compat/mingw.h

   1 #include <winsock2.h>
   2
   3 /*
   4  * things that are not available in header files
   5  */
   6
   7 typedef int pid_t;
   8 #define hstrerror strerror
   9
  10 #define S_IFLNK    0120000 /* Symbolic link */
  11 #define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
  12 #define S_ISSOCK(x) 0
  13 #define S_IRGRP 0
  14 #define S_IWGRP 0
  15 #define S_IXGRP 0
  16 #define S_ISGID 0
  17 #define S_IROTH 0
  18 #define S_IXOTH 0
  19
  20 #define WIFEXITED(x) ((unsigned)(x) < 259)      /* STILL_ACTIVE */
  21 #define WEXITSTATUS(x) ((x) & 0xff)
  22 #define WIFSIGNALED(x) ((unsigned)(x) > 259)
  23
  24 #define SIGKILL 0
  25 #define SIGCHLD 0
  26 #define SIGPIPE 0
  27 #define SIGHUP 0
  28 #define SIGQUIT 0
  29 #define SIGALRM 100
  30
  31 #define F_GETFD 1
  32 #define F_SETFD 2
  33 #define FD_CLOEXEC 0x1
  34
  35 struct passwd {
  36         char *pw_name;
  37         char *pw_gecos;
  38         char *pw_dir;
  39 };
  40
  41 struct pollfd {
  42         int fd;           /* file descriptor */
  43         short events;     /* requested events */
  44         short revents;    /* returned events */
  45 };
  46 #define POLLIN 1
  47 #define POLLHUP 2
  48
  49 typedef void (__cdecl *sig_handler_t)(int);
  50 struct sigaction {
  51         sig_handler_t sa_handler;
  52         unsigned sa_flags;
  53 };
  54 #define sigemptyset(x) (void)0
  55 #define SA_RESTART 0
  56
  57 struct itimerval {
  58         struct timeval it_value, it_interval;
  59 };
  60 #define ITIMER_REAL 0
  61
  62 #define st_blocks st_size/512   /* will be cleaned up later */
  63 #define lstat stat
  64
  65 /*
  66  * trivial stubs
  67  */
  68
  69 static inline int readlink(const char *path, char *buf, size_t bufsiz)
  70 { errno = ENOSYS; return -1; }
  71 static inline int symlink(const char *oldpath, const char *newpath)
  72 { errno = ENOSYS; return -1; }
  73 static inline int link(const char *oldpath, const char *newpath)
  74 { errno = ENOSYS; return -1; }
  75 static inline int fchmod(int fildes, mode_t mode)
  76 { errno = ENOSYS; return -1; }
  77 static inline int fork(void)
  78 { errno = ENOSYS; return -1; }
  79 static inline unsigned int alarm(unsigned int seconds)
  80 { return 0; }
  81 static inline int fsync(int fd)
  82 { return 0; }
  83 static inline int getppid(void)
  84 { return 1; }
  85 static inline void sync(void)
  86 {}
  87 static inline int getuid()
  88 { return 1; }
  89 static inline struct passwd *getpwnam(const char *name)
  90 { return NULL; }
  91 static inline int fcntl(int fd, int cmd, long arg)
  92 {
  93         if (cmd == F_GETFD || cmd == F_SETFD)
  94                 return 0;
  95         errno = EINVAL;
  96         return -1;
  97 }
  98
  99 /*
 100  * simple adaptors
 101  */
 102
 103 static inline int mingw_mkdir(const char *path, int mode)
 104 {
 105         return mkdir(path);
 106 }
 107 #define mkdir mingw_mkdir
 108
 109 static inline int mingw_unlink(const char *pathname)
 110 {
 111         /* read-only files cannot be removed */
 112         chmod(pathname, 0666);
 113         return unlink(pathname);
 114 }
 115 #define unlink mingw_unlink
 116
 117 static inline int waitpid(pid_t pid, unsigned *status, unsigned options)
 118 {
 119         if (options == 0)
 120                 return _cwait(status, pid, 0);
 121         errno = EINVAL;
 122         return -1;
 123 }
 124
 125 /*
 126  * implementations of missing functions
 127  */
 128
 129 int pipe(int filedes[2]);
 130 unsigned int sleep (unsigned int seconds);
 131 int mkstemp(char *template);
 132 int gettimeofday(struct timeval *tv, void *tz);
 133 int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
 134 struct tm *gmtime_r(const time_t *timep, struct tm *result);
 135 struct tm *localtime_r(const time_t *timep, struct tm *result);
 136 int getpagesize(void);  /* defined in MinGW's libgcc.a */
 137 struct passwd *getpwuid(int uid);
 138 int setitimer(int type, struct itimerval *in, struct itimerval *out);
 139 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 140
 141 /*
 142  * replacements of existing functions
 143  */
 144
 145 int mingw_open (const char *filename, int oflags, ...);
 146 #define open mingw_open
 147
 148 char *mingw_getcwd(char *pointer, int len);
 149 #define getcwd mingw_getcwd
 150
 151 struct hostent *mingw_gethostbyname(const char *host);
 152 #define gethostbyname mingw_gethostbyname
 153
 154 int mingw_socket(int domain, int type, int protocol);
 155 #define socket mingw_socket
 156
 157 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 158 #define connect mingw_connect
 159
 160 int mingw_rename(const char*, const char*);
 161 #define rename mingw_rename
 162
 163 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env);
 164 void mingw_execvp(const char *cmd, char *const *argv);
 165 #define execvp mingw_execvp
 166
 167 sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 168 #define signal mingw_signal
 169
 170 /*
 171  * git specific compatibility
 172  */
 173
 174 #define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 175 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 176 #define PATH_SEP ';'
 177 #define PRIuMAX "I64u"
 178
 179 /*
 180  * helpers
 181  */
 182
 183 char **copy_environ(void);
 184 void free_environ(char **env);
 185 char **env_setenv(char **env, const char *name);