mirror of
https://github.com/eclipse-threadx/filex.git
synced 2026-09-14 12:36:59 +08:00
Frédéric Desbiens
61b0b06c3e
* Updated version number constants * Updated copyright headers and removed revision history
91 lines
4.4 KiB
C
91 lines
4.4 KiB
C
/***************************************************************************
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* Copyright (c) 2024 Microsoft Corporation
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* Copyright (c) 2026-present Eclipse ThreadX contributors
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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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FX_CALLER_CHECKING_EXTERNS
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _fxe_file_read 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 checks for errors in the read file call. */
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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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/* buffer_ptr Buffer pointer */
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/* request_size Number of bytes requested */
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/* actual_size Pointer to variable for the */
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/* number of bytes read */
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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_read Actual file read service */
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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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/**************************************************************************/
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UINT _fxe_file_read(FX_FILE *file_ptr, VOID *buffer_ptr, ULONG request_size, ULONG *actual_size)
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{
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UINT status;
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/* Check for a null file or buffer pointer. */
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if ((file_ptr == FX_NULL) || (buffer_ptr == FX_NULL) || (actual_size == FX_NULL))
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{
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return(FX_PTR_ERROR);
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}
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/* Check for a valid caller. */
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FX_CALLER_CHECKING_CODE
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/* Call actual file read service. */
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status = _fx_file_read(file_ptr, buffer_ptr, request_size, actual_size);
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/* Return status to the caller. */
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return(status);
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}
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