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Function dmd.root.file.FileMapping.this
Open filename
and map it in memory. If Datum
is const
, opens for
read-only and maps the content in memory; no error is issued if the file
does not exist. This makes it easy to treat a non-existing file as empty.
this
(
const char* filename
);
If Datum
is mutable, opens for read/write (creates file if it does not
exist) and fails fatally on any error.
Due to quirks in mmap
, if the file is empty, handle
is valid but data
is null
. This state is valid and accounted for.
Parameters
Name | Description |
---|---|
filename | the name of the file to be mapped in memory |
Authors
Walter Bright, http://www.digitalmars.com
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.