peek_at

int(* nrf_modem_lib_trace_backend::peek_at) (size_t offset, void *buf, size_t len)

Peek trace data at a byte offset without consuming it.

Copy up to len bytes starting at offset from the beginning of the currently available trace data into buf. The oldest available byte is at offset 0.

Note

Set to NULL if this operation is not supported by the trace backend.

Parameters

offset	Start offset from the oldest available byte.
buf	Output buffer.
len	Size of output buffer.

Returns

Number of bytes copied on success, negative errno on failure.