Update.

2000-01-28  Ulrich Drepper  <drepper@cygnus.com>

	* locale/C-monetary.c: Add initializers for new fields.
	* locale/C-numeric.c: Likewise.
	* locale/Makefile (distribute): Add indigits.h, indigitswc.h,
	outdigits.h, and outdigitswc.h.
	* locale/langinfo.h: Add _NL_MONETARY_DECIMAL_POINT_WC,
	_NL_MONETARY_THOUSANDS_SEP_WC, _NL_NUMERIC_DECIMAL_POINT_WC,
	and _NL_NUMERIC_THOUSANDS_SEP_WC.
	* locale/indigits.h: New file.
	* locale/indigitswc.h: New file.
	* locale/outdigits.h: New file.
	* locale/outdigitswc.h: New file.
	* locale/programs/ld-monetary.c: Write out decimal point and
	thousands separator info in wide character form.
	* locale/programs/ld-numeric.c: Likewise.
	* stdio-common/Makefile (routines): Add _i18n_itoa and _i18n_itowa.
	(distribute): Add _i18n_itoa.h and _i18n_itowa.h.
	* stdio-common/_i18n_itoa.c: New file.
	* stdio-common/_i18n_itoa.h: New file.
	* stdio-common/_i18n_itowa.c: New file.
	* stdio-common/_i18n_itowa.h: New file.
	* stdio-common/printf-parse.h: Parse 'I' flag.
	* stdio-common/printf.h (struct printf_info): Add i18n field.
	* stdio-common/vfprintf.c: Implement 'I' flag to print using locales'
	outdigits.

8 files changed, 717 insertions, 46 deletions

diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index cf12dc7704..d2f51888e4 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+# Copyright (C) 1991-1999, 2000 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
@@ -25,7 +25,7 @@ headers	:= printf.h
 
 routines	:=							      \
 	ctermid cuserid							      \
-	_itoa _itowa itoa-digits itowa-digits				      \
+	_itoa _itowa _i18n_itoa _i18n_itowa itoa-digits itowa-digits	      \
 	vfprintf vprintf printf_fp reg-printf printf-prs printf_fphex	      \
 	printf_size fprintf printf snprintf sprintf asprintf dprintf	      \
 	vfscanf 							      \
@@ -45,7 +45,8 @@ endif
 install-others := $(inst_includedir)/bits/stdio_lim.h
 
 aux	:= errlist siglist
-distribute := _itoa.h _itowa.h printf-parse.h stdio_lim.h.in
+distribute := _itoa.h _itowa.h _i18n_itoa.h _i18n_itowa.h \
+	      printf-parse.h stdio_lim.h.in
 
