diff options
Diffstat (limited to 'gl/unistd.in.h')
| -rw-r--r-- | gl/unistd.in.h | 795 |
1 files changed, 575 insertions, 220 deletions
diff --git a/gl/unistd.in.h b/gl/unistd.in.h index 27c8b1713b..0c5c61687b 100644 --- a/gl/unistd.in.h +++ b/gl/unistd.in.h @@ -15,18 +15,42 @@ 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 +/* Special invocation convention: + - On mingw, several headers, including <winsock2.h>, include <unistd.h>, + but we need to ensure that both the system <unistd.h> and <winsock2.h> + are completely included before we replace gethostname. */ +#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \ + && !defined _GL_WINSOCK2_H_WITNESS && defined _WINSOCK2_H +/* <unistd.h> is being indirectly included for the first time from + <winsock2.h>; 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 <winsock2.h> +# 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. */ @@ -73,51 +97,89 @@ # include <getopt.h> #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 <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 +# 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 <sys/socket.h>"); + _GL_WARN_ON_USE (connect, + "connect() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (accept, + "accept() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (bind, + "bind() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (getpeername, + "getpeername() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (getsockname, + "getsockname() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (getsockopt, + "getsockopt() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (listen, + "listen() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (recv, + "recv() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (send, + "send() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (recvfrom, + "recvfrom() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (sendto, + "sendto() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (setsockopt, + "setsockopt() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (shutdown, + "shutdown() used without including <sys/socket.h>"); +# 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 <sys/select.h>"); +# endif # endif # endif #endif -/* 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 @@ -141,25 +203,36 @@ /* Declare overridden functions. */ -#ifdef __cplusplus -extern "C" { + +#if defined GNULIB_POSIXCHECK +/* The access() function is a security risk. */ +_GL_WARN_ON_USE (access, "the access function is a security risk - " + "use the gnulib module faccessat instead"); #endif #if @GNULIB_CHOWN@ -# if @REPLACE_CHOWN@ -# undef chown -# define chown rpl_chown -# endif -# if !@HAVE_CHOWN@ || @REPLACE_CHOWN@ /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE to GID (if GID is not -1). Follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/chown.html>. */ -extern int chown (const char *file, uid_t uid, gid_t gid) - _GL_ARG_NONNULL ((1)); +# if @REPLACE_CHOWN@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef chown +# define chown rpl_chown +# endif +_GL_FUNCDECL_RPL (chown, int, (const char *file, uid_t uid, gid_t gid) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (chown, int, (const char *file, uid_t uid, gid_t gid)); +# else +# if !@HAVE_CHOWN@ +_GL_FUNCDECL_SYS (chown, int, (const char *file, uid_t uid, gid_t gid) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (chown, int, (const char *file, uid_t uid, gid_t gid)); # endif +_GL_CXXALIASWARN (chown); #elif defined GNULIB_POSIXCHECK # undef chown # if HAVE_RAW_DECL_CHOWN @@ -173,10 +246,16 @@ _GL_WARN_ON_USE (chown, "chown fails to follow symlinks on some systems and " #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); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef close +# define close rpl_close +# endif +_GL_FUNCDECL_RPL (close, int, (int fd)); +_GL_CXXALIAS_RPL (close, int, (int fd)); +# else +_GL_CXXALIAS_SYS (close, int, (int fd)); # endif +_GL_CXXALIASWARN (close); #elif @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@ # undef close # define close close_used_without_requesting_gnulib_module_close @@ -189,23 +268,36 @@ _GL_WARN_ON_USE (close, "close does