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 #define _LARGEFILE64_SOURCE 1
33 #define _FILE_OFFSET_BITS 64
34 
35 #include <inttypes.h>
36 
37 #include <unistd.h>
38 #include <string.h>
39 #include <stdlib.h>
40 #include <stdarg.h>
41 #include <fcntl.h>
42 #include <assert.h>
43 #include <setjmp.h>
44 #include <stddef.h>
45 #include <math.h>
46 #include <ctype.h>	/* for tolower */
47 
48 /*
49  * OS-specific crap
50  */
51 #define _NEEDUCHAR 1
52 #define _NEEDUSHORT 1
53 #define _NEEDUINT 1
54 #define _NEEDULONG 1
55 
56 typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
57 
58 #if defined(__linux__)
59 #	include <sys/types.h>
60 #	if defined(__Linux26__)
61 #		include <pthread.h>
62 #		define PLAN9PORT_USING_PTHREADS 1
63 #	endif
64 #	if defined(__USE_MISC)
65 #		undef _NEEDUSHORT
66 #		undef _NEEDUINT
67 #		undef _NEEDULONG
68 #	endif
69 #elif defined(__sun__)
70 #	include <sys/types.h>
71 #	include <pthread.h>
72 #	define PLAN9PORT_USING_PTHREADS 1
73 #	undef _NEEDUSHORT
74 #	undef _NEEDUINT
75 #	undef _NEEDULONG
76 #	define nil 0	/* no cast to void* */
77 #elif defined(__FreeBSD__)
78 #	include <sys/types.h>
79 #	include <osreldate.h>
80 #	if __FreeBSD_version >= 500000
81 #		define PLAN9PORT_USING_PTHREADS 1
82 #		include <pthread.h>
83 #	endif
84 #	if !defined(_POSIX_SOURCE)
85 #		undef _NEEDUSHORT
86 #		undef _NEEDUINT
87 #	endif
88 #elif defined(__APPLE__)
89 #	include <sys/types.h>
90 #	include <pthread.h>
91 #	define PLAN9PORT_USING_PTHREADS 1
92 #	if __GNUC__ < 4
93 #		undef _NEEDUSHORT
94 #		undef _NEEDUINT
95 #	endif
96 #	undef _ANSI_SOURCE
97 #	undef _POSIX_C_SOURCE
98 #	undef _XOPEN_SOURCE
99 #	if !defined(NSIG)
100 #		define NSIG 32
101 #	endif
102 #	define _NEEDLL 1
103 #elif defined(__NetBSD__)
104 #	include <sched.h>
105 #	include <sys/types.h>
106 #	undef _NEEDUSHORT
107 #	undef _NEEDUINT
108 #	undef _NEEDULONG
109 #elif defined(__OpenBSD__)
110 #	include <sys/types.h>
111 #	undef _NEEDUSHORT
112 #	undef _NEEDUINT
113 #	undef _NEEDULONG
114 #else
115 	/* No idea what system this is -- try some defaults */
116 #	include <pthread.h>
117 #	define PLAN9PORT_USING_PTHREADS 1
118 #endif
119 
120 #ifndef O_DIRECT
121 #define O_DIRECT 0
122 #endif
123 
124 typedef signed char schar;
125 
126 #ifdef _NEEDUCHAR
127 	typedef unsigned char uchar;
128 #endif
129 #ifdef _NEEDUSHORT
130 	typedef unsigned short ushort;
131 #endif
132 #ifdef _NEEDUINT
133 	typedef unsigned int uint;
134 #endif
135 #ifdef _NEEDULONG
136 	typedef unsigned long ulong;
137 #endif
138 typedef unsigned long long uvlong;
139 typedef long long vlong;
140 
141 typedef uint64_t u64int;
142 typedef int64_t s64int;
143 typedef uint8_t u8int;
144 typedef int8_t s8int;
145 typedef uint16_t u16int;
146 typedef int16_t s16int;
147 typedef uintptr_t uintptr;
148 typedef intptr_t intptr;
149 typedef uint32_t u32int;
150 typedef int32_t s32int;
151 
152 #undef _NEEDUCHAR
153 #undef _NEEDUSHORT
154 #undef _NEEDUINT
155 #undef _NEEDULONG
156 
157 /*
158  * Funny-named symbols to tip off 9l to autolink.
159  */
160 #define AUTOLIB(x)	static int __p9l_autolib_ ## x = 1;
161 #define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x = 1;
162 
163 /*
164  * Gcc is too smart for its own good.
165  */
166 #if defined(__GNUC__)
167 #	undef strcmp	/* causes way too many warnings */
168 #	if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
169 #		undef AUTOLIB
170 #		define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
171 #		undef AUTOFRAMEWORK
172 #		define AUTOFRAMEWORK(x) int __p9l_autoframework_ ## x __attribute__ ((weak));
173 #	else
174 #		undef AUTOLIB
175 #		define AUTOLIB(x) static int __p9l_autolib_ ## x __attribute__ ((unused));
176 #		undef AUTOFRAMEWORK
177 #		define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x __attribute__ ((unused));
178 #	endif
179 #endif
180 
181 #if defined(__cplusplus)
182 }
183 #endif
184 #endif