/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * unistd.h: POSIX emulation for WIN32
- *
+ * unistd.h: POSIX emulation for Windows
+ *
* Known contributors to this file:
* Ron Koenderink, 2007
+ * Markus Armbruster, 2007-2009
+ */
+
+/*
+ * We can provide POSIX headers that don't exist in Windows, but we
+ * can't augment existing headers. Some stuff that should be in such
+ * headers ends up here, and some in w32misc.h. Can't be helped.
*/
#ifndef UNISTD_H
#define UNISTD_H
+/*
+ * We override system functions by defining them as macros. This
+ * breaks if the system's declaration is included later. Include them
+ * here. Major name space pollution, can't be helped.
+ */
+#include <getopt.h>
#include <io.h>
-#include <stdio.h>
-#ifdef fileno
-#undef fileno
-#endif
-#include "sys/socket.h"
-#include "getopt.h"
+#include <direct.h>
#include <sys/stat.h>
+#include "w32types.h"
/*
- * posixfile.c
+ * w32file.c
*/
-#define mkdir(dir, perm) posix_mkdir((dir), (perm))
+/* Should be in sys/stat.h */
+#define mkdir(dir, perm) w32_mkdir((dir), (perm))
+extern int w32_mkdir(const char *dirname, mode_t perm);
-extern int posix_mkdir(const char *dirname, int perm);
-
-/*
- * posixio.c
- */
+/* Should be in sys/stat.h */
#ifndef S_IRUSR
#define S_IRUSR _S_IREAD
#define S_IWUSR _S_IWRITE
#define S_IRWXO S_IROTH | S_IWOTH | S_IXOTH
#endif
-typedef int socklen_t;
-
-#define accept(fd, addr, addrlen) \
- posix_accept((fd), (addr), (addrlen))
-#define bind(fd, name, namelen) \
- posix_bind((fd), (name), (namelen))
-#define listen(fd, backlog) \
- posix_listen((fd), (backlog))
-#define setsockopt(fd, level, optname, optval, optlen) \
- posix_setsockopt((fd), (level), (optname), (optval), (optlen))
-#define shutdown(fd, how) \
- posix_shutdown((fd), (how))
-#define socket(domain, type, protocol) \
- posix_socket((domain), (type), (protocol))
-
-#define close(fd) \
- posix_close((fd))
-#define creat(fname, pmode) \
- posix_open((fname), _O_WRONLY | _O_CREAT |_O_TRUNC, (pmode))
-#define fstat(fd, buffer) \
- posix_fstat((fd), (buffer))
-#define lseek(fd, offset, origin) \
- posix_lseek((fd), (offset), (origin))
-#define open(fname, oflag, ...) \
- posix_open((fname), (oflag), __VA_ARGS__)
-#define read posix_read
-#define write(fd, buffer, count) \
- posix_write((fd), (buffer), (count))
-#define fileno(stream) \
- posix_fileno((stream))
-#define fsync(fd) \
- posix_fsync((fd))
-
+/* Should be in fcntl.h */
#define O_NONBLOCK 1
-#define F_RDLCK 0
-#define F_WRLCK 1
+
#define F_GETFL 1
#define F_SETFL 2
-#define F_SETLK 3
-#define EWOULDBLOCK WSAEWOULDBLOCK
-#define ENOTSOCK WSAENOTSOCK
-struct flock
-{
- int l_type;
- int l_whence;
- int l_start;
- int l_len;
-};
-
-extern int posix_fd2socket(int fd);
-
-extern int posix_accept(int fd, struct sockaddr *addr, socklen_t *addrlen);
-extern int posix_bind(int fd, const struct sockaddr *name, int namelen);
-extern int posix_listen(int fd, int backlog);
-extern int posix_setsockopt(int fd, int level, int optname,
- const void *optval, int optlen);
-extern int posix_shutdown(int fd, int how);
-extern int posix_socket(int domain, int type, int protocol);
+extern int fcntl(int fd, int cmd, ...);
-extern int posix_close(int fd);
-extern int posix_fstat(int fd, struct stat *buffer);
-extern int posix_lseek(int fd, long offset, int origin);
-extern int posix_open(const char *fname, int oflag, ...);
-extern int posix_read(int fd, void *buffer, unsigned int count);
-extern int posix_write(int fd, const void *buffer, unsigned int count);
+/* Stuff that actually belongs here */
+#define close(fd) w32_close_function((fd))
+extern int (*w32_close_function)(int);
+#define ftruncate(fd, length) _chsize((fd), (length))
+#define read(fd, buf, sz) w32_read_function((fd), (buf), (sz))
+extern int (*w32_read_function)(int, void *, unsigned);
+#define write(fd, buf, sz) w32_write_function((fd), (buf), (sz))
+extern int (*w32_write_function)(int, const void *, unsigned);
-extern int posix_fileno(FILE *stream);
-extern int posix_fsync(int fd);
-extern int fcntl(int fd, int cmd, ...);
#endif /* UNISTD_H */