diff options
Diffstat (limited to 'src/devices/grohtml/post-html.cc')
| -rw-r--r-- | src/devices/grohtml/post-html.cc | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/src/devices/grohtml/post-html.cc b/src/devices/grohtml/post-html.cc index 63965652..716e138d 100644 --- a/src/devices/grohtml/post-html.cc +++ b/src/devices/grohtml/post-html.cc @@ -1058,7 +1058,7 @@ printer *make_printer() return new html_printer; } -static void usage(); +static void usage(FILE *stream); void html_printer::set_style(const style &sty) { @@ -2785,13 +2785,19 @@ int main(int argc, char **argv) static char stderr_buf[BUFSIZ]; setbuf(stderr, stderr_buf); int c; - while ((c = getopt(argc, argv, "o:i:F:vd?lrn")) != EOF) + static const struct option long_options[] = { + { "help", no_argument, 0, CHAR_MAX + 1 }, + { "version", no_argument, 0, 'v' }, + { NULL, 0, 0, 0 } + }; + while ((c = getopt_long(argc, argv, "o:i:F:vd?lrn", long_options, NULL)) + != EOF) switch(c) { case 'v': { extern const char *Version_string; - fprintf(stderr, "post-grohtml version %s\n", Version_string); - fflush(stderr); + printf("GNU post-grohtml (groff) version %s\n", Version_string); + exit(0); break; } case 'F': @@ -2803,9 +2809,6 @@ int main(int argc, char **argv) case 'r': auto_rule = FALSE; break; - case '?': - usage(); - break; case 'o': /* handled by pre-html */ break; @@ -2815,6 +2818,14 @@ int main(int argc, char **argv) case 'n': simple_anchors = TRUE; break; + case CHAR_MAX + 1: // --help + usage(stdout); + exit(0); + break; + case '?': + usage(stderr); + exit(1); + break; default: assert(0); } @@ -2828,9 +2839,8 @@ int main(int argc, char **argv) return 0; } -static void usage() +static void usage(FILE *stream) { - fprintf(stderr, "usage: %s [-vld?n] [-F dir] [files ...]\n", + fprintf(stream, "usage: %s [-vld?n] [-F dir] [files ...]\n", program_name); - exit(1); } |