Bug #20028 (Debian bug 399271): fix code assuming that pointer

[mmh] / sbr / m_backup.c

diff --git a/sbr/m_backup.c b/sbr/m_backup.c
index aa9edc8..9dcfdf6 100644 (file)
--- a/sbr/m_backup.c
+++ b/sbr/m_backup.c
@@ -3,6 +3,10 @@
  * m_backup.c -- construct a backup file
  *
  * $Id$
+ *
+ * This code is Copyright (c) 2002, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
  */
 
 #include <h/mh.h>
@@ -18,7 +22,7 @@ m_backup (char *file)
        snprintf(buffer, sizeof(buffer), "%s%s",
                BACKUP_PREFIX, cp);
     else
-       snprintf(buffer, sizeof(buffer), "%.*s%s%s", cp - file, file,
+       snprintf(buffer, sizeof(buffer), "%.*s%s%s", (int)(cp - file), file,
                BACKUP_PREFIX, cp);
 
     unlink(buffer);