messages.c

   1 /*
   2  * This program is free software; you can redistribute it and/or
   3  * modify it under the terms of the GNU General Public
   4  * License v2 as published by the Free Software Foundation.
   5  *
   6  * This program is distributed in the hope that it will be useful,
   7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   9  * General Public License for more details.
  10  *
  11  * You should have received a copy of the GNU General Public
  12  * License along with this program; if not, write to the
  13  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  14  * Boston, MA 021110-1307, USA.
  15  */
  16
  17 #include <stdio.h>
  18 #include <stdarg.h>
  19 #include "messages.h"
  20
  21 __attribute__ ((format (printf, 1, 2)))
  22 void __btrfs_warning(const char *fmt, ...)
  23 {
  24         va_list args;
  25
  26         fputs("WARNING: ", stderr);
  27         va_start(args, fmt);
  28         vfprintf(stderr, fmt, args);
  29         va_end(args);
  30         fputc('\n', stderr);
  31 }
  32
  33 __attribute__ ((format (printf, 1, 2)))
  34 void __btrfs_error(const char *fmt, ...)
  35 {
  36         va_list args;
  37
  38         fputs("ERROR: ", stderr);
  39         va_start(args, fmt);
  40         vfprintf(stderr, fmt, args);
  41         va_end(args);
  42         fputc('\n', stderr);
  43 }
  44
  45 __attribute__ ((format (printf, 2, 3)))
  46 int __btrfs_warning_on(int condition, const char *fmt, ...)
  47 {
  48         va_list args;
  49
  50         if (!condition)
  51                 return 0;
  52
  53         fputs("WARNING: ", stderr);
  54         va_start(args, fmt);
  55         vfprintf(stderr, fmt, args);
  56         va_end(args);
  57         fputc('\n', stderr);
  58
  59         return 1;
  60 }
  61
  62 __attribute__ ((format (printf, 2, 3)))
  63 int __btrfs_error_on(int condition, const char *fmt, ...)
  64 {
  65         va_list args;
  66
  67         if (!condition)
  68                 return 0;
  69
  70         fputs("ERROR: ", stderr);
  71         va_start(args, fmt);
  72         vfprintf(stderr, fmt, args);
  73         va_end(args);
  74         fputc('\n', stderr);
  75
  76         return 1;
  77 }