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00001 /*
00002  * Wine porting definitions
00003  *
00004  * Copyright 1996 Alexandre Julliard
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with this library; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #ifndef __WINE_WINE_PORT_H
00022 #define __WINE_WINE_PORT_H
00023 
00024 #ifndef __WINE_CONFIG_H
00025 # error You must include config.h to use this header
00026 #endif
00027 
00028 #define _GNU_SOURCE  /* for pread/pwrite */
00029 #include <fcntl.h>
00030 #include <math.h>
00031 #include <sys/types.h>
00032 #include <sys/stat.h>
00033 #ifdef HAVE_DIRECT_H
00034 # include <direct.h>
00035 #endif
00036 #ifdef HAVE_IO_H
00037 # include <io.h>
00038 #endif
00039 #ifdef HAVE_PROCESS_H
00040 # include <process.h>
00041 #endif
00042 #include <string.h>
00043 #ifdef HAVE_UNISTD_H
00044 # include <unistd.h>
00045 #endif
00046 
00047 
00048 /****************************************************************
00049  * Type definitions
00050  */
00051 
00052 #if !defined(_MSC_VER) && !defined(__int64)
00053 #  if defined(__x86_64__) || defined(_WIN64)
00054 #    define __int64 long
00055 #  else
00056 #    define __int64 long long
00057 #  endif
00058 #endif
00059 
00060 #if !defined(HAVE_MODE_T) && !defined(_MODE_T)
00061 typedef int mode_t;
00062 #endif
00063 #if !defined(HAVE_OFF_T) && !defined(_OFF_T)
00064 typedef long off_t;
00065 #endif
00066 #if !defined(HAVE_PID_T) && !defined(_PID_T)
00067 typedef int pid_t;
00068 #endif
00069 #if !defined(HAVE_SIZE_T) && !defined(_SIZE_T)
00070 typedef unsigned int size_t;
00071 #endif
00072 #if !defined(HAVE_SSIZE_T) && !defined(_SSIZE_T)
00073 typedef int ssize_t;
00074 #endif
00075 //#ifndef HAVE_SOCKLEN_T
00076 //typedef unsigned int socklen_t;
00077 //#endif
00078 
00079 #ifndef HAVE_STATFS
00080 # ifdef __BEOS__
00081 #  define HAVE_STRUCT_STATFS_F_BFREE
00082 struct statfs {
00083   long   f_bsize;  /* block_size */
00084   long   f_blocks; /* total_blocks */
00085   long   f_bfree;  /* free_blocks */
00086 };
00087 # else /* defined(__BEOS__) */
00088 struct statfs;
00089 # endif /* defined(__BEOS__) */
00090 #endif /* !defined(HAVE_STATFS) */
00091 
00092 
00093 /****************************************************************
00094  * Macro definitions
00095  */
00096 
00097 #ifdef HAVE_DLFCN_H
00098 #include <dlfcn.h>
00099 #else
00100 #define RTLD_LAZY    0x001
00101 #define RTLD_NOW     0x002
00102 #define RTLD_GLOBAL  0x100
00103 #endif
00104 
00105 #if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
00106 #define ftruncate chsize
00107 #endif
00108 
00109 #if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
00110 #define popen _popen
00111 #endif
00112 
00113 #if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
00114 #define pclose _pclose
00115 #endif
00116 
00117 #if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
00118 #define snprintf _snprintf
00119 #endif
00120 
00121 #if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
00122 #define vsnprintf _vsnprintf
00123 #endif
00124 
00125 #ifndef S_ISLNK
00126 # define S_ISLNK(mod) (0)
00127 #endif /* S_ISLNK */
00128 
00129 /* So we open files in 64 bit access mode on Linux */
00130 #ifndef O_LARGEFILE
00131 # define O_LARGEFILE 0
00132 #endif
00133 
00134 #ifndef O_BINARY
00135 # define O_BINARY 0
00136 #endif
00137 
00138 /****************************************************************
00139  * Constants
00140  */
00141 
00142 #ifndef M_PI
00143 #define M_PI 3.14159265358979323846
00144 #endif
00145 
00146 #ifndef M_PI_2
00147 #define M_PI_2 1.570796326794896619
00148 #endif
00149 
