// Given a target of the form "absolute_path/filename", return
// realpath(absolute_path) + filename, where realpath(absolute_path) resolves
// all the symlinks in absolute_path.
static w_string get_normalized_target(const w_string& target) {
int err;
w_assert(
w_string_path_is_absolute(target),
"get_normalized_target: path %s is not absolute\n",
target.c_str());
auto dir_name = target.dirName();
auto dir_name_real = realPath(dir_name.c_str());
err = errno;
if (dir_name_real) {
auto file_name = target.baseName();
return w_string::pathCat({dir_name_real, file_name});
}
errno = err;
return nullptr;
}
