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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/common/string/RTStrCmp.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrCmp.cpp b/src/VBox/Runtime/common/string/RTStrCmp.cpp new file mode 100644 index 00000000..50988895 --- /dev/null +++ b/src/VBox/Runtime/common/string/RTStrCmp.cpp @@ -0,0 +1,60 @@ +/* $Id: RTStrCmp.cpp $ */ +/** @file + * IPRT - RTStrCmp. + */ + +/* + * 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 * +*********************************************************************************************************************************/ +#include <iprt/string.h> +#include "internal/iprt.h" + + +/** + * Performs a case sensitive string compare between two UTF-8 strings. + * + * Encoding errors are ignored by the current implementation. So, the only + * difference between this and the CRT strcmp function is the handling of + * NULL arguments. + * + * @returns < 0 if the first string less than the second string. + * @returns 0 if the first string identical to the second string. + * @returns > 0 if the first string greater than the second string. + * @param psz1 First UTF-8 string. Null is allowed. + * @param psz2 Second UTF-8 string. Null is allowed. + */ +RTDECL(int) RTStrCmp(const char *psz1, const char *psz2) +{ + if (psz1 == psz2) + return 0; + if (!psz1) + return -1; + if (!psz2) + return 1; + + return strcmp(psz1, psz2); +} +RT_EXPORT_SYMBOL(RTStrCmp); + |