girara
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macros.h
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1/* SPDX-License-Identifier: Zlib */
2
3#ifndef GIRARA_MACROS_H
4#define GIRARA_MACROS_H
5
6#ifndef __has_attribute
7#define __has_attribute(x) 0
8#endif
9
10#ifndef __has_builtin
11#define __has_builtin(x) 0
12#endif
13
14#if defined(__GNUC__) && defined(__GNUC_MINOR__)
15#define GIRARA_GNUC_CHECK(maj, min) (((__GNUC__ << 20) + (__GNUC_MINOR__ << 10)) >= (((maj) << 20) + ((min) << 10)))
16#else
17#define GIRARA_GNUC_CHECK(maj, min) 0
18#endif
19
20#ifndef GIRARA_PRINTF
21#if GIRARA_GNUC_CHECK(2, 5) || defined(__clang__)
22#define GIRARA_PRINTF(format_idx, arg_idx) __attribute__((__format__(__printf__, format_idx, arg_idx)))
23#else
24#define GIRARA_PRINTF(format_idx, arg_idx)
25#endif
26#endif
27
28#ifndef GIRARA_UNUSED
29#if defined(__GNUC__) || defined(__clang__)
30#define GIRARA_UNUSED(x) UNUSED_##x __attribute__((unused))
31#elif defined(__LCLINT__)
32#define GIRARA_UNUSED(x) /*@unused@*/ x
33#else
34#define GIRARA_UNUSED(x) x
35#endif
36#endif
37
38#ifndef GIRARA_HIDDEN
39#if GIRARA_GNUC_CHECK(4, 0) || __has_attribute(visibility)
40#define GIRARA_HIDDEN __attribute__((visibility("hidden")))
41#elif defined(__SUNPRO_C)
42#define GIRARA_HIDDEN __hidden
43#else
44#define GIRARA_HIDDEN
45#endif
46#endif
47
48#ifndef GIRARA_VISIBLE
49#if GIRARA_GNUC_CHECK(4, 0) || __has_attribute(visibility)
50#define GIRARA_VISIBLE __attribute__((visibility("default")))
51#else
52#define GIRARA_VISIBLE
53#endif
54#endif
55
56#ifndef GIRARA_DEPRECATED
57#if defined(__GNUC__) || __has_attribute(deprecated)
58#define GIRARA_DEPRECATED(x) x __attribute__((deprecated))
59#define GIRARA_DEPRECATED_ __attribute__((deprecated))
60#else
61#define GIRARA_DEPRECATED(x) x
62#define GIRARA_DEPRECATED_
63#endif
64#endif
65
66#ifndef GIRARA_ALLOC_SIZE
67#if (!defined(__clang__) && GIRARA_GNUC_CHECK(4, 3)) || (defined(__clang__) && __has_attribute(__alloc_size__))
68#define GIRARA_ALLOC_SIZE(...) __attribute__((alloc_size(__VA_ARGS__)))
69#else
70#define GIRARA_ALLOC_SIZE(x)
71#endif
72#endif
73
74#ifndef GIRARA_DO_PRAGMA
75#if defined(__GNUC__) || defined(__clang__)
76#define GIRARA_DO_PRAGMA(x) _Pragma(#x)
77#else
78#define GIRARA_DO_PRAGMA(x)
79#endif
80#endif
81
82#ifndef GIRARA_IGNORE_DEPRECATED
83#define GIRARA_IGNORE_DEPRECATED \
84 GIRARA_DO_PRAGMA(GCC diagnostic push) \
85 GIRARA_DO_PRAGMA(GCC diagnostic ignored "-Wdeprecated-declarations")
86#endif
87
88#ifndef GIRARA_UNIGNORE
89#define GIRARA_UNIGNORE GIRARA_DO_PRAGMA(GCC diagnostic pop)
90#endif
91
92#endif