73 	struct pcap_file_header hdr;  in sf_write_header()  local
75 	hdr.magic = TCPDUMP_MAGIC;  in sf_write_header()
76 	hdr.version_major = PCAP_VERSION_MAJOR;  in sf_write_header()
77 	hdr.version_minor = PCAP_VERSION_MINOR;  in sf_write_header()
79 	hdr.thiszone = thiszone;  in sf_write_header()
80 	hdr.snaplen = snaplen;  in sf_write_header()
81 	hdr.sigfigs = 0;  in sf_write_header()
82 	hdr.linktype = linktype;  in sf_write_header()
84 	if (fwrite((char *)&hdr, sizeof(hdr), 1, fp) != 1)  in sf_write_header()
129 	struct pcap_file_header hdr;  in pcap_fopen_offline()  local
143 	if (fread((char *)&hdr, sizeof(hdr), 1, fp) != 1) {  in pcap_fopen_offline()
148 	if (hdr.magic != TCPDUMP_MAGIC) {  in pcap_fopen_offline()
149 		if (SWAPLONG(hdr.magic) != TCPDUMP_MAGIC) {  in pcap_fopen_offline()
155 		swap_hdr(&hdr);  in pcap_fopen_offline()
157 	if (hdr.version_major < PCAP_VERSION_MAJOR) {  in pcap_fopen_offline()
161 	p->tzoff = hdr.thiszone;  in pcap_fopen_offline()
162 	p->snapshot = hdr.snaplen;  in pcap_fopen_offline()
181 	switch (hdr.linktype) {  in pcap_fopen_offline()
219 		p->linktype = hdr.linktype;  in pcap_fopen_offline()
223 	p->bufsize = hdr.snaplen;  in pcap_fopen_offline()
251 	p->sf.version_major = hdr.version_major;  in pcap_fopen_offline()
252 	p->sf.version_minor = hdr.version_minor;  in pcap_fopen_offline()
270 sf_next_packet(pcap_t *p, struct pcap_pkthdr *hdr, u_char *buf, int buflen)  in sf_next_packet()  argument
275 	if (fread((char *)hdr, sizeof(struct pcap_pkthdr), 1, fp) != 1) {  in sf_next_packet()
282 		hdr->caplen = SWAPLONG(hdr->caplen);  in sf_next_packet()
283 		hdr->len = SWAPLONG(hdr->len);  in sf_next_packet()
284 		hdr->ts.tv_sec = SWAPLONG(hdr->ts.tv_sec);  in sf_next_packet()
285 		hdr->ts.tv_usec = SWAPLONG(hdr->ts.tv_usec);  in sf_next_packet()
294 	    (p->sf.version_minor == 3 && hdr->caplen > hdr->len)) {  in sf_next_packet()
295 		int t = hdr->caplen;  in sf_next_packet()
296 		hdr->caplen = hdr->len;  in sf_next_packet()
297 		hdr->len = t;  in sf_next_packet()
300 	if (hdr->caplen > buflen) {  in sf_next_packet()
310 		if (hdr->caplen > 65535) {  in sf_next_packet()
316 		if (tsize < hdr->caplen) {  in sf_next_packet()
317 			tsize = ((hdr->caplen + 1023) / 1024) * 1024;  in sf_next_packet()
327 		if (fread((char *)tp, hdr->caplen, 1, fp) != 1) {  in sf_next_packet()
339 		hdr->caplen = buflen;  in sf_next_packet()
345 		if (fread((char *)buf, hdr->caplen, 1, fp) != 1) {  in sf_next_packet()