 tests := tst-printf tstscanf test_rdwr test-popen tstgetln test-fseek \
 	 temptest tst-fileno test-fwrite tst-ungetc tst-ferror \
diff --git a/stdio-common/_i18n_itoa.c b/stdio-common/_i18n_itoa.c
new file mode 100644
index 0000000000..55a7b28ec2
--- /dev/null
+++ b/stdio-common/_i18n_itoa.c
@@ -0,0 +1,266 @@
+/* Internal function for converting integers to string using locale
+   specific digits.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <gmp-mparam.h>
+#include <stdlib/gmp.h>
+#include <stdlib/gmp-impl.h>
+#include <stdlib/longlong.h>
+
+#include "_i18n_itoa.h"
+
+
+/* Canonize environment.  For some architectures not all values might
+   be defined in the GMP header files.  */
+#ifndef UMUL_TIME
+# define UMUL_TIME 1
+#endif
+#ifndef UDIV_TIME
+# define UDIV_TIME 3
+#endif
+
+/* Control memory layout.  */
+#ifdef PACK
+# undef PACK
+# define PACK __attribute__ ((packed))
+#else
+# define PACK
+#endif
+
+
+/* Declare local types.  */
+struct base_table_t
+{
+#if (UDIV_TIME > 2 * UMUL_TIME)
+  mp_limb_t base_multiplier;
+#endif
+  char flag;
+  char post_shift;
+#if BITS_PER_MP_LIMB == 32
+  struct
+    {
+      char normalization_steps;
+      char ndigits;
+      mp_limb_t base PACK;
+#if UDIV_TIME > 2 * UMUL_TIME
+      mp_limb_t base_ninv PACK;
+#endif
+    } big;
+#endif
+};
+
+
+/* Variable in other file.  */
+extern const struct base_table_t _itoa_base_table[];
+
+
+char *
+_i18n_itoa (value, buflim)
+     unsigned long long int value;
+     char *buflim;
+{
+  const struct base_table_t *brec = &_itoa_base_table[8];
+
+#if BITS_PER_MP_LIMB == 64
+  mp_limb_t base_multiplier = brec->base_multiplier;
+  if (brec->flag)    while (value != 0)
+      {
+	mp_limb_t quo, rem, x, dummy;
+
+	umul_ppmm (x, dummy, value, base_multiplier);
+	quo = (x + ((value - x) >> 1)) >> (brec->post_shift - 1);
+	rem = value - quo * 10;
+	buflim = outdigit_value (buflim, rem);
+	value = quo;
+      }
+  else
+    while (value != 0)
+      {
+	mp_limb_t quo, rem, x, dummy;
+
+	umul_ppmm (x, dummy, value, base_multiplier);
+	quo = x >> brec->post_shift;
+	rem = value - quo * 10;
+	buflim = outdigit_value (buflim, rem);
+	value = quo;
+      }
+#endif
+#if BITS_PER_MP_LIMB == 32
+  mp_limb_t t[3];
+  int n;
+
+  /* First convert x0 to 1-3 words in base s->big.base.
+     Optimize for frequent cases of 32 bit numbers.  */
+  if ((mp_limb_t) (value >> 32) >= 1)
+    {
+#if UDIV_TIME > 2 * UMUL_TIME || UDIV_NEEDS_NORMALIZATION
+      int big_normalization_steps = brec->big.normalization_steps;
+      mp_limb_t big_base_norm
+	= brec->big.base << big_normalization_steps;
+#endif
+      if ((mp_limb_t) (value >> 32) >= brec->big.base)
+	{
+	  mp_limb_t x1hi, x1lo, r;
+	  /* If you want to optimize this, take advantage of
+	     that the quotient in the first udiv_qrnnd will
+	     always be very small.  It might be faster just to
+	     subtract in a tight loop.  */
+
+#if UDIV_TIME > 2 * UMUL_TIME
+	  mp_limb_t x, xh, xl;
+
+	  if (big_normalization_steps == 0)
+	    xh = 0;
+	  else
+	    xh = (mp_limb_t) (value >> (64 - big_normalization_steps));
+	  xl = (mp_limb_t) (value >> (32 - big_normalization_steps));
+	  udiv_qrnnd_preinv (x1hi, r, xh, xl, big_base_norm,
