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+/* 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 <glib.h>
+#include <stdlib.h> /* for malloc, etc. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+void *art_alloc(size_t size);
+void art_free(void *ptr);
+void *art_realloc(void *ptr, size_t size);
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+/* 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
+
+typedef guint8 art_u8;
+typedef guint16 art_u16;
+typedef guint32 art_u32;
+
+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__ */