9base

revived minimalist port of Plan 9 userland to Unix
git clone git://git.suckless.org/9base
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u.h (4287B)


      1 #ifndef _U_H_
      2 #define _U_H_ 1
      3 #if defined(__cplusplus)
      4 extern "C" {
      5 #endif
      6 
      7 #define __BSD_VISIBLE 1 /* FreeBSD 5.x */
      8 #if defined(__sun__)
      9 #	define __EXTENSIONS__ 1 /* SunOS */
     10 #	if defined(__SunOS5_6__) || defined(__SunOS5_7__) || defined(__SunOS5_8__) || defined(__SunOS5_9__) || defined(__SunOS5_10__)
     11 		/* NOT USING #define __MAKECONTEXT_V2_SOURCE 1 / * SunOS */
     12 #	else
     13 		/* What's left? */
     14 #		define __MAKECONTEXT_V2_SOURCE 1
     15 #	endif
     16 #endif
     17 #define _BSD_SOURCE 1
     18 #define _NETBSD_SOURCE 1	/* NetBSD */
     19 #define _SVID_SOURCE 1
     20 #if !defined(__APPLE__) && !defined(__OpenBSD__)
     21 #	define _XOPEN_SOURCE 1000
     22 #	define _XOPEN_SOURCE_EXTENDED 1
     23 #endif
     24 #if defined(__FreeBSD__)
     25 #	include <sys/cdefs.h>
     26 	/* for strtoll */
     27 #	undef __ISO_C_VISIBLE
     28 #	define __ISO_C_VISIBLE 1999
     29 #	undef __LONG_LONG_SUPPORTED
     30 #	define __LONG_LONG_SUPPORTED
     31 #endif
     32 #if defined(__AIX__)
     33 #	define _XOPEN_SOURCE 1
     34 #endif
     35 #if defined(__APPLE__)
     36 #	define _DARWIN_NO_64_BIT_INODE	/* Snow Leopard */
     37 #endif
     38 #define _LARGEFILE64_SOURCE 1
     39 #define _FILE_OFFSET_BITS 64
     40 
     41 #include <inttypes.h>
     42 
     43 #include <unistd.h>
     44 #include <string.h>
     45 #include <stdlib.h>
     46 #include <stdarg.h>
     47 #include <fcntl.h>
     48 #include <assert.h>
     49 #include <setjmp.h>
     50 #include <stddef.h>
     51 #include <math.h>
     52 #include <ctype.h>	/* for tolower */
     53 
     54 /*
     55  * OS-specific crap
     56  */
     57 #define _NEEDUCHAR 1
     58 #define _NEEDUSHORT 1
     59 #define _NEEDUINT 1
     60 #define _NEEDULONG 1
     61 
     62 typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
     63 
     64 #if defined(__linux__)
     65 #	include <sys/types.h>
     66 #	if defined(__Linux26__)
     67 #		include <pthread.h>
     68 #		define PLAN9PORT_USING_PTHREADS 1
     69 #	endif
     70 #	if defined(__USE_MISC)
     71 #		undef _NEEDUSHORT
     72 #		undef _NEEDUINT
     73 #		undef _NEEDULONG
     74 #	endif
     75 #elif defined(__sun__)
     76 #	include <sys/types.h>
     77 #	include <pthread.h>
     78 #	define PLAN9PORT_USING_PTHREADS 1
     79 #	undef _NEEDUSHORT
     80 #	undef _NEEDUINT
     81 #	undef _NEEDULONG
     82 #	define nil 0	/* no cast to void* */
     83 #elif defined(__FreeBSD__)
     84 #	include <sys/types.h>
     85 #	include <osreldate.h>
     86 #	if __FreeBSD_version >= 500000
     87 #		define PLAN9PORT_USING_PTHREADS 1
     88 #		include <pthread.h>
     89 #	endif
     90 #	if !defined(_POSIX_SOURCE)
     91 #		undef _NEEDUSHORT
     92 #		undef _NEEDUINT
     93 #	endif
     94 #elif defined(__APPLE__)
     95 #	include <sys/types.h>
     96 #	include <pthread.h>
     97 #	define PLAN9PORT_USING_PTHREADS 1
     98 #	if __GNUC__ < 4
     99 #		undef _NEEDUSHORT
    100 #		undef _NEEDUINT
    101 #	endif
    102 #	undef _ANSI_SOURCE
    103 #	undef _POSIX_C_SOURCE
    104 #	undef _XOPEN_SOURCE
    105 #	if !defined(NSIG)
    106 #		define NSIG 32
    107 #	endif
    108 #	define _NEEDLL 1
    109 #elif defined(__NetBSD__)
    110 #	include <sched.h>
    111 #	include <sys/types.h>
    112 #	undef _NEEDUSHORT
    113 #	undef _NEEDUINT
    114 #	undef _NEEDULONG
    115 #elif defined(__OpenBSD__)
    116 #	include <sys/types.h>
    117 #	undef _NEEDUSHORT
    118 #	undef _NEEDUINT
    119 #	undef _NEEDULONG
    120 #else
    121 	/* No idea what system this is -- try some defaults */
    122 #	include <pthread.h>
    123 #	define PLAN9PORT_USING_PTHREADS 1
    124 #endif
    125 
    126 #ifndef O_DIRECT
    127 #define O_DIRECT 0
    128 #endif
    129 
    130 typedef signed char schar;
    131 
    132 #ifdef _NEEDUCHAR
    133 	typedef unsigned char uchar;
    134 #endif
    135 #ifdef _NEEDUSHORT
    136 	typedef unsigned short ushort;
    137 #endif
    138 #ifdef _NEEDUINT
    139 	typedef unsigned int uint;
    140 #endif
    141 #ifdef _NEEDULONG
    142 	typedef unsigned long ulong;
    143 #endif
    144 typedef unsigned long long uvlong;
    145 typedef long long vlong;
    146 
    147 typedef uint64_t u64int;
    148 typedef int64_t s64int;
    149 typedef uint8_t u8int;
    150 typedef int8_t s8int;
    151 typedef uint16_t u16int;
    152 typedef int16_t s16int;
    153 typedef uintptr_t uintptr;
    154 typedef intptr_t intptr;
    155 typedef uint32_t u32int;
    156 typedef int32_t s32int;
    157 
    158 #undef _NEEDUCHAR
    159 #undef _NEEDUSHORT
    160 #undef _NEEDUINT
    161 #undef _NEEDULONG
    162 
    163 /*
    164  * Funny-named symbols to tip off 9l to autolink.
    165  */
    166 #define AUTOLIB(x)	static int __p9l_autolib_ ## x = 1;
    167 #define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x = 1;
    168 
    169 /*
    170  * Gcc is too smart for its own good.
    171  */
    172 #if defined(__GNUC__)
    173 #	undef strcmp	/* causes way too many warnings */
    174 #	if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
    175 #		undef AUTOLIB
    176 #		define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
    177 #		undef AUTOFRAMEWORK
    178 #		define AUTOFRAMEWORK(x) int __p9l_autoframework_ ## x __attribute__ ((weak));
    179 #	else
    180 #		undef AUTOLIB
    181 #		define AUTOLIB(x) static int __p9l_autolib_ ## x __attribute__ ((unused));
    182 #		undef AUTOFRAMEWORK
    183 #		define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x __attribute__ ((unused));
    184 #	endif
    185 #endif
    186 
    187 #if defined(__cplusplus)
    188 }
    189 #endif
    190 #endif