+			     brec->big.base_ninv);
+
+	  xl = ((mp_limb_t) value) << big_normalization_steps;
+	  udiv_qrnnd_preinv (x1lo, x, r, xl, big_base_norm,
+			     brec->big.base_ninv);
+	  t[2] = x >> big_normalization_steps;
+
+	  if (big_normalization_steps == 0)
+	    xh = x1hi;
+	  else
+	    xh = ((x1hi << big_normalization_steps)
+		  | (x1lo >> (32 - big_normalization_steps)));
+	  xl = x1lo << big_normalization_steps;
+	  udiv_qrnnd_preinv (t[0], x, xh, xl, big_base_norm,
+			     brec->big.base_ninv);
+	  t[1] = x >> big_normalization_steps;
+#elif UDIV_NEEDS_NORMALIZATION
+	  mp_limb_t x, xh, xl;
+
+	  if (big_normalization_steps == 0)
+	    xh = 0;
+	  else
+	    xh = (mp_limb_t) (value >> 64 - big_normalization_steps);
+	  xl = (mp_limb_t) (value >> 32 - big_normalization_steps);
+	  udiv_qrnnd (x1hi, r, xh, xl, big_base_norm);
+
+	  xl = ((mp_limb_t) value) << big_normalization_steps;
+	  udiv_qrnnd (x1lo, x, r, xl, big_base_norm);
+	  t[2] = x >> big_normalization_steps;
+
+	  if (big_normalization_steps == 0)
+	    xh = x1hi;
+	  else
+	    xh = ((x1hi << big_normalization_steps)
+		  | (x1lo >> 32 - big_normalization_steps));
+	  xl = x1lo << big_normalization_steps;
+	  udiv_qrnnd (t[0], x, xh, xl, big_base_norm);
+	  t[1] = x >> big_normalization_steps;
+#else
+	  udiv_qrnnd (x1hi, r, 0, (mp_limb_t) (value >> 32),
+		      brec->big.base);
+	  udiv_qrnnd (x1lo, t[2], r, (mp_limb_t) value, brec->big.base);
+	  udiv_qrnnd (t[0], t[1], x1hi, x1lo, brec->big.base);
+#endif
+	  n = 3;
+	}
+      else
+	{
+#if (UDIV_TIME > 2 * UMUL_TIME)
+	  mp_limb_t x;
+
+	  value <<= brec->big.normalization_steps;
+	  udiv_qrnnd_preinv (t[0], x, (mp_limb_t) (value >> 32),
+			     (mp_limb_t) value, big_base_norm,
+			     brec->big.base_ninv);
+	  t[1] = x >> brec->big.normalization_steps;
+#elif UDIV_NEEDS_NORMALIZATION
+	  mp_limb_t x;
+
+	  value <<= big_normalization_steps;
+	  udiv_qrnnd (t[0], x, (mp_limb_t) (value >> 32),
+		      (mp_limb_t) value, big_base_norm);
+	  t[1] = x >> big_normalization_steps;
+#else
+	  udiv_qrnnd (t[0], t[1], (mp_limb_t) (value >> 32),
+		      (mp_limb_t) value, brec->big.base);
+#endif
+	  n = 2;
+	}
+    }
+  else
+    {
+      t[0] = value;
+      n = 1;
+    }
+
+  /* Convert the 1-3 words in t[], word by word, to ASCII.  */
+  do
+    {
+      mp_limb_t ti = t[--n];
+      int ndig_for_this_limb = 0;
+
+#if UDIV_TIME > 2 * UMUL_TIME
+      mp_limb_t base_multiplier = brec->base_multiplier;
+      if (brec->flag)
+	while (ti != 0)
+	  {
+	    mp_limb_t quo, rem, x, dummy;
+
+	    umul_ppmm (x, dummy, ti, base_multiplier);
+	    quo = (x + ((ti - x) >> 1)) >> (brec->post_shift - 1);
+	    rem = ti - quo * 10;
+	    buflim = outdigit_value (buflim, rem);
+	    ti = quo;
+	    ++ndig_for_this_limb;
+	  }      else
+	while (ti != 0)
+	  {
+	    mp_limb_t quo, rem, x, dummy;
+
+	    umul_ppmm (x, dummy, ti, base_multiplier);
+	    quo = x >> brec->post_shift;
+	    rem = ti - quo * 10;
+	    buflim = outdigit_value (buflim, rem);
+	    ti = quo;
+	    ++ndig_for_this_limb;
+	  }
+#else
+      while (ti != 0)
+	{
+	  mp_limb_t quo, rem;
+
+	  quo = ti / 10;
+	  rem = ti % 10;
+	  buflim = outdigit_value (buflim, rem);
+	  ti = quo;
+	  ++ndig_for_this_limb;
