2008-01-03 Jeff Johnston <jjohnstn@redhat.com>

        Make isatty syscall handling consistent with other newlib syscalls.

        * libc/include/_syslist.h: Add _isatty.
        * libc/include/reent.h: Add _isatty_r.
        * libc/include/sys/unistd.h: Add _isatty.
        * libc/posix/Makefile.am: Add new _isatty.c file.
        * libc/posix/Makefile.in: Regenerated.
        * libc/posix/_isatty.c: New file.
        * libc/posix/isatty.c: Changed to call _isatty().
        * libc/reent/Makefile.am: Add new isattyr.c file.
        * libc/reent/Makefile.in: Regenerated.
        * libc/reent/isattyr.c: New file.
        * libc/stdio/freopen.c: Changed to call _isatty_r().
        * libc/stdio/makebuf.c: Ditto.
        * libc/sys/a29khif/_isatty.S: Change isatty to _isatty.
        * libc/sys/arc/isatty.c: Ditto.
        * libc/sys/arm/syscalls.c: Ditto.
        * libc/sys/d10v/syscalls.c: Ditto.
        * libc/sys/h8300hms/syscalls.c: Ditto.
        * libc/sys/h8500hms/syscalls.c: Ditto.
        * libc/sys/linux/Makefile.am: Add new isatty.c file.
        * libc/sys/linux/Makefile.in: Regenerated.
        * libc/sys/linux/isatty.c: New file.
        * libc/syscalls/Makefile.am: Add new sysisatty.c file.
        * libc/syscalls/Makefile.in: Regenerated.
        * libc/syscalls/sysisatty.c: New file.

