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