e2fsck: allow to fix some superblock corruptions

[tools/e2fsprogs.git] / lib / et / com_right.c

diff --git a/lib/et/com_right.c b/lib/et/com_right.c
index 5ac6e7f..a4ed535 100644 (file)
--- a/lib/et/com_right.c
+++ b/lib/et/com_right.c
@@ -1,43 +1,44 @@
 /*
  * com_right.c -- provide Heimdall / Kerberos4kth com_err interfaces
- *     for backwards compatbility 
- * 
+ *     for backwards compatibility
+ *
  * Copyright (c) 2003 by Theodore Ts'o
  *
  * Taken from lib/com_err/error.c from Kerberos4kth distribution.
- * 
+ *
  * Copyright (c) 1997, 1998, 2001 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden). 
- * All rights reserved. 
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
  *
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
  *
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
  *
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
  */
 
+#include "config.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -55,6 +56,21 @@ com_right(struct et_list *list, long code)
     return NULL;
 }
 
+const char *
+com_right_r(struct et_list *list, long code, char *str, size_t len)
+{
+    struct et_list *p;
+    for (p = list; p; p = p->next) {
+       if ((code >= p->table->base) &&
+           (code < p->table->base + p->table->n_msgs)) {
+            strncpy(str, p->table->msgs[code - p->table->base], len);
+            str[len-1] = '\0';
+            return str;
+        }
+    }
+    return NULL;
+}
+
 struct foobar {
     struct et_list etl;
     struct error_table tab;
@@ -68,8 +84,8 @@ struct foobar {
  * afoul of dependencies.
  */
 void
-initialize_error_table_r(struct et_list **list, 
-                        const char **messages, 
+initialize_error_table_r(struct et_list **list,
+                        const char **messages,
                         int num_errors,
                         long base)
 {
@@ -91,7 +107,7 @@ initialize_error_table_r(struct et_list **list,
     et->next = NULL;
     *end = et;
 }
-                       
+
 
 void
 free_error_table(struct et_list *et)