not portably work on sockets - " #if @REPLACE_DUP@ -# define dup rpl_dup -extern int dup (int); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define dup rpl_dup +# endif +_GL_FUNCDECL_RPL (dup, int, (int oldfd)); +_GL_CXXALIAS_RPL (dup, int, (int oldfd)); +#else +_GL_CXXALIAS_SYS (dup, int, (int oldfd)); #endif +_GL_CXXALIASWARN (dup); #if @GNULIB_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 newfd if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/dup2.html>. */ -extern int dup2 (int oldfd, int newfd); +# if @REPLACE_DUP2@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define dup2 rpl_dup2 +# endif +_GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd)); +_GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd)); +# else +# if !@HAVE_DUP2@ +_GL_FUNCDECL_SYS (dup2, int, (int oldfd, int newfd)); +# endif +_GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd)); # endif +_GL_CXXALIASWARN (dup2); #elif defined GNULIB_POSIXCHECK # undef dup2 # if HAVE_RAW_DECL_DUP2 @@ -225,9 +317,16 @@ _GL_WARN_ON_USE (dup2, "dup2 is unportable - " See the Linux man page at <http://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */ # if @HAVE_DUP3@ -# define dup3 rpl_dup3 +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define dup3 rpl_dup3 +# endif +_GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags)); +_GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags)); +# else +_GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags)); +_GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags)); # endif -extern int dup3 (int oldfd, int newfd, int flags); +_GL_CXXALIASWARN (dup3); #elif defined GNULIB_POSIXCHECK # undef dup3 # if HAVE_RAW_DECL_DUP3 @@ -245,7 +344,13 @@ _GL_WARN_ON_USE (dup3, "dup3 is unportable - " # include <crt_externs.h> # define environ (*_NSGetEnviron ()) # else +# ifdef __cplusplus +extern "C" { +# endif extern char **environ; +# ifdef __cplusplus +} +# endif # endif # endif #elif defined GNULIB_POSIXCHECK @@ -264,10 +369,18 @@ _GL_WARN_ON_USE (rpl_environ, "environ is unportable - " #if @GNULIB_EUIDACCESS@ -# if !@HAVE_EUIDACCESS@ /* Like access(), except that it uses the effective user id and group id of the current process. */ -extern int euidaccess (const char *filename, int mode) _GL_ARG_NONNULL ((1)); +# if !@HAVE_EUIDACCESS@ +_GL_FUNCDECL_SYS (euidaccess, int, (const char *filename, int mode) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (euidaccess, int, (const char *filename, int mode)); +_GL_CXXALIASWARN (euidaccess); +# if defined GNULIB_POSIXCHECK +/* Like access(), this function is a security risk. */ +_GL_WARN_ON_USE (euidaccess, "the euidaccess function is a security risk - " + "use the gnulib module faccessat instead"); # endif #elif defined GNULIB_POSIXCHECK # undef euidaccess @@ -280,9 +393,13 @@ _GL_WARN_ON_USE (euidaccess, "euidaccess is unportable - " #if @GNULIB_FACCESSAT@ # if !@HAVE_FACCESSAT@ -extern int faccessat (int fd, char const *file, int mode, int flag) - _GL_ARG_NONNULL ((2)); +_GL_FUNCDECL_SYS (faccessat, int, + (int fd, char const *file, int mode, int flag) + _GL_ARG_NONNULL ((2))); # endif +_GL_CXXALIAS_SYS (faccessat, int, + (int fd, char const *file, int mode, int flag)); +_GL_CXXALIASWARN (faccessat); #elif defined GNULIB_POSIXCHECK # undef faccessat # if HAVE_RAW_DECL_FACCESSAT @@ -293,22 +410,26 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - " #if @GNULIB_FCHDIR@ -# if @REPLACE_FCHDIR@ /* Change the process' current working directory to the directory on which the given file descriptor is open. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/fchdir.html>. */ -extern int fchdir (int /*fd*/); +# if @REPLACE_FCHDIR@ +_GL_FUNCDECL_RPL (fchdir, int, (int /*fd*/)); +_GL_CXXALIAS_RPL (fchdir, int, (int /*fd*/)); /* Gnulib internal hooks needed to maintain the fchdir metadata. */ -extern int _gl_register_fd (int fd, const char *filename) +_GL_EXTERN_C int _gl_register_fd (int fd, const char *filename) _GL_ARG_NONNULL ((2)); -extern void _gl_unregister_fd (int fd); -extern int _gl_register_dup (int oldfd, int newfd); -extern const char *_gl_directory_name (int fd); +_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_CXXALIASWARN (fchdir); #elif defined GNULIB_POSIXCHECK # undef fchdir # if HAVE_RAW_DECL_FCHDIR @@ -320,13 +441,25 @@ _GL_WARN_ON_USE (fchdir, "fchdir is unportable - " #if @GNULIB_FCHOWNAT@ # if @REPLACE_FCHOWNAT@ -# undef fchownat -# define fchownat rpl_fchownat -# endif -# if !