lib/art/art_misc.c

   1 /* Libart_LGPL - library of basic graphic primitives
   2  * Copyright (C) 1998 Raph Levien
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /* Various utility functions RLL finds useful. */
  21
  22 #include "config.h"
  23 #include "art_misc.h"
  24
  25 #ifdef HAVE_UINSTD_H
  26 #include <unistd.h>
  27 #endif
  28 #include <stdio.h>
  29 #include <stdarg.h>
  30
  31 /**
  32  * art_die: Print the error message to stderr and exit with a return code of 1.
  33  * @fmt: The printf-style format for the error message.
  34  *
  35  * Used for dealing with severe errors.
  36  **/
  37 void
  38 art_die (const char *fmt, ...)
  39 {
  40   va_list ap;
  41
  42   va_start (ap, fmt);
  43   vfprintf (stderr, fmt, ap);
  44   va_end (ap);
  45   exit (1);
  46 }
  47
  48 /**
  49  * art_warn: Print the warning message to stderr.
  50  * @fmt: The printf-style format for the warning message.
  51  *
  52  * Used for generating warnings.
  53  **/
  54 void
  55 art_warn (const char *fmt, ...)
  56 {
  57   va_list ap;
  58
  59   fprintf(stderr, "warn: ");
  60   va_start (ap, fmt);
  61   vfprintf (stderr, fmt, ap);
  62   va_end (ap);
  63 }
  64
  65 /**
  66  * art_dprint: Print the debug message to stderr.
  67  * @fmt: The printf-style format for the debug message.
  68  *
  69  * Used for generating debug output.
  70  **/
  71 void
  72 art_dprint (const char *fmt, ...)
  73 {
  74   va_list ap;
  75
  76   va_start (ap, fmt);
  77   vfprintf (stderr, fmt, ap);
  78   va_end (ap);
  79 }
  80