PulseAudio  6.0
gccmacro.h
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1 #ifndef foopulsegccmacrohfoo
2 #define foopulsegccmacrohfoo
3 
4 /***
5  This file is part of PulseAudio.
6 
7  Copyright 2004-2006 Lennart Poettering
8 
9  PulseAudio is free software; you can redistribute it and/or modify
10  it under the terms of the GNU Lesser General Public License as published
11  by the Free Software Foundation; either version 2.1 of the License,
12  or (at your option) any later version.
13 
14  PulseAudio is distributed in the hope that it will be useful, but
15  WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  General Public License for more details.
18 
19  You should have received a copy of the GNU Lesser General Public License
20  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
21 ***/
22 
26 #if defined(__GNUC__)
27 #ifdef __MINGW32__
28 /* libintl overrides printf with a #define. As this breaks this attribute,
29  * it has a workaround. However the workaround isn't enabled for MINGW
30  * builds (only cygwin) */
31 #define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (__printf__, a, b)))
32 #else
33 #define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
34 #endif
35 #else
36 
37 #define PA_GCC_PRINTF_ATTR(a,b)
38 #endif
39 
40 #if defined(__GNUC__) && (__GNUC__ >= 4)
41 #define PA_GCC_SENTINEL __attribute__ ((sentinel))
42 #else
43 
44 #define PA_GCC_SENTINEL
45 #endif
46 
47 #ifdef __GNUC__
48 #define PA_GCC_NORETURN __attribute__((noreturn))
49 #else
50 
51 #define PA_GCC_NORETURN
52 #endif
53 
54 #ifdef __GNUC__
55 #define PA_GCC_UNUSED __attribute__ ((unused))
56 #else
57 
58 #define PA_GCC_UNUSED
59 #endif
60 
61 #ifdef __GNUC__
62 #define PA_GCC_DESTRUCTOR __attribute__ ((destructor))
63 #else
64 
65 #define PA_GCC_DESTRUCTOR
66 #endif
67 
68 #ifndef PA_GCC_PURE
69 #ifdef __GNUC__
70 #define PA_GCC_PURE __attribute__ ((pure))
71 #else
72 
73 #define PA_GCC_PURE
74 #endif
75 #endif
76 
77 #ifndef PA_GCC_CONST
78 #ifdef __GNUC__
79 #define PA_GCC_CONST __attribute__ ((const))
80 #else
81 
82 #define PA_GCC_CONST
83 #endif
84 #endif
85 
86 #ifndef PA_GCC_DEPRECATED
87 #ifdef __GNUC__
88 #define PA_GCC_DEPRECATED __attribute__ ((deprecated))
89 #else
90 
91 #define PA_GCC_DEPRECATED
92 #endif
93 #endif
94 
95 #ifndef PA_GCC_PACKED
96 #ifdef __GNUC__
97 #define PA_GCC_PACKED __attribute__ ((packed))
98 #else
99 
100 #define PA_GCC_PACKED
101 #endif
102 #endif
103 
104 #ifndef PA_GCC_ALLOC_SIZE
105 #if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
106 #define PA_GCC_ALLOC_SIZE(x) __attribute__ ((__alloc_size__(x)))
107 #define PA_GCC_ALLOC_SIZE2(x,y) __attribute__ ((__alloc_size__(x,y)))
108 #else
109 
110 #define PA_GCC_ALLOC_SIZE(x)
111 
112 #define PA_GCC_ALLOC_SIZE2(x,y)
113 #endif
114 #endif
115 
116 #ifndef PA_GCC_MALLOC
117 #ifdef __GNUC__
118 #define PA_GCC_MALLOC __attribute__ ((malloc))
119 #else
120 
121 #define PA_GCC_MALLOC
122 #endif
123 #endif
124 
125 #ifndef PA_GCC_WEAKREF
126 #if defined(__GNUC__) && defined(__ELF__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ > 1)) || (__GNUC__ > 4))
127 
128 #define PA_GCC_WEAKREF(x) __attribute__((weakref(#x)))
129 #endif
130 #endif
131 
132 #endif