@HAVE_FCHOWNAT@ || @REPLACE_FCHOWNAT@ -extern int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag) - _GL_ARG_NONNULL ((2)); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fchownat +# define fchownat rpl_fchownat +# endif +_GL_FUNCDECL_RPL (fchownat, int, (int fd, char const *file, + uid_t owner, gid_t group, int flag) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (fchownat, int, (int fd, char const *file, + uid_t owner, gid_t group, int flag)); +# else +# if !@HAVE_FCHOWNAT@ +_GL_FUNCDECL_SYS (fchownat, int, (int fd, char const *file, + uid_t owner, gid_t group, int flag) + _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (fchownat, int, (int fd, char const *file, + uid_t owner, gid_t group, int flag)); # endif +_GL_CXXALIASWARN (fchownat); #elif defined GNULIB_POSIXCHECK # undef fchownat # if HAVE_RAW_DECL_FCHOWNAT @@ -342,8 +475,10 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - " See POSIX:2001 specification <http://www.opengroup.org/susv3xsh/fsync.html>. */ # if !@HAVE_FSYNC@ -extern int fsync (int fd); +_GL_FUNCDECL_SYS (fsync, int, (int fd)); # endif +_GL_CXXALIAS_SYS (fsync, int, (int fd)); +_GL_CXXALIASWARN (fsync); #elif defined GNULIB_POSIXCHECK # undef fsync # if HAVE_RAW_DECL_FSYNC @@ -354,13 +489,15 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - " #if @GNULIB_FTRUNCATE@ -# if !@HAVE_FTRUNCATE@ /* Change the size of the file to which FD is opened to become equal to LENGTH. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/ftruncate.html>. */ -extern int ftruncate (int fd, off_t length); +# if !@HAVE_FTRUNCATE@ +_GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length)); # endif +_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length)); +_GL_CXXALIASWARN (ftruncate); #elif defined GNULIB_POSIXCHECK # undef ftruncate # if HAVE_RAW_DECL_FTRUNCATE @@ -371,7 +508,6 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - " #if @GNULIB_GETCWD@ -# if @REPLACE_GETCWD@ /* Get the name of the current working directory, and put it in SIZE bytes of BUF. Return BUF if successful, or NULL if the directory couldn't be determined @@ -382,9 +518,16 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - " extension: If BUF is NULL, an array is allocated with 'malloc'; the array is SIZE bytes long, unless SIZE == 0, in which case it is as big as necessary. */ -# define getcwd rpl_getcwd -extern char * getcwd (char *buf, size_t size); +# if @REPLACE_GETCWD@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define getcwd rpl_getcwd +# endif +_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)); # endif +_GL_CXXALIASWARN (getcwd); #elif defined GNULIB_POSIXCHECK # undef getcwd # if HAVE_RAW_DECL_GETCWD @@ -406,8 +549,13 @@ _GL_WARN_ON_USE (getcwd, "getcwd is unportable - " 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) _GL_ARG_NONNULL ((1)); +_GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len) + _GL_ARG_NONNULL ((1))); # endif +/* Need to cast, because on MacOS X 10.5 systems, the second parameter is + int len. */ +_GL_CXXALIAS_SYS_CAST (getdomainname, int, (char *name, size_t len)); +_GL_CXXALIASWARN (getdomainname); #elif defined GNULIB_POSIXCHECK # undef getdomainname # if HAVE_RAW_DECL_GETDOMAINNAME @@ -418,11 +566,13 @@ _GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - " #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); +# if !@HAVE_GETDTABLESIZE@ +_GL_FUNCDECL_SYS (getdtablesize, int, (void)); # endif +_GL_CXXALIAS_SYS (getdtablesize, int, (void)); +_GL_CXXALIASWARN (getdtablesize); #elif defined GNULIB_POSIXCHECK # undef getdtablesize # if HAVE_RAW_DECL_GETDTABLESIZE @@ -433,18 +583,25 @@ _GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - " #if @GNULIB_GETGROUPS@ -# if @REPLACE_GETGROUPS@ -# undef getgroups -# define getgroups rpl_getgroups -# endif -# if !