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port.h
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1 /*
2  * Wine porting definitions
3  *
4  * Copyright 1996 Alexandre Julliard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #ifndef __WINE_WINE_PORT_H
22 #define __WINE_WINE_PORT_H
23 
24 #ifndef __WINE_CONFIG_H
25 # error You must include config.h to use this header
26 #endif
27 
28 #ifndef _GNU_SOURCE
29 # define _GNU_SOURCE /* for pread/pwrite, isfinite */
30 #endif
31 #include <fcntl.h>
32 #include <math.h>
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #ifdef HAVE_DIRECT_H
36 # include <direct.h>
37 #endif
38 #ifdef HAVE_IO_H
39 # include <io.h>
40 #endif
41 #ifdef HAVE_PROCESS_H
42 # include <process.h>
43 #endif
44 #include <string.h>
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48 
49 
50 /****************************************************************
51  * Type definitions
52  */
53 
54 #if !defined(_MSC_VER) && !defined(__int64)
55 # if defined(__x86_64__) || defined(_WIN64)
56 # define __int64 long
57 # else
58 # define __int64 long long
59 # endif
60 #endif
61 
62 #if !defined(HAVE_MODE_T) && !defined(_MODE_T)
63 typedef int mode_t;
64 #endif
65 #if !defined(HAVE_OFF_T) && !defined(_OFF_T)
66 typedef long off_t;
67 #endif
68 #if !defined(HAVE_PID_T) && !defined(_PID_T)
69 typedef int pid_t;
70 #endif
71 #if !defined(HAVE_SIZE_T) && !defined(_SIZE_T)
72 typedef unsigned int size_t;
73 #endif
74 #if !defined(HAVE_SSIZE_T) && !defined(_SSIZE_T)
75 typedef int ssize_t;
76 #endif
77 //#ifndef HAVE_SOCKLEN_T
78 //typedef unsigned int socklen_t;
79 //#endif
80 
81 #ifndef HAVE_STATFS
82 # ifdef __BEOS__
83 # define HAVE_STRUCT_STATFS_F_BFREE
84 struct statfs {
85  long f_bsize; /* block_size */
86  long f_blocks; /* total_blocks */
87  long f_bfree; /* free_blocks */
88 };
89 # else /* defined(__BEOS__) */
90 struct statfs;
91 # endif /* defined(__BEOS__) */
92 #endif /* !defined(HAVE_STATFS) */
93 
94 
95 /****************************************************************
96  * Macro definitions
97  */
98 
99 #ifdef HAVE_DLFCN_H
100 #include <dlfcn.h>
101 #else
102 #define RTLD_LAZY 0x001
103 #define RTLD_NOW 0x002
104 #define RTLD_GLOBAL 0x100
105 #endif
106 
107 #if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
108 #define ftruncate chsize
109 #endif
110 
111 #if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
112 #define popen _popen
113 #endif
114 
115 #if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
116 #define pclose _pclose
117 #endif
118 
119 #if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
120 #define snprintf _snprintf
121 #endif
122 
123 #if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
124 #define vsnprintf _vsnprintf
125 #endif
126 
127 #ifndef S_ISLNK
128 # define S_ISLNK(mod) (0)
129 #endif /* S_ISLNK */
130 
131 /* So we open files in 64 bit access mode on Linux */
132 #ifndef O_LARGEFILE
133 # define O_LARGEFILE 0
134 #endif
135 
136 #ifndef O_BINARY
137 # define O_BINARY 0
138 #endif
139 
140 /****************************************************************
141  * Constants
142  */
143 
144 #ifndef M_PI
145 #define M_PI 3.14159265358979323846
146 #endif
147 
148 #ifndef M_PI_2
149 #define M_PI_2 1.570796326794896619
