1 /* Xfuncproto.h. Generated from Xfuncproto.h.in by configure. */ 2 /* 3 * 4 Copyright 1989, 1991, 1998 The Open Group 5 6 Permission to use, copy, modify, distribute, and sell this software and its 7 documentation for any purpose is hereby granted without fee, provided that 8 the above copyright notice appear in all copies and that both that 9 copyright notice and this permission notice appear in supporting 10 documentation. 11 12 The above copyright notice and this permission notice shall be included in 13 all copies or substantial portions of the Software. 14 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 19 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22 Except as contained in this notice, the name of The Open Group shall not be 23 used in advertising or otherwise to promote the sale, use or other dealings 24 in this Software without prior written authorization from The Open Group. 25 * 26 */ 27 28 /* Definitions to make function prototypes manageable */ 29 30 #ifndef _XFUNCPROTO_H_ 31 #define _XFUNCPROTO_H_ 32 33 #ifndef NeedFunctionPrototypes 34 #define NeedFunctionPrototypes 1 35 #endif /* NeedFunctionPrototypes */ 36 37 #ifndef NeedVarargsPrototypes 38 #define NeedVarargsPrototypes 1 39 #endif /* NeedVarargsPrototypes */ 40 41 #if NeedFunctionPrototypes 42 43 #ifndef NeedNestedPrototypes 44 #define NeedNestedPrototypes 1 45 #endif /* NeedNestedPrototypes */ 46 47 #ifndef _Xconst 48 #define _Xconst const 49 #endif /* _Xconst */ 50 51 /* Function prototype configuration (see configure for more info) */ 52 #ifndef NARROWPROTO 53 #define NARROWPROTO /**/ 54 #endif 55 #ifndef FUNCPROTO 56 #define FUNCPROTO 15 57 #endif 58 59 #ifndef NeedWidePrototypes 60 #ifdef NARROWPROTO 61 #define NeedWidePrototypes 0 62 #else 63 #define NeedWidePrototypes 1 /* default to make interropt. easier */ 64 #endif 65 #endif /* NeedWidePrototypes */ 66 67 #endif /* NeedFunctionPrototypes */ 68 69 #ifndef _XFUNCPROTOBEGIN 70 #if defined(__cplusplus) || defined(c_plusplus) /* for C++ V2.0 */ 71 #define _XFUNCPROTOBEGIN extern "C" { /* do not leave open across includes */ 72 #define _XFUNCPROTOEND } 73 #else 74 #define _XFUNCPROTOBEGIN 75 #define _XFUNCPROTOEND 76 #endif 77 #endif /* _XFUNCPROTOBEGIN */ 78 79 /* Added in X11R6.9, so available in any version of modular xproto */ 80 #if defined(__GNUC__) && (__GNUC__ >= 4) 81 # define _X_SENTINEL(x) __attribute__ ((__sentinel__(x))) 82 #else 83 # define _X_SENTINEL(x) 84 #endif /* GNUC >= 4 */ 85 86 /* Added in X11R6.9, so available in any version of modular xproto */ 87 #if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__CYGWIN__) 88 # define _X_EXPORT __attribute__((visibility("default"))) 89 # define _X_HIDDEN __attribute__((visibility("hidden"))) 90 # define _X_INTERNAL __attribute__((visibility("internal"))) 91 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) 92 # define _X_EXPORT __global 93 # define _X_HIDDEN __hidden 94 # define _X_INTERNAL __hidden 95 #else /* not gcc >= 4 and not Sun Studio >= 8 */ 96 # define _X_EXPORT 97 # define _X_HIDDEN 98 # define _X_INTERNAL 99 #endif /* GNUC >= 4 */ 100 101 /* requires xproto >= 7.0.9 */ 102 #if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 303) 103 # define _X_LIKELY(x) __builtin_expect(!!(x), 1) 104 # define _X_UNLIKELY(x) __builtin_expect(!!(x), 0) 105 #else /* not gcc >= 3.3 */ 106 # define _X_LIKELY(x) (x) 107 # define _X_UNLIKELY(x) (x) 108 #endif 109 110 /* Added in X11R6.9, so available in any version of modular xproto */ 111 #if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 301) 112 # define _X_DEPRECATED __attribute__((deprecated)) 113 #else /* not gcc >= 3.1 */ 114 # define _X_DEPRECATED 115 #endif 116 117 /* requires xproto >= 7.0.17 */ 118 #if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \ 119 || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) 120 # define _X_NORETURN __attribute((noreturn)) 121 #else 122 # define _X_NORETURN 123 #endif /* GNUC */ 124 125 /* Added in X11R6.9, so available in any version of modular xproto */ 126 #if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 203) 127 # define _X_ATTRIBUTE_PRINTF(x,y) __attribute__((__format__(__printf__,x,y))) 128 #else /* not gcc >= 2.3 */ 129 # define _X_ATTRIBUTE_PRINTF(x,y) 130 #endif 131 132 /* requires xproto >= 7.0.22 */ 133 #if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 303) 134 #define _X_NONNULL(args...) __attribute__((nonnull(args))) 135 #else 136 #define _X_NONNULL(...) /* */ 137 #endif 138 139 /* requires xproto >= 7.0.22 */ 140 #if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205) 141 #define _X_UNUSED __attribute__((__unused__)) 142 #else 143 #define _X_UNUSED /* */ 144 #endif 145 146 /* C99 keyword "inline" or equivalent extensions in pre-C99 compilers */ 147 /* requires xproto >= 7.0.9 148 (introduced in 7.0.8 but didn't support all compilers until 7.0.9) */ 149 #if defined(inline) /* assume autoconf set it correctly */ || \ 150 (defined(__STDC_VERSION__) && (__STDC_VERSION__ - 0 >= 199901L)) /* C99 */ || \ 151 (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)) 152 # define _X_INLINE inline 153 #elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* gcc w/C89+extensions */ 154 # define _X_INLINE __inline__ 155 #else 156 # define _X_INLINE 157 #endif 158 159 /* C99 keyword "restrict" or equivalent extensions in pre-C99 compilers */ 160 /* requires xproto >= 7.0.21 */ 161 #ifndef _X_RESTRICT_KYWD 162 # if defined(restrict) /* assume autoconf set it correctly */ || \ 163 (defined(__STDC_VERSION__) && (__STDC_VERSION__ - 0 >= 199901L)) /* C99 */ 164 # define _X_RESTRICT_KYWD restrict 165 # elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* gcc w/C89+extensions */ 166 # define _X_RESTRICT_KYWD __restrict__ 167 # else 168 # define _X_RESTRICT_KYWD 169 # endif 170 #endif 171 172 #endif /* _XFUNCPROTO_H_ */ 173