+	}
+#endif
+      /* If this wasn't the most significant word, pad with zeros.  */
+      if (n != 0)
+	while (ndig_for_this_limb < brec->big.ndigits)
+	  {
+	    *--buflim = '0';
+	    ++ndig_for_this_limb;
+	  }
+    }
+  while (n != 0);
+#endif
+
+  return buflim;
+}
diff --git a/stdio-common/_i18n_itoa.h b/stdio-common/_i18n_itoa.h
new file mode 100644
index 0000000000..5662cd91f3
--- /dev/null
+++ b/stdio-common/_i18n_itoa.h
@@ -0,0 +1,41 @@
+/* Internal function for converting integers to string using locale
+   specific digits.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _I18N_ITOA_H
+#define _I18N_ITOA_H
+#include <sys/cdefs.h>
+
+#include "../locale/outdigits.h"
+
+
+extern char *_i18n_itoa (unsigned long long int value, char *buflim);
+
+static inline char *
+_i18n_itoa_word (unsigned long int value, char *buflim)
+{
+  do
+    buflim = outdigit_value (buflim, value % 10);
+  while ((value /= 10) != 0);					      \
+
+  return buflim;
+}
+
+#endif	/* _i18n_itoa.h */
diff --git a/stdio-common/_i18n_itowa.c b/stdio-common/_i18n_itowa.c
new file mode 100644
index 0000000000..357f8a383b
--- /dev/null
+++ b/stdio-common/_i18n_itowa.c
@@ -0,0 +1,267 @@
+/* Internal function for converting integers to string using locale
+   specific digits.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <gmp-mparam.h>
+#include <stdlib/gmp.h>
+#include <stdlib/gmp-impl.h>
+#include <stdlib/longlong.h>
+
+#include "_i18n_itowa.h"
+
+
+/* Canonize environment.  For some architectures not all values might
+   be defined in the GMP header files.  */
+#ifndef UMUL_TIME
+# define UMUL_TIME 1
+#endif
+#ifndef UDIV_TIME
+# define UDIV_TIME 3
+#endif
+
+/* Control memory layout.  */
+#ifdef PACK
+# undef PACK
+# define PACK __attribute__ ((packed))
+#else
+# define PACK
+#endif
+
+
+/* Declare local types.  */
+struct base_table_t
+{
+#if (UDIV_TIME > 2 * UMUL_TIME)
+  mp_limb_t base_multiplier;
+#endif
+  char flag;
+  char post_shift;
+#if BITS_PER_MP_LIMB == 32
+  struct
+    {
+      char normalization_steps;
+      char ndigits;
+      mp_limb_t base PACK;
+#if UDIV_TIME > 2 * UMUL_TIME
+      mp_limb_t base_ninv PACK;
+#endif
+    } big;
+#endif
+};
+
+
+/* Variable in other file.  */
+extern const struct base_table_t _itoa_base_table[];
+
+
+wchar_t *
+_i18n_itowa (value, buflim)
+     unsigned long long int value;
+     wchar_t *buflim;
+{
+  const struct base_table_t *brec = &_itoa_base_table[8];
+
+#if BITS_PER_MP_LIMB == 64
+  mp_limb_t base_multiplier = brec->base_multiplier;
+  if (brec->flag)    while (value != 0)
+      {
+	mp_limb_t quo, rem, x, dummy;
+
+	umul_ppmm (x, dummy, value, base_multiplier);
+	quo = (x + ((value - x) >> 1)) >> (brec->post_shift - 1);
+	rem = value - quo * 10;
+	*--buflim = outdigitwc_value (rem);
+	value = quo;
+      }
+  else
+    while (value != 0)
+      {
+	mp_limb_t quo, rem, x, dummy;
+
+	umul_ppmm (x, dummy, value, base_multiplier);
+	quo = x >> brec->post_shift;
+	rem = value - quo * 10;
+	*--buflim = outdigitwc_value (rem);
+	value = quo;
+      }
+#endif
+#if BITS_PER_MP_LIMB == 32
+  mp_limb_t t[3];
+  int n;
+
+  /* First convert x0 to 1-3 words in base s->big.base.
+     Optimize for frequent cases of 32 bit numbers.  */
