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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** USBX Component */ |
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/** */ |
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/** Utility */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/* Include necessary system files. */ |
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#define UX_SOURCE_CODE |
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#include "ux_api.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _ux_utility_unicode_to_string PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Chaoqiong Xiao, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function converts a unicode string to a zero terminated */ |
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/* ascii string. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* source Unicode String */ |
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/* destination Ascii String */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* none */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* USBX Components */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ |
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/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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VOID _ux_utility_unicode_to_string(UCHAR *source, UCHAR *destination) |
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{ |
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ULONG string_length; |
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/* Obtain the length of the unicode string. This is the first byte*/ |
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string_length = (ULONG) *source++; |
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/* Parse the unicode string. First byte is always 0, second byte is the |
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ASCII character. */ |
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✓✓ |
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while(string_length--) |
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{ |
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/* First character is from the source. */ |
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*destination++ = *source++; |
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/* Second character of unicode word is 0. */ |
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source++; |
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} |
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/* We are done with the ascii string. Insert a zero at the end. */ |
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*destination = 0; |
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/* Finished. */ |
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return; |
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} |
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