1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Copyright (C) 2007,2008,2009 Red Hat, Inc.
*
* This is part of HarfBuzz, an OpenType Layout engine library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Red Hat Author(s): Behdad Esfahbod
*/
#ifndef HB_PRIVATE_H
#define HB_PRIVATE_H
#if HAVE_CONFIG_H
#include "config.h"
#endif
#define HB_DEBUG 1
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#if HB_DEBUG
#include <stdio.h> /* XXX */
#endif
#include "hb-common.h"
/* Basics */
#undef MIN
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#ifndef HB_INTERNAL
# define HB_INTERNAL
#endif
#ifndef NULL
# define NULL ((void *)0)
#endif
#ifndef FALSE
# define FALSE 0
#endif
#ifndef TRUE
# define TRUE 1
#endif
#define HB_STMT_START do
#define HB_STMT_END while (0)
#define _ASSERT_STATIC1(_line, _cond) typedef int _static_assert_on_line_##_line##_failed[(_cond)?1:-1]
#define _ASSERT_STATIC0(_line, _cond) _ASSERT_STATIC1 (_line, (_cond))
#define ASSERT_STATIC(_cond) _ASSERT_STATIC0 (__LINE__, (_cond))
#define ASSERT_SIZE(_type, _size) ASSERT_STATIC (sizeof (_type) == (_size))
#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
#define _CAIRO_BOOLEAN_EXPR(expr) \
__extension__ ({ \
int _cairo_boolean_var_; \
if (expr) \
_cairo_boolean_var_ = 1; \
else \
_cairo_boolean_var_ = 0; \
_cairo_boolean_var_; \
})
#define HB_LIKELY(expr) (__builtin_expect (_CAIRO_BOOLEAN_EXPR(expr), 1))
#define HB_UNLIKELY(expr) (__builtin_expect (_CAIRO_BOOLEAN_EXPR(expr), 0))
#else
#define HB_LIKELY(expr) (expr)
#define HB_UNLIKELY(expr) (expr)
#endif
#ifndef __GNUC__
#undef __attribute__
#define __attribute__(x)
#endif
#if __GNUC__ >= 3
#define HB_GNUC_UNUSED __attribute__((unused))
#define HB_GNUC_PURE __attribute__((pure))
#define HB_GNUC_CONST __attribute__((const))
#else
#define HB_GNUC_UNUSED
#define HB_GNUC_PURE
#define HB_GNUC_CONST
#endif
#if (defined(__WIN32__) && !defined(__WINE__)) || defined(_MSC_VER)
#define snprintf _snprintf
#endif
#ifdef _MSC_VER
#undef inline
#define inline __inline
#endif
#ifdef __STRICT_ANSI__
#undef inline
#define inline __inline__
#endif
/* Return the number of 1 bits in mask.
*
* GCC 3.4 supports a "population count" builtin, which on many targets is
* implemented with a single instruction. There is a fallback definition
* in libgcc in case a target does not have one, which should be just as
* good as the open-coded solution below, (which is "HACKMEM 169").
*/
static HB_GNUC_UNUSED inline unsigned int
_hb_popcount32 (uint32_t mask)
{
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
return __builtin_popcount (mask);
#else
register int y;
y = (mask >> 1) &033333333333;
y = mask - y - ((y >>1) & 033333333333);
return (((y + (y >> 3)) & 030707070707) % 077);
#endif
}
static HB_GNUC_UNUSED inline uint16_t
_hb_be_uint16 (uint16_t v)
{
return (v>>8) + (v<<8);
}
static HB_GNUC_UNUSED inline uint32_t
_hb_be_uint32 (uint32_t v)
{
return _hb_be_uint16 (v>>16) + (_hb_be_uint16 (v) <<16);
}
/* Macros to convert to/from BigEndian */
#define hb_be_uint8
#define hb_be_int8
#define hb_be_uint16(v) _hb_be_uint16 (v)
#define hb_be_int16(v) ((int16_t) hb_be_uint16 (v))
#define hb_be_uint32(v) _hb_be_uint32 (v)
#define hb_be_int32(v) ((int32_t) hb_be_uint32 (v))
#include "hb-object-private.h"
#endif /* HB_PRIVATE_H */
|
