2008-11-19 Jeff Johnston <jjohnstn@redhat.com>

        * libc/sys/linux/bits/dirent.h: New header file.
        * libc/sys/linux/sys/dirent.h: Include <bits/dirent.h> instead of
        <linux/dirent.h>.
        * libc/posix/Makefile.am: Remove reallocf.
        * libc/posix/Makefile.in: Regenerated.
        * libc/posix/reallocf.c: Moved to...
        * libc/stdlib/reallocf.c: Here
        * libc/stdlib/malloc.c: Add reallocf documentation.
        * libc/include/stdlib.h: Add reallocf and _reallocf_r prototypes.
        * libc/stdlib/Makefile.am: Add reallocf.
        * libc/stdlib/Makefile.in: Regenerated.
        * libc/posix/_isatty.c: Set errno.

11 files changed, 146 insertions, 32 deletions

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index f8b1ccc5c..f94117f80 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,18 @@
+2008-11-19  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* libc/sys/linux/bits/dirent.h: New header file.
+	* libc/sys/linux/sys/dirent.h: Include <bits/dirent.h> instead of
+	<linux/dirent.h>.
+	* libc/posix/Makefile.am: Remove reallocf.
+	* libc/posix/Makefile.in: Regenerated.
+	* libc/posix/reallocf.c: Moved to...
+	* libc/stdlib/reallocf.c: Here
+	* libc/stdlib/malloc.c: Add reallocf documentation.
+	* libc/include/stdlib.h: Add reallocf and _reallocf_r prototypes.
+	* libc/stdlib/Makefile.am: Add reallocf.
+	* libc/stdlib/Makefile.in: Regenerated.
+	* libc/posix/_isatty.c: Set errno.
+
 2008-11-19  Craig Howland  <howland@LGSInnovations.com>
 
 	* libc/unix/collate.c (__collate_err): simplify to remove unnecessary
diff --git a/newlib/libc/include/stdlib.h b/newlib/libc/include/stdlib.h
index 5f2f60889..be4fa448b 100644
--- a/newlib/libc/include/stdlib.h
+++ b/newlib/libc/include/stdlib.h
@@ -104,6 +104,9 @@ char *  _EXFUN(mktemp,(char *));
 _VOID	_EXFUN(qsort,(_PTR __base, size_t __nmemb, size_t __size, int(*_compar)(const _PTR, const _PTR)));
 int	_EXFUN(rand,(_VOID));
 _PTR	_EXFUN(realloc,(_PTR __r, size_t __size));
+#ifndef __STRICT_ANSI__
+_PTR	_EXFUN(reallocf,(_PTR __r, size_t __size));
+#endif
 _VOID	_EXFUN(srand,(unsigned __seed));
 double	_EXFUN(strtod,(const char *__n, char **__end_PTR));
 double	_EXFUN(_strtod_r,(struct _reent *,const char *__n, char **__end_PTR));
@@ -129,6 +132,7 @@ int	_EXFUN(on_exit,(_VOID (*__func)(int, _PTR),_PTR __arg));
 _VOID	_EXFUN(_Exit,(int __status) _ATTRIBUTE ((noreturn)));
 int	_EXFUN(putenv,(char *__string));
 int	_EXFUN(_putenv_r,(struct _reent *, char *__string));
+_PTR	_EXFUN(_reallocf_r,(struct _reent *, _PTR, size_t));
 int	_EXFUN(setenv,(const char *__string, const char *__value, int __overwrite));
 int	_EXFUN(_setenv_r,(struct _reent *, const char *__string, const char *__value, int __overwrite));
 
