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 #ifdef __WINE_BASETSD_H
29 # error You must include port.h before all other headers
30 #endif
31
32 #define _FILE_OFFSET_BITS 64
33 #define _GNU_SOURCE /* for pread/pwrite */
34 #include <fcntl.h>
35 #include <math.h>
36 #include <sys/types.h>
37 #include <sys/stat.h>
38 #ifdef HAVE_DIRECT_H
39 # include <direct.h>
40 #endif
41 #ifdef HAVE_IO_H
42 # include <io.h>
43 #endif
44 #ifdef HAVE_PROCESS_H
45 # include <process.h>
46 #endif
47 #include <string.h>
48 #ifdef HAVE_UNISTD_H
49 # include <unistd.h>
50 #endif
51
52
53 /****************************************************************
54 * Type definitions
55 */
56
57 #if !defined(_MSC_VER) && !defined(__int64)
58 # if defined(__x86_64__) || defined(_WIN64)
59 # define __int64 long
60 # else
61 # define __int64 long long
62 # endif
63 #endif
64
65 #ifndef HAVE_MODE_T
66 typedef int mode_t;
67 #endif
68 #ifndef HAVE_OFF_T
69 typedef long off_t;
70 #endif
71 #ifndef HAVE_PID_T
72 typedef int pid_t;
73 #endif
74 #ifndef HAVE_SIZE_T
75 typedef unsigned int size_t;
76 #endif
77 #ifndef HAVE_SSIZE_T
78 typedef int ssize_t;
79 #endif
80 #ifndef HAVE_FSBLKCNT_T
81 typedef unsigned long fsblkcnt_t;
82 #endif
83 #ifndef HAVE_FSFILCNT_T
84 typedef unsigned long fsfilcnt_t;
85 #endif
86
87 #ifndef HAVE_STRUCT_STATVFS_F_BLOCKS
88 struct statvfs
89 {
90 unsigned long f_bsize;
91 unsigned long f_frsize;
92 fsblkcnt_t f_blocks;
93 fsblkcnt_t f_bfree;
94 fsblkcnt_t f_bavail;
95 fsfilcnt_t f_files;
96 fsfilcnt_t f_ffree;
97 fsfilcnt_t f_favail;
98 unsigned long f_fsid;
99 unsigned long f_flag;
100 unsigned long f_namemax;
101 };
102 #endif /* HAVE_STRUCT_STATVFS_F_BLOCKS */
103
104
105 /****************************************************************
106 * Macro definitions
107 */
108
109 #ifdef HAVE_DLFCN_H
110 #include <dlfcn.h>
111 #else
112 #define RTLD_LAZY 0x001
113 #define RTLD_NOW 0x002
114 #define RTLD_GLOBAL 0x100
115 #endif
116
117 #if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
118 #define ftruncate chsize
119 #endif
120
121 #if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
122 #define popen _popen
123 #endif
124
125 #if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
126 #define pclose _pclose
127 #endif
128
129 #if !defined(HAVE_STRDUP) && defined(HAVE__STRDUP)
130 #define strdup _strdup
131 #endif
132
133 #if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
134 #define snprintf _snprintf
135 #endif
136
137 #if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
138 #define vsnprintf _vsnprintf
139 #endif
140
141 #if !defined(HAVE_STRTOLL) && defined(HAVE__STRTOI64)
142 #define strtoll _strtoi64
143 #endif
144
145 #if !defined(HAVE_STRTOULL) && defined(HAVE__STRTOUI64)
146 #define strtoull _strtoui64
147 #endif
148
149 #ifndef S_ISLNK
150 # define S_ISLNK(mod) (0)
151 #endif
152
153 #ifndef S_ISSOCK
154 # define S_ISSOCK(mod) (0)
155 #endif
156
157 #ifndef S_ISDIR
158 # define S_ISDIR(mod) (((mod) & _S_IFMT) == _S_IFDIR)
159 #endif
160
161 #ifndef S_ISCHR
162 # define S_ISCHR(mod) (((mod) & _S_IFMT) == _S_IFCHR)
163 #endif
164
165 #ifndef S_ISFIFO
166 # define S_ISFIFO(mod) (((mod) & _S_IFMT) == _S_IFIFO)
167 #endif
168
169 #ifndef S_ISREG
170 # define S_ISREG(mod) (((mod) & _S_IFMT) == _S_IFREG)
171 #endif
172
173 #ifndef S_IWUSR
174 # define S_IWUSR 0
175 #endif
176
177 /* So we open files in 64 bit access mode on Linux */
178 #ifndef O_LARGEFILE
179 # define O_LARGEFILE 0
180 #endif
181
182 #ifndef O_NONBLOCK
183 # define O_NONBLOCK 0
184 #endif
185
186 #ifndef O_BINARY
187 # define O_BINARY 0
188 #endif
189
190 #if !defined(S_IXUSR) && defined(S_IEXEC)
191 # define S_IXUSR S_IEXEC
192 #endif
193 #if !defined(S_IXGRP) && defined(S_IEXEC)
194 # define S_IXGRP S_IEXEC
195 #endif
196 #if !defined(S_IXOTH) && defined(S_IEXEC)
197 # define S_IXOTH S_IEXEC
198 #endif
199
200
201 /****************************************************************
202 * Constants
203 */
204
205 #ifndef M_PI
206 #define M_PI 3.14159265358979323846
