Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This version of Boost is under active development. You are currently in the develop branch. The current version is 1.91.0.

basic_file::resize (1 of 2 overloads)

basic_file::resize (1 of 2 overloads)

Alter the size of the file.

void resize(
    uint64_t n);

This function resizes the file to the specified size, in bytes. If the current file size exceeds n then any extra data is discarded. If the current size is less than n then the file is extended and filled with zeroes.

Parameters

n: The new size for the file.

Exceptions

boost::system::system_error: Thrown on failure.