Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
buflib: update first_free_handle in handle_alloc
Since we're scanning the handle table for the first free slot,
we know none of the scanned slots are free. Use that knowledge
to update first_free_handle and avoid rescanning filled slots
again when the next handle is allocated.
Change-Id: I457372f66c231168cfffa7e905d1e9fb80002f5f
+9
+9
firmware/buflib.c
+9
firmware/buflib.c
···
196
196
if (handle >= ctx->alloc_end)
197
197
ctx->last_handle--;
198
198
else
199
+
{
200
+
/* We know the table is full, so update first_free_handle */
201
+
ctx->first_free_handle = ctx->last_handle - 1;
199
202
return NULL;
203
+
}
200
204
}
205
+
206
+
/* We know there are no free handles between the old first_free_handle
207
+
* and the found handle, therefore we can update first_free_handle */
208
+
ctx->first_free_handle = handle - 1;
209
+
201
210
handle->val = -1;
202
211
return handle;
203
212
}