150 #endif
151 
152 #ifndef M_PI_4
153 #define M_PI_4 0.785398163397448309616
154 #endif
155 
156 #ifndef INFINITY
157 static inline float __port_infinity(void)
158 {
159  static const unsigned __inf_bytes = 0x7f800000;
160  return *(const float *)&__inf_bytes;
161 }
162 #define INFINITY __port_infinity()
163 #endif
164 
165 #ifndef NAN
166 static inline float __port_nan(void)
167 {
168  static const unsigned __nan_bytes = 0x7fc00000;
169  return *(const float *)&__nan_bytes;
170 }
171 #define NAN __port_nan()
172 #endif
173 
174 /* Constructor functions */
175 
176 #ifdef _MSC_VER
177 # define DECL_GLOBAL_CONSTRUCTOR(func) /* nothing */
178 #elif defined(__GNUC__)
179 # define DECL_GLOBAL_CONSTRUCTOR(func) \
180  static void func(void) __attribute__((constructor)); \
181  static void func(void)
182 #elif defined(__i386__)
183 # define DECL_GLOBAL_CONSTRUCTOR(func) \
184  static void __dummy_init_##func(void) { \
185  asm(".section .init,\"ax\"\n\t" \
186  "call " #func "\n\t" \
187  ".previous"); } \
188  static void func(void)
189 #elif defined(__sparc__)
190 # define DECL_GLOBAL_CONSTRUCTOR(func) \
191  static void __dummy_init_##func(void) { \
192  asm("\t.section \".init\",#alloc,#execinstr\n" \
193  "\tcall " #func "\n" \
194  "\tnop\n" \
195  "\t.section \".text\",#alloc,#execinstr\n" ); } \
196  static void func(void)
197 #elif defined(_M_AMD64)
198 #pragma message("You must define the DECL_GLOBAL_CONSTRUCTOR macro for amd64")
199 #else
200 # error You must define the DECL_GLOBAL_CONSTRUCTOR macro for your platform
201 #endif
202 
203 
204 /* Register functions */
205 
206 #ifdef __i386__
207 #define DEFINE_REGS_ENTRYPOINT( name, fn, args, pop_args ) \
208  __ASM_GLOBAL_FUNC( name, \
209  "call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
210  ".long " __ASM_NAME(#fn) "\n\t" \
211  ".byte " #args "," #pop_args )
212 /* FIXME: add support for other CPUs */
213 #endif /* __i386__ */
214 
215 
216 /****************************************************************
217  * Function definitions (only when using libwine_port)
218  */
219 
220 #ifndef NO_LIBWINE_PORT
221 
222 #ifndef HAVE_GETOPT_LONG
223 extern char *optarg;
224 extern int optind;
225 extern int opterr;
226 extern int optopt;
227 struct option;
228 
229 #ifndef HAVE_STRUCT_OPTION_NAME
230 struct option
231 {
232  const char *name;
233  int has_arg;
234  int *flag;
235  int val;
236 };
237 #endif
238 
239 extern int getopt_long (int ___argc, char *const *___argv,
240  const char *__shortopts,
241  const struct option *__longopts, int *__longind);
242 extern int getopt_long_only (int ___argc, char *const *___argv,
243  const char *__shortopts,
244  const struct option *__longopts, int *__longind);
245 #endif /* HAVE_GETOPT_LONG */
246 
247 #ifndef HAVE_GETPAGESIZE
248 size_t getpagesize(void);
249 #endif /* HAVE_GETPAGESIZE */
250 
251 #if !defined(HAVE_ISFINITE) && !defined(isfinite)
252 int isfinite(double x);
253 #endif
254 
255 #if !defined(HAVE_ISINF) && !defined(isinf)
256 int isinf(double x);
257 #endif
258 
259 #if !defined(HAVE_ISNAN) && !defined(isnan)
260 int isnan(double x);
261 #endif
262 
263 #ifndef HAVE_LSTAT
264 int lstat(const char *file_name, struct stat *buf);
265 #endif /* HAVE_LSTAT */
266 
267 #ifndef HAVE_MEMMOVE