@HAVE_GETGROUPS@ || @REPLACE_GETGROUPS@ /* Return the supplemental groups that the current process belongs to. It is unspecified whether the effective group id is in the list. If N is 0, return the group count; otherwise, N describes how many entries are available in GROUPS. Return -1 and set errno if N is not 0 and not large enough. Fails with ENOSYS on some systems. */ -int getgroups (int n, gid_t *groups); +# if @REPLACE_GETGROUPS@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef getgroups +# define getgroups rpl_getgroups +# endif +_GL_FUNCDECL_RPL (getgroups, int, (int n, gid_t *groups)); +_GL_CXXALIAS_RPL (getgroups, int, (int n, gid_t *groups)); +# else +# if !@HAVE_GETGROUPS@ +_GL_FUNCDECL_SYS (getgroups, int, (int n, gid_t *groups)); +# endif +_GL_CXXALIAS_SYS (getgroups, int, (int n, gid_t *groups)); # endif +_GL_CXXALIASWARN (getgroups); #elif defined GNULIB_POSIXCHECK # undef getgroups # if HAVE_RAW_DECL_GETGROUPS @@ -463,12 +620,23 @@ _GL_WARN_ON_USE (getgroups, "getgroups is unportable - " 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) _GL_ARG_NONNULL ((1)); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef gethostname +# define gethostname rpl_gethostname +# endif +_GL_FUNCDECL_RPL (gethostname, int, (char *name, size_t len) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (gethostname, int, (char *name, size_t len)); +# else +# if !@HAVE_GETHOSTNAME@ +_GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len) + _GL_ARG_NONNULL ((1))); +# endif +/* Need to cast, because on Solaris 10 systems, the second parameter is + int len. */ +_GL_CXXALIAS_SYS_CAST (gethostname, int, (char *name, size_t len)); # endif +_GL_CXXALIASWARN (gethostname); #elif @UNISTD_H_HAVE_WINSOCK2_H@ # undef gethostname # define gethostname gethostname_used_without_requesting_gnulib_module_gethostname @@ -493,8 +661,10 @@ _GL_WARN_ON_USE (gethostname, "gethostname is unportable - " $USERNAME on native Windows platforms. */ # if !@HAVE_GETLOGIN@ -extern char *getlogin (void); +_GL_FUNCDECL_SYS (getlogin, char *, (void)); # endif +_GL_CXXALIAS_SYS (getlogin, char *, (void)); +_GL_CXXALIASWARN (getlogin); #elif defined GNULIB_POSIXCHECK # undef getlogin # if HAVE_RAW_DECL_GETLOGIN @@ -520,8 +690,13 @@ _GL_WARN_ON_USE (getlogin, "getlogin is unportable - " $USERNAME on native Windows platforms. */ # if !@HAVE_DECL_GETLOGIN_R@ -extern int getlogin_r (char *name, size_t size) _GL_ARG_NONNULL ((1)); +_GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size) + _GL_ARG_NONNULL ((1))); # endif +/* Need to cast, because on Solaris 10 systems, the second argument is + int size. */ +_GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size)); +_GL_CXXALIASWARN (getlogin_r); #elif defined GNULIB_POSIXCHECK # undef getlogin_r # if HAVE_RAW_DECL_GETLOGIN_R @@ -533,53 +708,72 @@ _GL_WARN_ON_USE (getlogin_r, "getlogin_r is unportable - " #if @GNULIB_GETPAGESIZE@ # if @REPLACE_GETPAGESIZE@ -# define getpagesize rpl_getpagesize -extern int getpagesize (void); -# elif !@HAVE_GETPAGESIZE@ -/* This is for POSIX systems. */ -# if !defined getpagesize && defined _SC_PAGESIZE -# if ! (defined __VMS && __VMS_VER < 70000000) -# define getpagesize() sysconf (_SC_PAGESIZE) -# endif +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define getpagesize rpl_getpagesize # endif +_GL_FUNCDECL_RPL (getpagesize, int, (void)); +_GL_CXXALIAS_RPL (getpagesize, int, (void)); +# else +# if !@HAVE_GETPAGESIZE@ +# if !defined getpagesize +/* This is for POSIX systems. */ +# if !defined _gl_getpagesize && defined _SC_PAGESIZE +# if ! (defined __VMS && __VMS_VER < 70000000) +# define _gl_getpagesize() sysconf (_SC_PAGESIZE) +# endif +# endif /* This is for older VMS. */ -# if !defined getpagesize && defined __VMS -# ifdef __ALPHA -# define getpagesize() 8192 -# else -# define getpagesize() 512 -# endif -# endif +# if !defined _gl_getpagesize && defined __VMS +# ifdef __ALPHA +# define _gl_getpagesize() 8192 +# else +# define _gl_getpagesize() 512 +# endif +# endif /* This is for BeOS. */ -# if !defined getpagesize && @HAVE_OS_H@ -# include <OS.h> -# if defined B_PAGE_SIZE -# define getpagesize() B_PAGE_SIZE -# endif -# endif +# if !defined _gl_getpagesize && @HAVE_OS_H@ +# include <OS.h> +# if defined B_PAGE_SIZE +# define _gl_getpagesize() B_PAGE_SIZE +# endif +# endif /* This is for AmigaOS4.0. */ -# if !defined getpagesize && defined __amigaos4__ -# define getpagesize() 2048 -# endif +# if !defined _gl_getpagesize && defined __amigaos4__ +# define _gl_getpagesize() 2048 +# endif /* This is for older Unix systems. */ -# if !defined getpagesize && @HAVE_SYS_PARAM_H@ -# include <sys/param.h> -# ifdef EXEC_PAGESIZE -# define getpagesize() EXEC_PAGESIZE -# else -# ifdef NBPG -# ifndef CLSIZE -# define CLSIZE 1 +# if !defined _gl_getpagesize && @HAVE_SYS_PARAM_H@ +# include <sys/param.h> +# ifdef EXEC_PAGESIZE +# define _gl_getpagesize() EXEC_PAGESIZE +# else +# ifdef NBPG +# ifndef CLSIZE +# define CLSIZE 1 +# endif +# define _gl_getpagesize() (NBPG * CLSIZE) +# else +# ifdef NBPC +# define _gl_getpagesize() NBPC +# endif +# endif # endif -# define getpagesize() (NBPG * CLSIZE) +# endif +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define getpagesize() _gl_getpagesize () # else -# ifdef NBPC -# define getpagesize() NBPC -# endif +static inline int +getpagesize () +{ + return _gl_getpagesize (); +} # endif # endif # endif +/* Need to cast, because on Cygwin 1.5.x systems, the return type is size_t. */ +_GL_CXXALIAS_SYS_CAST (getpagesize, int, (void)); # endif +_GL_CXXALIASWARN (getpagesize); #elif defined GNULIB_POSIXCHECK # undef getpagesize # if HAVE_RAW_DECL_GETPAGESIZE @@ -590,27 +784,45 @@ _GL_WARN_ON_USE (getpagesize, "getpagesize is unportable - " #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); +# if !@HAVE_DECL_GETUSERSHELL@ +_GL_FUNCDECL_SYS (getusershell, char *, (void)); # endif +_GL_CXXALIAS_SYS (getusershell, char *, (void)); +_GL_CXXALIASWARN (getusershell); #elif defined GNULIB_POSIXCHECK # undef getusershell # if HAVE_RAW_DECL_GETUSERSHELL _GL_WARN_ON_USE (getusershell, "getusershell is unportable - " "use gnulib module getusershell for portability"); # endif +#endif + +#if @GNULIB_GETUSERSHELL@ +/* Rewind to pointer that is advanced at each getusershell() call. */ +# if !@HAVE_DECL_GETUSERSHELL@ +_GL_FUNCDECL_SYS (setusershell, void, (void)); +# endif +_GL_CXXALIAS_SYS (setusershell, void, (void)); +_GL_CXXALIASWARN (setusershell); +#elif defined GNULIB_POSIXCHECK # undef setusershell # if HAVE_RAW_DECL_SETUSERSHELL _GL_WARN_ON_USE (setusershell, "setusershell is unportable - " "use gnulib module getusershell for portability"); # endif +#endif + +#if @GNULIB_GETUSERSHELL@ +/* Free the pointer that is advanced at each getusershell() call and + associated resources. */ +# if !@HAVE_DECL_GETUSERSHELL@ +_GL_FUNCDECL_SYS (endusershell, void, (void)); +# endif +_GL_CXXALIAS_SYS (endusershell, void, (void)); +_GL_CXXALIASWARN (endusershell); +#elif defined GNULIB_POSIXCHECK # undef endusershell # if HAVE_RAW_DECL_ENDUSERSHELL _GL_WARN_ON_USE (endusershell, "endusershell is unportable - " @@ -620,19 +832,27 @@ _GL_WARN_ON_USE (endusershell, "endusershell is unportable - " #if @GNULIB_LCHOWN@ -# if @REPLACE_LCHOWN@ -# undef lchown -# define lchown rpl_lchown -# endif -# if !@HAVE_LCHOWN@ || @REPLACE_LCHOWN@ /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE to GID (if GID is not -1). Do not follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/lchown.html>. */ -extern int lchown (char const *file, uid_t owner, gid_t group) - _GL_ARG_NONNULL ((1)); +# if @REPLACE_LCHOWN@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef lchown +# define lchown rpl_lchown +# endif +_GL_FUNCDECL_RPL (lchown, int, (char const *file, uid_t owner, gid_t group) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (lchown, int, (char const *file, uid_t owner, gid_t group)); +# else +# if !@HAVE_LCHOWN@ +_GL_FUNCDECL_SYS (lchown, int, (char const *file, uid_t owner, gid_t group) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (lchown, int, (char const *file, uid_t owner, gid_t group)); # endif +_GL_CXXALIASWARN (lchown); #elif defined GNULIB_POSIXCHECK # undef lchown # if HAVE_RAW_DECL_LCHOWN @@ -643,17 +863,25 @@ _GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - " #if @GNULIB_LINK@ -# if @REPLACE_LINK@ -# define link rpl_link -# endif /* Create a new hard link for an existing file. Return 0 if successful, otherwise -1 and errno set. See POSIX:2001 specification <http://www.opengroup.org/susv3xsh/link.html>. */ -# if !