pcap_snapshot(3)

pcap_snapshot3

Get the snapshot length

Usage

#include <pcap/pcap.h>

int pcap_snapshot(pcap_t *p);

Overview

pcap_snapshot() returns the snapshot length specified when pcap_set_snaplen(3) or pcap_open_live(3) was called, for a live capture, or the snapshot length from the capture file, for a ``savefile''.

It must not be called on a pcap descriptor created by pcap_create(3) that has not yet been activated by pcap_activate(3).

Return value

pcap_snapshot() returns the snapshot length on success and PCAP_ERROR_NOT_ACTIVATED if called on a capture handle that has been created but not activated.

Releases

39 releases since FreeBSD 8.0-RELEASE; the text changed 7 times.

  1. 8.0–8.4
  2. 9.0–10.4
  3. 11.0
  4. 11.1–11.3
  5. 11.4
  6. 12.0–12.1
  7. 12.2–13.4
  8. 13.5–16.0

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's man source.