268 void *memmove(void *dest, const void *src, size_t len);
269 #endif /* !defined(HAVE_MEMMOVE) */
270 
271 #ifndef __REACTOS__
272 #ifndef HAVE_PREAD
273 ssize_t pread( int fd, void *buf, size_t count, off_t offset );
274 #endif /* HAVE_PREAD */
275 
276 #ifndef HAVE_PWRITE
277 ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
278 #endif /* HAVE_PWRITE */
279 #endif /* __REACTOS__ */
280 
281 #ifdef _WIN32
282 #ifndef HAVE_SIGSETJMP
283 # include <setjmp.h>
284 typedef jmp_buf sigjmp_buf;
285 int sigsetjmp( sigjmp_buf buf, int savesigs );
286 void siglongjmp( sigjmp_buf buf, int val );
287 #endif /* HAVE_SIGSETJMP */
288 #endif
289 
290 #ifndef HAVE_STATFS
291 int statfs(const char *name, struct statfs *info);
292 #endif /* !defined(HAVE_STATFS) */
293 
294 #ifndef HAVE_STRNCASECMP
295 # ifndef HAVE__STRNICMP
296 int strncasecmp(const char *str1, const char *str2, size_t n);
297 # else
298 # define strncasecmp _strnicmp
299 # endif
300 #endif /* !defined(HAVE_STRNCASECMP) */
301 
302 #ifndef HAVE_STRERROR
303 const char *strerror(int err);
304 #endif /* !defined(HAVE_STRERROR) */
305 
306 #ifndef HAVE_STRCASECMP
307 # ifndef HAVE__STRICMP
308 int strcasecmp(const char *str1, const char *str2);
309 # else
310 # define strcasecmp _stricmp
311 # endif
312 #endif /* !defined(HAVE_STRCASECMP) */
313 
314 #if !defined(HAVE_USLEEP) && !defined(__CYGWIN__)
315 int usleep (unsigned int useconds);
316 #endif /* !defined(HAVE_USLEEP) */
317 
318 #ifdef __i386__
319 static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
320 {
321  return memcpy( dst, src, size );
322 }
323 #else
324 extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
325 #endif /* __i386__ */
326 
327 extern int mkstemps(char *template, int suffix_len);
328 
329 /* Process creation flags */
330 #ifndef _P_WAIT
331 # define _P_WAIT 0
332 # define _P_NOWAIT 1
333 # define _P_OVERLAY 2
334 # define _P_NOWAITO 3
335 # define _P_DETACH 4
336 #endif
337 #ifndef HAVE_SPAWNVP
338 extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
339 #endif
340 
341 /* Interlocked functions */
342 
343 #if defined(_MSC_VER) || (defined(__i386__) && defined(__GNUC__) && !defined(WINE_PORT_NO_INTERLOCKED))
344 
345 #define interlocked_cmpxchg InterlockedCompareExchange
346 #define interlocked_cmpxchg_ptr InterlockedCompareExchangePointer
347 #define interlocked_xchg InterlockedExchange
348 #define interlocked_xchg_ptr InterlockedExchangePointer
349 #define interlocked_xchg_add InterlockedExchangeAdd
350 
351 
352 #endif /* __i386___ && __GNUC__ */
353 
354 #if defined(_MSC_VER) && !defined(__clang__)
355 __forceinline
356 int
357 ffs(int mask)
358 {
359  long index;
360  if (_BitScanForward(&index, mask) == 0) return 0;
361  return index;
362 }
363 #else
364 #define ffs __builtin_ffs
365 #endif
366 
367 #else /* NO_LIBWINE_PORT */
368 
369 #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
370 
371 #define getopt_long __WINE_NOT_PORTABLE(getopt_long)
372 #define getopt_long_only __WINE_NOT_PORTABLE(getopt_long_only)
373 #define getpagesize __WINE_NOT_PORTABLE(getpagesize)
374 #define lstat __WINE_NOT_PORTABLE(lstat)
375 #define memcpy_unaligned __WINE_NOT_PORTABLE(memcpy_unaligned)
376 #define memmove __WINE_NOT_PORTABLE(memmove)
377 #define pread __WINE_NOT_PORTABLE(pread)
