[#BloombergLP-bdls-FilePermissions-isValidBaseBits]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/FilePermissions.adoc[FilePermissions]::isValidBaseBits
:relfileprefix: ../../../
:mrdocs:

Return `true` if the specified `permissions` bit mask consists only of the "base" nine rwx bits (owner/group/others read/write/execute, i.e., bits in `k_ALL`), and `false` otherwise. Note that this predicate is stricter than `isValid`: `k_SET_UID`, `k_SET_GID`, and `k_STICKY_BIT` are rejected.

== Synopsis

Declared in `<bdls_filepermissions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isValidBaseBits(int permissions);
----


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