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Check for existence of cf.iface before calling capture(). Change 

usage statement accordingly.

svn path=/trunk/; revision=1474
This commit is contained in:
Gilbert Ramirez 2000-01-14 14:21:50 +00:00
parent e0468c2e16
commit b65829c808
1 changed files with 7 additions and 2 deletions
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9
tethereal.c
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@ -1,6 +1,6 @@
/* tethereal.c
*
* $Id: tethereal.c,v 1.1 2000/01/14 06:45:52 guy Exp $
* $Id: tethereal.c,v 1.2 2000/01/14 14:21:50 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
@ -132,7 +132,7 @@ print_usage(void) {
VERSION, comp_info_str);
fprintf(stderr, "t%s [-v] [-h] [-n]\n",
PACKAGE);
fprintf(stderr, " [-r infile] [-t <time stamp format>]\n");
fprintf(stderr, " [-r infile] [-t <time stamp format>] -i iface\n");
}
int
@ -369,6 +369,11 @@ main(int argc, char *argv[])
cf_name[0] = '\0';
#ifdef HAVE_LIBPCAP
} else {
if (!cf.iface) {
print_usage();
fprintf(stderr, "\nPlease specify an interface with the -i option.\n");
exit(1);
}
capture();
#endif
}