include/reactos/wine/port.h

   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 Street, 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 #define _GNU_SOURCE  /* for pread/pwrite */
  29 #include <fcntl.h>
  30 #include <math.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #ifdef HAVE_DIRECT_H
  34 # include <direct.h>
  35 #endif
  36 #ifdef HAVE_IO_H
  37 # include <io.h>
  38 #endif
  39 #ifdef HAVE_PROCESS_H
  40 # include <process.h>
  41 #endif
  42 #include <string.h>
  43 #ifdef HAVE_UNISTD_H
  44 # include <unistd.h>
  45 #endif
  46
  47
  48 /****************************************************************
  49  * Type definitions
  50  */
  51
  52 #if !defined(_MSC_VER) && !defined(__int64)
  53 #  if defined(__x86_64__) || defined(_WIN64)
  54 #    define __int64 long
  55 #  else
  56 #    define __int64 long long
  57 #  endif
  58 #endif
  59
  60 #ifndef HAVE_MODE_T
  61 typedef int mode_t;
  62 #endif
  63 #ifndef HAVE_OFF_T
  64 typedef long off_t;
  65 #endif
  66 #ifndef HAVE_PID_T
  67 typedef int pid_t;
  68 #endif
  69 #ifndef HAVE_SIZE_T
  70 typedef unsigned int size_t;
  71 #endif
  72 #ifndef HAVE_SSIZE_T
  73 typedef int ssize_t;
  74 #endif
  75 //#ifndef HAVE_SOCKLEN_T
  76 //typedef unsigned int socklen_t;
  77 //#endif
  78
  79 #ifndef HAVE_STATFS
  80 # ifdef __BEOS__
  81 #  define HAVE_STRUCT_STATFS_F_BFREE
  82 struct statfs {
  83   long   f_bsize;  /* block_size */
  84   long   f_blocks; /* total_blocks */
  85   long   f_bfree;  /* free_blocks */
  86 };
  87 # else /* defined(__BEOS__) */
  88 struct statfs;
  89 # endif /* defined(__BEOS__) */
  90 #endif /* !defined(HAVE_STATFS) */
  91
  92
  93 /****************************************************************
  94  * Macro definitions
  95  */
  96
  97 #ifdef HAVE_DLFCN_H
  98 #include <dlfcn.h>
  99 #else
 100 #define RTLD_LAZY    0x001
 101 #define RTLD_NOW     0x002
 102 #define RTLD_GLOBAL  0x100
 103 #endif
 104
 105 #if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
 106 #define ftruncate chsize
 107 #endif
 108
 109 #if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
 110 #define popen _popen
 111 #endif
 112
 113 #if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
 114 #define pclose _pclose
 115 #endif
 116
 117 #if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
 118 #define snprintf _snprintf
 119 #endif
 120
 121 #if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
 122 #define vsnprintf _vsnprintf
 123 #endif
 124
 125 #ifndef S_ISLNK
 126 # define S_ISLNK(mod) (0)
 127 #endif /* S_ISLNK */
 128
 129 /* So we open files in 64 bit access mode on Linux */
 130 #ifndef O_LARGEFILE
 131 # define O_LARGEFILE 0
 132 #endif
 133
 134 #ifndef O_BINARY
 135 # define O_BINARY 0
 136 #endif
 137
 138 /****************************************************************
 139  * Constants
 140  */
 141
 142 #ifndef M_PI
 143 #define M_PI 3.14159265358979323846
 144 #endif
 145
 146 #ifndef M_PI_2
 147 #define M_PI_2 1.570796326794896619
 148 #endif
 149
 150
 151 /* Constructor functions */
 152
 153 #ifdef __GNUC__
 154 # define DECL_GLOBAL_CONSTRUCTOR(func) \
 155     static void func(void) __attribute__((constructor)); \
 156     static void func(void)
 157 #elif defined(__i386__)
 158 # define DECL_GLOBAL_CONSTRUCTOR(func) \
 159     static void __dummy_init_##func(void) { \
 160         asm(".section .init,\"ax\"\n\t" \
 161             "call " #func "\n\t" \
 162             ".previous"); } \
 163     static void func(void)
 164 #elif defined(__sparc__)
 165 # define DECL_GLOBAL_CONSTRUCTOR(func) \
 166     static void __dummy_init_##func(void) { \
 167         asm("\t.section \".init\",#alloc,#execinstr\n" \
 168             "\tcall " #func "\n" \
 169             "\tnop\n" \
 170             "\t.section \".text\",#alloc,#execinstr\n" ); } \
 171     static void func(void)
 172 #else
 173 # error You must define the DECL_GLOBAL_CONSTRUCTOR macro for your platform
 174 #endif
 175
 176
 177 /* Register functions */
 178
 179 #ifdef __i386__
 180 #define DEFINE_REGS_ENTRYPOINT( name, fn, args, pop_args ) \
 181     __ASM_GLOBAL_FUNC( name, \
 182                        "call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
 183                        ".long " __ASM_NAME(#fn) "\n\t" \
 184                        ".byte " #args "," #pop_args )
 185 /* FIXME: add support for other CPUs */
 186 #endif  /* __i386__ */
 187
 188
 189 /****************************************************************
 190  * Function definitions (only when using libwine_port)
 191  */
 192
 193 #ifndef NO_LIBWINE_PORT
 194
 195 #ifndef HAVE_GETOPT_LONG
 196 extern char *optarg;
 197 extern int optind;
