[#BloombergLP-bdlbb-BlobUtil-padToAlignment]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/BlobUtil.adoc[BlobUtil]::padToAlignment
:relfileprefix: ../../../
:mrdocs:

Append padding bytes to the specified `dest` so that its resulting length is an integer multiple of the specified `alignment`. Optionally specify `fillChar` with which the padding is to be filled. If `fillChar` is not specified, a 0 byte will be used. The behavior is undefined unless `alignment` is a power of 2, and less than or equal to 64.

== Synopsis

Declared in `<bdlbb_blobutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
padToAlignment(
    xref:BloombergLP/bdlbb/Blob.adoc[Blob]* dest,
    int alignment,
    char fillChar = '\0');
----


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