BloombergLP::bdls::FilesystemUtil::open

Synopses

Declared in <bdls_filesystemutil.h>

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

static
FileDescriptor
open(
    char const* path,
    FileOpenPolicy openPolicy,
    FileIOPolicy ioPolicy,
    FileTruncatePolicy truncatePolicy = e_KEEP);

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

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

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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