@HAVE_LINK@ || @REPLACE_LINK@ -extern int link (const char *path1, const char *path2) - _GL_ARG_NONNULL ((1, 2)); +# if @REPLACE_LINK@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define link rpl_link +# endif +_GL_FUNCDECL_RPL (link, int, (const char *path1, const char *path2) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (link, int, (const char *path1, const char *path2)); +# else +# if !@HAVE_LINK@ +_GL_FUNCDECL_SYS (link, int, (const char *path1, const char *path2) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (link, int, (const char *path1, const char *path2)); # endif +_GL_CXXALIASWARN (link); #elif defined GNULIB_POSIXCHECK # undef link # if HAVE_RAW_DECL_LINK @@ -662,19 +890,35 @@ _GL_WARN_ON_USE (link, "link is unportable - " # endif #endif + #if @GNULIB_LINKAT@ -# if @REPLACE_LINKAT@ -# undef linkat -# define linkat rpl_linkat -# endif /* Create a new hard link for an existing file, relative to two directories. FLAG controls whether symlinks are followed. Return 0 if successful, otherwise -1 and errno set. */ -# if !@HAVE_LINKAT@ || @REPLACE_LINKAT@ -extern int linkat (int fd1, const char *path1, int fd2, const char *path2, +# if @REPLACE_LINKAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef linkat +# define linkat rpl_linkat +# endif +_GL_FUNCDECL_RPL (linkat, int, + (int fd1, const char *path1, int fd2, const char *path2, + int flag) + _GL_ARG_NONNULL ((2, 4))); +_GL_CXXALIAS_RPL (linkat, int, + (int fd1, const char *path1, int fd2, const char *path2, + int flag)); +# else +# if !@HAVE_LINKAT@ +_GL_FUNCDECL_SYS (linkat, int, + (int fd1, const char *path1, int fd2, const char *path2, int flag) - _GL_ARG_NONNULL ((2, 4)); + _GL_ARG_NONNULL ((2, 4))); +# endif +_GL_CXXALIAS_SYS (linkat, int, + (int fd1, const char *path1, int fd2, const char *path2, + int flag)); # endif +_GL_CXXALIASWARN (linkat); #elif defined GNULIB_POSIXCHECK # undef linkat # if HAVE_RAW_DECL_LINKAT @@ -683,15 +927,22 @@ _GL_WARN_ON_USE (linkat, "linkat is unportable - " # endif #endif + #if @GNULIB_LSEEK@ -# if @REPLACE_LSEEK@ /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. Return the new offset if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/lseek.html>. */ -# define lseek rpl_lseek - extern off_t lseek (int fd, off_t offset, int whence); +# if @REPLACE_LSEEK@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define lseek rpl_lseek +# endif +_GL_FUNCDECL_RPL (lseek, off_t, (int fd, off_t offset, int whence)); +_GL_CXXALIAS_RPL (lseek, off_t, (int fd, off_t offset, int whence)); +# else +_GL_CXXALIAS_SYS (lseek, off_t, (int fd, off_t offset, int whence)); # endif +_GL_CXXALIASWARN (lseek); #elif defined GNULIB_POSIXCHECK # undef lseek # if HAVE_RAW_DECL_LSEEK @@ -711,9 +962,16 @@ _GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some " See also the Linux man page at <http://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */ # if @HAVE_PIPE2@ -# define pipe2 rpl_pipe2 +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define pipe2 rpl_pipe2 +# endif +_GL_FUNCDECL_RPL (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (pipe2, int, (int fd[2], int flags)); +# else +_GL_FUNCDECL_SYS (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_SYS (pipe2, int, (int fd[2], int flags)); # endif -extern int pipe2 (int fd[2], int flags) _GL_ARG_NONNULL ((1)); +_GL_CXXALIASWARN (pipe2); #elif defined GNULIB_POSIXCHECK # undef pipe2 # if HAVE_RAW_DECL_PIPE2 @@ -724,17 +982,29 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - " #if @GNULIB_PREAD@ -# if @REPLACE_PREAD@ -# define pread rpl_pread -# endif /* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET. Return the number of bytes placed into BUF if successful, otherwise set errno and return -1. 0 indicates EOF. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/pread.html>. */ -# if !@HAVE_PREAD@ || @REPLACE_PREAD@ - extern ssize_t pread (int fd, void *buf, size_t bufsize, off_t offset) - _GL_ARG_NONNULL ((2)); +# if @REPLACE_PREAD@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define pread rpl_pread +# endif +_GL_FUNCDECL_RPL (pread, ssize_t, + (int fd, void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (pread, ssize_t, + (int fd, void *buf, size_t bufsize, off_t offset)); +# else +# if !