }
56 return 0;
57#else
58 return strncmp(psz1, psz2, cchMax);
59#endif
60}
61RT_EXPORT_SYMBOL(RTStrNCmp);
62
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