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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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/** FileX Component */ |
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/** */ |
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/** File */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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#define FX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "fx_api.h" |
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#include "fx_file.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _fx_file_relative_seek PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* William E. Lamie, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function positions the internal file pointers to the specified */ |
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/* byte relative offset such that the next read or write operation is */ |
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/* performed there. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* file_ptr File control block pointer */ |
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/* byte_offset Byte offset of the seek */ |
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/* seek_from Direction for relative seek, */ |
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/* legal values are: */ |
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/* */ |
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/* FX_SEEK_BEGIN */ |
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/* FX_SEEK_END */ |
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/* FX_SEEK_FORWARD */ |
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/* FX_SEEK_BACK */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* return status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _fx_file_extended_relative_seek Seek to specified position */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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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 William E. Lamie Initial Version 6.0 */ |
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/* 09-30-2020 William E. Lamie Modified comment(s), and */ |
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/* Added conditional to */ |
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/* disable one line function, */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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#ifndef FX_DISABLE_ONE_LINE_FUNCTION |
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UINT _fx_file_relative_seek(FX_FILE *file_ptr, ULONG byte_offset, UINT seek_from) |
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{ |
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return(_fx_file_extended_relative_seek(file_ptr, (ULONG64)byte_offset, seek_from)); |
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} |
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#endif /* FX_DISABLE_ONE_LINE_FUNCTION */ |
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