diff options
Diffstat (limited to 'src/VBox/Runtime/common/string/RTStrMemFind32.cpp')
-rw-r--r-- | src/VBox/Runtime/common/string/RTStrMemFind32.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrMemFind32.cpp b/src/VBox/Runtime/common/string/RTStrMemFind32.cpp new file mode 100644 index 00000000..969eff0c --- /dev/null +++ b/src/VBox/Runtime/common/string/RTStrMemFind32.cpp @@ -0,0 +1,50 @@ +/* $Id: RTStrMemFind32.cpp $ */ +/** @file + * IPRT - RTMemFindU32. + */ + +/* + * Copyright (C) 2019-2020 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" + +#include <iprt/errcore.h> + + +RTDECL(uint32_t *) RTStrMemFind32(const void *pvHaystack, uint32_t uNeedle, size_t cbHaystack) +{ + uint32_t const *puHaystack = (uint32_t const *)pvHaystack; + while (cbHaystack >= sizeof(uNeedle)) + { + if (*puHaystack == uNeedle) + return (uint32_t *)puHaystack; + cbHaystack -= sizeof(uNeedle); + puHaystack += 1; + } + return NULL; +} +RT_EXPORT_SYMBOL(RTStrMemFind32); + |