diff options
Diffstat (limited to 'pcap.c')
| -rw-r--r-- | pcap.c | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -41,7 +41,7 @@ static int pcap_fd = -1; /* See pcap.h from libpcap, or pcap-savefile(5) */ -static struct { +static const struct { uint32_t magic; #define PCAP_MAGIC 0xa1b2c3d4 @@ -74,7 +74,7 @@ struct pcap_pkthdr { * @pkt: Pointer to data buffer, including L2 headers * @len: L2 packet length */ -void pcap(char *pkt, size_t len) +void pcap(const char *pkt, size_t len) { struct pcap_pkthdr h; struct timeval tv; @@ -95,7 +95,7 @@ void pcap(char *pkt, size_t len) * pcapm() - Capture multiple frames from message header to pcap file * @mh: Pointer to sendmsg() message header buffer */ -void pcapm(struct msghdr *mh) +void pcapm(const struct msghdr *mh) { struct pcap_pkthdr h; struct iovec *iov; @@ -130,7 +130,7 @@ fail: * pcapm() - Capture multiple frames from multiple message headers to pcap file * @mmh: Pointer to first sendmmsg() header */ -void pcapmm(struct mmsghdr *mmh, unsigned int vlen) +void pcapmm(const struct mmsghdr *mmh, unsigned int vlen) { struct pcap_pkthdr h; struct iovec *iov; @@ -145,7 +145,7 @@ void pcapmm(struct mmsghdr *mmh, unsigned int vlen) h.tv_usec = tv.tv_usec; for (i = 0; i < vlen; i++) { - struct msghdr *mh = &mmh[i].msg_hdr; + const struct msghdr *mh = &mmh[i].msg_hdr; for (j = 0; j < mh->msg_iovlen; j++) { iov = &mh->msg_iov[j]; |