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 /* Macros to define assembler functions somewhat portably */
 152
 153 #if defined(__GNUC__) && !defined(__INTERIX) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(__APPLE__)
 154 # define __ASM_GLOBAL_FUNC(name,code) \
 155       __asm__( ".text\n\t" \
 156                ".align 4\n\t" \
 157                ".globl " __ASM_NAME(#name) "\n\t" \
 158                __ASM_FUNC(#name) "\n" \
 159                __ASM_NAME(#name) ":\n\t" \
 160                code \
 161                "\n\t.previous" );
 162 #else  /* defined(__GNUC__) && !defined(__MINGW32__) && !defined(__APPLE__)  */
 163 # define __ASM_GLOBAL_FUNC(name,code) \
 164       void __asm_dummy_##name(void) { \
 165           asm( ".align 4\n\t" \
 166                ".globl " __ASM_NAME(#name) "\n\t" \
 167                __ASM_FUNC(#name) "\n" \
 168                __ASM_NAME(#name) ":\n\t" \
 169                code ); \
 170       }
 171 #endif  /* __GNUC__ */
 172
 173
 174 /* Constructor functions */
 175
 176 #ifdef __GNUC__
 177 # define DECL_GLOBAL_CONSTRUCTOR(func) \
 178     static void func(void) __attribute__((constructor)); \
 179     static void func(void)
 180 #elif defined(__i386__)
 181 # define DECL_GLOBAL_CONSTRUCTOR(func) \
 182     static void __dummy_init_##func(void) { \
 183         asm(".section .init,\"ax\"\n\t" \
 184             "call " #func "\n\t" \
 185             ".previous"); } \
 186     static void func(void)
 187 #elif defined(__sparc__)
 188 # define DECL_GLOBAL_CONSTRUCTOR(func) \
 189     static void __dummy_init_##func(void) { \
 190         asm("\t.section \".init\",#alloc,#execinstr\n" \
 191             "\tcall " #func "\n" \
 192             "\tnop\n" \
 193             "\t.section \".text\",#alloc,#execinstr\n" ); } \
 194     static void func(void)
 195 #else
 196 # error You must define the DECL_GLOBAL_CONSTRUCTOR macro for your platform
 197 #endif
 198
 199
 200 /* Register functions */
 201
 202 #ifdef __i386__
 203 #define DEFINE_REGS_ENTRYPOINT( name, fn, args, pop_args ) \
 204     __ASM_GLOBAL_FUNC( name, \
 205                        "call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
 206                        ".long " __ASM_NAME(#fn) "\n\t" \
 207                        ".byte " #args "," #pop_args )
 208 /* FIXME: add support for other CPUs */
 209 #endif  /* __i386__ */
 210
 211
 212 /****************************************************************
 213  * Function definitions (only when using libwine_port)
 214  */
 215
 216 #ifndef NO_LIBWINE_PORT
 217
 218 #ifndef HAVE_GETOPT_LONG
 219 extern char *optarg;
 220 extern int optind;
 221 extern int opterr;
 222 extern int optopt;
 223 struct option;
 224
 225 #ifndef HAVE_STRUCT_OPTION_NAME
 226 struct option
 227 {
 228     const char *name;
 229     int has_arg;
 230     int *flag;
 231     int val;
 232 };
 233 #endif
 234
 235 extern int getopt_long (int ___argc, char *const *___argv,
 236                         const char *__shortopts,
 237                         const struct option *__longopts, int *__longind);
 238 extern int getopt_long_only (int ___argc, char *const *___argv,
 239                              const char *__shortopts,
 240                              const struct option *__longopts, int *__longind);
 241 #endif  /* HAVE_GETOPT_LONG */
 242
 243 #ifndef HAVE_GETPAGESIZE
 244 size_t getpagesize(void);
 245 #endif  /* HAVE_GETPAGESIZE */
 246
 247 #ifndef HAVE_LSTAT
 248 int lstat(const char *file_name, struct stat *buf);
 249 #endif /* HAVE_LSTAT */
 250
 251 #ifndef HAVE_MEMMOVE
 252 void *memmove(void *dest, const void *src, size_t len);
