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 #define _DEFAULT_SOURCE 1
23 #if !defined(__APPLE__) && !defined(__OpenBSD__)
24 #	define _XOPEN_SOURCE 1000
25 #	define _XOPEN_SOURCE_EXTENDED 1
26 #endif
27 #if defined(__FreeBSD__)
28 #	include <sys/cdefs.h>
29 	/* for strtoll */
30 #	undef __ISO_C_VISIBLE
31 #	define __ISO_C_VISIBLE 1999
32 #	undef __LONG_LONG_SUPPORTED
33 #	define __LONG_LONG_SUPPORTED
34 #endif
35 #if defined(__AIX__)
36 #	define _XOPEN_SOURCE 1
37 #endif
38 #if defined(__APPLE__)
39 #	define _DARWIN_NO_64_BIT_INODE	/* Snow Leopard */
40 #endif
41 #define _LARGEFILE64_SOURCE 1
42 #define _FILE_OFFSET_BITS 64
43 
44 #include <inttypes.h>
45 
46 #include <unistd.h>
47 #include <string.h>
48 #include <stdlib.h>
49 #include <stdarg.h>
50 #include <fcntl.h>
51 #include <assert.h>
52 #include <setjmp.h>
53 #include <stddef.h>
54 #include <math.h>
55 #include <ctype.h>	/* for tolower */
56 
57 /*
58  * OS-specific crap
59  */
60 #define _NEEDUCHAR 1
61 #define _NEEDUSHORT 1
62 #define _NEEDUINT 1
63 #define _NEEDULONG 1
64 
65 typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
66 
67 #if defined(__linux__)
68 #	include <sys/types.h>
69 #	if defined(__Linux26__)
70 #		include <pthread.h>
71 #		define PLAN9PORT_USING_PTHREADS 1
72 #	endif
73 #	if defined(__USE_MISC)
74 #		undef _NEEDUSHORT
75 #		undef _NEEDUINT
76 #		undef _NEEDULONG
77 #	endif
78 #elif defined(__sun__)
79 #	include <sys/types.h>
80 #	include <pthread.h>
81 #	define PLAN9PORT_USING_PTHREADS 1
82 #	undef _NEEDUSHORT
83 #	undef _NEEDUINT
84 #	undef _NEEDULONG
85 #	define nil 0	/* no cast to void* */
86 #elif defined(__FreeBSD__)
87 #	include <sys/types.h>
88 #	include <osreldate.h>
89 #	if __FreeBSD_version >= 500000
90 #		define PLAN9PORT_USING_PTHREADS 1
91 #		include <pthread.h>
92 #	endif
93 #	if !defined(_POSIX_SOURCE)
94 #		undef _NEEDUSHORT
95 #		undef _NEEDUINT
96 #	endif
97 #elif defined(__APPLE__)
98 #	include <sys/types.h>
99 #	include <pthread.h>
100 #	define PLAN9PORT_USING_PTHREADS 1
101 #	if __GNUC__ < 4
102 #		undef _NEEDUSHORT
103 #		undef _NEEDUINT
104 #	endif
105 #	undef _ANSI_SOURCE
106 #	undef _POSIX_C_SOURCE
107 #	undef _XOPEN_SOURCE
108 #	if !defined(NSIG)
109 #		define NSIG 32
110 #	endif
111 #	define _NEEDLL 1
112 #elif defined(__NetBSD__)
113 #	include <sched.h>
114 #	include <sys/types.h>
115 #	undef _NEEDUSHORT
116 #	undef _NEEDUINT
117 #	undef _NEEDULONG
118 #elif defined(__OpenBSD__)
119 #	include <sys/types.h>
120 #	include <pthread.h>
121 #	define PLAN9PORT_USING_PTHREADS 1
122 #	undef _NEEDUSHORT
123 #	undef _NEEDUINT
124 #	undef _NEEDULONG
125 #else
126 	/* No idea what system this is -- try some defaults */
127 #	include <pthread.h>
128 #	define PLAN9PORT_USING_PTHREADS 1
129 #endif
130 
131 #ifndef O_DIRECT
132 #define O_DIRECT 0
133 #endif
134 
135 typedef signed char schar;
136 
137 #ifdef _NEEDUCHAR
138 	typedef unsigned char uchar;
139 #endif
140 #ifdef _NEEDUSHORT
141 	typedef unsigned short ushort;
142 #endif
143 #ifdef _NEEDUINT
144 	typedef unsigned int uint;
145 #endif
146 #ifdef _NEEDULONG
147 	typedef unsigned long ulong;
148 #endif
149 typedef unsigned long long uvlong;
150 typedef long long vlong;
151 
152 typedef uvlong u64int;
153 typedef vlong s64int;
154 typedef uint8_t u8int;
155 typedef int8_t s8int;
156 typedef uint16_t u16int;
157 typedef int16_t s16int;
158 typedef uintptr_t uintptr;
159 typedef intptr_t intptr;
160 typedef uint u32int;
161 typedef int s32int;
162 
163 typedef u32int uint32;
164 typedef s32int int32;
165 typedef u16int uint16;
166 typedef s16int int16;
167 typedef u64int uint64;
168 typedef s64int int64;
169 typedef u8int uint8;
170 typedef s8int int8;
171 
172 #undef _NEEDUCHAR
173 #undef _NEEDUSHORT
174 #undef _NEEDUINT
175 #undef _NEEDULONG
176 
177 /*
178  * Funny-named symbols to tip off 9l to autolink.
179  */
180 #define AUTOLIB(x)	static int __p9l_autolib_ ## x = 1;
181 #define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x = 1;
182 
183 /*
184  * Gcc is too smart for its own good.
185  */
186 #if defined(__GNUC__)
187 #	undef strcmp	/* causes way too many warnings */
188 #	if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
189 #		undef AUTOLIB
190 #		define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
191 #		undef AUTOFRAMEWORK
192 #		define AUTOFRAMEWORK(x) int __p9l_autoframework_ ## x __attribute__ ((weak));
193 #	else
194 #		undef AUTOLIB
195 #		define AUTOLIB(x) static int __p9l_autolib_ ## x __attribute__ ((unused));
196 #		undef AUTOFRAMEWORK
197 #		define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x __attribute__ ((unused));
198 #	endif
199 #endif
200 
201 #if defined(__cplusplus)
202 }
203 #endif
204 #endif