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-rw-r--r--utils/osmo-sim-test.c50
1 files changed, 49 insertions, 1 deletions
diff --git a/utils/osmo-sim-test.c b/utils/osmo-sim-test.c
index 5588294a..cd983975 100644
--- a/utils/osmo-sim-test.c
+++ b/utils/osmo-sim-test.c
@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <errno.h>
#include <string.h>
+#include <getopt.h>
#include <arpa/inet.h>
#include <osmocom/core/msgb.h>
@@ -328,6 +329,51 @@ out:
return -EINVAL;
}
+static void print_help(void)
+{
+ printf( "osmo-sim-test Usage:\n"
+ " -h --help This message\n"
+ " -n --reader-num NR Open reader number NR\n"
+ );
+}
+
+static int readernum = 0;
+
+static void handle_options(int argc, char **argv)
+{
+ while (1) {
+ int option_index = 0, c;
+ const struct option long_options[] = {
+ { "help", 0, 0, 'h' },
+ { "reader-num", 1, 0, 'n' },
+ {0,0,0,0}
+ };
+
+ c = getopt_long(argc, argv, "hn:",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 'h':
+ print_help();
+ exit(0);
+ break;
+ case 'n':
+ readernum = atoi(optarg);
+ break;
+ default:
+ exit(2);
+ break;
+ }
+ }
+
+ if (argc > optind) {
+ fprintf(stderr, "Unsupported positional arguments on command line\n");
+ exit(2);
+ }
+}
+
int main(int argc, char **argv)
{
struct osim_reader_hdl *reader;
@@ -335,7 +381,9 @@ int main(int argc, char **argv)
struct osim_chan_hdl *chan;
struct msgb *msg;
- reader = osim_reader_open(OSIM_READER_DRV_PCSC, 0, "", NULL);
+ handle_options(argc, argv);
+
+ reader = osim_reader_open(OSIM_READER_DRV_PCSC, readernum, "", NULL);
if (!reader)
exit(1);
card = osim_card_open(reader, OSIM_PROTO_T0);