huwcampbell.com
Reactos
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)
63typedef int mode_t;
64#endif
65#if !defined(HAVE_OFF_T) && !defined(_OFF_T)
66typedef long off_t;
67#endif
68#if !defined(HAVE_PID_T) && !defined(_PID_T)
69typedef int pid_t;
70#endif
71#if !defined(HAVE_SIZE_T) && !defined(_SIZE_T)
72typedef unsigned int size_t;
73#endif
74#if !defined(HAVE_SSIZE_T) && !defined(_SSIZE_T)
75typedef 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
84struct statfs {
85 long f_bsize; /* block_size */
86 long f_blocks; /* total_blocks */
87 long f_bfree; /* free_blocks */
88};
89# else /* defined(__BEOS__) */
90struct statfs;
91# endif /* defined(__BEOS__) */
92#endif /* !defined(HAVE_STATFS) */
93
94struct stat;
95
96/****************************************************************
97 * Macro definitions
98 */
99
100#ifdef HAVE_DLFCN_H
101#include <dlfcn.h>
102#else
103#define RTLD_LAZY 0x001
104#define RTLD_NOW 0x002
105#define RTLD_GLOBAL 0x100
106#endif
107
108#if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
109#define ftruncate chsize
110#endif
111
112#if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
113#define popen _popen
114#endif
115
116#if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
117#define pclose _pclose
118#endif
119
120#if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
121#define snprintf _snprintf
122#endif
123
124#if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
125#define vsnprintf _vsnprintf
126#endif
127
128#ifndef S_ISLNK
129# define S_ISLNK(mod) (0)
130#endif /* S_ISLNK */
131
132/* So we open files in 64 bit access mode on Linux */
133#ifndef O_LARGEFILE
134# define O_LARGEFILE 0
135#endif
136
137#ifndef O_BINARY
138# define O_BINARY 0
139#endif
140
141/****************************************************************
142 * Constants
143 */
144
145#ifndef M_PI
146#define M_PI 3.14159265358979323846
147#endif
148
149#ifndef M_PI_2
150#define M_PI_2 1.570796326794896619
151#endif
152
153#ifndef M_PI_4
154#define M_PI_4 0.785398163397448309616
155#endif
156
157#ifndef INFINITY
158static inline float __port_infinity(void)
159{
160 static const unsigned __inf_bytes = 0x7f800000;
161 return *(const float *)&__inf_bytes;
162}
163#define INFINITY __port_infinity()
164#endif
165
166#ifndef NAN
167static inline float __port_nan(void)
168{
169 static const unsigned __nan_bytes = 0x7fc00000;
170 return *(const float *)&__nan_bytes;
171}
172#define NAN __port_nan()
173#endif
174
175/* Constructor functions */
176
177#ifdef _MSC_VER
178# define DECL_GLOBAL_CONSTRUCTOR(func) /* nothing */
179#elif defined(__GNUC__)
180# define DECL_GLOBAL_CONSTRUCTOR(func) \
181 static void func(void) __attribute__((constructor)); \
182 static void func(void)
183#elif defined(__i386__)
184# define DECL_GLOBAL_CONSTRUCTOR(func) \
185 static void __dummy_init_##func(void) { \
186 asm(".section .init,\"ax\"\n\t" \
187 "call " #func "\n\t" \
188 ".previous"); } \
189 static void func(void)
190#elif defined(__sparc__)
191# define DECL_GLOBAL_CONSTRUCTOR(func) \
192 static void __dummy_init_##func(void) { \
193 asm("\t.section \".init\",#alloc,#execinstr\n" \
194 "\tcall " #func "\n" \
195 "\tnop\n" \
196 "\t.section \".text\",#alloc,#execinstr\n" ); } \
197 static void func(void)
198#elif defined(_M_AMD64)
199#pragma message("You must define the DECL_GLOBAL_CONSTRUCTOR macro for amd64")
200#else
201# error You must define the DECL_GLOBAL_CONSTRUCTOR macro for your platform
202#endif
203
204
205/* Register functions */
206
207#ifdef __i386__
208#define DEFINE_REGS_ENTRYPOINT( name, fn, args, pop_args ) \
209 __ASM_GLOBAL_FUNC( name, \
210 "call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
211 ".long " __ASM_NAME(#fn) "\n\t" \
212 ".byte " #args "," #pop_args )
213/* FIXME: add support for other CPUs */
214#endif /* __i386__ */
215
216
217/****************************************************************
218 * Function definitions (only when using libwine_port)
219 */
220
221#ifndef NO_LIBWINE_PORT
222
223#ifndef HAVE_GETOPT_LONG
224extern char *optarg;
225extern int optind;
226extern int opterr;
227extern int optopt;
228struct option;
229
230#ifndef HAVE_STRUCT_OPTION_NAME
231struct option
232{
233 const char *name;
234 int has_arg;
235 int *flag;
236 int val;
237};
