diff options
Diffstat (limited to 'src/bidilink.c')
| -rw-r--r-- | src/bidilink.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/bidilink.c b/src/bidilink.c index 8493f41..15e0e4c 100644 --- a/src/bidilink.c +++ b/src/bidilink.c @@ -45,7 +45,18 @@ static void signal_handler(int s) { } static void usage(FILE *f, const char *argv0) { - fprintf(f, "%s [STREAM1] [STREAM2]\n", argv0); + fprintf(f, + "%s [-h|--help] [-v|--verbose] STREAM1 [STREAM2]\n\n" + "Supported stream types:\n" + "\tstd:\n" + "\texec:PROGRAM\n" + "\ttty:TTYDEVICE\n" + "\tpty:PTYNAME\n" + "\ttcp-client:HOSTNAME:PORT\n" + "\ttcp-server:[IPADDRESS:]PORT\n" + "\tunix-client:SOCKNAME\n" + "\tunix-server:SOCKNAME\n", + argv0); } static int read_fd(struct stream *s, void *buf, size_t *buf_fill, size_t *buf_index) { @@ -132,11 +143,17 @@ int main(int argc, char *argv[]) { ai = 1; - if (!strcmp(argv[ai], "-v")) { + if (!strcmp(argv[ai], "-h") || !strcmp(argv[ai], "--help")) { + usage(stdout, argv[0]); + ret = 0; + goto finish; + } + + if (!strcmp(argv[ai], "-v") || !strcmp(argv[ai], "--verbose")) { verbose = 1; ai++; } - + if (!(a = stream_open(argv[ai++]))) goto finish; |