+  if ((mp_limb_t) (value >> 32) >= 1)
+    {
+#if UDIV_TIME > 2 * UMUL_TIME || UDIV_NEEDS_NORMALIZATION
+      int big_normalization_steps = brec->big.normalization_steps;
+      mp_limb_t big_base_norm
+	= brec->big.base << big_normalization_steps;
+#endif
+      if ((mp_limb_t) (value >> 32) >= brec->big.base)
+	{
+	  mp_limb_t x1hi, x1lo, r;
+	  /* If you want to optimize this, take advantage of
+	     that the quotient in the first udiv_qrnnd will
+	     always be very small.  It might be faster just to
+	     subtract in a tight loop.  */
+
+#if UDIV_TIME > 2 * UMUL_TIME
+	  mp_limb_t x, xh, xl;
+
+	  if (big_normalization_steps == 0)
+	    xh = 0;
+	  else
+	    xh = (mp_limb_t) (value >> (64 - big_normalization_steps));
+	  xl = (mp_limb_t) (value >> (32 - big_normalization_steps));
+	  udiv_qrnnd_preinv (x1hi, r, xh, xl, big_base_norm,
+			     brec->big.base_ninv);
+
+	  xl = ((mp_limb_t) value) << big_normalization_steps;
+	  udiv_qrnnd_preinv (x1lo, x, r, xl, big_base_norm,
+			     brec->big.base_ninv);
+	  t[2] = x >> big_normalization_steps;
+
+	  if (big_normalization_steps == 0)
+	    xh = x1hi;
+	  else
+	    xh = ((x1hi << big_normalization_steps)
+		  | (x1lo >> (32 - big_normalization_steps)));
+	  xl = x1lo << big_normalization_steps;
+	  udiv_qrnnd_preinv (t[0], x, xh, xl, big_base_norm,
+			     brec->big.base_ninv);
+	  t[1] = x >> big_normalization_steps;
+#elif UDIV_NEEDS_NORMALIZATION
+	  mp_limb_t x, xh, xl;
+
+	  if (big_normalization_steps == 0)
+	    xh = 0;
+	  else
+	    xh = (mp_limb_t) (value >> 64 - big_normalization_steps);
+	  xl = (mp_limb_t) (value >> 32 - big_normalization_steps);
+	  udiv_qrnnd (x1hi, r, xh, xl, big_base_norm);
+
+	  xl = ((mp_limb_t) value) << big_normalization_steps;
+	  udiv_qrnnd (x1lo, x, r, xl, big_base_norm);
+	  t[2] = x >> big_normalization_steps;
+
+	  if (big_normalization_steps == 0)
+	    xh = x1hi;
+	  else
+	    xh = ((x1hi << big_normalization_steps)
+		  | (x1lo >> 32 - big_normalization_steps));
+	  xl = x1lo << big_normalization_steps;
+	  udiv_qrnnd (t[0], x, xh, xl, big_base_norm);
+	  t[1] = x >> big_normalization_steps;
+#else
+	  udiv_qrnnd (x1hi, r, 0, (mp_limb_t) (value >> 32),
+		      brec->big.base);
+	  udiv_qrnnd (x1lo, t[2], r, (mp_limb_t) value, brec->big.base);
+	  udiv_qrnnd (t[0], t[1], x1hi, x1lo, brec->big.base);
+#endif
+	  n = 3;
+	}
+      else
+	{
+#if (UDIV_TIME > 2 * UMUL_TIME)
+	  mp_limb_t x;
+
+	  value <<= brec->big.normalization_steps;
+	  udiv_qrnnd_preinv (t[0], x, (mp_limb_t) (value >> 32),
+			     (mp_limb_t) value, big_base_norm,
+			     brec->big.base_ninv);
+	  t[1] = x >> brec->big.normalization_steps;
+#elif UDIV_NEEDS_NORMALIZATION
+	  mp_limb_t x;
+
+	  value <<= big_normalization_steps;
+	  udiv_qrnnd (t[0], x, (mp_limb_t) (value >> 32),
+		      (mp_limb_t) value, big_base_norm);
+	  t[1] = x >> big_normalization_steps;
+#else
+	  udiv_qrnnd (t[0], t[1], (mp_limb_t) (value >> 32),
+		      (mp_limb_t) value, brec->big.base);
+#endif
+	  n = 2;
+	}
+    }
+  else
+    {
+      t[0] = value;
+      n = 1;
+    }
+
+  /* Convert the 1-3 words in t[], word by word, to ASCII.  */
+  do
+    {
+      mp_limb_t ti = t[--n];
+      int ndig_for_this_limb = 0;
