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
90 lines
4.7 KiB
C
90 lines
4.7 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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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _fx_file_best_effort_allocate 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 attempts to allocate the number of consecutive */
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/* clusters required to satisfy the user's request. If there are not */
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/* enough clusters, the largest set of clusters are allocated and */
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/* linked to the file. If there are no free clusters, an error */
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/* code is returned to the caller. */
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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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/* size Number of bytes to allocate */
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/* actual_size_allocated Number of bytes allocated */
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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_best_effort_allocate */
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/* Allocate the largest set of */
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/* clusters */
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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 _fx_file_best_effort_allocate(FX_FILE *file_ptr, ULONG size, ULONG *actual_size_allocated)
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{
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UINT status;
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ULONG64 temp_actual_size_allocated;
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/* Call actual best effort file allocate service. */
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status = _fx_file_extended_best_effort_allocate(file_ptr, (ULONG64)size, &temp_actual_size_allocated);
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/* Check status. */
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if (status == FX_SUCCESS)
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{
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*actual_size_allocated = (ULONG)temp_actual_size_allocated;
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}
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/* Return status to the caller. */
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return(status);
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}
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