add floating point support

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7022 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/getarg.c

@@ -70,9 +70,11 @@ print_arg (char *string, size_t len, int mdoc, int longp, struct getargs *arg)
     if (arg->arg_help)
 	s = arg->arg_help;
     else if (arg->type == arg_integer)
-	s = "number";
+	s = "integer";
     else if (arg->type == arg_string)
 	s = "string";
+    else if (arg->type == arg_double)
+	s = "float";
     else
 	s = "<undefined>";
 
@@ -383,6 +385,14 @@ arg_match_long(struct getargs *args, size_t num_args,
 	}
 	return ARG_ERR_BAD_ARG;
     }
+    case arg_double:
+    {
+	double tmp;
+	if(sscanf(optarg + 1, "%lf", &tmp) != 1)
+	    return ARG_ERR_BAD_ARG;
+	*(double*)current->value = tmp;
+	return 0;
+    }
     default:
 	abort ();
     }
@@ -443,6 +453,12 @@ getarg(struct getargs *args, size_t num_args,
 			}else if(args[k].type == arg_strings){
 			    add_string((getarg_strings*)args[k].value, optarg);
 			    goto out;
+			} else if(args[k].type == arg_double){
+			    double tmp;
+			    if(sscanf(optarg, "%lf", &tmp) != 1)
+				return ARG_ERR_BAD_ARG;
+			    *(double*)args[k].value = tmp;
+			    goto out;
 			}
 			return ARG_ERR_BAD_ARG;
 		    }

lib/roken/getarg.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1997, 1999 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -46,7 +46,13 @@
 struct getargs{
     const char *long_name;
     char short_name;
-    enum { arg_integer, arg_string, arg_flag, arg_negative_flag, arg_strings } type;
+    enum { arg_integer, 
+	   arg_string, 
+	   arg_flag, 
+	   arg_negative_flag, 
+	   arg_strings,
+	   arg_double
+    } type;
     void *value;
     const char *help;
     const char *arg_help;