Open the file at the specified path according to the given policies.

Synopsis

Declared in <bdls_filesystemutil.h>

template<class STRING_TYPE>
static
FilesystemUtil::FileDescriptor
open(
    STRING_TYPE const& path,
    FileOpenPolicy openPolicy,
    FileIOPolicy ioPolicy,
    FileTruncatePolicy truncatePolicy = e_KEEP);

Description

Same as the overload taking const char *.

Return Value

a valid FileDescriptor on success, or k_INVALID_FD otherwise

Parameters

Name

Description

path

filesystem path of the file to open

openPolicy

whether to open an existing file or create a new one

ioPolicy

whether the file is opened for reading, writing, or both

truncatePolicy

whether to delete existing contents on open

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