/* Substitute for and wrapper around <unistd.h>.
- Copyright (C) 2003-2011 Free Software Foundation, Inc.
+ Copyright (C) 2003-2012 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
#endif
-#if @REPLACE_DUP@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-# define dup rpl_dup
-# endif
+#if @GNULIB_DUP@
+# if @REPLACE_DUP@
+# 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
+# else
_GL_CXXALIAS_SYS (dup, int, (int oldfd));
-#endif
+# endif
_GL_CXXALIASWARN (dup);
+#elif defined GNULIB_POSIXCHECK
+# undef dup
+# if HAVE_RAW_DECL_DUP
+_GL_WARN_ON_USE (dup, "dup is unportable - "
+ "use gnulib module dup for portability");
+# endif
+#endif
#if @GNULIB_DUP2@
#endif
+#if @GNULIB_ISATTY@
+# if @REPLACE_ISATTY@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef isatty
+# define isatty rpl_isatty
+# endif
+_GL_FUNCDECL_RPL (isatty, int, (int fd));
+_GL_CXXALIAS_RPL (isatty, int, (int fd));
+# else
+_GL_CXXALIAS_SYS (isatty, int, (int fd));
+# endif
+_GL_CXXALIASWARN (isatty);
+#elif defined GNULIB_POSIXCHECK
+# undef isatty
+# if HAVE_RAW_DECL_ISATTY
+_GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - "
+ "use gnulib module isatty for portability");
+# endif
+#endif
+
+
#if @GNULIB_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.
/* Read up to COUNT bytes from file descriptor FD into the buffer starting
at BUF. See the POSIX:2008 specification
<http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */
-# if @REPLACE_READ@ && @GNULIB_UNISTD_H_NONBLOCKING@
+# if @REPLACE_READ@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef read
# define read rpl_read
#endif
+#if @GNULIB_SETHOSTNAME@
+/* Set the host name of the machine.
+ The host name may or may not be fully qualified.
+
+ Put LEN bytes of NAME into the host name.
+ Return 0 if successful, otherwise, set errno and return -1.
+
+ Platforms with no ability to set the hostname return -1 and set
+ errno = ENOSYS. */
+# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
+_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
+ 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));
+_GL_CXXALIASWARN (sethostname);
+#elif defined GNULIB_POSIXCHECK
+# undef sethostname
+# if HAVE_RAW_DECL_SETHOSTNAME
+_GL_WARN_ON_USE (sethostname, "sethostname is unportable - "
+ "use gnulib module sethostname for portability");
+# endif
+#endif
+
+
#if @GNULIB_SLEEP@
/* Pause the execution of the current thread for N seconds.
Returns the number of seconds left to sleep.
/* Write up to COUNT bytes starting at BUF to file descriptor FD.
See the POSIX:2008 specification
<http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */
-# if @REPLACE_WRITE@ && (@GNULIB_UNISTD_H_NONBLOCKING@ || @GNULIB_UNISTD_H_SIGPIPE@)
+# if @REPLACE_WRITE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef write
# define write rpl_write