207 #endif
208
209 #ifndef M_PI_2
210 #define M_PI_2 1.570796326794896619
211 #endif
212
213
214 /* Macros to define assembler functions somewhat portably */
215
216 #if defined(__GNUC__) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(__APPLE__)
217 # define __ASM_GLOBAL_FUNC(name,code) \
218 __asm__( ".text\n\t" \
219 ".align 4\n\t" \
220 ".globl " __ASM_NAME(#name) "\n\t" \
221 __ASM_FUNC(#name) "\n" \
222 __ASM_NAME(#name) ":\n\t" \
223 code \
224 "\n\t.previous" );
225 #else /* defined(__GNUC__) && !defined(__MINGW32__) && !defined(__APPLE__) */
226 # define __ASM_GLOBAL_FUNC(name,code) \
227 void __asm_dummy_##name(void) { \
228 asm( ".align 4\n\t" \
229 ".globl " __ASM_NAME(#name) "\n\t" \
230 __ASM_FUNC(#name) "\n" \
231 __ASM_NAME(#name) ":\n\t" \
232 code ); \
233 }
234 #endif /* __GNUC__ */
235
236
237 /* Register functions */
238
239 #ifdef __i386__
240 #define DEFINE_REGS_ENTRYPOINT( name, args, pop_args ) \
241 __ASM_GLOBAL_FUNC( name, \
242 "pushl %eax\n\t" \
243 "call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
244 ".long " __ASM_NAME("__regs_") #name "-.\n\t" \
245 ".byte " #args "," #pop_args )
246 /* FIXME: add support for other CPUs */
247 #endif /* __i386__ */
248
249
250 /****************************************************************
251 * Function definitions (only when using libwine_port)
252 */
253
254 #ifndef NO_LIBWINE_PORT
255
256 #ifndef HAVE_FSTATVFS
257 int fstatvfs( int fd, struct statvfs *buf );
258 #endif
259
260 #ifndef HAVE_GETOPT_LONG
261 extern char *optarg;
262 extern int optind;
263 extern int opterr;
264 extern int optopt;
265 struct option;
266
267 #ifndef HAVE_STRUCT_OPTION_NAME
268 struct option
269 {
270 const char *name;
271 int has_arg;
272 int *flag;
273 int val;
274 };
275 #endif
276
277 extern int getopt_long (int ___argc, char *const *___argv,
278 const char *__shortopts,
279 const struct option *__longopts, int *__longind);
280 extern int getopt_long_only (int ___argc, char *const *___argv,
281 const char *__shortopts,
282 const struct option *__longopts, int *__longind);
283 #endif /* HAVE_GETOPT_LONG */
284
285 #ifndef HAVE_FFS
286 int ffs( int x );
287 #endif
288
289 #ifndef HAVE_FUTIMES
290 struct timeval;
291 int futimes(int fd, const struct timeval *tv);
292 #endif
293
294 #ifndef HAVE_GETPAGESIZE
295 size_t getpagesize(void);
296 #endif /* HAVE_GETPAGESIZE */
297
298 #ifndef HAVE_GETTID
299 pid_t gettid(void);
300 #endif /* HAVE_GETTID */
301
302 #ifndef HAVE_ISINF
303 int isinf(double x);
304 #endif
305
306 #ifndef HAVE_LSTAT
307 int lstat(const char *file_name, struct stat *buf);
308 #endif /* HAVE_LSTAT */
309
310 #ifndef HAVE_MEMMOVE
311 void *memmove(void *dest, const void *src, size_t len);
312 #endif /* !defined(HAVE_MEMMOVE) */
313
314 #ifndef HAVE_PREAD
315 ssize_t pread( int fd, void *buf, size_t count, off_t offset );
316 #endif /* HAVE_PREAD */
317
318 #ifndef HAVE_PWRITE
319 ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
320 #endif /* HAVE_PWRITE */
321
322 #ifndef HAVE_READLINK
323 int readlink( const char *path, char *buf, size_t size );
324 #endif /* HAVE_READLINK */
325
326 #ifndef HAVE_STATVFS
327 int statvfs( const char *path, struct statvfs *buf );
328 #endif
329
330 #ifndef HAVE_STRNCASECMP
331 # ifndef HAVE__STRNICMP
332 int strncasecmp(const char *str1, const char *str2, size_t n);
333 # else
334 # define strncasecmp _strnicmp
335 # endif
336 #endif /* !defined(HAVE_STRNCASECMP) */
337
338 #ifndef HAVE_STRERROR
339 const char *strerror(int err);
340 #endif /* !defined(HAVE_STRERROR) */
341
342 #ifndef HAVE_STRCASECMP
343 # ifndef HAVE__STRICMP
344 int strcasecmp(const char *str1, const char *str2);
345 # else
346 # define strcasecmp _stricmp
347 # endif
348 #endif /* !defined(HAVE_STRCASECMP) */
349
350 #ifndef HAVE_USLEEP
351 int usleep (unsigned int useconds);
352 #endif /* !defined(HAVE_USLEEP) */
353
354 #ifdef __i386__
355 static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
356 {
357 return memcpy( dst, src, size );
358 }
359 #else
