[#BloombergLP-bdlb-String-toFixedLength]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/String.adoc[String]::toFixedLength
:relfileprefix: ../../../
:mrdocs:

Copy into the specified `dstString` at most the specified leading `dstLength` characters from the specified `srcString` having the specified `srcLength`. If `srcLength < dstLength`, after `srcString` is copied to `dstString` repeatedly append to `dstString` the optionally specified `padChar` until the total number of characters written to `dstString` is `dstLength`. If `padChar` is not specified the space (` `) character is appended. The behavior is undefined unless `0 <= dstLength` and `0 <= srcLength`.

== Synopsis

Declared in `<bdlb_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
toFixedLength(
    char* dstString,
    int dstLength,
    char const* srcString,
    int srcLength,
    char padChar = ' ');
----


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