len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-10-13 18:17:39 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Reapply "buffering: remove bufgettail/bufcuttail"

Browse source 
This reverts commit 2bd88936f7. Strip tags functionlity will be moved to codec.

Change-Id: Iff28ff7a29da09632ceed30a7959cc1ee8bf3cc8
This commit is contained in:
Roman Artiukhin 2025-05-23 12:10:10 +03:00 • committed by Solomon Peachy
parent e7110c0beb
commit 78903e9d38
5 changed files with 2 additions and 107 deletions
Download patch file Download diff file Expand all files Collapse all files

56
apps/buffering.c
View file

@ -1440,62 +1440,6 @@ ssize_t bufgetdata(int handle_id, size_t size, void **data)
return size;
}
ssize_t bufgettail(int handle_id, size_t size, void **data)
{
if (thread_self() != buffering_thread_id)
return ERR_WRONG_THREAD; /* only from buffering thread */
/* We don't support tail requests of > guardbuf_size, for simplicity */
if (size > GUARD_BUFSIZE)
return ERR_INVALID_VALUE;
const struct memory_handle *h = find_handle(handle_id);
if (!h)
return ERR_HANDLE_NOT_FOUND;
if (h->end >= h->filesize) {
size_t tidx = ringbuf_sub_empty(h->widx, size);
if (tidx + size > buffer_len) {
size_t copy_n = tidx + size - buffer_len;
memcpy(guard_buffer, ringbuf_ptr(0), copy_n);
}
*data = ringbuf_ptr(tidx);
}
else {
size = ERR_HANDLE_NOT_DONE;
}
return size;
}
ssize_t bufcuttail(int handle_id, size_t size)
{
if (thread_self() != buffering_thread_id)
return ERR_WRONG_THREAD; /* only from buffering thread */
struct memory_handle *h = find_handle(handle_id);
if (!h)
return ERR_HANDLE_NOT_FOUND;
if (h->end >= h->filesize) {
/* Cannot trim to before read position */
size_t available = h->end - MAX(h->start, h->pos);
if (available < size)
size = available;
h->widx = ringbuf_sub_empty(h->widx, size);
h->filesize -= size;
h->end -= size;
} else {
size = ERR_HANDLE_NOT_DONE;
}
return size;
}
/*
SECONDARY EXPORTED FUNCTIONS
============================