378 #define pwrite __WINE_NOT_PORTABLE(pwrite)
379 #define spawnvp __WINE_NOT_PORTABLE(spawnvp)
380 #define statfs __WINE_NOT_PORTABLE(statfs)
381 #define strcasecmp __WINE_NOT_PORTABLE(strcasecmp)
382 #define strerror __WINE_NOT_PORTABLE(strerror)
383 #define strncasecmp __WINE_NOT_PORTABLE(strncasecmp)
384 #define usleep __WINE_NOT_PORTABLE(usleep)
385 
386 #endif /* NO_LIBWINE_PORT */
387 
388 #endif /* !defined(__WINE_WINE_PORT_H) */
jmp_buf sigjmp_buf
Definition: port.h:324
unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask)
Definition: intrin_arm.h:57
int val
Definition: getopt.h:115
int optind
Definition: getopt.c:47
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
int usleep(unsigned int useconds)
GLuint GLuint GLsizei count
Definition: gl.h:1545
ssize_t pread(int fd, void *buf, size_t count, off_t offset)
__kernel_off_t off_t
Definition: linux.h:201
ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset)
GLintptr offset
Definition: glext.h:5920
int * flag
Definition: getopt.h:114
GLdouble n
Definition: glext.h:7729
int ssize_t
Definition: port.h:65
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
static int fd
Definition: io.c:51
int optopt
Definition: getopt.c:47
int spawnvp(int mode, const char *cmdname, const char *const argv[])
#define argv
Definition: mplay32.c:18
int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
const char * strerror(int err)
Definition: compat_str.c:23
int strcasecmp(const char *str1, const char *str2)
GLenum GLint GLuint mask
Definition: glext.h:6028
WCHAR * name
Definition: getopt.h:110
void * memmove(void *dest, const void *src, size_t len)
Definition: memmove.c:4
Definition: getopt.h:108
GLuint index
Definition: glext.h:6031
GLuint GLfloat * val
Definition: glext.h:7180
int getopt_long(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
Definition: getopt.c:283
void siglongjmp(sigjmp_buf buf, int val)
GLsizeiptr size
Definition: glext.h:5919
long off_t
Definition: port.h:56
int isinf(double x)
int sigsetjmp(sigjmp_buf buf, int savesigs)
#define ffs
Definition: port.h:364
char * optarg
Definition: getopt.c:49
#define index(s, c)
Definition: various.h:29
Definition: stat.h:55
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
GLenum GLsizei len
Definition: glext.h:6722
int ssize_t
Definition: rosdhcp.h:48
GLenum src
Definition: glext.h:6340
#define err(...)
int isfinite(double x)
GLenum mode
Definition: glext.h:6217
int mode_t
Definition: port.h:53
size_t getpagesize(void)
int statfs(const char *name, struct statfs *info)
int isnan(double x)
void * memcpy_unaligned(void *dst, const void *src, size_t size)
GLenum GLenum dst
Definition: glext.h:6340
int mkstemps(char *template, int suffix_len)
Definition: mkstemps.c:73
int opterr
Definition: getopt.c:46
static float __port_nan(void)
Definition: port.h:166
static LPCWSTR file_name
Definition: protocol.c:147
int strncasecmp(const char *str1, const char *str2, size_t n)
Definition: name.c:38
static char * dest
Definition: rtl.c:135
int has_arg
Definition: getopt.h:113
long jmp_buf[100]
Definition: of.h:11
static float __port_infinity(void)
Definition: port.h:157
unsigned int size_t
Definition: port.h:62
int lstat(const char *file_name, struct stat *buf)
int pid_t
Definition: port.h:59