00150 #ifndef M_PI_4
00151 #define M_PI_4 0.785398163397448309616
00152 #endif
00153 
00154 /* Constructor functions */
00155 
00156 #ifdef __GNUC__
00157 # define DECL_GLOBAL_CONSTRUCTOR(func) \
00158     static void func(void) __attribute__((constructor)); \
00159     static void func(void)
00160 #elif defined(__i386__)
00161 # define DECL_GLOBAL_CONSTRUCTOR(func) \
00162     static void __dummy_init_##func(void) { \
00163         asm(".section .init,\"ax\"\n\t" \
00164             "call " #func "\n\t" \
00165             ".previous"); } \
00166     static void func(void)
00167 #elif defined(__sparc__)
00168 # define DECL_GLOBAL_CONSTRUCTOR(func) \
00169     static void __dummy_init_##func(void) { \
00170         asm("\t.section \".init\",#alloc,#execinstr\n" \
00171             "\tcall " #func "\n" \
00172             "\tnop\n" \
00173             "\t.section \".text\",#alloc,#execinstr\n" ); } \
00174     static void func(void)
00175 #elif defined(_M_AMD64)
00176 #pragma message("You must define the DECL_GLOBAL_CONSTRUCTOR macro for amd64")
00177 #else
00178 # error You must define the DECL_GLOBAL_CONSTRUCTOR macro for your platform
00179 #endif
00180 
00181 
00182 /* Register functions */
00183 
00184 #ifdef __i386__
00185 #define DEFINE_REGS_ENTRYPOINT( name, fn, args, pop_args ) \
00186     __ASM_GLOBAL_FUNC( name, \
00187                        "call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
00188                        ".long " __ASM_NAME(#fn) "\n\t" \
00189                        ".byte " #args "," #pop_args )
00190 /* FIXME: add support for other CPUs */
00191 #endif  /* __i386__ */
00192 
00193 
00194 /****************************************************************
00195  * Function definitions (only when using libwine_port)
00196  */
00197 
00198 #ifndef NO_LIBWINE_PORT
00199 
00200 #ifndef HAVE_GETOPT_LONG
00201 extern char *optarg;
00202 extern int optind;
00203 extern int opterr;
00204 extern int optopt;
00205 struct option;
00206 
00207 #ifndef HAVE_STRUCT_OPTION_NAME
00208 struct option
00209 {
00210     const char *name;
00211     int has_arg;
00212     int *flag;
00213     int val;
00214 };
00215 #endif
00216 
00217 extern int getopt_long (int ___argc, char *const *___argv,
00218                         const char *__shortopts,
00219                         const struct option *__longopts, int *__longind);
00220 extern int getopt_long_only (int ___argc, char *const *___argv,
00221                              const char *__shortopts,
00222                              const struct option *__longopts, int *__longind);
00223 #endif  /* HAVE_GETOPT_LONG */
00224 
00225 #ifndef HAVE_GETPAGESIZE
00226 size_t getpagesize(void);
00227 #endif  /* HAVE_GETPAGESIZE */
00228 
00229 #if !defined(HAVE_ISINF) && !defined(_ISINF) && !defined(isinf)
00230 int isinf(double x);
00231 #endif
00232 
00233 #if !defined(HAVE_ISNAN) && !defined(_ISNAN) && !defined(isnan)
00234 int isnan(double x);
00235 #endif
00236 
00237 #ifndef HAVE_LSTAT
00238 int lstat(const char *file_name, struct stat *buf);
00239 #endif /* HAVE_LSTAT */
00240 
00241 #ifndef HAVE_MEMMOVE
00242 void *memmove(void *dest, const void *src, size_t len);
00243 #endif /* !defined(HAVE_MEMMOVE) */
00244 
00245 #ifndef __REACTOS__
00246 #ifndef HAVE_PREAD
00247 ssize_t pread( int fd, void *buf, size_t count, off_t offset );
00248 #endif /* HAVE_PREAD */
00249 
00250 #ifndef HAVE_PWRITE
00251 ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
00252 #endif /* HAVE_PWRITE */
00253 #endif /* __REACTOS__ */
00254 
00255 #ifdef WIN32
00256 #ifndef HAVE_SIGSETJMP
00257 # include <setjmp.h>
00258 typedef jmp_buf sigjmp_buf;