 253 #endif /* !defined(HAVE_MEMMOVE) */
 254
 255 #ifndef __REACTOS__
 256 #ifndef HAVE_PREAD
 257 ssize_t pread( int fd, void *buf, size_t count, off_t offset );
 258 #endif /* HAVE_PREAD */
 259
 260 #ifndef HAVE_PWRITE
 261 ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
 262 #endif /* HAVE_PWRITE */
 263 #endif /* __REACTOS__ */
 264
 265 #ifdef WIN32
 266 #ifndef HAVE_SIGSETJMP
 267 # include <setjmp.h>
 268 typedef jmp_buf sigjmp_buf;
 269 int sigsetjmp( sigjmp_buf buf, int savesigs );
 270 void siglongjmp( sigjmp_buf buf, int val );
 271 #endif /* HAVE_SIGSETJMP */
 272 #endif
 273
 274 #ifndef HAVE_STATFS
 275 int statfs(const char *name, struct statfs *info);
 276 #endif /* !defined(HAVE_STATFS) */
 277
 278 #ifndef HAVE_STRNCASECMP
 279 # ifndef HAVE__STRNICMP
 280 int strncasecmp(const char *str1, const char *str2, size_t n);
 281 # else
 282 # define strncasecmp _strnicmp
 283 # endif
 284 #endif /* !defined(HAVE_STRNCASECMP) */
 285
 286 #ifndef HAVE_STRERROR
 287 const char *strerror(int err);
 288 #endif /* !defined(HAVE_STRERROR) */
 289
 290 #ifndef HAVE_STRCASECMP
 291 # ifndef HAVE__STRICMP
 292 int strcasecmp(const char *str1, const char *str2);
 293 # else
 294 # define strcasecmp _stricmp
 295 # endif
 296 #endif /* !defined(HAVE_STRCASECMP) */
 297
 298 #if !defined(HAVE_USLEEP) && !defined(__CYGWIN__)
 299 int usleep (unsigned int useconds);
 300 #endif /* !defined(HAVE_USLEEP) */
 301
 302 #ifdef __i386__
 303 static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
 304 {
 305     return memcpy( dst, src, size );
 306 }
 307 #else
 308 extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
 309 #endif /* __i386__ */
 310
 311 extern int mkstemps(char *template, int suffix_len);
 312
 313 /* Process creation flags */
 314 #ifndef _P_WAIT
 315 # define _P_WAIT    0
 316 # define _P_NOWAIT  1
 317 # define _P_OVERLAY 2
 318 # define _P_NOWAITO 3
 319 # define _P_DETACH  4
 320 #endif
 321 #ifndef HAVE_SPAWNVP
 322 extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
 323 #endif
 324
 325 /* Interlocked functions */
 326
 327 #if defined(_MSC_VER) || (defined(__i386__) && defined(__GNUC__) && !defined(WINE_PORT_NO_INTERLOCKED))
 328
 329 #define interlocked_cmpxchg InterlockedCompareExchange
 330 #define interlocked_cmpxchg_ptr InterlockedCompareExchangePtr
 331 #define interlocked_xchg InterlockedExchange
 332 #define interlocked_xchg_ptr InterlockedExchangePtr
 333 #define interlocked_xchg_add InterlockedExchangeAdd
 334
 335
 336 #endif  /* __i386___ && __GNUC__ */
 337
 338 #else /* NO_LIBWINE_PORT */
 339
 340 #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
 341
 342 #define getopt_long             __WINE_NOT_PORTABLE(getopt_long)
 343 #define getopt_long_only        __WINE_NOT_PORTABLE(getopt_long_only)
 344 #define getpagesize             __WINE_NOT_PORTABLE(getpagesize)
 345 #define lstat                   __WINE_NOT_PORTABLE(lstat)
 346 #define memcpy_unaligned        __WINE_NOT_PORTABLE(memcpy_unaligned)
 347 #define memmove                 __WINE_NOT_PORTABLE(memmove)
 348 #define pread                   __WINE_NOT_PORTABLE(pread)
 349 #define pwrite                  __WINE_NOT_PORTABLE(pwrite)
 350 #define spawnvp                 __WINE_NOT_PORTABLE(spawnvp)
 351 #define statfs                  __WINE_NOT_PORTABLE(statfs)
 352 #define strcasecmp              __WINE_NOT_PORTABLE(strcasecmp)
 353 #define strerror                __WINE_NOT_PORTABLE(strerror)
 354 #define strncasecmp             __WINE_NOT_PORTABLE(strncasecmp)
 355 #define usleep                  __WINE_NOT_PORTABLE(usleep)
 356
 357 #endif /* NO_LIBWINE_PORT */
 358
 359 #endif /* !defined(__WINE_WINE_PORT_H) */