X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Funistd.in.h;h=ae59cb2e62749b6675a135964732383b5324c7a0;hb=a2f84200a3642c51afc3fad750ea264ac120bcd1;hp=9115486cf37a094b94856a926af767555a647014;hpb=4ee107046a0ffd91f6c60c787326a5e27b799f6d;p=debian%2Fgzip diff --git a/lib/unistd.in.h b/lib/unistd.in.h index 9115486..ae59cb2 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around . - Copyright (C) 2003-2012 Free Software Foundation, Inc. + Copyright (C) 2003-2018 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 @@ -12,34 +12,32 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, see . */ + along with this program; if not, see . */ + +#ifndef _@GUARD_PREFIX@_UNISTD_H #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif @PRAGMA_COLUMNS@ +#ifdef _GL_INCLUDING_UNISTD_H /* 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 + - On Mac OS X 10.3.9 we have a sequence of nested includes + -> -> -> + In this situation, the functions are not yet declared, therefore we cannot + provide the C++ aliases. */ -/* Normal invocation. */ -#elif !defined _@GUARD_PREFIX@_UNISTD_H +#@INCLUDE_NEXT@ @NEXT_UNISTD_H@ + +#else +/* Normal invocation convention. */ /* The include_next requires a split double-inclusion guard. */ #if @HAVE_UNISTD_H@ +# define _GL_INCLUDING_UNISTD_H # @INCLUDE_NEXT@ @NEXT_UNISTD_H@ +# undef _GL_INCLUDING_UNISTD_H #endif /* Get all possible declarations of gethostname(). */ @@ -57,9 +55,13 @@ #include /* mingw doesn't define the SEEK_* or *_FILENO macros in . */ +/* MSVC declares 'unlink' in , not in . We must include + it before we #define unlink rpl_unlink. */ /* Cygwin 1.7.1 declares symlinkat in , not in . */ /* But avoid namespace pollution on glibc systems. */ #if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \ + || ((@GNULIB_UNLINK@ || defined GNULIB_POSIXCHECK) \ + && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) \ || ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \ && defined __CYGWIN__)) \ && ! defined __GLIBC__ @@ -77,9 +79,13 @@ /* mingw, MSVC, BeOS, Haiku declare environ in , not in . */ /* Solaris declares getcwd not only in but also in . */ +/* OSF Tru64 Unix cannot see gnulib rpl_strtod when system is + included here. */ /* But avoid namespace pollution on glibc systems. */ -#ifndef __GLIBC__ +#if !defined __GLIBC__ && !defined __osf__ +# define __need_system_stdlib_h # include +# undef __need_system_stdlib_h #endif /* Native Windows platforms declare chdir, getcwd, rmdir in @@ -121,12 +127,6 @@ # include #endif -/* Get getopt(), optarg, optind, opterr, optopt. - But avoid namespace pollution on glibc systems. */ -#if @GNULIB_UNISTD_H_GETOPT@ && !defined __GLIBC__ && !defined _GL_SYSTEM_GETOPT -# include -#endif - /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ /* The definition of _GL_ARG_NONNULL is copied here. */ @@ -134,6 +134,20 @@ /* The definition of _GL_WARN_ON_USE is copied here. */ +/* Get getopt(), optarg, optind, opterr, optopt. */ +#if @GNULIB_UNISTD_H_GETOPT@ && !defined _GL_SYSTEM_GETOPT +# include +# include +#endif + +#ifndef _GL_INLINE_HEADER_BEGIN + #error "Please include config.h first." +#endif +_GL_INLINE_HEADER_BEGIN +#ifndef _GL_UNISTD_INLINE +# define _GL_UNISTD_INLINE _GL_INLINE +#endif + /* Hide some function declarations from . */ #if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ @@ -364,7 +378,7 @@ _GL_WARN_ON_USE (dup2, "dup2 is unportable - " 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@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define dup3 rpl_dup3 @@ -390,6 +404,12 @@ _GL_WARN_ON_USE (dup3, "dup3 is unportable - " /* Set of environment variables and values. An array of strings of the form "VARIABLE=VALUE", terminated with a NULL. */ # if defined __APPLE__ && defined __MACH__ +# include +# if !TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR +# define _GL_USE_CRT_EXTERNS +# endif +# endif +# ifdef _GL_USE_CRT_EXTERNS # include # define environ (*_NSGetEnviron ()) # else @@ -404,7 +424,7 @@ extern char **environ; # endif #elif defined GNULIB_POSIXCHECK # if HAVE_RAW_DECL_ENVIRON -static inline char *** +_GL_UNISTD_INLINE char *** rpl_environ (void) { return &environ; @@ -441,13 +461,25 @@ _GL_WARN_ON_USE (euidaccess, "euidaccess is unportable - " #if @GNULIB_FACCESSAT@ -# if !@HAVE_FACCESSAT@ +# if @REPLACE_FACCESSAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef faccessat +# define faccessat rpl_faccessat +# endif +_GL_FUNCDECL_RPL (faccessat, int, + (int fd, char const *name, int mode, int flag) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (faccessat, int, + (int fd, char const *name, int mode, int flag)); +# else +# if !@HAVE_FACCESSAT@ _GL_FUNCDECL_SYS (faccessat, int, (int fd, char const *file, int mode, int flag) _GL_ARG_NONNULL ((2))); -# endif +# endif _GL_CXXALIAS_SYS (faccessat, int, (int fd, char const *file, int mode, int flag)); +# endif _GL_CXXALIASWARN (faccessat); #elif defined GNULIB_POSIXCHECK # undef faccessat @@ -657,10 +689,19 @@ _GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - " #if @GNULIB_GETDTABLESIZE@ /* Return the maximum number of file descriptors in the current process. In POSIX, this is same as sysconf (_SC_OPEN_MAX). */ -# if !