include/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 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 #ifndef _GNU_SOURCE
  33 # define _GNU_SOURCE  /* for pread/pwrite, isfinite */
  34 #endif
  35 #include <fcntl.h>
  36 #include <math.h>
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #include <string.h>
  40 #include <stdlib.h>
  41 #ifdef HAVE_UNISTD_H
  42 # include <unistd.h>
  43 #endif
  44
  45
  46 /****************************************************************
  47  * Hard-coded values for the Windows platform
  48  */
  49
  50 #if defined(_WIN32) && !defined(__CYGWIN__)
  51
  52 #include <direct.h>
  53 #include <io.h>
  54 #include <process.h>
  55
  56 #define mkdir(path,mode) mkdir(path)
  57
  58 static inline void *dlopen(const char *name, int flags) { return NULL; }
  59 static inline void *dlsym(void *handle, const char *name) { return NULL; }
  60 static inline int dlclose(void *handle) { return 0; }
  61 static inline const char *dlerror(void) { return "No dlopen support on Windows"; }
  62
  63 #ifdef _MSC_VER
  64
  65 #define popen _popen
  66 #define pclose _pclose
  67 /* The UCRT headers in the Windows SDK #error out if we #define snprintf.
  68  * The C headers that came with previous Visual Studio versions do not have
  69  * snprintf. Check for VS 2015, which appears to be the first version to
  70  * use the UCRT headers by default. */
  71 #if _MSC_VER < 1900
  72 # define snprintf _snprintf
  73 #endif
  74 #define strtoll _strtoi64
  75 #define strtoull _strtoui64
  76 #define strncasecmp _strnicmp
  77 #define strcasecmp _stricmp
  78
  79 typedef long off_t;
  80 typedef int pid_t;
  81 typedef int ssize_t;
  82
  83 #endif /* _MSC_VER */
  84
  85 #else  /* _WIN32 */
  86
  87 #ifndef __int64
  88 #  if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) || defined(_WIN64)
  89 #    define __int64 long
  90 #  else
  91 #    define __int64 long long
  92 #  endif
  93 #endif
  94
  95 /* Process creation flags */
  96 #ifndef _P_WAIT
  97 # define _P_WAIT    0
  98 # define _P_NOWAIT  1
  99 # define _P_OVERLAY 2
 100 # define _P_NOWAITO 3
 101 # define _P_DETACH  4
 102 #endif
 103 #ifndef HAVE__SPAWNVP
 104 extern int _spawnvp(int mode, const char *cmdname, const char * const argv[]);
 105 #endif
 106
 107 #endif  /* _WIN32 */
 108
 109 /****************************************************************
 110  * Macro definitions
 111  */
 112
 113 #ifdef HAVE_DLFCN_H
 114 #include <dlfcn.h>
 115 #else
 116 #define RTLD_LAZY    0x001
 117 #define RTLD_NOW     0x002
 118 #define RTLD_GLOBAL  0x100
 119 #endif
 120
 121 #ifndef S_ISLNK
 122 # define S_ISLNK(mod) (0)
 123 #endif
 124
 125 #ifndef S_ISDIR
 126 # define S_ISDIR(mod) (((mod) & _S_IFMT) == _S_IFDIR)
 127 #endif
 128
 129 #ifndef S_ISCHR
 130 # define S_ISCHR(mod) (((mod) & _S_IFMT) == _S_IFCHR)
 131 #endif
 132
 133 #ifndef S_ISREG
 134 # define S_ISREG(mod) (((mod) & _S_IFMT) == _S_IFREG)
 135 #endif
 136
 137 /* So we open files in 64 bit access mode on Linux */
 138 #ifndef O_LARGEFILE
 139 # define O_LARGEFILE 0
 140 #endif
 141
 142 #ifndef O_NONBLOCK
 143 # define O_NONBLOCK 0
 144 #endif
 145
 146 #ifndef O_BINARY
 147 # define O_BINARY 0
 148 #endif
 149
 150
 151 /****************************************************************
 152  * Constants
 153  */
 154
 155 #ifndef M_PI
 156 #define M_PI 3.14159265358979323846
 157 #endif
 158
 159 #ifndef M_PI_2
 160 #define M_PI_2 1.570796326794896619
 161 #endif
 162
 163
 164 /****************************************************************
 165  * Function definitions (only when using libwine_port)
 166  */
 167
 168 #ifndef HAVE_GETOPT_LONG_ONLY
 169 extern char *optarg;
 170 extern int optind;
 171 extern int opterr;
 172 extern int optopt;
 173 struct option;
 174
 175 #ifndef HAVE_STRUCT_OPTION_NAME
 176 struct option
 177 {
 178     const char *name;
 179     int has_arg;
 180     int *flag;
 181     int val;
 182 };
 183 #endif
 184
 185 extern int getopt_long (int ___argc, char *const *___argv,
 186                         const char *__shortopts,
 187                         const struct option *__longopts, int *__longind);
 188 extern int getopt_long_only (int ___argc, char *const *___argv,
 189                              const char *__shortopts,
 190                              const struct option *__longopts, int *__longind);
 191 #endif  /* HAVE_GETOPT_LONG_ONLY */
 192
 193 #ifndef HAVE_LSTAT
 194 int lstat(const char *file_name, struct stat *buf);
 195 #endif /* HAVE_LSTAT */
 196
 197 #ifndef HAVE_POLL
 198 struct pollfd
 199 {
 200     int fd;
 201     short events;
 202     short revents;
 203 };
 204 #define POLLIN   0x01
 205 #define POLLPRI  0x02
 206 #define POLLOUT  0x04
 207 #define POLLERR  0x08
 208 #define POLLHUP  0x10
 209 #define POLLNVAL 0x20
 210 int poll( struct pollfd *fds, unsigned int count, int timeout );
 211 #endif /* HAVE_POLL */
 212
 213 #ifndef HAVE_PREAD
 214 ssize_t pread( int fd, void *buf, size_t count, off_t offset );
 215 #endif /* HAVE_PREAD */
 216
 217 #ifndef HAVE_PWRITE
 218 ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
 219 #endif /* HAVE_PWRITE */
 220
 221 #ifndef HAVE_READLINK
 222 int readlink( const char *path, char *buf, size_t size );
 223 #endif /* HAVE_READLINK */
 224
 225 #ifndef HAVE_SYMLINK
 226 int symlink(const char *from, const char *to);
 227 #endif
 228
 229 extern int mkstemps(char *template, int suffix_len);
 230
 231 #endif /* !defined(__WINE_WINE_PORT_H) */