3 files changed, 81 insertions, 37 deletions

diff --git a/newlib/libc/sys/linux/Makefile.am b/newlib/libc/sys/linux/Makefile.am
index b27c46f99..2a1306cfe 100644
--- a/newlib/libc/sys/linux/Makefile.am
+++ b/newlib/libc/sys/linux/Makefile.am
@@ -47,6 +47,7 @@ GENERAL_SOURCES = \
 	inode.c \
 	io.c \
 	ipc.c \
+	isatty.c \
 	linux.c \
 	mallinfor.c \
 	malloc.c \
diff --git a/newlib/libc/sys/linux/Makefile.in b/newlib/libc/sys/linux/Makefile.in
index 46ca25390..91b2f5f38 100644
--- a/newlib/libc/sys/linux/Makefile.in
+++ b/newlib/libc/sys/linux/Makefile.in
@@ -138,7 +138,8 @@ DIST_COMMON = $(srcdir)/../../../../config.guess \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
-	$(srcdir)/../../../../compile $(srcdir)/../../../../ltmain.sh \
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../ltmain.sh \
 	$(srcdir)/../../../../config.guess \
 	$(srcdir)/../../../../config.sub
 subdir = .
@@ -170,35 +171,36 @@ am__objects_1 = lib_a-aio.$(OBJEXT) lib_a-brk.$(OBJEXT) \
 	lib_a-gethostid.$(OBJEXT) lib_a-gethostname.$(OBJEXT) \
 	lib_a-getreent.$(OBJEXT) lib_a-ids.$(OBJEXT) \
 	lib_a-inode.$(OBJEXT) lib_a-io.$(OBJEXT) lib_a-ipc.$(OBJEXT) \
-	lib_a-linux.$(OBJEXT) lib_a-mallinfor.$(OBJEXT) \
-	lib_a-malloc.$(OBJEXT) lib_a-mallocr.$(OBJEXT) \
-	lib_a-mallstatsr.$(OBJEXT) lib_a-mmap.$(OBJEXT) \
-	lib_a-mq_close.$(OBJEXT) lib_a-mq_getattr.$(OBJEXT) \
-	lib_a-mq_notify.$(OBJEXT) lib_a-mq_open.$(OBJEXT) \
-	lib_a-mq_receive.$(OBJEXT) lib_a-mq_send.$(OBJEXT) \
-	lib_a-mq_setattr.$(OBJEXT) lib_a-mq_unlink.$(OBJEXT) \
-	lib_a-msize.$(OBJEXT) lib_a-msizer.$(OBJEXT) \
-	lib_a-mstats.$(OBJEXT) lib_a-mtrim.$(OBJEXT) \
-	lib_a-mtrimr.$(OBJEXT) lib_a-ntp_gettime.$(OBJEXT) \
-	lib_a-pread.$(OBJEXT) lib_a-process.$(OBJEXT) \
-	lib_a-prof-freq.$(OBJEXT) lib_a-profile.$(OBJEXT) \
-	lib_a-psignal.$(OBJEXT) lib_a-pwrite.$(OBJEXT) \
-	lib_a-raise.$(OBJEXT) lib_a-realloc.$(OBJEXT) \
-	lib_a-reallocr.$(OBJEXT) lib_a-rename.$(OBJEXT) \
-	lib_a-resource.$(OBJEXT) lib_a-sched.$(OBJEXT) \
-	lib_a-select.$(OBJEXT) lib_a-seteuid.$(OBJEXT) \
-	lib_a-sethostid.$(OBJEXT) lib_a-sethostname.$(OBJEXT) \
-	lib_a-shm_open.$(OBJEXT) lib_a-shm_unlink.$(OBJEXT) \
-	lib_a-sig.$(OBJEXT) lib_a-sigaction.$(OBJEXT) \
-	lib_a-sigqueue.$(OBJEXT) lib_a-signal.$(OBJEXT) \
-	lib_a-siglongjmp.$(OBJEXT) lib_a-sigset.$(OBJEXT) \
-	lib_a-sigwait.$(OBJEXT) lib_a-socket.$(OBJEXT) \
-	lib_a-sleep.$(OBJEXT) lib_a-strsignal.$(OBJEXT) \
-	lib_a-strverscmp.$(OBJEXT) lib_a-sysconf.$(OBJEXT) \
-	lib_a-sysctl.$(OBJEXT) lib_a-systat.$(OBJEXT) \
-	lib_a-tcdrain.$(OBJEXT) lib_a-tcsendbrk.$(OBJEXT) \
-	lib_a-termios.$(OBJEXT) lib_a-time.$(OBJEXT) \
-	lib_a-usleep.$(OBJEXT) lib_a-versionsort.$(OBJEXT)
+	lib_a-isatty.$(OBJEXT) lib_a-linux.$(OBJEXT) \
+	lib_a-mallinfor.$(OBJEXT) lib_a-malloc.$(OBJEXT) \
+	lib_a-mallocr.$(OBJEXT) lib_a-mallstatsr.$(OBJEXT) \
+	lib_a-mmap.$(OBJEXT) lib_a-mq_close.$(OBJEXT) \
+	lib_a-mq_getattr.$(OBJEXT) lib_a-mq_notify.$(OBJEXT) \
+	lib_a-mq_open.$(OBJEXT) lib_a-mq_receive.$(OBJEXT) \
+	lib_a-mq_send.$(OBJEXT) lib_a-mq_setattr.$(OBJEXT) \
+	lib_a-mq_unlink.$(OBJEXT) lib_a-msize.$(OBJEXT) \
+	lib_a-msizer.$(OBJEXT) lib_a-mstats.$(OBJEXT) \
+	lib_a-mtrim.$(OBJEXT) lib_a-mtrimr.$(OBJEXT) \
+	lib_a-ntp_gettime.$(OBJEXT) lib_a-pread.$(OBJEXT) \
+	lib_a-process.$(OBJEXT) lib_a-prof-freq.$(OBJEXT) \
+	lib_a-profile.$(OBJEXT) lib_a-psignal.$(OBJEXT) \
+	lib_a-pwrite.$(OBJEXT) lib_a-raise.$(OBJEXT) \
+	lib_a-realloc.$(OBJEXT) lib_a-reallocr.$(OBJEXT) \
+	lib_a-rename.$(OBJEXT) lib_a-resource.$(OBJEXT) \
