1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2012, Daniil Lunev. All rights reserved.
  23  */
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include "grubadm.h"
  28 #include "error.h"
  29 
  30 char * DEBUG;
  31 
  32 void
  33 debug_print (const char * fmt, ...)
  34 {
  35         va_list args;
  36         if (DEBUG) {
  37                 va_start (args, fmt);
  38                 vfprintf (stderr, fmt, args);
  39                 va_end (args);
  40         }
  41 }
  42 
  43 void
  44 print_system_error ()
  45 {
  46         perror(APP_NAME);
  47 }
  48 
  49 void
  50 print_error (const char * fmt, ...)
  51 {
  52         va_list args;
  53         fprintf (stderr, "%s: ", APP_NAME);
  54         va_start (args, fmt);
  55         vfprintf (stderr, fmt, args);
  56         va_end (args);
  57         fprintf (stderr, "\n");
  58 }
  59 
  60 void
  61 check_debug ()
  62 {
  63         DEBUG = getenv("DEBUG");
  64 }