1 files changed, 93 insertions, 0 deletions
diff --git a/args.c b/args.c
new file mode 100644
index 000000000..38852563c
--- /dev/null
+++ b/args.c
@@ -0,0 +1,93 @@
+/* Gopher filesystem. Argument handling routines.
+
+   Copyright (C) 2001, 2002 James A. Morrison <ja2morri@uwaterloo.ca>
+   Copyright (C) 2000 Igor Khavkine <igor@twu.net>
+
+   Gopherfs is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   Gopherfs is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#include <string.h>
+#include <limits.h>
+#include <unistd.h>
+#include <error.h>
+#include <argp.h>
+#include <argz.h>
+
+#include <hurd/netfs.h>
+
+#include "gopherfs.h"
+
+/* ARGP data */
+const char *argp_program_version = "gopherfs 0.1.2";
+const char *argp_program_bug_address = "ja2morri@uwaterloo.ca";
+char args_doc[] = "REMOTE_FS [SERVER]";
+char doc[] = "Hurd gopher filesystem translator";
+static const struct argp_option options[] = {
+  {"debug", 'D', 0, 0, "enable debug output"},
+  {0}
+};
+/* the function that groks the arguments and fills
+ * global options
+ */
+static error_t
+parse_opt (int key, char *arg, struct argp_state *state)
+{
+  switch (key)
+    {
+    case 'D':
+      debug_flag = 1;
+      break;
+    case ARGP_KEY_ARG:
+      if (state->arg_num == 0)
+	gopherfs_root_server = arg;
+      else if (state->arg_num == 1)
+	{
+	  gopherfs_root_port = 70;
+	  gopherfs_server_dir = arg;
+	}
+      else if (state->arg_num == 2)
+	{
+	  char *tail;
+	  gopherfs_root_port = (unsigned short) strtol (arg, &tail, 10);
+	  if (tail == arg || gopherfs_root_port > USHRT_MAX)
+	    {
+	      /* XXX bad integer conversion */
+	      error (1, errno, "bad port number");
+	    }
+	}
+      else
+	return ARGP_ERR_UNKNOWN;
+      break;
+    default:
+      return ARGP_ERR_UNKNOWN;
+    }
+  return 0;
+}
+static struct argp_child argp_children[] = { {&netfs_std_startup_argp}, {0} };
+static struct argp parser =
+  { options, parse_opt, args_doc, doc, argp_children };
+
+/* Used by netfs_set_options to handle runtime option parsing. */
+struct argp *netfs_runtime_argp = &parser;
+
+/* maybe overwrite this some time later */
+error_t netfs_append_args (char **argz, size_t * argz_len);
+
+/* handle all initial parameter parsing */
+error_t
+gopherfs_parse_args (int argc, char **argv)
+{
+  /* XXX: handle command line arguments properly */
+  return argp_parse (&parser, argc, argv, 0, 0, /*&conf */ 0);
+}