1 /* Libart_LGPL - library of basic graphic primitives
2 * Copyright (C) 1998 Raph Levien
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.
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.
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.
20 /* Simple macros to set up storage allocation and basic types for libart
23 #ifndef __ART_MISC_H__
24 #define __ART_MISC_H__
26 #include <stdlib.h> /* for malloc, etc. */
28 /* The art_config.h file is automatically generated by
29 gen_art_config.c and contains definitions of
30 ART_SIZEOF_{CHAR,SHORT,INT,LONG} and art_u{8,16,32}. */
31 #ifdef LIBART_COMPILATION
32 #include "art_config.h"
34 #include "art_config.h"
39 #define art_alloc rfx_alloc
40 #define art_free rfx_free
41 #define art_realloc rfx_realloc
43 #define art_alloc malloc
45 #define art_realloc realloc
48 /* These aren't, strictly speaking, configuration macros, but they're
49 damn handy to have around, and may be worth playing with for
51 #define art_new(type, n) ((type *)art_alloc ((n) * sizeof(type)))
53 #define art_renew(p, type, n) ((type *)art_realloc (p, (n) * sizeof(type)))
55 /* This one must be used carefully - in particular, p and max should
56 be variables. They can also be pstruct->el lvalues. */
57 #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)
59 typedef int art_boolean;
65 #define M_PI 3.14159265358979323846
69 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
72 /* Provide macros to feature the GCC function attribute.
74 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4))
75 #define ART_GNUC_PRINTF( format_idx, arg_idx ) \
76 __attribute__((format (printf, format_idx, arg_idx)))
77 #define ART_GNUC_NORETURN \
78 __attribute__((noreturn))
80 #define ART_GNUC_PRINTF( format_idx, arg_idx )
81 #define ART_GNUC_NORETURN
82 #endif /* !__GNUC__ */
88 void ART_GNUC_NORETURN
89 art_die (const char *fmt, ...) ART_GNUC_PRINTF (1, 2);
92 art_warn (const char *fmt, ...) ART_GNUC_PRINTF (1, 2);
95 art_dprint (const char *fmt, ...) ART_GNUC_PRINTF (1, 2);
101 #define ART_USE_NEW_INTERSECTOR
103 #endif /* __ART_MISC_H__ */