 198 extern int opterr;
 199 extern int optopt;
 200 struct option;
 201
 202 #ifndef HAVE_STRUCT_OPTION_NAME
 203 struct option
 204 {
 205     const char *name;
 206     int has_arg;
 207     int *flag;
 208     int val;
 209 };
 210 #endif
 211
 212 extern int getopt_long (int ___argc, char *const *___argv,
 213                         const char *__shortopts,
 214                         const struct option *__longopts, int *__longind);
 215 extern int getopt_long_only (int ___argc, char *const *___argv,
 216                              const char *__shortopts,
 217                              const struct option *__longopts, int *__longind);
 218 #endif  /* HAVE_GETOPT_LONG */
 219
 220 #ifndef HAVE_GETPAGESIZE
 221 size_t getpagesize(void);
 222 #endif  /* HAVE_GETPAGESIZE */
 223
 224 #ifndef HAVE_LSTAT
 225 int lstat(const char *file_name, struct stat *buf);
 226 #endif /* HAVE_LSTAT */
 227
 228 #ifndef HAVE_MEMMOVE
 229 void *memmove(void *dest, const void *src, size_t len);
 230 #endif /* !defined(HAVE_MEMMOVE) */
 231
 232 #ifndef __REACTOS__
 233 #ifndef HAVE_PREAD
 234 ssize_t pread( int fd, void *buf, size_t count, off_t offset );
 235 #endif /* HAVE_PREAD */
 236
 237 #ifndef HAVE_PWRITE
 238 ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
 239 #endif /* HAVE_PWRITE */
 240 #endif /* __REACTOS__ */
 241
 242 #ifdef WIN32
 243 #ifndef HAVE_SIGSETJMP
 244 # include <setjmp.h>
 245 typedef jmp_buf sigjmp_buf;
 246 int sigsetjmp( sigjmp_buf buf, int savesigs );
 247 void siglongjmp( sigjmp_buf buf, int val );
 248 #endif /* HAVE_SIGSETJMP */
 249 #endif
 250
 251 #ifndef HAVE_STATFS
 252 int statfs(const char *name, struct statfs *info);
 253 #endif /* !defined(HAVE_STATFS) */
 254
 255 #ifndef HAVE_STRNCASECMP
 256 # ifndef HAVE__STRNICMP
 257 int strncasecmp(const char *str1, const char *str2, size_t n);
 258 # else
 259 # define strncasecmp _strnicmp
 260 # endif
 261 #endif /* !defined(HAVE_STRNCASECMP) */
 262
 263 #ifndef HAVE_STRERROR
 264 const char *strerror(int err);
 265 #endif /* !defined(HAVE_STRERROR) */
 266
 267 #ifndef HAVE_STRCASECMP
 268 # ifndef HAVE__STRICMP
 269 int strcasecmp(const char *str1, const char *str2);
 270 # else
 271 # define strcasecmp _stricmp
 272 # endif
 273 #endif /* !defined(HAVE_STRCASECMP) */
 274
 275 #if !defined(HAVE_USLEEP) && !defined(__CYGWIN__)
 276 int usleep (unsigned int useconds);
 277 #endif /* !defined(HAVE_USLEEP) */
 278
 279 #ifdef __i386__
 280 static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
 281 {
 282     return memcpy( dst, src, size );
 283 }
 284 #else
 285 extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
 286 #endif /* __i386__ */
 287
 288 extern int mkstemps(char *template, int suffix_len);
 289
 290 /* Process creation flags */
 291 #ifndef _P_WAIT
 292 # define _P_WAIT    0
 293 # define _P_NOWAIT  1
 294 # define _P_OVERLAY 2
 295 # define _P_NOWAITO 3
 296 # define _P_DETACH  4
 297 #endif
 298 #ifndef HAVE_SPAWNVP
 299 extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
 300 #endif
 301
 302 /* Interlocked functions */
 303
 304 #if defined(_MSC_VER) || (defined(__i386__) && defined(__GNUC__) && !defined(WINE_PORT_NO_INTERLOCKED))
 305
 306 #define interlocked_cmpxchg InterlockedCompareExchange
 307 #define interlocked_cmpxchg_ptr InterlockedCompareExchangePtr
 308 #define interlocked_xchg InterlockedExchange
 309 #define interlocked_xchg_ptr InterlockedExchangePtr
 310 #define interlocked_xchg_add InterlockedExchangeAdd
 311
 312
 313 #endif  /* __i386___ && __GNUC__ */
 314
 315 #else /* NO_LIBWINE_PORT */
 316
 317 #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
 318
 319 #define getopt_long             __WINE_NOT_PORTABLE(getopt_long)
 320 #define getopt_long_only        __WINE_NOT_PORTABLE(getopt_long_only)
 321 #define getpagesize             __WINE_NOT_PORTABLE(getpagesize)
 322 #define lstat                   __WINE_NOT_PORTABLE(lstat)
 323 #define memcpy_unaligned        __WINE_NOT_PORTABLE(memcpy_unaligned)
 324 #define memmove                 __WINE_NOT_PORTABLE(memmove)
 325 #define pread                   __WINE_NOT_PORTABLE(pread)
 326 #define pwrite                  __WINE_NOT_PORTABLE(pwrite)
 327 #define spawnvp                 __WINE_NOT_PORTABLE(spawnvp)
 328 #define statfs                  __WINE_NOT_PORTABLE(statfs)
 329 #define strcasecmp              __WINE_NOT_PORTABLE(strcasecmp)
 330 #define strerror                __WINE_NOT_PORTABLE(strerror)
 331 #define strncasecmp             __WINE_NOT_PORTABLE(strncasecmp)
 332 #define usleep                  __WINE_NOT_PORTABLE(usleep)
 333
 334 #endif /* NO_LIBWINE_PORT */
 335
 336 #endif /* !defined(__WINE_WINE_PORT_H) */