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