u.h - 9base - revived minimalist port of Plan 9 userland to Unix
(HTM) git clone git://git.suckless.org/9base
(DIR) Log
(DIR) Files
(DIR) Refs
(DIR) README
(DIR) LICENSE
---
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