X-Git-Url: http://sjero.net/git/?p=wget;a=blobdiff_plain;f=lib%2Funistd.in.h;h=1abcf83e5ec014c3db51cd6cce41fa9cf82046c1;hp=17b29affdd25d306e55a68e22a7bbf17fdd7611a;hb=cb555a94fa5188122569ed3803c463f27ccd0261;hpb=2e2ac6ad2fc90eaf46ae5fee0bc4f61dd97b4284 diff --git a/lib/unistd.in.h b/lib/unistd.in.h index 17b29aff..1abcf83e 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around . - Copyright (C) 2004-2008 Free Software Foundation, Inc. + Copyright (C) 2003-2009 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 @@ -17,6 +17,10 @@ #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_NEXT@ @NEXT_UNISTD_H@ @@ -25,17 +29,83 @@ #ifndef _GL_UNISTD_H #define _GL_UNISTD_H -/* mingw doesn't define the SEEK_* macros in . */ +/* NetBSD 5.0 mis-defines NULL. Also get size_t. */ +#include + +/* mingw doesn't define the SEEK_* or *_FILENO macros in . */ #if !(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) # include #endif /* mingw fails to declare _exit in . */ +/* mingw, BeOS, Haiku declare environ in , not in . */ #include +#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ +/* Get ssize_t. */ +# include +#endif + +/* Get getopt(), optarg, optind, opterr, optopt. */ +#if @GNULIB_UNISTD_H_GETOPT@ +# include +#endif + +#if @GNULIB_GETHOSTNAME@ +/* Get all possible declarations of gethostname(). */ +# if @UNISTD_H_HAVE_WINSOCK2_H@ +# include +# 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. */ +/* OS/2 EMX lacks these macros. */ +#ifndef STDIN_FILENO +# define STDIN_FILENO 0 +#endif +#ifndef STDOUT_FILENO +# define STDOUT_FILENO 1 +#endif +#ifndef STDERR_FILENO +# define STDERR_FILENO 2 +#endif + /* Declare overridden functions. */ #ifdef __cplusplus @@ -68,11 +138,33 @@ extern int chown (const char *file, uid_t uid, gid_t gid); #endif +#if @GNULIB_CLOSE@ +# 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_AND_USE_SOCKETS@ +# 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@ +# if @REPLACE_DUP2@ +# define dup2 rpl_dup2 +# endif +# if !@HAVE_DUP2@ || @REPLACE_DUP2@ /* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if NEWFD = OLDFD, otherwise close NEWFD first if it is open. - Return 0 if successful, otherwise -1 and errno set. + Return newfd if successful, otherwise -1 and errno set. See the POSIX:2001 specification . */ extern int dup2 (int oldfd, int newfd); @@ -86,6 +178,28 @@ extern int dup2 (int oldfd, int newfd); #endif +#if @GNULIB_DUP3@ +/* Copy the file descriptor OLDFD into file descriptor NEWFD, with the + specified flags. + The flags are a bitmask, possibly including O_CLOEXEC (defined in ) + and O_TEXT, O_BINARY (defined in "binary-io.h"). + Close NEWFD first if it is open. + Return newfd if successful, otherwise -1 and errno set. + See the Linux man page at + . */ +# if @HAVE_DUP3@ +# define dup3 rpl_dup3 +# endif +extern int dup3 (int oldfd, int newfd, int flags); +#elif defined GNULIB_POSIXCHECK +# undef dup3 +# define dup3(o,n,f) \ + (GL_LINK_WARNING ("dup3 is unportable - " \ + "use gnulib module dup3 for portability"), \ + dup3 (o, n, f)) +#endif + + #if @GNULIB_ENVIRON@ # if !@HAVE_DECL_ENVIRON@ /* Set of environment variables and values. An array of strings of the form @@ -106,6 +220,21 @@ extern char **environ; #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@ @@ -116,12 +245,14 @@ extern char **environ; . */ 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 -extern int dup2 (int, int); + +/* Gnulib internal hooks needed to maintain the fchdir metadata. */ +extern int _gl_register_fd (int fd, const char *filename); +extern void _gl_unregister_fd (int fd); +extern int _gl_register_dup (int oldfd, int newfd); +extern const char *_gl_directory_name (int fd); # endif #elif defined GNULIB_POSIXCHECK @@ -133,6 +264,23 @@ extern int dup2 (int, int); #endif +#if @GNULIB_FSYNC@ +/* Synchronize changes to a file. + Return 0 if successful, otherwise -1 and errno set. + See POSIX:2001 specification + . */ +# if !