@HAVE_PREAD@ +_GL_FUNCDECL_SYS (pread, ssize_t, + (int fd, void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (pread, ssize_t, + (int fd, void *buf, size_t bufsize, off_t offset)); # endif +_GL_CXXALIASWARN (pread); #elif defined GNULIB_POSIXCHECK # undef pread # if HAVE_RAW_DECL_PREAD @@ -745,18 +1015,30 @@ _GL_WARN_ON_USE (pread, "pread is unportable - " #if @GNULIB_READLINK@ -# if @REPLACE_READLINK@ -# define readlink rpl_readlink -# endif /* 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 successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/readlink.html>. */ -# if !@HAVE_READLINK@ || @REPLACE_READLINK@ -extern ssize_t readlink (const char *file, char *buf, size_t bufsize) - _GL_ARG_NONNULL ((1, 2)); +# if @REPLACE_READLINK@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define readlink rpl_readlink +# endif +_GL_FUNCDECL_RPL (readlink, ssize_t, + (const char *file, char *buf, size_t bufsize) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (readlink, ssize_t, + (const char *file, char *buf, size_t bufsize)); +# else +# if !@HAVE_READLINK@ +_GL_FUNCDECL_SYS (readlink, ssize_t, + (const char *file, char *buf, size_t bufsize) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (readlink, ssize_t, + (const char *file, char *buf, size_t bufsize)); # endif +_GL_CXXALIASWARN (readlink); #elif defined GNULIB_POSIXCHECK # undef readlink # if HAVE_RAW_DECL_READLINK @@ -768,9 +1050,13 @@ _GL_WARN_ON_USE (readlink, "readlink is unportable - " #if @GNULIB_READLINKAT@ # if !@HAVE_READLINKAT@ -extern ssize_t readlinkat (int fd, char const *file, char *buf, size_t len) - _GL_ARG_NONNULL ((2, 3)); +_GL_FUNCDECL_SYS (readlinkat, ssize_t, + (int fd, char const *file, char *buf, size_t len) + _GL_ARG_NONNULL ((2, 3))); # endif +_GL_CXXALIAS_SYS (readlinkat, ssize_t, + (int fd, char const *file, char *buf, size_t len)); +_GL_CXXALIASWARN (readlinkat); #elif defined GNULIB_POSIXCHECK # undef readlinkat # if HAVE_RAW_DECL_READLINKAT @@ -781,11 +1067,17 @@ _GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - " #if @GNULIB_RMDIR@ -# if @REPLACE_RMDIR@ -# define rmdir rpl_rmdir /* Remove the directory DIR. */ -extern int rmdir (char const *name) _GL_ARG_NONNULL ((1)); +# if @REPLACE_RMDIR@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define rmdir rpl_rmdir +# endif +_GL_FUNCDECL_RPL (rmdir, int, (char const *name) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (rmdir, int, (char const *name)); +# else +_GL_CXXALIAS_SYS (rmdir, int, (char const *name)); # endif +_GL_CXXALIASWARN (rmdir); #elif defined GNULIB_POSIXCHECK # undef rmdir # if HAVE_RAW_DECL_RMDIR @@ -796,17 +1088,24 @@ _GL_WARN_ON_USE (rmdir, "rmdir is unportable - " #if @GNULIB_SLEEP@ -# if @REPLACE_SLEEP@ -# undef sleep -# define sleep rpl_sleep -# endif /* Pause the execution of the current thread for N seconds. Returns the number of seconds left to sleep. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/sleep.html>. */ -# if !@HAVE_SLEEP@ || @REPLACE_SLEEP@ -extern unsigned int sleep (unsigned int n); +# if @REPLACE_SLEEP@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef sleep +# define sleep rpl_sleep +# endif +_GL_FUNCDECL_RPL (sleep, unsigned int, (unsigned int n)); +_GL_CXXALIAS_RPL (sleep, unsigned int, (unsigned int n)); +# else +# if !@HAVE_SLEEP@ +_GL_FUNCDECL_SYS (sleep, unsigned int, (unsigned int n)); +# endif +_GL_CXXALIAS_SYS (sleep, unsigned int, (unsigned int n)); # endif +_GL_CXXALIASWARN (sleep); #elif defined GNULIB_POSIXCHECK # undef sleep # if HAVE_RAW_DECL_SLEEP @@ -818,13 +1117,21 @@ _GL_WARN_ON_USE (sleep, "sleep is unportable - " #if @GNULIB_SYMLINK@ # if @REPLACE_SYMLINK@ -# undef symlink -# define symlink rpl_symlink -# endif -# if !@HAVE_SYMLINK@ || @REPLACE_SYMLINK@ -extern int symlink (char const *contents, char const *file) - _GL_ARG_NONNULL ((1, 2)); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef symlink +# define symlink rpl_symlink +# endif +_GL_FUNCDECL_RPL (symlink, int, (char const *contents, char const *file) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (symlink, int, (char const *contents, char const *file)); +# else +# if !