Willy Tarreau 63242a59c4 MINOR: buf: add b_getblk_ofs() that works relative to area and not head
For some concurrently accessed buffers we can't rely on head/data etc,
but sometimes the access patterns guarantees that the buffer contents
are there. Let's implement a function to read contents from a fixed
offset, which never checks head nor data, only the area and its size.
It's the caller's job to get this offset.
2024-03-25 17:34:19 +00:00
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