00259 int sigsetjmp( sigjmp_buf buf, int savesigs );
00260 void siglongjmp( sigjmp_buf buf, int val );
00261 #endif /* HAVE_SIGSETJMP */
00262 #endif
00263 
00264 #ifndef HAVE_STATFS
00265 int statfs(const char *name, struct statfs *info);
00266 #endif /* !defined(HAVE_STATFS) */
00267 
00268 #ifndef HAVE_STRNCASECMP
00269 # ifndef HAVE__STRNICMP
00270 int strncasecmp(const char *str1, const char *str2, size_t n);
00271 # else
00272 # define strncasecmp _strnicmp
00273 # endif
00274 #endif /* !defined(HAVE_STRNCASECMP) */
00275 
00276 #ifndef HAVE_STRERROR
00277 const char *strerror(int err);
00278 #endif /* !defined(HAVE_STRERROR) */
00279 
00280 #ifndef HAVE_STRCASECMP
00281 # ifndef HAVE__STRICMP
00282 int strcasecmp(const char *str1, const char *str2);
00283 # else
00284 # define strcasecmp _stricmp
00285 # endif
00286 #endif /* !defined(HAVE_STRCASECMP) */
00287 
00288 #if !defined(HAVE_USLEEP) && !defined(__CYGWIN__)
00289 int usleep (unsigned int useconds);
00290 #endif /* !defined(HAVE_USLEEP) */
00291 
00292 #ifdef __i386__
00293 static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
00294 {
00295     return memcpy( dst, src, size );
00296 }
00297 #else
00298 extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
00299 #endif /* __i386__ */
00300 
00301 extern int mkstemps(char *template, int suffix_len);
00302 
00303 /* Process creation flags */
00304 #ifndef _P_WAIT
00305 # define _P_WAIT    0
00306 # define _P_NOWAIT  1
00307 # define _P_OVERLAY 2
00308 # define _P_NOWAITO 3
00309 # define _P_DETACH  4
00310 #endif
00311 #ifndef HAVE_SPAWNVP
00312 extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
00313 #endif
00314 
00315 /* Interlocked functions */
00316 
00317 #if defined(_MSC_VER) || (defined(__i386__) && defined(__GNUC__) && !defined(WINE_PORT_NO_INTERLOCKED))
00318 
00319 #define interlocked_cmpxchg InterlockedCompareExchange
00320 #define interlocked_cmpxchg_ptr InterlockedCompareExchangePtr
00321 #define interlocked_xchg InterlockedExchange
00322 #define interlocked_xchg_ptr InterlockedExchangePtr
00323 #define interlocked_xchg_add InterlockedExchangeAdd
00324 
00325 
00326 #endif  /* __i386___ && __GNUC__ */
00327 
00328 #if defined(_MSC_VER)
00329 __forceinline
00330 int
00331 ffs(int mask)
00332 {
00333     long index;
00334     if (_BitScanForward(&index, mask) == 0) return 0;
00335     return index;
00336 }
00337 #endif
00338 
00339 #else /* NO_LIBWINE_PORT */
00340 
00341 #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
00342 
00343 #define getopt_long             __WINE_NOT_PORTABLE(getopt_long)
00344 #define getopt_long_only        __WINE_NOT_PORTABLE(getopt_long_only)
00345 #define getpagesize             __WINE_NOT_PORTABLE(getpagesize)
00346 #define lstat                   __WINE_NOT_PORTABLE(lstat)
00347 #define memcpy_unaligned        __WINE_NOT_PORTABLE(memcpy_unaligned)
00348 #define memmove                 __WINE_NOT_PORTABLE(memmove)
00349 #define pread                   __WINE_NOT_PORTABLE(pread)
00350 #define pwrite                  __WINE_NOT_PORTABLE(pwrite)
00351 #define spawnvp                 __WINE_NOT_PORTABLE(spawnvp)
00352 #define statfs                  __WINE_NOT_PORTABLE(statfs)
00353 #define strcasecmp              __WINE_NOT_PORTABLE(strcasecmp)
00354 #define strerror                __WINE_NOT_PORTABLE(strerror)
00355 #define strncasecmp             __WINE_NOT_PORTABLE(strncasecmp)
00356 #define usleep                  __WINE_NOT_PORTABLE(usleep)
00357 
00358 #endif /* NO_LIBWINE_PORT */
00359 
00360 #endif /* !defined(__WINE_WINE_PORT_H) */
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