@HAVE_SYMLINK@ +_GL_FUNCDECL_SYS (symlink, int, (char const *contents, char const *file) + _GL_ARG_NONNULL ((1, 2))); +# endif +_GL_CXXALIAS_SYS (symlink, int, (char const *contents, char const *file)); # endif +_GL_CXXALIASWARN (symlink); #elif defined GNULIB_POSIXCHECK # undef symlink # if HAVE_RAW_DECL_SYMLINK @@ -836,9 +1143,13 @@ _GL_WARN_ON_USE (symlink, "symlink is not portable - " #if @GNULIB_SYMLINKAT@ # if !@HAVE_SYMLINKAT@ -extern int symlinkat (char const *contents, int fd, char const *file) - _GL_ARG_NONNULL ((1, 3)); +_GL_FUNCDECL_SYS (symlinkat, int, + (char const *contents, int fd, char const *file) + _GL_ARG_NONNULL ((1, 3))); # endif +_GL_CXXALIAS_SYS (symlinkat, int, + (char const *contents, int fd, char const *file)); +_GL_CXXALIASWARN (symlinkat); #elif defined GNULIB_POSIXCHECK # undef symlinkat # if HAVE_RAW_DECL_SYMLINKAT @@ -848,12 +1159,37 @@ _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 !@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)); +_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@ -# undef unlink -# define unlink rpl_unlink -extern int unlink (char const *file) _GL_ARG_NONNULL ((1)); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef unlink +# define unlink rpl_unlink +# endif +_GL_FUNCDECL_RPL (unlink, int, (char const *file) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (unlink, int, (char const *file)); +# else +_GL_CXXALIAS_SYS (unlink, int, (char const *file)); # endif +_GL_CXXALIASWARN (unlink); #elif defined GNULIB_POSIXCHECK # undef unlink # if HAVE_RAW_DECL_UNLINK @@ -865,12 +1201,21 @@ _GL_WARN_ON_USE (unlink, "unlink is not portable - " #if @GNULIB_UNLINKAT@ # if @REPLACE_UNLINKAT@ -# undef unlinkat -# define unlinkat rpl_unlinkat -# endif -# if !@HAVE_UNLINKAT@ || @REPLACE_UNLINKAT@ -extern int unlinkat (int fd, char const *file, int flag) _GL_ARG_NONNULL ((2)); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef unlinkat +# define unlinkat rpl_unlinkat +# endif +_GL_FUNCDECL_RPL (unlinkat, int, (int fd, char const *file, int flag) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (unlinkat, int, (int fd, char const *file, int flag)); +# else +# if !@HAVE_UNLINKAT@ +_GL_FUNCDECL_SYS (unlinkat, int, (int fd, char const *file, int flag) + _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (unlinkat, int, (int fd, char const *file, int flag)); # endif +_GL_CXXALIASWARN (unlinkat); #elif defined GNULIB_POSIXCHECK # undef unlinkat # if HAVE_RAW_DECL_UNLINKAT @@ -881,17 +1226,24 @@ _GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - " #if @GNULIB_USLEEP@ -# if @REPLACE_USLEEP@ -# undef usleep -# define usleep rpl_usleep -# endif -# if !@HAVE_USLEEP@ || @REPLACE_USLEEP@ /* Pause the execution of the current thread for N microseconds. Returns 0 on completion, or -1 on range error. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/sleep.html>. */ -extern int usleep (useconds_t n); +# if @REPLACE_USLEEP@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef usleep +# define usleep rpl_usleep +# endif +_GL_FUNCDECL_RPL (usleep, int, (useconds_t n)); +_GL_CXXALIAS_RPL (usleep, int, (useconds_t n)); +# else +# if !@HAVE_USLEEP@ +_GL_FUNCDECL_SYS (usleep, int, (useconds_t n)); +# endif +_GL_CXXALIAS_SYS (usleep, int, (useconds_t n)); # endif +_GL_CXXALIASWARN (usleep); #elif defined GNULIB_POSIXCHECK # undef usleep # if HAVE_RAW_DECL_USLEEP @@ -901,19 +1253,22 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - " #endif -#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ +#if @GNULIB_WRITE@ /* Write up to COUNT bytes starting at BUF to file descriptor FD. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/write.html>. */ -# undef write -# define write rpl_write -extern ssize_t write (int fd, const void *buf, size_t count) - _GL_ARG_NONNULL ((2)); -#endif - - -#ifdef __cplusplus -} +# if @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef write +# define write rpl_write +# endif +_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)); +# endif +_GL_CXXALIASWARN (write); #endif |