@HAVE_GETDTABLESIZE@ +# if @REPLACE_GETDTABLESIZE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef getdtablesize +# define getdtablesize rpl_getdtablesize +# endif +_GL_FUNCDECL_RPL (getdtablesize, int, (void)); +_GL_CXXALIAS_RPL (getdtablesize, int, (void)); +# else +# if !@HAVE_GETDTABLESIZE@ _GL_FUNCDECL_SYS (getdtablesize, int, (void)); -# endif +# endif _GL_CXXALIAS_SYS (getdtablesize, int, (void)); +# endif _GL_CXXALIASWARN (getdtablesize); #elif defined GNULIB_POSIXCHECK # undef getdtablesize @@ -750,7 +791,7 @@ _GL_WARN_ON_USE (gethostname, "gethostname is unportable - " ${LOGNAME-$USER} on Unix platforms, $USERNAME on native Windows platforms. */ -# if !@HAVE_GETLOGIN@ +# if !@HAVE_DECL_GETLOGIN@ _GL_FUNCDECL_SYS (getlogin, char *, (void)); # endif _GL_CXXALIAS_SYS (getlogin, char *, (void)); @@ -862,7 +903,7 @@ _GL_CXXALIAS_RPL (getpagesize, int, (void)); # define getpagesize() _gl_getpagesize () # else # if !GNULIB_defined_getpagesize_function -static inline int +_GL_UNISTD_INLINE int getpagesize () { return _gl_getpagesize (); @@ -1119,7 +1160,7 @@ _GL_WARN_ON_USE (pipe, "pipe is unportable - " 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@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define pipe2 rpl_pipe2 @@ -1267,13 +1308,24 @@ _GL_WARN_ON_USE (readlink, "readlink is unportable - " #if @GNULIB_READLINKAT@ -# if !@HAVE_READLINKAT@ +# if @REPLACE_READLINKAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define readlinkat rpl_readlinkat +# endif +_GL_FUNCDECL_RPL (readlinkat, ssize_t, + (int fd, char const *file, char *buf, size_t len) + _GL_ARG_NONNULL ((2, 3))); +_GL_CXXALIAS_RPL (readlinkat, ssize_t, + (int fd, char const *file, char *buf, size_t len)); +# else +# if !@HAVE_READLINKAT@ _GL_FUNCDECL_SYS (readlinkat, ssize_t, (int fd, char const *file, char *buf, size_t len) _GL_ARG_NONNULL ((2, 3))); -# endif +# endif _GL_CXXALIAS_SYS (readlinkat, ssize_t, (int fd, char const *file, char *buf, size_t len)); +# endif _GL_CXXALIASWARN (readlinkat); #elif defined GNULIB_POSIXCHECK # undef readlinkat @@ -1318,7 +1370,7 @@ _GL_WARN_ON_USE (rmdir, "rmdir is unportable - " _GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len) _GL_ARG_NONNULL ((1))); # endif -/* Need to cast, because on Solaris 11 2011-10, MacOS X 10.5, IRIX 6.5 +/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5 and FreeBSD 6.4 the second parameter is int. On Solaris 11 2011-10, the first parameter is not const. */ _GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len)); @@ -1387,13 +1439,25 @@ _GL_WARN_ON_USE (symlink, "symlink is not portable - " #if @GNULIB_SYMLINKAT@ -# if !@HAVE_SYMLINKAT@ +# if @REPLACE_SYMLINKAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef symlinkat +# define symlinkat rpl_symlinkat +# endif +_GL_FUNCDECL_RPL (symlinkat, int, + (char const *contents, int fd, char const *file) + _GL_ARG_NONNULL ((1, 3))); +_GL_CXXALIAS_RPL (symlinkat, int, + (char const *contents, int fd, char const *file)); +# else +# if !@HAVE_SYMLINKAT@ _GL_FUNCDECL_SYS (symlinkat, int, (char const *contents, int fd, char const *file) _GL_ARG_NONNULL ((1, 3))); -# endif +# endif _GL_CXXALIAS_SYS (symlinkat, int, (char const *contents, int fd, char const *file)); +# endif _GL_CXXALIASWARN (symlinkat); #elif defined GNULIB_POSIXCHECK # undef symlinkat @@ -1404,6 +1468,36 @@ _GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - " #endif +#if @GNULIB_TRUNCATE@ +/* Change the size of the file designated by FILENAME to become equal to LENGTH. + Return 0 if successful, otherwise -1 and errno set. + See the POSIX:2008 specification + . */ +# if @REPLACE_TRUNCATE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef truncate +# define truncate rpl_truncate +# endif +_GL_FUNCDECL_RPL (truncate, int, (const char *filename, off_t length) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (truncate, int, (const char *filename, off_t length)); +# else +# if !@HAVE_TRUNCATE@ +_GL_FUNCDECL_SYS (truncate, int, (const char *filename, off_t length) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (truncate, int, (const char *filename, off_t length)); +# endif +_GL_CXXALIASWARN (truncate); +#elif defined GNULIB_POSIXCHECK +# undef truncate +# if HAVE_RAW_DECL_TRUNCATE +_GL_WARN_ON_USE (truncate, "truncate is unportable - " + "use gnulib module truncate for portability"); +# endif +#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. */ @@ -1530,6 +1624,8 @@ _GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count)); _GL_CXXALIASWARN (write); #endif +_GL_INLINE_HEADER_END #endif /* _@GUARD_PREFIX@_UNISTD_H */ +#endif /* _GL_INCLUDING_UNISTD_H */ #endif /* _@GUARD_PREFIX@_UNISTD_H */