tree 78c9a9d36bc55a1d1177e31ce8a4b5777a18ec48
parent 440b7ed4a4bb8da7030244df8088b0b29a0211e6
author Tom Tromey <tom@tromey.com> 1745095801 -0600
committer Tom Tromey <tom@tromey.com> 1746724408 -0600

Change substitute_path_component to use std::string

This changes substitute_path_component to use std::string and
std::string_view, simplifying it greatly and removing some manual
memory management.

Approved-By: Simon Marchi <simon.marchi@efficios.com>