/* Substitute for and wrapper around <unistd.h>.
- Copyright (C) 2004-2008 Free Software Foundation, Inc.
+ Copyright (C) 2003-2008 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef _GL_UNISTD_H
+#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
+#endif
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_UNISTD_H@
# include <sys/types.h>
#endif
+#if @GNULIB_GETHOSTNAME@
+/* Get all possible declarations of gethostname(). */
+# if @UNISTD_H_HAVE_WINSOCK2_H@
+# include <winsock2.h>
+# if !defined _GL_SYS_SOCKET_H
+# undef socket
+# define socket socket_used_without_including_sys_socket_h
+# undef connect
+# define connect connect_used_without_including_sys_socket_h
+# undef accept
+# define accept accept_used_without_including_sys_socket_h
+# undef bind
+# define bind bind_used_without_including_sys_socket_h
+# undef getpeername
+# define getpeername getpeername_used_without_including_sys_socket_h
+# undef getsockname
+# define getsockname getsockname_used_without_including_sys_socket_h
+# undef getsockopt
+# define getsockopt getsockopt_used_without_including_sys_socket_h
+# undef listen
+# define listen listen_used_without_including_sys_socket_h
+# undef recv
+# define recv recv_used_without_including_sys_socket_h
+# undef send
+# define send send_used_without_including_sys_socket_h
+# undef recvfrom
+# define recvfrom recvfrom_used_without_including_sys_socket_h
+# undef sendto
+# define sendto sendto_used_without_including_sys_socket_h
+# undef setsockopt
+# define setsockopt setsockopt_used_without_including_sys_socket_h
+# undef shutdown
+# define shutdown shutdown_used_without_including_sys_socket_h
+# endif
+# if !defined _GL_SYS_SELECT_H
+# undef select
+# define select select_used_without_including_sys_select_h
+# endif
+# endif
+#endif
+
/* The definition of GL_LINK_WARNING is copied here. */
#endif
+#if @GNULIB_CLOSE@
+# if @UNISTD_H_HAVE_WINSOCK2_H@
+/* Need a gnulib internal function. */
+# define HAVE__GL_CLOSE_FD_MAYBE_SOCKET 1
+# endif
+# if @REPLACE_CLOSE@
+/* Automatically included by modules that need a replacement for close. */
+# undef close
+# define close rpl_close
+extern int close (int);
+# endif
+#elif @UNISTD_H_HAVE_WINSOCK2_H@
+# undef close
+# define close close_used_without_requesting_gnulib_module_close
+#elif defined GNULIB_POSIXCHECK
+# undef close
+# define close(f) \
+ (GL_LINK_WARNING ("close does not portably work on sockets - " \
+ "use gnulib module close for portability"), \
+ close (f))
+#endif
+
+
#if @GNULIB_DUP2@
# if !@HAVE_DUP2@
/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if
#endif
+#if @GNULIB_EUIDACCESS@
+# if !@HAVE_EUIDACCESS@
+/* Like access(), except that is uses the effective user id and group id of
+ the current process. */
+extern int euidaccess (const char *filename, int mode);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef euidaccess
+# define euidaccess(f,m) \
+ (GL_LINK_WARNING ("euidaccess is unportable - " \
+ "use gnulib module euidaccess for portability"), \
+ euidaccess (f, m))
+#endif
+
+
#if @GNULIB_FCHDIR@
# if @REPLACE_FCHDIR@
<http://www.opengroup.org/susv3xsh/fchdir.html>. */
extern int fchdir (int /*fd*/);
-# define close rpl_close
-extern int close (int);
# define dup rpl_dup
extern int dup (int);
# define dup2 rpl_dup2
#endif
+#if @GNULIB_GETDOMAINNAME@
+/* Return the NIS domain name of the machine.
+ WARNING! The NIS domain name is unrelated to the fully qualified host name
+ of the machine. It is also unrelated to email addresses.
+ WARNING! The NIS domain name is usually the empty string or "(none)" when
+ not using NIS.
+
+ Put up to LEN bytes of the NIS domain name into NAME.
+ Null terminate it if the name is shorter than LEN.
+ If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
+ Return 0 if successful, otherwise set errno and return -1. */
+# if !@HAVE_GETDOMAINNAME@
+extern int getdomainname(char *name, size_t len);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getdomainname
+# define getdomainname(n,l) \
+ (GL_LINK_WARNING ("getdomainname is unportable - " \
+ "use gnulib module getdomainname for portability"), \
+ getdomainname (n, l))
+#endif
+
+
#if @GNULIB_GETDTABLESIZE@
# if !@HAVE_GETDTABLESIZE@
/* Return the maximum number of file descriptors in the current process. */
#endif
+#if @GNULIB_GETHOSTNAME@
+/* Return the standard host name of the machine.
+ WARNING! The host name may or may not be fully qualified.
+
+ Put up to LEN bytes of the host name into NAME.
+ Null terminate it if the name is shorter than LEN.
+ If the host name is longer than LEN, set errno = EINVAL and return -1.
+ Return 0 if successful, otherwise set errno and return -1. */
+# if @UNISTD_H_HAVE_WINSOCK2_H@
+# undef gethostname
+# define gethostname rpl_gethostname
+# endif
+# if @UNISTD_H_HAVE_WINSOCK2_H@ || !@HAVE_GETHOSTNAME@
+extern int gethostname(char *name, size_t len);
+# endif
+#elif @UNISTD_H_HAVE_WINSOCK2_H@
+# undef gethostname
+# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname
+#elif defined GNULIB_POSIXCHECK
+# undef gethostname
+# define gethostname(n,l) \
+ (GL_LINK_WARNING ("gethostname is unportable - " \
+ "use gnulib module gethostname for portability"), \
+ gethostname (n, l))
+#endif
+
+
#if @GNULIB_GETLOGIN_R@
/* Copies the user's login name to NAME.
The array pointed to by NAME has room for SIZE bytes.
#endif
+#if @GNULIB_GETUSERSHELL@
+# if !@HAVE_GETUSERSHELL@
+/* Return the next valid login shell on the system, or NULL when the end of
+ the list has been reached. */
+extern char *getusershell (void);
+/* Rewind to pointer that is advanced at each getusershell() call. */
+extern void setusershell (void);
+/* Free the pointer that is advanced at each getusershell() call and
+ associated resources. */
+extern void endusershell (void);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getusershell
+# define getusershell() \
+ (GL_LINK_WARNING ("getusershell is unportable - " \
+ "use gnulib module getusershell for portability"), \
+ getusershell ())
+# undef setusershell
+# define setusershell() \
+ (GL_LINK_WARNING ("setusershell is unportable - " \
+ "use gnulib module getusershell for portability"), \
+ setusershell ())
+# undef endusershell
+# define endusershell() \
+ (GL_LINK_WARNING ("endusershell is unportable - " \
+ "use gnulib module getusershell for portability"), \
+ endusershell ())
+#endif
+
+
#if @GNULIB_LCHOWN@
# if @REPLACE_LCHOWN@
/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
#endif
+#ifdef FCHDIR_REPLACEMENT
+/* gnulib internal function. */
+extern void _gl_unregister_fd (int fd);
+#endif
+
+
#ifdef __cplusplus
}
#endif
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