-
/*
- * 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.
- */
+** m_backup.c -- construct a backup file
+**
+** 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>
char *
-m_backup (char *file)
+m_backup(char *file)
{
- char *cp;
- static char buffer[BUFSIZ];
+ char *cp;
+ static char buffer[BUFSIZ];
- if ((cp = r1bindex(file, '/')) == file)
- snprintf(buffer, sizeof(buffer), "%s%s",
- BACKUP_PREFIX, cp);
- else
- snprintf(buffer, sizeof(buffer), "%.*s%s%s", (int)(cp - file), file,
- BACKUP_PREFIX, cp);
+ if ((cp = mhbasename(file)) == file)
+ snprintf(buffer, sizeof(buffer), "%s%s", backup_prefix, cp);
+ else
+ snprintf(buffer, sizeof(buffer), "%.*s%s%s", (int)(cp - file),
+ file, backup_prefix, cp);
- unlink(buffer);
- return buffer;
+ unlink(buffer);
+ return buffer;
}