X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=gnu%2Funistd.in.h;fp=gnu%2Funistd.in.h;h=493d67728c1b1e414a49e9a9c384b69770a5dce2;hp=316c51e8f522e0e41599a07933131380b5198508;hb=de7372b23c3da92fbfaea2d1ac592f0b2ba87914;hpb=fbbfb9406a82e647ce27b6462b11a802fa48f31a diff --git a/gnu/unistd.in.h b/gnu/unistd.in.h index 316c51e..493d677 100644 --- a/gnu/unistd.in.h +++ b/gnu/unistd.in.h @@ -17,18 +17,43 @@ along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#ifndef _GL_UNISTD_H - #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif +@PRAGMA_COLUMNS@ + +/* Special invocation convention: + - On mingw, several headers, including , include , + but we need to ensure that both the system and + are completely included before we replace gethostname. */ +#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \ + && !defined _GL_WINSOCK2_H_WITNESS && defined _WINSOCK2_H +/* is being indirectly included for the first time from + ; avoid declaring any overrides. */ +# if @HAVE_UNISTD_H@ +# @INCLUDE_NEXT@ @NEXT_UNISTD_H@ +# else +# error unexpected; report this to bug-gnulib@gnu.org +# endif +# define _GL_WINSOCK2_H_WITNESS + +/* Normal invocation. */ +#elif !defined _GL_UNISTD_H /* The include_next requires a split double-inclusion guard. */ #if @HAVE_UNISTD_H@ # @INCLUDE_NEXT@ @NEXT_UNISTD_H@ #endif -#ifndef _GL_UNISTD_H +/* Get all possible declarations of gethostname(). */ +#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \ + && !defined _GL_INCLUDING_WINSOCK2_H +# define _GL_INCLUDING_WINSOCK2_H +# include +# undef _GL_INCLUDING_WINSOCK2_H +#endif + +#if !defined _GL_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H #define _GL_UNISTD_H /* NetBSD 5.0 mis-defines NULL. Also get size_t. */ @@ -64,7 +89,7 @@ #endif #if (@GNULIB_WRITE@ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \ - || @GNULIB_PREAD@ || defined GNULIB_POSIXCHECK) + || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK) /* Get ssize_t. */ # include #endif @@ -75,53 +100,89 @@ # include #endif +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + + #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 +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# 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 +# else + _GL_WARN_ON_USE (socket, + "socket() used without including "); + _GL_WARN_ON_USE (connect, + "connect() used without including "); + _GL_WARN_ON_USE (accept, + "accept() used without including "); + _GL_WARN_ON_USE (bind, + "bind() used without including "); + _GL_WARN_ON_USE (getpeername, + "getpeername() used without including "); + _GL_WARN_ON_USE (getsockname, + "getsockname() used without including "); + _GL_WARN_ON_USE (getsockopt, + "getsockopt() used without including "); + _GL_WARN_ON_USE (listen, + "listen() used without including "); + _GL_WARN_ON_USE (recv, + "recv() used without including "); + _GL_WARN_ON_USE (send, + "send() used without including "); + _GL_WARN_ON_USE (recvfrom, + "recvfrom() used without including "); + _GL_WARN_ON_USE (sendto, + "sendto() used without including "); + _GL_WARN_ON_USE (setsockopt, + "setsockopt() used without including "); + _GL_WARN_ON_USE (shutdown, + "shutdown() used without including "); +# endif # endif # if !defined _GL_SYS_SELECT_H -# undef select -# define select select_used_without_including_sys_select_h +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef select +# define select select_used_without_including_sys_select_h +# else + _GL_WARN_ON_USE (select, + "select() used without including "); +# endif # endif # endif #endif -/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ - -/* The definition of _GL_ARG_NONNULL is copied here. */ - -/* The definition of _GL_WARN_ON_USE is copied here. */ - /* OS/2 EMX lacks these macros. */ #ifndef STDIN_FILENO @@ -357,9 +418,8 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - " Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification . */ -# if @REPLACE_FCHDIR@ -_GL_FUNCDECL_RPL (fchdir, int, (int /*fd*/)); -_GL_CXXALIAS_RPL (fchdir, int, (int /*fd*/)); +# if ! @HAVE_FCHDIR@ +_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); /* Gnulib internal hooks needed to maintain the fchdir metadata. */ _GL_EXTERN_C int _gl_register_fd (int fd, const char *filename) @@ -368,9 +428,8 @@ _GL_EXTERN_C void _gl_unregister_fd (int fd); _GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd); _GL_EXTERN_C const char *_gl_directory_name (int fd); -# else -_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/)); # endif +_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/)); _GL_CXXALIASWARN (fchdir); #elif defined