Merge pull request #743 from taghos/master

[tcpdump] / tcpdump.c

diff --git a/tcpdump.c b/tcpdump.c
index 7e2bc36d1f21805e12ac0ecab5f10abcf81e019c..52af74af5fbdcb581c0d555cd53e93a99383e55d 100644 (file)
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -683,6 +683,8 @@ show_remote_devices_and_exit(void)
 #define OPTION_IMMEDIATE_MODE          130
 #define OPTION_PRINT                   131
 #define OPTION_LIST_REMOTE_INTERFACES  132
+#define OPTION_TSTAMP_MICRO            133
+#define OPTION_TSTAMP_NANO             134
 
 static const struct option longopts[] = {
 #if defined(HAVE_PCAP_CREATE) || defined(_WIN32)
@@ -702,6 +704,8 @@ static const struct option longopts[] = {
        { "list-time-stamp-types", no_argument, NULL, 'J' },
 #endif
 #ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
+       { "micro", no_argument, NULL, OPTION_TSTAMP_MICRO},
+       { "nano", no_argument, NULL, OPTION_TSTAMP_NANO},
        { "time-stamp-precision", required_argument, NULL, OPTION_TSTAMP_PRECISION},
 #endif
        { "dont-verify-checksums", no_argument, NULL, 'K' },
@@ -742,12 +746,6 @@ static const struct option longopts[] = {
 #define IMMEDIATE_MODE_USAGE ""
 #endif
 
-#ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
-#define TIME_STAMP_PRECISION_USAGE " [ --time-stamp-precision precision ]"
-#else
-#define TIME_STAMP_PRECISION_USAGE
-#endif
-
 #ifndef _WIN32
 /* Drop root privileges and chroot if necessary */
 static void
@@ -1873,6 +1871,16 @@ main(int argc, char **argv)
                        print = 1;
                        break;
 
+#ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
+               case OPTION_TSTAMP_MICRO:
+                       ndo->ndo_tstamp_precision = PCAP_TSTAMP_PRECISION_MICRO;
+                       break;
+
+               case OPTION_TSTAMP_NANO:
+                       ndo->ndo_tstamp_precision = PCAP_TSTAMP_PRECISION_NANO;
+                       break;
+#endif
+
                default:
                        print_usage();
                        exit_tcpdump(S_ERR_HOST_PROGRAM);
@@ -3087,11 +3095,13 @@ print_usage(void)
        (void)fprintf(stderr,
 "\t\t[ -M secret ] [ --number ] [ --print ]" Q_FLAG_USAGE "\n");
        (void)fprintf(stderr,
-"\t\t[ -r file ] [ -s snaplen ]" TIME_STAMP_PRECISION_USAGE "\n");
+"\t\t[ -r file ] [ -s snaplen ] [ -T type ] [ --version ]\n");
        (void)fprintf(stderr,
-"\t\t[ -T type ] [ --version ] [ -V file ] [ -w file ]\n");
+"\t\t[ -V file ] [ -w file ] [ -W filecount ] [ -y datalinktype ]\n");
+#ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
        (void)fprintf(stderr,
-"\t\t[ -W filecount ] [ -y datalinktype ]\n");
+"\t\t[ --time-stamp-precision precision ] [ --micro ] [ --nano ]\n");
+#endif
        (void)fprintf(stderr,
 "\t\t[ -z postrotate-command ] [ -Z user ] [ expression ]\n");
 }