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* src/cansequence.c, src/cansend.c: 

fix interface cmd line

git-svn-id: https://iocaste.extern.pengutronix.de/svn/canutils/trunks/canutils-3.0-trunk@95 5fd5a299-6ef2-0310-aa18-8b01d7c39d8c
pull/254/head^2
Marc Kleine-Budde 2008-09-29 07:53:31 +00:00
parent 5fa35cbe2a
commit c93d3a63c5
1 changed files with 14 additions and 6 deletions
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20
cansequence.c
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@ -42,8 +42,8 @@ void print_usage(char *prg)
" -t, --type=TYPE Socket type, see man 2 socket (default SOCK_RAW = %d)\n" " -t, --type=TYPE Socket type, see man 2 socket (default SOCK_RAW = %d)\n"
" -p, --protocol=PROTO CAN protocol (default CAN_RAW = %d)\n" " -p, --protocol=PROTO CAN protocol (default CAN_RAW = %d)\n"
" -r, --receive work as receiver\n" " -r, --receive work as receiver\n"
" -l COUNT send COUNT messages, infinite if omitted\n" " -l send message infinite times\n"
" --loop=COUNT \n" " --loop=COUNT send message COUNT times\n"
" -q --quit quit if a wrong sequence is encountered\n" " -q --quit quit if a wrong sequence is encountered\n"
" -v, --verbose be verbose (twice to be even more verbose\n" " -v, --verbose be verbose (twice to be even more verbose\n"
" -h --help this help\n" " -h --help this help\n"
@ -82,12 +82,12 @@ int main(int argc, char **argv)
{ "version", no_argument, 0, VERSION_OPTION}, { "version", no_argument, 0, VERSION_OPTION},
{ "receive", no_argument, 0, 'r'}, { "receive", no_argument, 0, 'r'},
{ "quit", no_argument, 0, 'q'}, { "quit", no_argument, 0, 'q'},
{ "loop", optional_argument, 0, 'l'}, { "loop", required_argument, 0, 'l'},
{ "verbose", no_argument, 0, 'v'}, { "verbose", no_argument, 0, 'v'},
{ 0, 0, 0, 0}, { 0, 0, 0, 0},
}; };
while ((opt = getopt_long(argc, argv, "f:t:p:vrl::hq", long_options, NULL)) != -1) { while ((opt = getopt_long(argc, argv, "f:t:p:vrlhq", long_options, NULL)) != -1) {
switch (opt) { switch (opt) {
case 'h': case 'h':
print_usage(basename(argv[0])); print_usage(basename(argv[0]));
@ -134,8 +134,16 @@ int main(int argc, char **argv)
} }
} }
if (optind != argc) if (optind == argc) {
interface = argv[optind]; print_usage(basename(argv[0]));
exit(0);
}
if (argv[optind] == NULL) {
fprintf(stderr, "No Interface supplied\n");
exit(-1);
}
interface = argv[optind];
printf("interface = %s, family = %d, type = %d, proto = %d\n", printf("interface = %s, family = %d, type = %d, proto = %d\n",
interface, family, type, proto); interface, family, type, proto);