+	lib_a-sched.$(OBJEXT) lib_a-select.$(OBJEXT) \
+	lib_a-seteuid.$(OBJEXT) lib_a-sethostid.$(OBJEXT) \
+	lib_a-sethostname.$(OBJEXT) lib_a-shm_open.$(OBJEXT) \
+	lib_a-shm_unlink.$(OBJEXT) lib_a-sig.$(OBJEXT) \
+	lib_a-sigaction.$(OBJEXT) lib_a-sigqueue.$(OBJEXT) \
+	lib_a-signal.$(OBJEXT) lib_a-siglongjmp.$(OBJEXT) \
+	lib_a-sigset.$(OBJEXT) lib_a-sigwait.$(OBJEXT) \
+	lib_a-socket.$(OBJEXT) lib_a-sleep.$(OBJEXT) \
+	lib_a-strsignal.$(OBJEXT) lib_a-strverscmp.$(OBJEXT) \
+	lib_a-sysconf.$(OBJEXT) lib_a-sysctl.$(OBJEXT) \
+	lib_a-systat.$(OBJEXT) lib_a-tcdrain.$(OBJEXT) \
+	lib_a-tcsendbrk.$(OBJEXT) lib_a-termios.$(OBJEXT) \
+	lib_a-time.$(OBJEXT) lib_a-usleep.$(OBJEXT) \
+	lib_a-versionsort.$(OBJEXT)
 am__objects_2 = lib_a-aio64.$(OBJEXT) lib_a-confstr.$(OBJEXT) \
 	lib_a-ctermid.$(OBJEXT) lib_a-fclean.$(OBJEXT) \
 	lib_a-fpathconf.$(OBJEXT) lib_a-fstab.$(OBJEXT) \
@@ -235,13 +237,13 @@ am__objects_6 = aio.lo brk.lo calloc.lo callocr.lo cfreer.lo \
 	cfspeed.lo clock_getres.lo clock_gettime.lo clock_settime.lo \
 	flockfile.lo free.lo freer.lo ftok.lo funlockfile.lo \
 	getdate.lo getdate_err.lo gethostid.lo gethostname.lo \
-	getreent.lo ids.lo inode.lo io.lo ipc.lo linux.lo mallinfor.lo \
-	malloc.lo mallocr.lo mallstatsr.lo mmap.lo mq_close.lo \
-	mq_getattr.lo mq_notify.lo mq_open.lo mq_receive.lo mq_send.lo \
-	mq_setattr.lo mq_unlink.lo msize.lo msizer.lo mstats.lo \
-	mtrim.lo mtrimr.lo ntp_gettime.lo pread.lo process.lo \
-	prof-freq.lo profile.lo psignal.lo pwrite.lo raise.lo \
-	realloc.lo reallocr.lo rename.lo resource.lo sched.lo \
+	getreent.lo ids.lo inode.lo io.lo ipc.lo isatty.lo linux.lo \
+	mallinfor.lo malloc.lo mallocr.lo mallstatsr.lo mmap.lo \
+	mq_close.lo mq_getattr.lo mq_notify.lo mq_open.lo \
+	mq_receive.lo mq_send.lo mq_setattr.lo mq_unlink.lo msize.lo \
+	msizer.lo mstats.lo mtrim.lo mtrimr.lo ntp_gettime.lo pread.lo \
+	process.lo prof-freq.lo profile.lo psignal.lo pwrite.lo \
+	raise.lo realloc.lo reallocr.lo rename.lo resource.lo sched.lo \
 	select.lo seteuid.lo sethostid.lo sethostname.lo shm_open.lo \
 	shm_unlink.lo sig.lo sigaction.lo sigqueue.lo signal.lo \
 	siglongjmp.lo sigset.lo sigwait.lo socket.lo sleep.lo \
@@ -465,6 +467,7 @@ GENERAL_SOURCES = \
 	inode.c \
 	io.c \
 	ipc.c \
+	isatty.c \
 	linux.c \
 	mallinfor.c \
 	malloc.c \
@@ -807,6 +810,12 @@ lib_a-ipc.o: ipc.c
 lib_a-ipc.obj: ipc.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-ipc.obj `if test -f 'ipc.c'; then $(CYGPATH_W) 'ipc.c'; else $(CYGPATH_W) '$(srcdir)/ipc.c'; fi`
 
+lib_a-isatty.o: isatty.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-isatty.o `test -f 'isatty.c' || echo '$(srcdir)/'`isatty.c
+
+lib_a-isatty.obj: isatty.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-isatty.obj `if test -f 'isatty.c'; then $(CYGPATH_W) 'isatty.c'; else $(CYGPATH_W) '$(srcdir)/isatty.c'; fi`
+
 lib_a-linux.o: linux.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-linux.o `test -f 'linux.c' || echo '$(srcdir)/'`linux.c
 
diff --git a/newlib/libc/sys/linux/isatty.c b/newlib/libc/sys/linux/isatty.c
new file mode 100644
index 000000000..45e09400e
--- /dev/null
+++ b/newlib/libc/sys/linux/isatty.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <unistd.h>
+#include <termios.h>
+
+#include <machine/weakalias.h>
+
+/* Return 1 if FD is a terminal, 0 if not.  */
+int
+__isatty (fd)
+     int fd;
+{
+  struct termios term;
+
+  return tcgetattr (fd, &term) == 0;
+}
+
+weak_alias (__isatty, isatty)