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/**************************************************************************/ |
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/* */ |
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/* Copyright (c) Microsoft Corporation. All rights reserved. */ |
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/* */ |
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/* This software is licensed under the Microsoft Software License */ |
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */ |
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ |
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/* and in the root directory of this software. */ |
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/* */ |
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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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/** Directory */ |
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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_system.h" |
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#include "fx_file.h" |
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#include "fx_utility.h" |
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#include "fx_directory.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _fx_directory_local_path_get_copy 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 copies the local default directory for this thread */ |
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/* into the specified buffer. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* media_ptr Media control block pointer */ |
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/* return_path_name_buffer Destination buffer for name */ |
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/* return_path_name_buffer_size Size of buffer pointed to by */ |
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/* return_path_name_buffer */ |
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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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/* None */ |
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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), verified */ |
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/* memcpy usage, */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _fx_directory_local_path_get_copy(FX_MEDIA *media_ptr, CHAR *return_path_name_buffer, UINT return_path_name_buffer_size) |
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{ |
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UINT status; |
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CHAR *return_path_name; |
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UINT path_name_length_with_null_terminator; |
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/* Get the pointer to the path. */ |
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status = _fx_directory_local_path_get(media_ptr, &return_path_name); |
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✓✓ |
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if (status == FX_SUCCESS) |
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{ |
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/* Was a path set? */ |
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✓✓ |
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if (return_path_name != FX_NULL) |
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{ |
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/* Get the length of the path. */ |
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path_name_length_with_null_terminator = _fx_utility_string_length_get(return_path_name, FX_MAXIMUM_PATH) + 1; |
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/* Can it fit in the user's buffer? */ |
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✓✓ |
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if (path_name_length_with_null_terminator <= return_path_name_buffer_size) |
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{ |
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/* Copy the path name into the user's buffer. */ |
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_fx_utility_memory_copy((UCHAR *) return_path_name, (UCHAR *) return_path_name_buffer, path_name_length_with_null_terminator); /* Use case of memcpy is verified. */ |
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} |
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else |
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{ |
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/* Buffer is too small. Return error. */ |
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return(FX_BUFFER_ERROR); |
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} |
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} |
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else |
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{ |
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/* Set zero-length string. */ |
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return_path_name_buffer[0] = '\0'; |
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} |
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} |
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/* Return status. */ |
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return(status); |
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} |
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