360 extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
361 #endif /* __i386__ */
362
363 extern int mkstemps(char *template, int suffix_len);
364
365 /* Process creation flags */
366 #ifndef _P_WAIT
367 # define _P_WAIT 0
368 # define _P_NOWAIT 1
369 # define _P_OVERLAY 2
370 # define _P_NOWAITO 3
371 # define _P_DETACH 4
372 #endif
373 #ifndef HAVE_SPAWNVP
374 extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
375 #endif
376
377 /* Interlocked functions */
378
379 #if defined(__i386__) && defined(__GNUC__)
380
381 extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare );
382 extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
383 extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
384 extern inline int interlocked_xchg( int *dest, int val );
385 extern inline void *interlocked_xchg_ptr( void **dest, void *val );
386 extern inline int interlocked_xchg_add( int *dest, int incr );
387
388 extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare )
389 {
390 int ret;
391 __asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
392 : "=a" (ret) : "r" (dest), "r" (xchg), "" (compare) : "memory" );
393 return ret;
394 }
395
396 extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare )
397 {
398 void *ret;
399 __asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
400 : "=a" (ret) : "r" (dest), "r" (xchg), "" (compare) : "memory" );
401 return ret;
402 }
403
404 extern inline int interlocked_xchg( int *dest, int val )
405 {
406 int ret;
407 __asm__ __volatile__( "lock; xchgl %0,(%1)"
408 : "=r" (ret) : "r" (dest), "" (val) : "memory" );
409 return ret;
410 }
411
412 extern inline void *interlocked_xchg_ptr( void **dest, void *val )
413 {
414 void *ret;
415 __asm__ __volatile__( "lock; xchgl %0,(%1)"
416 : "=r" (ret) : "r" (dest), "" (val) : "memory" );
417 return ret;
418 }
419
420 extern inline int interlocked_xchg_add( int *dest, int incr )
421 {
422 int ret;
423 __asm__ __volatile__( "lock; xaddl %0,(%1)"
424 : "=r" (ret) : "r" (dest), "" (incr) : "memory" );
425 return ret;
426 }
427
428 #else /* __i386___ && __GNUC__ */
429
430 extern int interlocked_cmpxchg( int *dest, int xchg, int compare );
431 extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
432 extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
433 extern int interlocked_xchg( int *dest, int val );
434 extern void *interlocked_xchg_ptr( void **dest, void *val );
435 extern int interlocked_xchg_add( int *dest, int incr );
436
437 #endif /* __i386___ && __GNUC__ */
438
439 #else /* NO_LIBWINE_PORT */
440
441 #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
442
443 #define ffs __WINE_NOT_PORTABLE(ffs)
444 #define fstatvfs __WINE_NOT_PORTABLE(fstatvfs)
445 #define futimes __WINE_NOT_PORTABLE(futimes)
446 #define getopt_long __WINE_NOT_PORTABLE(getopt_long)
447 #define getopt_long_only __WINE_NOT_PORTABLE(getopt_long_only)
448 #define getpagesize __WINE_NOT_PORTABLE(getpagesize)
449 #define interlocked_cmpxchg __WINE_NOT_PORTABLE(interlocked_cmpxchg)
450 #define interlocked_cmpxchg_ptr __WINE_NOT_PORTABLE(interlocked_cmpxchg_ptr)
451 #define interlocked_xchg __WINE_NOT_PORTABLE(interlocked_xchg)
452 #define interlocked_xchg_ptr __WINE_NOT_PORTABLE(interlocked_xchg_ptr)
453 #define interlocked_xchg_add __WINE_NOT_PORTABLE(interlocked_xchg_add)
454 #define lstat __WINE_NOT_PORTABLE(lstat)
455 #define memcpy_unaligned __WINE_NOT_PORTABLE(memcpy_unaligned)
456 #undef memmove
457 #define memmove __WINE_NOT_PORTABLE(memmove)
458 #define pread __WINE_NOT_PORTABLE(pread)
459 #define pwrite __WINE_NOT_PORTABLE(pwrite)
460 #define spawnvp __WINE_NOT_PORTABLE(spawnvp)
461 #define statvfs __WINE_NOT_PORTABLE(statvfs)
462 #define strcasecmp __WINE_NOT_PORTABLE(strcasecmp)
463 #define strerror __WINE_NOT_PORTABLE(strerror)
464 #define strncasecmp __WINE_NOT_PORTABLE(strncasecmp)
465 #define usleep __WINE_NOT_PORTABLE(usleep)
466
467 #endif /* NO_LIBWINE_PORT */
468
469 #endif /* !defined(__WINE_WINE_PORT_H) */
470
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