X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/11e8f0a2ecaf6e391ab412b1b23ece0ddac2dd0c..aacc29d06ccccd15b6b07bba0858e6fa32e97edd:/tcpdump.c

diff --git a/tcpdump.c b/tcpdump.c
index bddf963f..ca4babf2 100644
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -641,6 +641,7 @@ show_remote_devices_and_exit(void)
 #define OPTION_COUNT			136
 #define OPTION_PRINT_SAMPLING		137
 #define OPTION_LENGTHS			138
+#define OPTION_TIME_T_SIZE		139
 
 static const struct option longopts[] = {
 	{ "buffer-size", required_argument, NULL, 'B' },
@@ -682,6 +683,7 @@ static const struct option longopts[] = {
 	{ "print", no_argument, NULL, OPTION_PRINT },
 	{ "print-sampling", required_argument, NULL, OPTION_PRINT_SAMPLING },
 	{ "lengths", no_argument, NULL, OPTION_LENGTHS },
+	{ "time-t-size", no_argument, NULL, OPTION_TIME_T_SIZE },
 	{ "version", no_argument, NULL, OPTION_VERSION },
 	{ NULL, 0, NULL, 0 }
 };
@@ -1096,7 +1098,7 @@ parse_interface_number(const char *device)
 			/*
 			 * No, it's not an ordinal.
 			 */
-			error("Invalid adapter index");
+			error("Invalid adapter index %s", device);
 		}
 		return (devnum);
 	} else {
@@ -1870,6 +1872,10 @@ main(int argc, char **argv)
 			ndo->ndo_lengths = 1;
 			break;
 
+		case OPTION_TIME_T_SIZE:
+			printf("%zu\n", sizeof(time_t) * 8);
+			return 0;
+
 		case OPTION_VERSION:
 			print_version(stdout);
 			exit_tcpdump(S_SUCCESS);