~drizzle-trunk/drizzle/development : revision 994.2.8

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/* Substitute for and wrapper around <unistd.h>.

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This program is free software; you can redistribute it and/or modify

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it under the terms of the GNU Lesser General Public License as published by

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#ifndef _GL_UNISTD_H

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#if __GNUC__ >= 3

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@PRAGMA_SYSTEM_HEADER@

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#endif

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/* The include_next requires a split double-inclusion guard. */

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#if @HAVE_UNISTD_H@

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# @INCLUDE_NEXT@ @NEXT_UNISTD_H@

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#endif

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/* mingw fails to declare _exit in <unistd.h>. */

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/* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>. */

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#include <stdlib.h>

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#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@

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/* Get ssize_t. */

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# include <sys/types.h>

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#endif

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#if @GNULIB_GETHOSTNAME@

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/* Get all possible declarations of gethostname(). */

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# if @UNISTD_H_HAVE_WINSOCK2_H@

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# include <winsock2.h>

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# if !defined _GL_SYS_SOCKET_H

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# undef socket

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# define socket socket_used_without_including_sys_socket_h

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# undef connect

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# define connect connect_used_without_including_sys_socket_h

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# undef accept

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# define accept accept_used_without_including_sys_socket_h

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# undef bind

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# define bind bind_used_without_including_sys_socket_h

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# undef getpeername

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# define getpeername getpeername_used_without_including_sys_socket_h

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# undef getsockname

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# define getsockname getsockname_used_without_including_sys_socket_h

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# undef getsockopt

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# define getsockopt getsockopt_used_without_including_sys_socket_h

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# undef listen

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# define listen listen_used_without_including_sys_socket_h

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# undef recv

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# define recv recv_used_without_including_sys_socket_h

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# undef send

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# define send send_used_without_including_sys_socket_h

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# undef recvfrom

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# define recvfrom recvfrom_used_without_including_sys_socket_h

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# undef sendto

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# define sendto sendto_used_without_including_sys_socket_h

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# undef setsockopt

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# define setsockopt setsockopt_used_without_including_sys_socket_h

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# undef shutdown

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# define shutdown shutdown_used_without_including_sys_socket_h

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# endif

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# if !defined _GL_SYS_SELECT_H

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# undef select

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# define select select_used_without_including_sys_select_h

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# endif

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# endif

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#endif

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/* The definition of GL_LINK_WARNING is copied here. */

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#endif

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#if @GNULIB_CLOSE@

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# if @UNISTD_H_HAVE_WINSOCK2_H@

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/* Need a gnulib internal function. */

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# define HAVE__GL_CLOSE_FD_MAYBE_SOCKET 1

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# endif

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# if @REPLACE_CLOSE@

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/* Automatically included by modules that need a replacement for close. */

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# undef close

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# define close rpl_close

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extern int close (int);

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# endif

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#elif @UNISTD_H_HAVE_WINSOCK2_H@

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# undef close

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# define close close_used_without_requesting_gnulib_module_close

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#elif defined GNULIB_POSIXCHECK

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# undef close

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# define close(f) \

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(GL_LINK_WARNING ("close does not portably work on sockets - " \

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"use gnulib module close for portability"), \

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close (f))

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#endif

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#if @GNULIB_DUP2@

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# if !@HAVE_DUP2@

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/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if

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#endif

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#if @GNULIB_EUIDACCESS@

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# if !@HAVE_EUIDACCESS@

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/* Like access(), except that is uses the effective user id and group id of

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the current process. */

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extern int euidaccess (const char *filename, int mode);

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# endif

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#elif defined GNULIB_POSIXCHECK

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# undef euidaccess

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# define euidaccess(f,m) \

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(GL_LINK_WARNING ("euidaccess is unportable - " \

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"use gnulib module euidaccess for portability"), \

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euidaccess (f, m))

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#endif

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#if @GNULIB_FCHDIR@

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# if @REPLACE_FCHDIR@

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<http://www.opengroup.org/susv3xsh/fchdir.html>. */

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extern int fchdir (int /*fd*/);

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# define close rpl_close

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extern int close (int);

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# define dup rpl_dup

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extern int dup (int);

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# define dup2 rpl_dup2

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#endif

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#if @GNULIB_FSYNC@

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/* Synchronize changes to a file.

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Return 0 if successful, otherwise -1 and errno set.

