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| author | Aidan MacDonald <amachronic@protonmail.com> | 2022-03-30 01:29:19 +0100 |
|---|---|---|
| committer | Aidan MacDonald <amachronic@protonmail.com> | 2022-09-19 15:09:51 -0400 |
| commit | fdde6bb5a7de9d1b013dd8da48d6a603b482f1f6 (patch) | |
| tree | d7fd35a59d28d53c801c1ba14dec033f1d55663a /apps/plugins | |
| parent | ef476ba298e52e96f981458784c1e7697a856ec7 (diff) | |
| download | rockbox-fdde6bb5a7de9d1b013dd8da48d6a603b482f1f6.tar.gz rockbox-fdde6bb5a7de9d1b013dd8da48d6a603b482f1f6.zip | |
buflib: optimize getting start of block from end of block
The block header has a variable length due to the embedded name.
The name length is stored at the back of the header after the
name, in order to allow finding the start of the header if only
the user data pointer is known (eg. from the handle table).
The name length is actually not interesting in itself; storing
the total length of the block header instead is marginally more
efficient, saving one addition in handle_to_block().
Instead the extra arithmetic must be done by buflib_get_name(),
which is a much less common operation than handle_to_block().
Change-Id: Ia339a1d2f556a11a49deae0871203e70548bd234
Diffstat (limited to 'apps/plugins')
0 files changed, 0 insertions, 0 deletions