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#include <winsock2.h>
 
/*
 * things that are not available in header files
 */
 
typedef int pid_t;
#define hstrerror strerror
 
#define S_IFLNK    0120000 /* Symbolic link */
#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
#define S_ISSOCK(x) 0
#define S_IRGRP 0
#define S_IWGRP 0
#define S_IXGRP 0
#define S_ISGID 0
#define S_IROTH 0
#define S_IXOTH 0
 
#define WIFEXITED(x) ((unsigned)(x) < 259)	/* STILL_ACTIVE */
#define WEXITSTATUS(x) ((x) & 0xff)
#define WIFSIGNALED(x) ((unsigned)(x) > 259)
 
#define SIGKILL 0
#define SIGCHLD 0
#define SIGPIPE 0
#define SIGHUP 0
#define SIGQUIT 0
#define SIGALRM 100
 
#define F_GETFD 1
#define F_SETFD 2
#define FD_CLOEXEC 0x1
 
struct passwd {
	char *pw_name;
	char *pw_gecos;
	char *pw_dir;
};
 
struct pollfd {
	int fd;           /* file descriptor */
	short events;     /* requested events */
	short revents;    /* returned events */
};
#define POLLIN 1
#define POLLHUP 2
 
typedef void (__cdecl *sig_handler_t)(int);
struct sigaction {
	sig_handler_t sa_handler;
	unsigned sa_flags;
};
#define sigemptyset(x) (void)0
#define SA_RESTART 0
 
struct itimerval {
	struct timeval it_value, it_interval;
};
#define ITIMER_REAL 0
 
#define st_blocks st_size/512	/* will be cleaned up later */
#define lstat stat
 
/*
 * trivial stubs
 */
 
static inline int readlink(const char *path, char *buf, size_t bufsiz)
{ errno = ENOSYS; return -1; }
static inline int symlink(const char *oldpath, const char *newpath)
{ errno = ENOSYS; return -1; }
static inline int link(const char *oldpath, const char *newpath)
{ errno = ENOSYS; return -1; }
static inline int fchmod(int fildes, mode_t mode)
{ errno = ENOSYS; return -1; }
static inline int fork(void)
{ errno = ENOSYS; return -1; }
static inline unsigned int alarm(unsigned int seconds)
{ return 0; }
static inline int fsync(int fd)
{ return 0; }
static inline int getppid(void)
{ return 1; }
static inline void sync(void)
{}
static inline int getuid()
{ return 1; }
static inline struct passwd *getpwnam(const char *name)
{ return NULL; }
static inline int fcntl(int fd, int cmd, long arg)
{
	if (cmd == F_GETFD || cmd == F_SETFD)
		return 0;
	errno = EINVAL;
	return -1;
}
 
/*
 * simple adaptors
 */
 
static inline int mingw_mkdir(const char *path, int mode)
{
	return mkdir(path);
}
#define mkdir mingw_mkdir
 
static inline int waitpid(pid_t pid, unsigned *status, unsigned options)
{
	if (options == 0)
		return _cwait(status, pid, 0);
	errno = EINVAL;
	return -1;
}
 
 
static inline int pipe(int filedes[2])
{ return _pipe(filedes, 8192, 0); }
 
/*
 * implementations of missing functions
 */
 
unsigned int sleep (unsigned int seconds);
int mkstemp(char *template);
int gettimeofday(struct timeval *tv, void *tz);
int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
struct tm *gmtime_r(const time_t *timep, struct tm *result);
struct tm *localtime_r(const time_t *timep, struct tm *result);
int getpagesize(void);	/* defined in MinGW's libgcc.a */
struct passwd *getpwuid(int uid);
int setitimer(int type, struct itimerval *in, struct itimerval *out);
int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 
/*
 * replacements of existing functions
 */
 
char *mingw_getcwd(char *pointer, int len);
#define getcwd mingw_getcwd
 
/*
 * git specific compatibility
 */
 
#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
#define PATH_SEP ';'