diff --git a/newlib/libc/posix/Makefile.am b/newlib/libc/posix/Makefile.am
index d953b21df..7da0872c0 100644
--- a/newlib/libc/posix/Makefile.am
+++ b/newlib/libc/posix/Makefile.am
@@ -7,7 +7,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 GENERAL_SOURCES = \
 	closedir.c collate.c collcmp.c creat.c \
 	fnmatch.c glob.c _isatty.c isatty.c \
-	opendir.c readdir.c readdir.c reallocf.c \
+	opendir.c readdir.c readdir.c \
 	regcomp.c regerror.c regexec.c regfree.c \
 	rewinddir.c sleep.c usleep.c \
 	telldir.c
diff --git a/newlib/libc/posix/Makefile.in b/newlib/libc/posix/Makefile.in
index 51bf4692a..61895dbc8 100644
--- a/newlib/libc/posix/Makefile.in
+++ b/newlib/libc/posix/Makefile.in
@@ -62,11 +62,11 @@ am__objects_1 = lib_a-closedir.$(OBJEXT) lib_a-collate.$(OBJEXT) \
 	lib_a-fnmatch.$(OBJEXT) lib_a-glob.$(OBJEXT) \
 	lib_a-_isatty.$(OBJEXT) lib_a-isatty.$(OBJEXT) \
 	lib_a-opendir.$(OBJEXT) lib_a-readdir.$(OBJEXT) \
-	lib_a-readdir.$(OBJEXT) lib_a-reallocf.$(OBJEXT) \
-	lib_a-regcomp.$(OBJEXT) lib_a-regerror.$(OBJEXT) \
-	lib_a-regexec.$(OBJEXT) lib_a-regfree.$(OBJEXT) \
-	lib_a-rewinddir.$(OBJEXT) lib_a-sleep.$(OBJEXT) \
-	lib_a-usleep.$(OBJEXT) lib_a-telldir.$(OBJEXT)
+	lib_a-readdir.$(OBJEXT) lib_a-regcomp.$(OBJEXT) \
+	lib_a-regerror.$(OBJEXT) lib_a-regexec.$(OBJEXT) \
+	lib_a-regfree.$(OBJEXT) lib_a-rewinddir.$(OBJEXT) \
+	lib_a-sleep.$(OBJEXT) lib_a-usleep.$(OBJEXT) \
+	lib_a-telldir.$(OBJEXT)
 am__objects_2 = lib_a-scandir.$(OBJEXT) lib_a-seekdir.$(OBJEXT)
 am__objects_3 = lib_a-execl.$(OBJEXT) lib_a-execle.$(OBJEXT) \
 	lib_a-execlp.$(OBJEXT) lib_a-execv.$(OBJEXT) \
@@ -87,8 +87,8 @@ LTLIBRARIES = $(noinst_LTLIBRARIES)
 libposix_la_LIBADD =
 am__objects_6 = closedir.lo collate.lo collcmp.lo creat.lo fnmatch.lo \
 	glob.lo _isatty.lo isatty.lo opendir.lo readdir.lo readdir.lo \
-	reallocf.lo regcomp.lo regerror.lo regexec.lo regfree.lo \
-	rewinddir.lo sleep.lo usleep.lo telldir.lo
+	regcomp.lo regerror.lo regexec.lo regfree.lo rewinddir.lo \
+	sleep.lo usleep.lo telldir.lo
 am__objects_7 = scandir.lo seekdir.lo
 am__objects_8 = execl.lo execle.lo execlp.lo execv.lo execve.lo \
 	execvp.lo wordexp.lo wordfree.lo
@@ -292,7 +292,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 GENERAL_SOURCES = \
 	closedir.c collate.c collcmp.c creat.c \
 	fnmatch.c glob.c _isatty.c isatty.c \
-	opendir.c readdir.c readdir.c reallocf.c \
+	opendir.c readdir.c readdir.c \
 	regcomp.c regerror.c regexec.c regfree.c \
 	rewinddir.c sleep.c usleep.c \
 	telldir.c
@@ -452,12 +452,6 @@ lib_a-readdir.o: readdir.c
 lib_a-readdir.obj: readdir.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-readdir.obj `if test -f 'readdir.c'; then $(CYGPATH_W) 'readdir.c'; else $(CYGPATH_W) '$(srcdir)/readdir.c'; fi`
 
-lib_a-reallocf.o: reallocf.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-reallocf.o `test -f 'reallocf.c' || echo '$(srcdir)/'`reallocf.c
-
-lib_a-reallocf.obj: reallocf.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-reallocf.obj `if test -f 'reallocf.c'; then $(CYGPATH_W) 'reallocf.c'; else $(CYGPATH_W) '$(srcdir)/reallocf.c'; fi`
-
 lib_a-regcomp.o: regcomp.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-regcomp.o `test -f 'regcomp.c' || echo '$(srcdir)/'`regcomp.c
 
diff --git a/newlib/libc/posix/_isatty.c b/newlib/libc/posix/_isatty.c
index 7260211ef..7d6ccae7c 100644
--- a/newlib/libc/posix/_isatty.c
+++ b/newlib/libc/posix/_isatty.c
@@ -3,15 +3,19 @@
 /* Dumb implementation so programs will at least run.  */
 
