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[Client] Better optarg test for -l

This commit is contained in:
Matteo Cypriani 2011-07-01 14:21:31 +02:00
parent c63da8bdfc
commit 2597295f08
1 changed files with 6 additions and 5 deletions
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11
owlps-client/owlps-client.c
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@ -134,9 +134,12 @@ void parse_main_options(int argc, char **argv)
strncpy(options.iface, optarg, IFNAMSIZ + 1) ;
break ;
case 'l' :
/* Facultative getopt options does not handle separated
* values (like -l <port>) */
if (optarg == 0)
/* Facultative getopt options do not handle separated values
* (like -l <port>), so we have to test separately.
*/
if (optarg) // We got an option like -l<port>, it's OK
options.listening_port = strtoul(optarg, NULL, 0) ;
else // We got -l alone or -l <port>
{
/* If we are at the end of the string, or the next optind
* is an option, we have -l without a port number */
@ -151,8 +154,6 @@ void parse_main_options(int argc, char **argv)
optind++ ;
}
}
else // We got an option like -l<port>, it's OK
options.listening_port = strtoul(optarg, NULL, 0) ;
break ;
case 'n' :
options.nb_pkt = strtoul(optarg, NULL, 0) ;