[#BloombergLP-bdls-FilesystemUtil-getFileSize-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/FilesystemUtil.adoc[FilesystemUtil]::getFileSize
:relfileprefix: ../../../
:mrdocs:

Return the size, in bytes, of the file or directory with `descriptor`&period;

== Synopsis

Declared in `&lt;bdls&lowbar;filesystemutil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdls/FilesystemUtil/Offset.adoc[Offset]
getFileSize(xref:BloombergLP/bdls/FilesystemUtil/FileDescriptor.adoc[FileDescriptor] descriptor);
----

== Description

Return the size, in bytes, of the file or directory specified by the specified open `descriptor`, or a negative value if an error occurs&period; Note that the size of a symbolic link is the size of the file or directory to which it points&period;

== Return Value

the size in bytes, or a negative value if an error occurs

== Parameters

[cols="1,4"]
|===
| Name| Description
| *descriptor*
| file descriptor of the file or directory
|===


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