PERFORCE change 114242 for review
Christian S.J. Peron
csjp at FreeBSD.org
Thu Feb 8 16:35:14 UTC 2007
http://perforce.freebsd.org/chv.cgi?CH=114242
Change 114242 by csjp at csjp_rnd01 on 2007/02/08 16:34:38
Clean up packet access options
Affected files ...
.. //depot/projects/zcopybpf/utils/bpfnull/bpfnull.c#12 edit
Differences ...
==== //depot/projects/zcopybpf/utils/bpfnull/bpfnull.c#12 (text+ko) ====
@@ -95,6 +95,8 @@
u_char *b,*bp, *ep, *p, by;
#define bhp ((struct bpf_hdr *)bp)
+ if (!wflag && !tflag && !Tflag)
+ return;
b = bp = bz->bz_bufa;
ep = bp + bz->bz_buflen;
while (bp < ep) {
@@ -114,13 +116,15 @@
bp += BPF_WORDALIGN(clen + hlen);
continue;
}
- pcap_dump((u_char *)dp, &phd, p);
- if (ferror((FILE *)dp)) {
- perror("dump.pcap");
- exit(1);
+ if (wflag) {
+ pcap_dump((u_char *)dp, &phd, p);
+ if (ferror((FILE *)dp)) {
+ perror("dump.pcap");
+ exit(1);
+ }
+ fflush((FILE *)dp);
+ bp += BPF_WORDALIGN(clen + hlen);
}
- fflush((FILE *)dp);
- bp += BPF_WORDALIGN(clen + hlen);
}
}
@@ -160,8 +164,7 @@
err(1, "read failed");
bz.bz_bufa = pbuf;
bz.bz_buflen = n;
- if (wflag)
- bpf_process_packets(&bz, "W");
+ bpf_process_packets(&bz, "W");
} else {
processed_data = 0;
bzha = (struct bpf_zbuf_header *)bufa;
@@ -179,16 +182,14 @@
bz.bz_bufa = bufa;
bz.bz_bufa += sizeof(struct bpf_zbuf_header);
bz.bz_buflen = bzha->bzh_kernel_len;
- if (wflag)
- bpf_process_packets(&bz, "A");
+ bpf_process_packets(&bz, "A");
bzha->bzh_user_gen++;
processed_data++;
} else if (bzhb->bzh_kernel_gen > bzhb->bzh_user_gen) {
bz.bz_bufa = bufb;
bz.bz_bufa += sizeof(struct bpf_zbuf_header);
bz.bz_buflen = bzhb->bzh_kernel_len;
- if (wflag)
- bpf_process_packets(&bz, "B");
+ bpf_process_packets(&bz, "B");
bzhb->bzh_user_gen++;
processed_data++;
}
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