+2010-03-21 Bruno Haible <bruno@clisp.org>
+
+ New module 'ttyname_r'.
+ * lib/ttyname_r.c: New file.
+ * m4/ttyname_r.m4: New file.
+ * modules/ttyname_r: New file.
+ * lib/unistd.in.h (ttyname_r): New declaration.
+ * m4/unistd_h.m4 (gl_UNISTD_H): Check whether ttyname_r is declared.
+ (gl_UNISTD_H_DEFAULTS): Initialize GNULIB_TTYNAME_R, HAVE_TTYNAME_R.
+ * modules/unistd (Makefile.am): Substitute GNULIB_TTYNAME_R,
+ HAVE_TTYNAME_R.
+ * tests/test-unistd-c++.cc: Check GNULIB_NAMESPACE::ttyname_r.
+ * doc/posix-functions/ttyname_r.texi: Mention the new module.
+
2010-03-20 Bruno Haible <bruno@clisp.org>
signal: Undefine macro definitions in C++ mode.
POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ttyname_r.html}
-Gnulib module: ---
+Gnulib module: ttyname_r
Portability problems fixed by Gnulib:
@itemize
+This function is missing on some platforms:
+NetBSD 3.0, mingw, BeOS.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on some platforms:
-NetBSD 3.0, mingw, BeOS.
@end itemize
--- /dev/null
+/* Determine name of a terminal.
+
+ Copyright (C) 2010 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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 <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
+
+#include <config.h>
+
+#include <unistd.h>
+
+#include <errno.h>
+#include <string.h>
+
+int
+ttyname_r (int fd, char *buf, size_t buflen)
+{
+#if HAVE_TTYNAME
+ /* Note: This is not multithread-safe. */
+ char *name;
+ size_t namelen;
+
+ name = ttyname (fd);
+ if (name == NULL)
+ return errno;
+ namelen = strlen (name) + 1;
+ if (namelen > buflen)
+ return ERANGE;
+ memcpy (buf, name, namelen);
+ return 0;
+#else
+ /* Platforms like mingw: no ttys exist at all. */
+ return ENOTTY;
+#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. */
+# 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@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
--- /dev/null
+# ttyname_r.m4 serial 1
+dnl Copyright (C) 2010 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_TTYNAME_R],
+[
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+
+ AC_CHECK_FUNCS([ttyname_r])
+ if test $ac_cv_func_ttyname_r = no; then
+ HAVE_TTYNAME_R=0
+ AC_LIBOBJ([ttyname_r])
+ gl_PREREQ_TTYNAME_R
+ fi
+])
+
+# Prerequisites of lib/ttyname_r.c.
+AC_DEFUN([gl_PREREQ_TTYNAME_R], [
+ AC_CHECK_FUNCS([ttyname])
+])
-# unistd_h.m4 serial 41
+# unistd_h.m4 serial 42
dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
fsync ftruncate getcwd getdomainname getdtablesize getgroups
gethostname getlogin getlogin_r getpagesize getusershell setusershell
endusershell lchown link linkat lseek pipe2 pread readlink readlinkat
- rmdir sleep symlink symlinkat unlink unlinkat usleep])
+ rmdir sleep symlink symlinkat ttyname_r unlink unlinkat usleep])
])
AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK])
GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT])
+ GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R])
GNULIB_UNISTD_H_GETOPT=0; AC_SUBST([GNULIB_UNISTD_H_GETOPT])
GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK])
HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK])
HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT])
+ HAVE_TTYNAME_R=1; AC_SUBST([HAVE_TTYNAME_R])
+ HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
+ HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL])
HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
- HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
- HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
REPLACE_DUP=0; AC_SUBST([REPLACE_DUP])
--- /dev/null
+Description:
+ttyname_r() function: Determine name of a terminal.
+
+Files:
+lib/ttyname_r.c
+m4/ttyname_r.m4
+
+Depends-on:
+unistd
+
+configure.ac:
+gl_FUNC_TTYNAME_R
+gl_UNISTD_MODULE_INDICATOR([ttyname_r])
+
+Makefile.am:
+
+Include:
+<unistd.h>
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible
-e 's|@''GNULIB_SLEEP''@|$(GNULIB_SLEEP)|g' \
-e 's|@''GNULIB_SYMLINK''@|$(GNULIB_SYMLINK)|g' \
-e 's|@''GNULIB_SYMLINKAT''@|$(GNULIB_SYMLINKAT)|g' \
+ -e 's|@''GNULIB_TTYNAME_R''@|$(GNULIB_TTYNAME_R)|g' \
-e 's|@''GNULIB_UNISTD_H_GETOPT''@|$(GNULIB_UNISTD_H_GETOPT)|g' \
-e 's|@''GNULIB_UNISTD_H_SIGPIPE''@|$(GNULIB_UNISTD_H_SIGPIPE)|g' \
-e 's|@''GNULIB_UNLINK''@|$(GNULIB_UNLINK)|g' \
-e 's|@''HAVE_SLEEP''@|$(HAVE_SLEEP)|g' \
-e 's|@''HAVE_SYMLINK''@|$(HAVE_SYMLINK)|g' \
-e 's|@''HAVE_SYMLINKAT''@|$(HAVE_SYMLINKAT)|g' \
+ -e 's|@''HAVE_TTYNAME_R''@|$(HAVE_TTYNAME_R)|g' \
-e 's|@''HAVE_UNLINKAT''@|$(HAVE_UNLINKAT)|g' \
-e 's|@''HAVE_USLEEP''@|$(HAVE_USLEEP)|g' \
-e 's|@''HAVE_DECL_ENVIRON''@|$(HAVE_DECL_ENVIRON)|g' \
(char const *, int, char const *));
#endif
+#if GNULIB_TTYNAME_R
+SIGNATURE_CHECK (GNULIB_NAMESPACE::ttyname_r, int,
+ (int fd, char *buf, size_t buflen));
+#endif
+
#if GNULIB_UNLINK
SIGNATURE_CHECK (GNULIB_NAMESPACE::unlink, int, (char const *));
#endif
projects / gnulib.git / commitdiff