add option parsing

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9044 ec53bebd-3082-4978-b11e-865c3cabbd6b

kadmin/del.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1998 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1997, 1998, 2000 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -41,12 +41,39 @@ do_del_entry(krb5_principal principal, void *data)
     return kadm5_delete_principal(kadm_handle, principal);
 }
 
+static struct getargs args[] = {
+    { "help", 'h', arg_flag, NULL }
+};
+
+static int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+usage(void)
+{
+    arg_printusage (args, num_args, "delete", "principal...");
+}
+
+
 int
 del_entry(int argc, char **argv)
 {
+    int optind = 0;
+    int help_flag = 0;
+
     int i;
     krb5_error_code ret;
 
+    args[0].value = &help_flag;
+
+    if(getarg(args, num_args, argc, argv, &optind)) {
+	usage ();
+	return 0;
+    }
+    if(optind == argc || help_flag) {
+	usage ();
+	return 0;
+    }
+
     for(i = 1; i < argc; i++)
 	ret = foreach_principal(argv[i], do_del_entry, NULL);
     return 0;

kadmin/del_enctype.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999 - 2000 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1999-2000 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -35,19 +35,29 @@
 
 RCSID("$Id$");
 
-static void
-usage(void)
-{
-    fprintf (stderr, "Usage: del_enctype principal enctypes...\n");
-}
-
 /*
  * del_enctype principal enctypes...
  */
 
+static struct getargs args[] = {
+    { "help", 'h', arg_flag, NULL }
+};
+
+static int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+usage(void)
+{
+    arg_printusage (args, num_args, "del_enctype", "principal enctypes...");
+}
+
+
 int
 del_enctype(int argc, char **argv)
 {
+    int optind = 0;
+    int help_flag = 0;
+
     kadm5_principal_ent_rec princ;
     krb5_principal princ_ent = NULL;
     krb5_error_code ret;
@@ -57,7 +67,13 @@ del_enctype(int argc, char **argv)
     int n_etypes;
     krb5_enctype *etypes;
 
-    if (argc < 3) {
+    args[0].value = &help_flag;
+
+    if(getarg(args, num_args, argc, argv, &optind)) {
+	usage ();
+	return 0;
+    }
+    if(argc - optind < 3 || help_flag) {
 	usage ();
 	return 0;
     }

kadmin/load.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 - 2000 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1997-2000 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -469,13 +469,38 @@ doit(const char *filename, int merge)
     return 0;
 }
 
+
+static struct getargs args[] = {
+    { "help", 'h', arg_flag, NULL }
+};
+
+static int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+usage(const char *name)
+{
+    arg_printusage (args, num_args, name, "file");
+}
+
+
+
 int
 load(int argc, char **argv)
 {
-    if(argc < 2){
-	krb5_warnx(context, "Usage: load filename");
+    int optind = 0;
+    int help_flag = 0;
+
+    args[0].value = &help_flag;
+
+    if(getarg(args, num_args, argc, argv, &optind)) {
+	usage ("load");
 	return 0;
     }
+    if(argc - optind < 2 || help_flag) {
+	usage ("load");
+	return 0;
+    }
+
     doit(argv[1], 0);
     return 0;
 }
@@ -483,10 +508,20 @@ load(int argc, char **argv)
 int
 merge(int argc, char **argv)
 {
-    if(argc < 2){
-	krb5_warnx(context, "Usage: merge filename");
+    int optind = 0;
+    int help_flag = 0;
+
+    args[0].value = &help_flag;
+
+    if(getarg(args, num_args, argc, argv, &optind)) {
+	usage ("merge");
 	return 0;
     }
+    if(argc - optind < 2 || help_flag) {
+	usage ("merge");
+	return 0;
+    }
+
     doit(argv[1], 1);
     return 0;
 }

kadmin/rename.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1997-2000 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -35,16 +35,38 @@
 
 RCSID("$Id$");
 
+static struct getargs args[] = {
+    { "help", 'h', arg_flag, NULL }
+};
+
+static int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+usage(void)
+{
+    arg_printusage (args, num_args, "rename", "from to");
+}
+
 int
 rename_entry(int argc, char **argv)
 {
+    int optind = 0;
+    int help_flag = 0;
+
     krb5_error_code ret;
     krb5_principal princ1, princ2;
 
-    if(argc != 3){
-	krb5_warnx(context, "rename source target");
+    args[0].value = &help_flag;
+
+    if(getarg(args, num_args, argc, argv, &optind)) {
+	usage ();
 	return 0;
     }
+    if(argc - optind < 3 || help_flag) {
+	usage ();
+	return 0;
+    }
+
     ret = krb5_parse_name(context, argv[1], &princ1);
     if(ret){
 	krb5_warn(context, ret, "krb5_parse_name(%s)", argv[1]);