text: /* Libart_LGPL - library of basic graphic primitives
   * Copyright (C) 1998 Raph Levien
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public
   * License along with this library; if not, write to the
   * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   * Boston, MA 02111-1307, USA.
   */
  
  /* Simple macros to set up storage allocation and basic types for libart
     functions. */
  
  #ifndef __ART_MISC_H__
  #define __ART_MISC_H__
  
  #include <stdlib.h> /* for malloc, etc. */
  
  /* The art_config.h file is automatically generated by
     gen_art_config.c and contains definitions of
     ART_SIZEOF_{CHAR,SHORT,INT,LONG} and art_u{8,16,32}. */
  #ifdef LIBART_COMPILATION
  #include "art_config.h"
  #else
  #include <libart_lgpl/art_config.h>
  #endif
  
  #define art_alloc malloc
  #define art_free free
  #define art_realloc realloc
  
  /* These aren't, strictly speaking, configuration macros, but they're
     damn handy to have around, and may be worth playing with for
     debugging. */
  #define art_new(type, n) ((type *)art_alloc ((n) * sizeof(type)))
  
  #define art_renew(p, type, n) ((type *)art_realloc (p, (n) * sizeof(type)))
  
  /* This one must be used carefully - in particular, p and max should
     be variables. They can also be pstruct->el lvalues. */
  #define art_expand(p, type, max) do { if(max) { p = art_renew (p, type, max <<= 1); } else { max = 1; p = art_new(type, 1); } } while (0)
  
  typedef int art_boolean;
  #define ART_FALSE 0
  #define ART_TRUE 1
  
  /* define pi */
  #ifndef M_PI
  #define M_PI 3.14159265358979323846
  #endif  /*  M_PI  */
  
  #ifndef M_SQRT2
  #define M_SQRT2         1.41421356237309504880  /* sqrt(2) */
  #endif  /* M_SQRT2 */
  
  /* Provide macros to feature the GCC function attribute.
   */
  #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4))
  #define ART_GNUC_PRINTF( format_idx, arg_idx )    \
    __attribute__((format (printf, format_idx, arg_idx)))
  #define ART_GNUC_NORETURN                         \
    __attribute__((noreturn))
  #else   /* !__GNUC__ */
  #define ART_GNUC_PRINTF( format_idx, arg_idx )
  #define ART_GNUC_NORETURN
  #endif  /* !__GNUC__ */
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  void ART_GNUC_NORETURN
  art_die (const char *fmt, ...) ART_GNUC_PRINTF (1, 2);
  
  void
  art_warn (const char *fmt, ...) ART_GNUC_PRINTF (1, 2);
  
  void
  art_dprint (const char *fmt, ...) ART_GNUC_PRINTF (1, 2);
  
  #ifdef __cplusplus
  }
  #endif
  
  #define ART_USE_NEW_INTERSECTOR
  
  #endif /* __ART_MISC_H__ */
  