 #include <sys/stat.h>
+#include <errno.h>
 
 int
 _DEFUN(_isatty, (fd), int fd)
 {
   struct stat buf;
 
-  if (fstat (fd, &buf) < 0)
+  if (fstat (fd, &buf) < 0) {
+    errno = EBADF;
     return 0;
+  }
   if (S_ISCHR (buf.st_mode))
     return 1;
+  errno = ENOTTY;
   return 0;
 }
diff --git a/newlib/libc/stdlib/Makefile.am b/newlib/libc/stdlib/Makefile.am
index ce3bcbca4..e63ea0334 100644
--- a/newlib/libc/stdlib/Makefile.am
+++ b/newlib/libc/stdlib/Makefile.am
@@ -47,6 +47,7 @@ GENERAL_SOURCES = \
 	rand.c		\
 	rand_r.c	\
 	realloc.c	\
+	reallocf.c	\
 	strtod.c	\
 	strtol.c	\
 	strtoul.c	\
diff --git a/newlib/libc/stdlib/Makefile.in b/newlib/libc/stdlib/Makefile.in
index 632e92d23..be947cbcf 100644
--- a/newlib/libc/stdlib/Makefile.in
+++ b/newlib/libc/stdlib/Makefile.in
@@ -87,11 +87,11 @@ am__objects_1 = lib_a-__adjust.$(OBJEXT) lib_a-__atexit.$(OBJEXT) \
 	lib_a-mlock.$(OBJEXT) lib_a-mprec.$(OBJEXT) \
 	lib_a-mstats.$(OBJEXT) lib_a-rand.$(OBJEXT) \
 	lib_a-rand_r.$(OBJEXT) lib_a-realloc.$(OBJEXT) \
-	lib_a-strtod.$(OBJEXT) lib_a-strtol.$(OBJEXT) \
-	lib_a-strtoul.$(OBJEXT) lib_a-wcstol.$(OBJEXT) \
-	lib_a-wcstoul.$(OBJEXT) lib_a-wcstombs.$(OBJEXT) \
-	lib_a-wcstombs_r.$(OBJEXT) lib_a-wctomb.$(OBJEXT) \
-	lib_a-wctomb_r.$(OBJEXT)
+	lib_a-reallocf.$(OBJEXT) lib_a-strtod.$(OBJEXT) \
+	lib_a-strtol.$(OBJEXT) lib_a-strtoul.$(OBJEXT) \
+	lib_a-wcstol.$(OBJEXT) lib_a-wcstoul.$(OBJEXT) \
+	lib_a-wcstombs.$(OBJEXT) lib_a-wcstombs_r.$(OBJEXT) \
+	lib_a-wctomb.$(OBJEXT) lib_a-wctomb_r.$(OBJEXT)
 am__objects_2 = lib_a-cxa_atexit.$(OBJEXT) \
 	lib_a-cxa_finalize.$(OBJEXT) lib_a-drand48.$(OBJEXT) \
 	lib_a-ecvtbuf.$(OBJEXT) lib_a-efgcvt.$(OBJEXT) \
@@ -135,9 +135,9 @@ am__objects_7 = __adjust.lo __atexit.lo __call_atexit.lo __exp10.lo \
 	gdtoa-gethex.lo gdtoa-hexnan.lo getenv.lo getenv_r.lo labs.lo \
 	ldiv.lo ldtoa.lo malloc.lo mblen.lo mblen_r.lo mbstowcs.lo \
 	mbstowcs_r.lo mbtowc.lo mbtowc_r.lo mlock.lo mprec.lo \
-	mstats.lo rand.lo rand_r.lo realloc.lo strtod.lo strtol.lo \
-	strtoul.lo wcstol.lo wcstoul.lo wcstombs.lo wcstombs_r.lo \
-	wctomb.lo wctomb_r.lo
+	mstats.lo rand.lo rand_r.lo realloc.lo reallocf.lo strtod.lo \
+	strtol.lo strtoul.lo wcstol.lo wcstoul.lo wcstombs.lo \
+	wcstombs_r.lo wctomb.lo wctomb_r.lo
 am__objects_8 = cxa_atexit.lo cxa_finalize.lo drand48.lo ecvtbuf.lo \
 	efgcvt.lo erand48.lo jrand48.lo lcong48.lo lrand48.lo \
 	mrand48.lo msize.lo mtrim.lo nrand48.lo rand48.lo seed48.lo \
@@ -388,6 +388,7 @@ GENERAL_SOURCES = \
 	rand.c		\
 	rand_r.c	\
 	realloc.c	\
+	reallocf.c	\
 	strtod.c	\
 	strtol.c	\
 	strtoul.c	\
@@ -857,6 +858,12 @@ lib_a-realloc.o: realloc.c
 lib_a-realloc.obj: realloc.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-realloc.obj `if test -f 'realloc.c'; then $(CYGPATH_W) 'realloc.c'; else $(CYGPATH_W) '$(srcdir)/realloc.c'; fi`
 
