diff options
Diffstat (limited to 'pcap.c')
| -rw-r--r-- | pcap.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -622,7 +622,9 @@ pcap_next_ex(pcap_t *p, struct pcap_pkthdr **pkt_header, * Return codes for pcap_offline_read() are: * - 0: EOF * - -1: error - * - >1: OK + * - >0: OK - result is number of packets read, so + * it will be 1 in this case, as we've passed + * a maximum packet count of 1 * The first one ('0') conflicts with the return code of * 0 from pcap_read() meaning "no packets arrived before * the timeout expired", so we map it to -2 so you can @@ -641,7 +643,9 @@ pcap_next_ex(pcap_t *p, struct pcap_pkthdr **pkt_header, * - 0: timeout * - -1: error * - -2: loop was broken out of with pcap_breakloop() - * - >1: OK + * - >0: OK, result is number of packets captured, so + * it will be 1 in this case, as we've passed + * a maximum packet count of 1 * The first one ('0') conflicts with the return code of 0 from * pcap_offline_read() meaning "end of file". */ |