Files
filex/common/src/fx_file_truncate.c
T

83 lines
4.8 KiB
C

/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** FileX Component */
/** */
/** File */
/** */
/**************************************************************************/
/**************************************************************************/
#define FX_SOURCE_CODE
/* Include necessary system files. */
#include "fx_api.h"
#include "fx_file.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _fx_file_truncate PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sets the file to the specified size, if smaller than */
/* the current file size. If the new file size is less than the */
/* current file read/write position, the internal file pointers will */
/* also be modified. */
/* */
/* INPUT */
/* */
/* file_ptr File control block pointer */
/* size New size of the file in bytes */
/* */
/* OUTPUT */
/* */
/* return status */
/* */
/* CALLS */
/* */
/* _fx_file_extended_truncate Truncate the file size */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 William E. Lamie Modified comment(s), and */
/* Added conditional to */
/* disable one line function, */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
#ifndef FX_DISABLE_ONE_LINE_FUNCTION
UINT _fx_file_truncate(FX_FILE *file_ptr, ULONG size)
{
return(_fx_file_extended_truncate(file_ptr, (ULONG64)size));
}
#endif /* FX_DISABLE_ONE_LINE_FUNCTION */