+lib_a-reallocf.o: reallocf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-reallocf.o `test -f 'reallocf.c' || echo '$(srcdir)/'`reallocf.c
+
+lib_a-reallocf.obj: reallocf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-reallocf.obj `if test -f 'reallocf.c'; then $(CYGPATH_W) 'reallocf.c'; else $(CYGPATH_W) '$(srcdir)/reallocf.c'; fi`
+
 lib_a-strtod.o: strtod.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-strtod.o `test -f 'strtod.c' || echo '$(srcdir)/'`strtod.c
 
diff --git a/newlib/libc/stdlib/malloc.c b/newlib/libc/stdlib/malloc.c
index 83453ab8d..160a13eff 100644
--- a/newlib/libc/stdlib/malloc.c
+++ b/newlib/libc/stdlib/malloc.c
@@ -23,6 +23,8 @@ INDEX
 INDEX
 	realloc
 INDEX
+	reallocf
+INDEX
 	free
 INDEX
 	memalign
@@ -33,6 +35,8 @@ INDEX
 INDEX
 	_realloc_r
 INDEX
+	_reallocf_r
+INDEX
 	_free_r
 INDEX
 	_memalign_r
@@ -43,6 +47,7 @@ ANSI_SYNOPSIS
 	#include <stdlib.h>
 	void *malloc(size_t <[nbytes]>);
 	void *realloc(void *<[aptr]>, size_t <[nbytes]>);
+	void *reallocf(void *<[aptr]>, size_t <[nbytes]>);
 	void free(void *<[aptr]>);
 
 	void *memalign(size_t <[align]>, size_t <[nbytes]>);
@@ -52,6 +57,8 @@ ANSI_SYNOPSIS
 	void *_malloc_r(void *<[reent]>, size_t <[nbytes]>);
 	void *_realloc_r(void *<[reent]>, 
                          void *<[aptr]>, size_t <[nbytes]>);
+	void *_reallocf_r(void *<[reent]>, 
+                         void *<[aptr]>, size_t <[nbytes]>);
 	void _free_r(void *<[reent]>, void *<[aptr]>);
 
 	void *_memalign_r(void *<[reent]>,
@@ -68,6 +75,10 @@ TRAD_SYNOPSIS
 	char *<[aptr]>;
 	size_t <[nbytes]>;
 
+	char *reallocf(<[aptr]>, <[nbytes]>)
+	char *<[aptr]>;
+	size_t <[nbytes]>;
+
 	void free(<[aptr]>)
 	char *<[aptr]>;
 
@@ -87,6 +98,11 @@ TRAD_SYNOPSIS
 	char *<[aptr]>;
 	size_t <[nbytes]>;
 
+	char *_reallocf_r(<[reent]>, <[aptr]>, <[nbytes]>)
+	char *<[reent]>;
+	char *<[aptr]>;
+	size_t <[nbytes]>;
+
 	void _free_r(<[reent]>, <[aptr]>)
 	char *<[reent]>;
 	char *<[aptr]>;
@@ -124,6 +140,11 @@ memory storage pool by calling <<free>> with the address of the object
 as the argument.  You can also use <<realloc>> for this purpose by
 calling it with <<0>> as the <[nbytes]> argument.
 
