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Diffstat (limited to 'Xfuncproto.h.in')
| -rw-r--r-- | Xfuncproto.h.in | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/Xfuncproto.h.in b/Xfuncproto.h.in new file mode 100644 index 0000000..b88493d --- /dev/null +++ b/Xfuncproto.h.in @@ -0,0 +1,220 @@ +/* + * +Copyright 1989, 1991, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + * + */ + +/* Definitions to make function prototypes manageable */ + +#ifndef _XFUNCPROTO_H_ +#define _XFUNCPROTO_H_ + +#ifndef NeedFunctionPrototypes +#define NeedFunctionPrototypes 1 +#endif /* NeedFunctionPrototypes */ + +#ifndef NeedVarargsPrototypes +#define NeedVarargsPrototypes 1 +#endif /* NeedVarargsPrototypes */ + +#if NeedFunctionPrototypes + +#ifndef NeedNestedPrototypes +#define NeedNestedPrototypes 1 +#endif /* NeedNestedPrototypes */ + +#ifndef _Xconst +#define _Xconst const +#endif /* _Xconst */ + +/* Function prototype configuration (see configure for more info) */ +#ifndef NARROWPROTO +#undef NARROWPROTO +#endif +#ifndef FUNCPROTO +#undef FUNCPROTO +#endif + +#ifndef NeedWidePrototypes +#ifdef NARROWPROTO +#define NeedWidePrototypes 0 +#else +#define NeedWidePrototypes 1 /* default to make interropt. easier */ +#endif +#endif /* NeedWidePrototypes */ + +#endif /* NeedFunctionPrototypes */ + +#ifndef _XFUNCPROTOBEGIN +#if defined(__cplusplus) || defined(c_plusplus) /* for C++ V2.0 */ +#define _XFUNCPROTOBEGIN extern "C" { /* do not leave open across includes */ +#define _XFUNCPROTOEND } +#else +#define _XFUNCPROTOBEGIN +#define _XFUNCPROTOEND +#endif +#endif /* _XFUNCPROTOBEGIN */ + +/* http://clang.llvm.org/docs/LanguageExtensions.html#has-attribute */ +#ifndef __has_attribute +# define __has_attribute(x) 0 /* Compatibility with non-clang compilers. */ +#endif +#ifndef __has_feature +# define __has_feature(x) 0 /* Compatibility with non-clang compilers. */ +#endif +#ifndef __has_extension +# define __has_extension(x) 0 /* Compatibility with non-clang compilers. */ +#endif + +/* Added in X11R6.9, so available in any version of modular xproto */ +#if __has_attribute(__sentinel__) || (defined(__GNUC__) && (__GNUC__ >= 4)) +# define _X_SENTINEL(x) __attribute__ ((__sentinel__(x))) +#else +# define _X_SENTINEL(x) +#endif /* GNUC >= 4 */ + +/* Added in X11R6.9, so available in any version of modular xproto */ +#if (__has_attribute(visibility) || (defined(__GNUC__) && (__GNUC__ >= 4))) \ + && !defined(__CYGWIN__) && !defined(__MINGW32__) +# define _X_EXPORT __attribute__((visibility("default"))) +# define _X_HIDDEN __attribute__((visibility("hidden"))) +# define _X_INTERNAL __attribute__((visibility("internal"))) +#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) +# define _X_EXPORT __global +# define _X_HIDDEN __hidden +# define _X_INTERNAL __hidden +#else /* not gcc >= 4 and not Sun Studio >= 8 */ +# define _X_EXPORT +# define _X_HIDDEN +# define _X_INTERNAL +#endif /* GNUC >= 4 */ + +/* Branch prediction hints for individual conditionals */ +/* requires xproto >= 7.0.9 */ +#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 303) +# define _X_LIKELY(x) __builtin_expect(!!(x), 1) +# define _X_UNLIKELY(x) __builtin_expect(!!