GNULIB_POSIXCHECK # undef fchdir @@ -467,7 +526,9 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - " _GL_FUNCDECL_RPL (getcwd, char *, (char *buf, size_t size)); _GL_CXXALIAS_RPL (getcwd, char *, (char *buf, size_t size)); # else -_GL_CXXALIAS_SYS (getcwd, char *, (char *buf, size_t size)); +/* Need to cast, because on mingw, the second parameter is + int size. */ +_GL_CXXALIAS_SYS_CAST (getcwd, char *, (char *buf, size_t size)); # endif _GL_CXXALIASWARN (getcwd); #elif defined GNULIB_POSIXCHECK @@ -715,7 +776,9 @@ getpagesize () /* Need to cast, because on Cygwin 1.5.x systems, the return type is size_t. */ _GL_CXXALIAS_SYS_CAST (getpagesize, int, (void)); # endif +# if @HAVE_DECL_GETPAGESIZE@ _GL_CXXALIASWARN (getpagesize); +# endif #elif defined GNULIB_POSIXCHECK # undef getpagesize # if HAVE_RAW_DECL_GETPAGESIZE @@ -728,7 +791,7 @@ _GL_WARN_ON_USE (getpagesize, "getpagesize is unportable - " #if @GNULIB_GETUSERSHELL@ /* Return the next valid login shell on the system, or NULL when the end of the list has been reached. */ -# if !@HAVE_GETUSERSHELL@ +# if !@HAVE_DECL_GETUSERSHELL@ _GL_FUNCDECL_SYS (getusershell, char *, (void)); # endif _GL_CXXALIAS_SYS (getusershell, char *, (void)); @@ -743,7 +806,7 @@ _GL_WARN_ON_USE (getusershell, "getusershell is unportable - " #if @GNULIB_GETUSERSHELL@ /* Rewind to pointer that is advanced at each getusershell() call. */ -# if !@HAVE_GETUSERSHELL@ +# if !@HAVE_DECL_GETUSERSHELL@ _GL_FUNCDECL_SYS (setusershell, void, (void)); # endif _GL_CXXALIAS_SYS (setusershell, void, (void)); @@ -759,7 +822,7 @@ _GL_WARN_ON_USE (setusershell, "setusershell is unportable - " #if @GNULIB_GETUSERSHELL@ /* Free the pointer that is advanced at each getusershell() call and associated resources. */ -# if !@HAVE_GETUSERSHELL@ +# if !@HAVE_DECL_GETUSERSHELL@ _GL_FUNCDECL_SYS (endusershell, void, (void)); # endif _GL_CXXALIAS_SYS (endusershell, void, (void)); @@ -956,6 +1019,40 @@ _GL_WARN_ON_USE (pread, "pread is unportable - " #endif +#if @GNULIB_PWRITE@ +/* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET. + Return the number of bytes written if successful, otherwise + set errno and return -1. 0 indicates nothing written. See the + POSIX:2001 specification + . */ +# if @REPLACE_PWRITE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define pwrite rpl_pwrite +# endif +_GL_FUNCDECL_RPL (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset)); +# else +# if !@HAVE_PWRITE@ +_GL_FUNCDECL_SYS (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset)); +# endif +_GL_CXXALIASWARN (pwrite); +#elif defined GNULIB_POSIXCHECK +# undef pwrite +# if HAVE_RAW_DECL_PWRITE +_GL_WARN_ON_USE (pwrite, "pwrite is unportable - " + "use gnulib module pwrite for portability"); +# endif +#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 @@ -1003,7 +1100,7 @@ _GL_CXXALIASWARN (readlinkat); # undef readlinkat # if HAVE_RAW_DECL_READLINKAT _GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - " - "use gnulib module symlinkat for portability"); + "use gnulib module readlinkat for portability"); # endif #endif @@ -1101,6 +1198,36 @@ _GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - " #endif +#if @GNULIB_TTYNAME_R@ +/* Store at most BUFLEN characters of the pathname of the terminal FD is + open on in BUF. Return 0 on success, otherwise an error number. */ +# if @REPLACE_TTYNAME_R@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ttyname_r +# define ttyname_r rpl_ttyname_r +# endif +_GL_FUNCDECL_RPL (ttyname_r, int, + (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (ttyname_r, int, + (int fd, char *buf, size_t buflen)); +# else +# if !@HAVE_TTYNAME_R@ +_GL_FUNCDECL_SYS (ttyname_r, int, + (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (ttyname_r, int, + (int fd, char *buf, size_t buflen)); +# endif +_GL_CXXALIASWARN (ttyname_r); +#elif defined GNULIB_POSIXCHECK +# undef ttyname_r +# if HAVE_RAW_DECL_TTYNAME_R +_GL_WARN_ON_USE (ttyname_r, "ttyname_r is not portable - " + "use gnulib module ttyname_r for portability"); +# endif +#endif + + #if @GNULIB_UNLINK@ # if @REPLACE_UNLINK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -1189,7 +1316,10 @@ _GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count) _GL_ARG_NONNULL ((2))); _GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count)); # else -_GL_CXXALIAS_SYS (write, ssize_t, (int fd, const void *buf, size_t count)); +/* Need to cast, because on mingw, the third parameter is + unsigned int count + and the return type is 'int'. */ +_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count)); # endif _GL_CXXALIASWARN (write); #endif