@HAVE_FSYNC@ +extern int fsync (int fd); +# endif +#elif defined GNULIB_POSIXCHECK +# undef fsync +# define fsync(fd) \ + (GL_LINK_WARNING ("fsync is unportable - " \ + "use gnulib module fsync for portability"), \ + fsync (fd)) +#endif + + #if @GNULIB_FTRUNCATE@ # if !@HAVE_FTRUNCATE@ /* Change the size of the file to which FD is opened to become equal to LENGTH. @@ -177,6 +325,71 @@ extern char * getcwd (char *buf, size_t size); #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. + In POSIX, this is same as sysconf (_SC_OPEN_MAX). */ +extern int getdtablesize (void); +# endif +#elif defined GNULIB_POSIXCHECK +# undef getdtablesize +# define getdtablesize() \ + (GL_LINK_WARNING ("getdtablesize is unportable - " \ + "use gnulib module getdtablesize for portability"), \ + getdtablesize ()) +#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. @@ -188,7 +401,6 @@ extern char * getcwd (char *buf, size_t size); See . */ # if !@HAVE_DECL_GETLOGIN_R@ -# include extern int getlogin_r (char *name, size_t size); # endif #elif defined GNULIB_POSIXCHECK @@ -258,6 +470,36 @@ extern int getpagesize (void); #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 @@ -277,6 +519,23 @@ extern int lchown (char const *file, uid_t owner, gid_t group); #endif +#if @GNULIB_LINK@ +/* Create a new hard link for an existing file. + Return 0 if successful, otherwise -1 and errno set. + See POSIX:2001 specification + . */ +# if !@HAVE_LINK@ +extern int link (const char *path1, const char *path2); +# endif +#elif defined GNULIB_POSIXCHECK +# undef link +# define link(path1,path2) \ + (GL_LINK_WARNING ("link is unportable - " \ + "use gnulib module link for portability"), \ + link (path1, path2)) +#endif + + #if @GNULIB_LSEEK@ # if @REPLACE_LSEEK@ /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. @@ -295,6 +554,28 @@ extern int lchown (char const *file, uid_t owner, gid_t group); #endif +#if @GNULIB_PIPE2@ +/* Create a pipe, applying the given flags when opening the read-end of the + pipe and the write-end of the pipe. + The flags are a bitmask, possibly including O_CLOEXEC (defined in ) + and O_TEXT, O_BINARY (defined in "binary-io.h"). + Store the read-end as fd[0] and the write-end as fd[1]. + Return 0 upon success, or -1 with errno set upon failure. + See also the Linux man page at + . */ +# if @HAVE_PIPE2@ +# define pipe2 rpl_pipe2 +# endif +extern int pipe2 (int fd[2], int flags); +#elif defined GNULIB_POSIXCHECK +# undef pipe2 +# define pipe2(f,o) \ + (GL_LINK_WARNING ("pipe2 is unportable - " \ + "use gnulib module pipe2 for portability"), \ + pipe2 (f, o)) +#endif + + #if @GNULIB_READLINK@ /* Read the contents of the symbolic link FILE and place the first BUFSIZE bytes of it into BUF. Return the number of bytes placed into BUF if @@ -302,7 +583,6 @@ extern int lchown (char const *file, uid_t owner, gid_t group); See the POSIX:2001 specification . */ # if !@HAVE_READLINK@ -# include extern int readlink (const char *file, char *buf, size_t bufsize); # endif #elif defined GNULIB_POSIXCHECK @@ -331,6 +611,16 @@ extern unsigned int sleep (unsigned int n); #endif +#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ +/* Write up to COUNT bytes starting at BUF to file descriptor FD. + See the POSIX:2001 specification + . */ +# undef write +# define write rpl_write +extern ssize_t write (int fd, const void *buf, size_t count); +#endif + + #ifdef __cplusplus } #endif