put static pace functionality into the new program pace-tool

git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@86 96b47cad-a561-4643-ad3b-153ac7d7599c
2010-05-03 19:52:41 +00:00
parent 52626eb374
commit 6332016b46
5 changed files with 288 additions and 118 deletions
--- a/ccid/util.c
+++ b/ccid/util.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2009 Frank Morgner
+ *
+ * This file is part of ccid.
+ *
+ * ccid 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 3 of the License, or (at your option) any later
+ * version.
+ *
+ * ccid 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
+ * ccid.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "util.h"
+#include <stdio.h>
+#include <string.h>
+
+void print_usage(const char *app_name, const struct option options[],
+	const char *option_help[])
+{
+    int i = 0;
+    printf("Usage: %s [OPTIONS]\nOptions:\n", app_name);
+
+    while (options[i].name) {
+        char buf[40], tmp[5];
+        const char *arg_str;
+
+        /* Skip "hidden" options */
+        if (option_help[i] == NULL) {
+            i++;
+            continue;
+        }
+
+        if (options[i].val > 0 && options[i].val < 128)
+            sprintf(tmp, "-%c", options[i].val);
+        else
+            tmp[0] = 0;
+        switch (options[i].has_arg) {
+            case 1:
+                arg_str = " <arg>";
+                break;
+            case 2:
+                arg_str = " [arg]";
+                break;
+            default:
+                arg_str = "";
+                break;
+        }
+        sprintf(buf, "--%-13s%s%s", options[i].name, tmp, arg_str);
+        if (strlen(buf) > 24) {
+            printf("  %s\n", buf);
+            buf[0] = '\0';
+        }
+        printf("  %-24s %s\n", buf, option_help[i]);
+        i++;
+    }
+}
+
+void parse_error(const char *app_name, const struct option options[],
+        const char *option_help[], const char *optarg, int opt_ind)
+{
+    printf("Could not parse %s ('%s').\n", options[opt_ind].name, optarg);
+    print_usage(app_name , options, option_help);
+}