Use path_append instead of operator + to concat paths

This allows to cleanly prevent double // slashes when appending paths
While this should not be a problem, Windows seems to have problems
with such paths when paths are very long - and preventing this
is trivial enough.
This commit is contained in:
Silent 2019-10-06 12:32:08 +02:00 committed by Ivan
parent b591633cb9
commit 974bce19ed
1 changed files with 24 additions and 3 deletions

View File

@ -177,6 +177,27 @@ static fs::error to_error(int e)
#endif
static std::string path_append(std::string_view path, std::string_view more)
{
std::string result;
if (const size_t src_slash_pos = path.find_last_not_of('/'); src_slash_pos != path.npos)
{
path.remove_suffix(path.length() - src_slash_pos - 1);
result = path;
}
result.push_back('/');
if (const size_t dst_slash_pos = more.find_first_not_of('/'); dst_slash_pos != more.npos)
{
more.remove_prefix(dst_slash_pos);
result.append(more);
}
return result;
}
namespace fs
{
thread_local error g_tls_error = error::ok;
@ -1586,7 +1607,7 @@ bool fs::remove_all(const std::string& path, bool remove_root)
if (entry.is_directory == false)
{
if (!remove_file(path + '/' + entry.name))
if (!remove_file(path_append(path, entry.name)))
{
return false;
}
@ -1594,7 +1615,7 @@ bool fs::remove_all(const std::string& path, bool remove_root)
if (entry.is_directory == true)
{
if (!remove_all(path + '/' + entry.name))
if (!remove_all(path_append(path, entry.name)))
{
return false;
}
@ -1632,7 +1653,7 @@ u64 fs::get_dir_size(const std::string& path, u64 rounding_alignment)
if (entry.is_directory == true)
{
result += get_dir_size(path + '/' + entry.name, rounding_alignment);
result += get_dir_size(path_append(path, entry.name), rounding_alignment);
}
}