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See POSIX:2001 specification

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<http://www.opengroup.org/susv3xsh/fsync.html>. */

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# if !@HAVE_FSYNC@

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extern int fsync (int fd);

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# endif

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#elif defined GNULIB_POSIXCHECK

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# undef fsync

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# define fsync(fd) \

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(GL_LINK_WARNING ("fsync is unportable - " \

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"use gnulib module fsync for portability"), \

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fsync (fd))

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#endif

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#if @GNULIB_FTRUNCATE@

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# if !@HAVE_FTRUNCATE@

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/* Change the size of the file to which FD is opened to become equal to LENGTH.

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#endif

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#if @GNULIB_GETDOMAINNAME@

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/* Return the NIS domain name of the machine.

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WARNING! The NIS domain name is unrelated to the fully qualified host name

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of the machine. It is also unrelated to email addresses.

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WARNING! The NIS domain name is usually the empty string or "(none)" when

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not using NIS.

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Put up to LEN bytes of the NIS domain name into NAME.

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Null terminate it if the name is shorter than LEN.

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If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.

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Return 0 if successful, otherwise set errno and return -1. */

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# if !@HAVE_GETDOMAINNAME@

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extern int getdomainname(char *name, size_t len);

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# endif

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#elif defined GNULIB_POSIXCHECK

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# undef getdomainname

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# define getdomainname(n,l) \

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(GL_LINK_WARNING ("getdomainname is unportable - " \

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"use gnulib module getdomainname for portability"), \

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getdomainname (n, l))

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#endif

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#if @GNULIB_GETDTABLESIZE@

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# if !@HAVE_GETDTABLESIZE@

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/* Return the maximum number of file descriptors in the current process. */

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extern int getdtablesize (void);

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# endif

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#elif defined GNULIB_POSIXCHECK

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# undef getdtablesize

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# define getdtablesize() \

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(GL_LINK_WARNING ("getdtablesize is unportable - " \

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"use gnulib module getdtablesize for portability"), \

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getdtablesize ())

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#endif

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#if @GNULIB_GETHOSTNAME@

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/* Return the standard host name of the machine.

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WARNING! The host name may or may not be fully qualified.

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Put up to LEN bytes of the host name into NAME.

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Null terminate it if the name is shorter than LEN.

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If the host name is longer than LEN, set errno = EINVAL and return -1.

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Return 0 if successful, otherwise set errno and return -1. */

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# if @UNISTD_H_HAVE_WINSOCK2_H@

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# undef gethostname

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# define gethostname rpl_gethostname

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# endif

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# if @UNISTD_H_HAVE_WINSOCK2_H@ || !@HAVE_GETHOSTNAME@

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extern int gethostname(char *name, size_t len);

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# endif

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#elif @UNISTD_H_HAVE_WINSOCK2_H@

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# undef gethostname

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# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname

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#elif defined GNULIB_POSIXCHECK

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# undef gethostname

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# define gethostname(n,l) \

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(GL_LINK_WARNING ("gethostname is unportable - " \

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"use gnulib module gethostname for portability"), \

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gethostname (n, l))

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#endif

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#if @GNULIB_GETLOGIN_R@

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/* Copies the user's login name to NAME.

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The array pointed to by NAME has room for SIZE bytes.

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#endif

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#if @GNULIB_GETUSERSHELL@

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# if !@HAVE_GETUSERSHELL@

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/* Return the next valid login shell on the system, or NULL when the end of

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the list has been reached. */

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extern char *getusershell (void);

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/* Rewind to pointer that is advanced at each getusershell() call. */

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extern void setusershell (void);

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/* Free the pointer that is advanced at each getusershell() call and

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associated resources. */

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extern void endusershell (void);

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# endif

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#elif defined GNULIB_POSIXCHECK

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# undef getusershell

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# define getusershell() \

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(GL_LINK_WARNING ("getusershell is unportable - " \

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"use gnulib module getusershell for portability"), \

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getusershell ())

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# undef setusershell

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# define setusershell() \

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(GL_LINK_WARNING ("setusershell is unportable - " \

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"use gnulib module getusershell for portability"), \

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setusershell ())

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# undef endusershell

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# define endusershell() \

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(GL_LINK_WARNING ("endusershell is unportable - " \

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"use gnulib module getusershell for portability"), \

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endusershell ())

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#endif

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#if @GNULIB_LCHOWN@

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# if @REPLACE_LCHOWN@

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/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE

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#endif

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#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@

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/* Write up to COUNT bytes starting at BUF to file descriptor FD.

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See the POSIX:2001 specification

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<http://www.opengroup.org/susv3xsh/write.html>. */

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# undef write

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# define write rpl_write

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extern ssize_t write (int fd, const void *buf, size_t count);

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#endif

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#ifdef FCHDIR_REPLACEMENT

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/* gnulib internal function. */

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extern void _gl_unregister_fd (int fd);

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#endif

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#ifdef __cplusplus

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}

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#endif