1 // See ../src/lib9/LICENSE
2 
3 #ifndef _U_H_
4 #define _U_H_ 1
5 #if defined(__cplusplus)
6 extern "C" {
7 #endif
8 
9 #define __BSD_VISIBLE 1 /* FreeBSD 5.x */
10 #if defined(__sun__)
11 #	define __EXTENSIONS__ 1 /* SunOS */
12 #	if defined(__SunOS5_6__) || defined(__SunOS5_7__) || defined(__SunOS5_8__) || defined(__SunOS5_9__) || defined(__SunOS5_10__)
13 		/* NOT USING #define __MAKECONTEXT_V2_SOURCE 1 / * SunOS */
14 #	else
15 		/* What's left? */
16 #		define __MAKECONTEXT_V2_SOURCE 1
17 #	endif
18 #endif
19 #define _BSD_SOURCE 1
20 #define _NETBSD_SOURCE 1	/* NetBSD */
21 #define _SVID_SOURCE 1
22 #if !defined(__APPLE__) && !defined(__OpenBSD__)
23 #	define _XOPEN_SOURCE 1000
24 #	define _XOPEN_SOURCE_EXTENDED 1
25 #endif
26 #if defined(__FreeBSD__)
27 #	include <sys/cdefs.h>
28 	/* for strtoll */
29 #	undef __ISO_C_VISIBLE
30 #	define __ISO_C_VISIBLE 1999
31 #	undef __LONG_LONG_SUPPORTED
32 #	define __LONG_LONG_SUPPORTED
33 #endif
34 #if defined(__AIX__)
35 #	define _XOPEN_SOURCE 1
36 #endif
37 #if defined(__APPLE__)
38 #	define _DARWIN_NO_64_BIT_INODE	/* Snow Leopard */
39 #endif
40 #define _LARGEFILE64_SOURCE 1
41 #define _FILE_OFFSET_BITS 64
42 
43 #include <inttypes.h>
44 
45 #include <unistd.h>
46 #include <string.h>
47 #include <stdlib.h>
48 #include <stdarg.h>
49 #include <fcntl.h>
50 #include <assert.h>
51 #include <setjmp.h>
52 #include <stddef.h>
53 #include <math.h>
54 #include <ctype.h>	/* for tolower */
55 
56 /*
57  * OS-specific crap
58  */
59 #define _NEEDUCHAR 1
60 #define _NEEDUSHORT 1
61 #define _NEEDUINT 1
62 #define _NEEDULONG 1
63 
64 typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
65 
66 #if defined(__linux__)
67 #	include <sys/types.h>
68 #	if defined(__Linux26__)
69 #		include <pthread.h>
70 #		define PLAN9PORT_USING_PTHREADS 1
71 #	endif
72 #	if defined(__USE_MISC)
73 #		undef _NEEDUSHORT
74 #		undef _NEEDUINT
75 #		undef _NEEDULONG
76 #	endif
77 #elif defined(__sun__)
78 #	include <sys/types.h>
79 #	include <pthread.h>
80 #	define PLAN9PORT_USING_PTHREADS 1
81 #	undef _NEEDUSHORT
82 #	undef _NEEDUINT
83 #	undef _NEEDULONG
84 #	define nil 0	/* no cast to void* */
85 #elif defined(__FreeBSD__)
86 #	include <sys/types.h>
87 #	include <osreldate.h>
88 #	if __FreeBSD_version >= 500000
89 #		define PLAN9PORT_USING_PTHREADS 1
90 #		include <pthread.h>
91 #	endif
92 #	if !defined(_POSIX_SOURCE)
93 #		undef _NEEDUSHORT
94 #		undef _NEEDUINT
95 #	endif
96 #elif defined(__APPLE__)
97 #	include <sys/types.h>
98 #	include <pthread.h>
99 #	define PLAN9PORT_USING_PTHREADS 1
100 #	if __GNUC__ < 4
101 #		undef _NEEDUSHORT
102 #		undef _NEEDUINT
103 #	endif
104 #	undef _ANSI_SOURCE
105 #	undef _POSIX_C_SOURCE
106 #	undef _XOPEN_SOURCE
107 #	if !defined(NSIG)
108 #		define NSIG 32
109 #	endif
110 #	define _NEEDLL 1
111 #elif defined(__NetBSD__)
112 #	include <sched.h>
113 #	include <sys/types.h>
114 #	undef _NEEDUSHORT
115 #	undef _NEEDUINT
116 #	undef _NEEDULONG
117 #elif defined(__OpenBSD__)
118 #	include <sys/types.h>
119 #	include <pthread.h>
120 #	define PLAN9PORT_USING_PTHREADS 1
121 #	undef _NEEDUSHORT
122 #	undef _NEEDUINT
123 #	undef _NEEDULONG
124 #else
125 	/* No idea what system this is -- try some defaults */
126 #	include <pthread.h>
127 #	define PLAN9PORT_USING_PTHREADS 1
128 #endif
129 
130 #ifndef O_DIRECT
131 #define O_DIRECT 0
132 #endif
133 
134 typedef signed char schar;
135 
136 #ifdef _NEEDUCHAR
137 	typedef unsigned char uchar;
138 #endif
139 #ifdef _NEEDUSHORT
140 	typedef unsigned short ushort;
141 #endif
142 #ifdef _NEEDUINT
143 	typedef unsigned int uint;
144 #endif
145 #ifdef _NEEDULONG
146 	typedef unsigned long ulong;
147 #endif
148 typedef unsigned long long uvlong;
149 typedef long long vlong;
150 
151 typedef uvlong u64int;
152 typedef vlong s64int;
153 typedef uint8_t u8int;
154 typedef int8_t s8int;
155 typedef uint16_t u16int;
156 typedef int16_t s16int;
157 typedef uintptr_t uintptr;
158 typedef intptr_t intptr;
159 typedef uint u32int;
160 typedef int s32int;
161 
162 typedef u32int uint32;
163 typedef s32int int32;
164 typedef u16int uint16;
165 typedef s16int int16;
166 typedef u64int uint64;
167 typedef s64int int64;
168 typedef u8int uint8;
169 typedef s8int int8;
170 
171 #undef _NEEDUCHAR
172 #undef _NEEDUSHORT
173 #undef _NEEDUINT
174 #undef _NEEDULONG
175 
176 /*
177  * Funny-named symbols to tip off 9l to autolink.
178  */
179 #define AUTOLIB(x)	static int __p9l_autolib_ ## x = 1;
180 #define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x = 1;
181 
182 /*
183  * Gcc is too smart for its own good.
184  */
185 #if defined(__GNUC__)
186 #	undef strcmp	/* causes way too many warnings */
187 #	if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
188 #		undef AUTOLIB
189 #		define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
190 #		undef AUTOFRAMEWORK
191 #		define AUTOFRAMEWORK(x) int __p9l_autoframework_ ## x __attribute__ ((weak));
192 #	else
193 #		undef AUTOLIB
194 #		define AUTOLIB(x) static int __p9l_autolib_ ## x __attribute__ ((unused));
195 #		undef AUTOFRAMEWORK
196 #		define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x __attribute__ ((unused));
197 #	endif
198 #endif
199 
200 #if defined(__cplusplus)
201 }
202 #endif
203 #endif