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improved option parsing

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git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@78 96b47cad-a561-4643-ad3b-153ac7d7599c
This commit is contained in:
frankmorgner
2010-04-16 18:18:29 +00:00
parent b40ec45e5a
commit 3db1a59a19
1 changed files with 26 additions and 11 deletions
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37
ccid/usb.c
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@@ -1760,8 +1760,8 @@ void parse_error(const char *app_name, const char *optarg, int opt_ind)
int
main (int argc, char **argv)
{
int fd, c, i;
int long_optind = 0;
int fd, c, i;
int oindex = 0;
/* random initial serial number */
srand ((int) time (0));
@@ -1772,32 +1772,32 @@ main (int argc, char **argv)
}
while (1) {
c = getopt_long(argc, argv, "hnr:ls:i::u::a::z::p:e:vo", options, &long_optind);
c = getopt_long(argc, argv, "hnr:ls:i::u::a::z::p:e:vo", options, &oindex);
if (c == -1)
break;
if (c == '?' || c == OPT_HELP) {
print_usage(argv[0] , options, option_help);
exit(0);
}
switch (c) {
case OPT_HELP:
print_usage(argv[0] , options, option_help);
exit(0);
break;
case OPT_READER:
if (sscanf(optarg, "%d", &usb_reader_num) != 1)
parse_error(argv[0], optarg, long_optind);
parse_error(argv[0], optarg, oindex);
break;
case OPT_LIST:
dolist++;
break;
case OPT_SERIAL:
if (sscanf(optarg, "%56s", serial) != 1)
parse_error(argv[0], optarg, long_optind);
parse_error(argv[0], optarg, oindex);
break;
case OPT_PRODUCT:
if (sscanf(optarg, "%x", &productid) != 1)
parse_error(argv[0], optarg, long_optind);
parse_error(argv[0], optarg, oindex);
break;
case OPT_VENDOR:
if (sscanf(optarg, "%x", &vendorid) != 1)
parse_error(argv[0], optarg, long_optind);
parse_error(argv[0], optarg, oindex);
break;
case OPT_VERBOSE:
verbose++;
@@ -1827,9 +1827,24 @@ main (int argc, char **argv)
dopacetest = 1;
pin = optarg;
break;
case '?':
/* fall through */
default:
exit(1);
break;
}
}
if (optind < argc) {
fprintf (stderr, "Unknown argument%s:", optind+1 == argc ? "" : "s");
while (optind < argc) {
fprintf(stderr, " \"%s\"", argv[optind++]);
fprintf(stderr, "%c", optind == argc ? '\n' : ',');
}
exit(1);
}
if (dolist)
return ccid_list_readers(verbose);