+
+#if UDIV_TIME > 2 * UMUL_TIME
+      mp_limb_t base_multiplier = brec->base_multiplier;
+      if (brec->flag)
+	while (ti != 0)
+	  {
+	    mp_limb_t quo, rem, x, dummy;
+
+	    umul_ppmm (x, dummy, ti, base_multiplier);
+	    quo = (x + ((ti - x) >> 1)) >> (brec->post_shift - 1);
+	    rem = ti - quo * 10;
+	    *--buflim = outdigitwc_value (rem);
+	    ti = quo;
+	    ++ndig_for_this_limb;
+	  }
+      else
+	while (ti != 0)
+	  {
+	    mp_limb_t quo, rem, x, dummy;
+
+	    umul_ppmm (x, dummy, ti, base_multiplier);
+	    quo = x >> brec->post_shift;
+	    rem = ti - quo * 10;
+	    *--buflim = outdigitwc_value (rem);
+	    ti = quo;
+	    ++ndig_for_this_limb;
+	  }
+#else
+      while (ti != 0)
+	{
+	  mp_limb_t quo, rem;
+
+	  quo = ti / 10;
+	  rem = ti % 10;
+	  *--buflim = outdigitwc_value (rem);
+	  ti = quo;
+	  ++ndig_for_this_limb;
+	}
+#endif
+      /* If this wasn't the most significant word, pad with zeros.  */
+      if (n != 0)
+	while (ndig_for_this_limb < brec->big.ndigits)
+	  {
+	    *--buflim = '0';
+	    ++ndig_for_this_limb;
+	  }
+    }
+  while (n != 0);
+#endif
+
+  return buflim;
+}
diff --git a/stdio-common/_i18n_itowa.h b/stdio-common/_i18n_itowa.h
new file mode 100644
index 0000000000..f4b091e5f6
--- /dev/null
+++ b/stdio-common/_i18n_itowa.h
@@ -0,0 +1,41 @@
+/* Internal function for converting integers to string using locale
+   specific digits.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _I18N_ITOWA_H
+#define _I18N_ITOWA_H
+#include <sys/cdefs.h>
+
+#include "../locale/outdigitswc.h"
+
+
+extern wchar_t *_i18n_itowa (unsigned long long int value, wchar_t *buflim);
+
+static inline wchar_t *
+_i18n_itowa_word (unsigned long int value, wchar_t *buflim)
+{
+  do
+    *--buflim = outdigitwc_value (value % 10);
+  while ((value /= 10) != 0);					      \
+
+  return buflim;
+}
+
+#endif	/* _i18n_itoa.h */
diff --git a/stdio-common/printf-parse.h b/stdio-common/printf-parse.h
index a8cb0345c3..64ecbe023f 100644
--- a/stdio-common/printf-parse.h
+++ b/stdio-common/printf-parse.h
@@ -1,5 +1,5 @@
 /* Internal header for parsing printf format strings.
-   Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
    This file is part of th GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -201,6 +201,11 @@ parse_one_spec (const UCHAR_T *format, size_t posn, struct printf_spec *spec,
 	   indicates any.  */
 	spec->info.group = 1;
 	break;
+      case L_('I'):
+	/* Use the internationalized form of the output.  Currently
+	   means to use the `outdigits' of the current locale.  */
+	spec->info.i18n = 1;
+	break;
       }
   if (spec->info.left)
     spec->info.pad = ' ';
diff --git a/stdio-common/printf.h b/stdio-common/printf.h
index 755f652ec2..c24a6fa454 100644
--- a/stdio-common/printf.h
+++ b/stdio-common/printf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1993, 1995-1999, 2000 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
@@ -46,6 +46,7 @@ struct printf_info
   unsigned int extra:1;		/* For special use.  */
   unsigned int is_char:1;	/* hh flag.  */
   unsigned int wide:1;		/* Nonzero for wide character streams.  */
+  unsigned int i18n:1;		/* I flag.  */
   wchar_t pad;			/* Padding character.  */
 };
 
