[#subprocess-Buffer-add_cap]
= xref:subprocess.adoc[subprocess]::xref:subprocess/Buffer.adoc[Buffer]::add_cap
:relfileprefix: ../../
:mrdocs:

Resizes the underlying storage to the given capacity.

== Synopsis

Declared in `<util/subprocess.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
add_cap(size_t cap);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cap*
| New size of the underlying vector, in bytes.
|===


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