+The <<reallocf>> function behaves just like <<realloc>> except if the
+function is required to allocate new storage and this fails.  In this
+case <<reallocf>> will free the original object passed in whereas
+<<realloc>> will not.
+
 The <<memalign>> function returns a block of size <[nbytes]> aligned
 to a <[align]> boundary.  The <[align]> argument must be a power of
 two.
@@ -134,9 +155,9 @@ available in the block.  This may or may not be more than the size
 requested from <<malloc>>, due to alignment or minimum size
 constraints.
 
-The alternate functions <<_malloc_r>>, <<_realloc_r>>, <<_free_r>>,
-<<_memalign_r>>, and <<_malloc_usable_size_r>> are reentrant versions.
-The extra argument <[reent]> is a pointer to a reentrancy structure.
+The alternate functions <<_malloc_r>>, <<_realloc_r>>, <<_reallocf_r>>, 
+<<_free_r>>, <<_memalign_r>>, and <<_malloc_usable_size_r>> are reentrant
+versions.  The extra argument <[reent]> is a pointer to a reentrancy structure.
 
 If you have multiple threads of execution which may call any of these
 routines, or if any of these routines may be called reentrantly, then
diff --git a/newlib/libc/posix/reallocf.c b/newlib/libc/stdlib/reallocf.c
index 4c482fade..a9d329398 100644
--- a/newlib/libc/posix/reallocf.c
+++ b/newlib/libc/stdlib/reallocf.c
@@ -24,17 +24,32 @@
  * SUCH DAMAGE.
  */
 
+/* Documented in malloc.c.  */
+
 #include <sys/cdefs.h>
 
 #include <stdlib.h>
 
-void *
-reallocf(void *ptr, size_t size)
+_PTR
+_DEFUN (_reallocf_r, (reentptr, ptr, size),
+	struct _reent *reentptr _AND
+	_PTR ptr _AND
+	size_t size)
 {
 	void *nptr;
 
-	nptr = realloc(ptr, size);
+	nptr = _realloc_r(reentptr, ptr, size);
 	if (!nptr && ptr)
-		free(ptr);
+		_free_r(reentptr, ptr);
 	return (nptr);
 }
+
+#ifndef _REENT_ONLY
+_PTR
+_DEFUN (reallocf, (ptr, size),
+	_PTR ptr _AND
+	size_t size)
+{
+  return _reallocf_r(_REENT, ptr, size);
+}
+#endif
diff --git a/newlib/libc/sys/linux/bits/dirent.h b/newlib/libc/sys/linux/bits/dirent.h
new file mode 100644
index 000000000..e6eb17a41
--- /dev/null
+++ b/newlib/libc/sys/linux/bits/dirent.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 1996, 1997 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.  */
+
+#ifndef _SYS_DIRENT_H
+# error "Never use <bits/dirent.h> directly; include <dirent.h> instead."
+#endif
+
+struct dirent
+  {
+#ifndef __USE_FILE_OFFSET64
+    __ino_t d_ino;
+    __off_t d_off;
+#else
+    __ino64_t d_ino;
+    __off64_t d_off;
+#endif
+    unsigned short int d_reclen;
+    unsigned char d_type;
+    char d_name[256];		/* We must not include limits.h! */
+  };
+
+#ifdef __USE_LARGEFILE64
+struct dirent64
+  {
+    __ino64_t d_ino;
+    __off64_t d_off;
+    unsigned short int d_reclen;
+    unsigned char d_type;
+    char d_name[256];		/* We must not include limits.h! */
+  };
+#endif
+
+#define d_fileno	d_ino	/* Backwards compatibility.  */
+
+#undef  _DIRENT_HAVE_D_NAMLEN
+#define _DIRENT_HAVE_D_RECLEN
+#define _DIRENT_HAVE_D_OFF
+#define _DIRENT_HAVE_D_TYPE
diff --git a/newlib/libc/sys/linux/sys/dirent.h b/newlib/libc/sys/linux/sys/dirent.h
index 4bbae4229..58d774594 100644
--- a/newlib/libc/sys/linux/sys/dirent.h
+++ b/newlib/libc/sys/linux/sys/dirent.h
@@ -7,7 +7,7 @@
 #define _SYS_DIRENT_H
 
 #include <sys/types.h>
-#include <linux/dirent.h>
+#include <bits/dirent.h>
 #define _LIBC 1
 #define  NOT_IN_libc 1
 #include <sys/lock.h>