238#endif
239
240extern int getopt_long (int ___argc, char *const *___argv,
241 const char *__shortopts,
242 const struct option *__longopts, int *__longind);
243extern int getopt_long_only (int ___argc, char *const *___argv,
244 const char *__shortopts,
245 const struct option *__longopts, int *__longind);
246#endif /* HAVE_GETOPT_LONG */
247
248#ifndef HAVE_GETPAGESIZE
249size_t getpagesize(void);
250#endif /* HAVE_GETPAGESIZE */
251
252#if !defined(HAVE_ISFINITE) && !defined(isfinite)
253int isfinite(double x);
254#endif
255
256#if !defined(HAVE_ISINF) && !defined(isinf)
257int isinf(double x);
258#endif
259
260#if !defined(HAVE_ISNAN) && !defined(isnan)
261int isnan(double x);
262#endif
263
264#ifndef HAVE_LSTAT
265int lstat(const char *file_name, struct stat *buf);
266#endif /* HAVE_LSTAT */
267
268#ifndef HAVE_MEMMOVE
269void *memmove(void *dest, const void *src, size_t len);
270#endif /* !defined(HAVE_MEMMOVE) */
271
272#ifndef __REACTOS__
273#ifndef HAVE_PREAD
274ssize_t pread( int fd, void *buf, size_t count, off_t offset );
275#endif /* HAVE_PREAD */
276
277#ifndef HAVE_PWRITE
278ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
279#endif /* HAVE_PWRITE */
280#endif /* __REACTOS__ */
281
282#ifdef _WIN32
283#ifndef HAVE_SIGSETJMP
284# include <setjmp.h>
285typedef jmp_buf sigjmp_buf;
286int sigsetjmp( sigjmp_buf buf, int savesigs );
287void siglongjmp( sigjmp_buf buf, int val );
288#endif /* HAVE_SIGSETJMP */
289#endif
290
291#ifndef HAVE_STATFS
292int statfs(const char *name, struct statfs *info);
293#endif /* !defined(HAVE_STATFS) */
294
295#ifndef HAVE_STRNCASECMP
296# ifndef HAVE__STRNICMP
297int strncasecmp(const char *str1, const char *str2, size_t n);
298# else
299# define strncasecmp _strnicmp
300# endif
301#endif /* !defined(HAVE_STRNCASECMP) */
302
303#ifndef HAVE_STRERROR
304const char *strerror(int err);
305#endif /* !defined(HAVE_STRERROR) */
306
307#ifndef HAVE_STRCASECMP
308# ifndef HAVE__STRICMP
309int strcasecmp(const char *str1, const char *str2);
310# else
311# define strcasecmp _stricmp
312# endif
313#endif /* !defined(HAVE_STRCASECMP) */
314
315#if !defined(HAVE_USLEEP) && !defined(__CYGWIN__)
316int usleep (unsigned int useconds);
317#endif /* !defined(HAVE_USLEEP) */
318
319#ifdef __i386__
320static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
321{
322 return memcpy( dst, src, size );
323}
324#else
325extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
326#endif /* __i386__ */
327
328extern int mkstemps(char *template, int suffix_len);
329
330/* Process creation flags */
331#ifndef _P_WAIT
332# define _P_WAIT 0
333# define _P_NOWAIT 1
334# define _P_OVERLAY 2
335# define _P_NOWAITO 3
336# define _P_DETACH 4
337#endif
338#ifndef HAVE_SPAWNVP
339extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
340#endif
341
342/* Interlocked functions */
343
344#define interlocked_cmpxchg InterlockedCompareExchange
345#define interlocked_cmpxchg_ptr InterlockedCompareExchangePointer
346#define interlocked_xchg InterlockedExchange
347#define interlocked_xchg_ptr InterlockedExchangePointer
348#define interlocked_xchg_add InterlockedExchangeAdd
349
350#if defined(_MSC_VER) && !defined(__clang__)
351__forceinline
352int
353ffs(int mask)
354{
355 long index;
356 if (_BitScanForward(&index, mask) == 0) return 0;
357 return index + 1;
358}
359#else
360#define ffs __builtin_ffs
361#endif
362
363#else /* NO_LIBWINE_PORT */
364
365#define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
366
367#define getopt_long __WINE_NOT_PORTABLE(getopt_long)
368#define getopt_long_only __WINE_NOT_PORTABLE(getopt_long_only)
369#define getpagesize __WINE_NOT_PORTABLE(getpagesize)
370#define lstat __WINE_NOT_PORTABLE(lstat)
371#define memcpy_unaligned __WINE_NOT_PORTABLE(memcpy_unaligned)
372#define memmove __WINE_NOT_PORTABLE(memmove)
373#define pread __WINE_NOT_PORTABLE(pread)
374#define pwrite __WINE_NOT_PORTABLE(pwrite)
375#define spawnvp __WINE_NOT_PORTABLE(spawnvp)
376#define statfs __WINE_NOT_PORTABLE(statfs)
377#define strcasecmp __WINE_NOT_PORTABLE(strcasecmp)
378#define strerror __WINE_NOT_PORTABLE(strerror)
379#define strncasecmp __WINE_NOT_PORTABLE(strncasecmp)
380#define usleep __WINE_NOT_PORTABLE(usleep)
381
382#endif /* NO_LIBWINE_PORT */
383
384#endif /* !defined(__WINE_WINE_PORT_H) */