(x), 0) +#else /* not gcc >= 3.3 */ +# define _X_LIKELY(x) (x) +# define _X_UNLIKELY(x) (x) +#endif + +/* Bulk branch prediction hints via marking error path functions as "cold" */ +/* requires xproto >= 7.0.25 */ +#if __has_attribute(__cold__) || \ + (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 403)) /* 4.3+ */ +# define _X_COLD __attribute__((__cold__)) +#else +# define _X_COLD /* nothing */ +#endif + +/* Added in X11R6.9, so available in any version of modular xproto */ +#if __has_attribute(deprecated) \ + || (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 301)) \ + || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5130)) +# define _X_DEPRECATED __attribute__((deprecated)) +#else /* not gcc >= 3.1 */ +# define _X_DEPRECATED +#endif + +/* requires xproto >= 7.0.30 */ +#if __has_extension(attribute_deprecated_with_message) || \ + (defined(__GNUC__) && ((__GNUC__ >= 5) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)))) +# define _X_DEPRECATED_MSG(_msg) __attribute__((deprecated(_msg))) +#else +# define _X_DEPRECATED_MSG(_msg) _X_DEPRECATED +#endif + +/* requires xproto >= 7.0.17 */ +#if __has_attribute(noreturn) \ + || (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \ + || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) +# define _X_NORETURN __attribute((noreturn)) +#else +# define _X_NORETURN +#endif /* GNUC */ + +/* Added in X11R6.9, so available in any version of modular xproto */ +#if __has_attribute(__format__) \ + || defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 203) +# define _X_ATTRIBUTE_PRINTF(x,y) __attribute__((__format__(__printf__,x,y))) +#else /* not gcc >= 2.3 */ +# define _X_ATTRIBUTE_PRINTF(x,y) +#endif + +/* requires xproto >= 7.0.22 - since this uses either gcc or C99 variable + argument macros, must be only used inside #ifdef _X_NONNULL guards, as + many legacy X clients are compiled in C89 mode still. */ +#if __has_attribute(nonnull) \ + && defined(__STDC_VERSION__) && (__STDC_VERSION__ - 0 >= 199901L) /* C99 */ +#define _X_NONNULL(...) __attribute__((nonnull(__VA_ARGS__))) +#elif __has_attribute(nonnull) \ + || defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 303) +#define _X_NONNULL(args...) __attribute__((nonnull(args))) +#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ - 0 >= 199901L) /* C99 */ +#define _X_NONNULL(...) /* */ +#endif + +/* requires xproto >= 7.0.22 */ +#if __has_attribute(__unused__) \ + || defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205) +#define _X_UNUSED __attribute__((__unused__)) +#else +#define _X_UNUSED /* */ +#endif + +/* C99 keyword "inline" or equivalent extensions in pre-C99 compilers */ +/* requires xproto >= 7.0.9 + (introduced in 7.0.8 but didn't support all compilers until 7.0.9) */ +#if defined(inline) /* assume autoconf set it correctly */ || \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ - 0 >= 199901L)) /* C99 */ || \ + (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)) +# define _X_INLINE inline +#elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* gcc w/C89+extensions */ +# define _X_INLINE __inline__ +#else +# define _X_INLINE +#endif + +/* C99 keyword "restrict" or equivalent extensions in pre-C99 compilers */ +/* requires xproto >= 7.0.21 */ +#ifndef _X_RESTRICT_KYWD +# if defined(restrict) /* assume autoconf set it correctly */ || \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ - 0 >= 199901L) /* C99 */ \ + && !defined(__cplusplus)) /* Workaround g++ issue on Solaris */ +# define _X_RESTRICT_KYWD restrict +# elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* gcc w/C89+extensions */ +# define _X_RESTRICT_KYWD __restrict__ +# else +# define _X_RESTRICT_KYWD +# endif +#endif + +/* requires xproto >= 7.0.30 */ +#if __has_attribute(no_sanitize_thread) +# define _X_NOTSAN __attribute__((no_sanitize_thread)) +#else +# define _X_NOTSAN +#endif + +#endif /* _XFUNCPROTO_H_ */ |