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index d4145a7279..9d8785bf21 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999, 2000 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
@@ -27,6 +27,7 @@
 #include <bits/libc-lock.h>
 #include <sys/param.h>
 #include "_itoa.h"
+#include "_i18n_itoa.h"
 #include <locale/localeinfo.h>
 
 /* This code is shared between the standard stdio implementation found
@@ -80,6 +81,7 @@
 			  return -1
 # else
 # include "_itowa.h"
+# include "_i18n_itowa.h"
 
 #  define vfprintf	_IO_vfwprintf
 #  define CHAR_T	wchar_t
@@ -98,6 +100,9 @@
 
 #  define _itoa(Val, Buf, Base, Case) _itowa (Val, Buf, Base, Case)
 #  define _itoa_word(Val, Buf, Base, Case) _itowa_word (Val, Buf, Base, Case)
+#  define _i18n_itoa(Val, Buf, Base, Case) _i18n_itowa (Val, Buf, Base, Case)
+#  define _i18n_itoa_word(Val, Buf, Base, Case) \
+  _i18n_itowa_word (Val, Buf, Base, Case)
 #  undef EOF
 #  define EOF WEOF
 # endif
@@ -213,8 +218,13 @@ static int printf_unknown __P ((FILE *, const struct printf_info *,
 				const void *const *));
 
 /* Group digits of number string.  */
+#ifdef COMPILE_WPRINTF
 static CHAR_T *group_number __P ((CHAR_T *, CHAR_T *, const char *, wchar_t))
      internal_function;
+#else
+static CHAR_T *group_number __P ((CHAR_T *, CHAR_T *, const char *,
+				  const char *)) internal_function;
+#endif
 
 
 /* The function itself.  */
@@ -222,7 +232,11 @@ int
 vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 {
   /* The character used as thousands separator.  */
+#ifdef COMPILE_WPRINTF
   wchar_t thousands_sep;
+#else
+  const char *thousands_sep;
+#endif
 
   /* The string describing the size of groups of digits.  */
   const char *grouping;
@@ -254,6 +268,10 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
   /* Count number of specifiers we already processed.  */
   int nspecs_done;
 
+  /* This flag is set by the 'I' modifier and selects the use of the
+     `outdigits' as determined by the current locale.  */
+  int use_outdigits;
+
   /* For the %m format we may need the current `errno' value.  */
   int save_errno = errno;
 
@@ -273,7 +291,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	       0,            0,            0,            0,
 	       0, /* 'A' */ 26,            0, /* 'C' */ 25,
 	       0, /* 'E' */ 19,            0, /* 'G' */ 19,
-	       0,            0,            0,            0,
+	       0, /* 'I' */ 29,            0,            0,
     /* 'L' */ 12,            0,            0,            0,
 	       0,            0,            0, /* 'S' */ 21,
 	       0,            0,            0,            0,
@@ -321,7 +339,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 
 #define STEP0_3_TABLE							      \
     /* Step 0: at the beginning.  */					      \
-    static JUMP_TABLE_TYPE step0_jumps[29] =				      \
+    static JUMP_TABLE_TYPE step0_jumps[30] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (flag_space),		/* for ' ' */				      \
@@ -352,9 +370,10 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_floathex),	/* for 'A', 'a' */			      \
       REF (mod_ptrdiff_t),      /* for 't' */				      \
       REF (mod_intmax_t),       /* for 'j' */				      \
+      REF (flag_i18n),	        /* for 'I' */				      \
     };									      \
     /* Step 1: after processing width.  */				      \
-    static JUMP_TABLE_TYPE step1_jumps[29] =				      \
+    static JUMP_TABLE_TYPE step1_jumps[30] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -384,10 +403,11 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_wcharacter),	/* for 'C' */				      \
       REF (form_floathex),	/* for 'A', 'a' */			      \
       REF (mod_ptrdiff_t),      /* for 't' */				      \
-      REF (mod_intmax_t)        /* for 'j' */				      \
+      REF (mod_intmax_t),       /* for 'j' */				      \
+      REF (flag_i18n)	        /* for 'I' */				      \
     };									      \
     /* Step 2: after processing precision.  */				      \
-    static JUMP_TABLE_TYPE step2_jumps[29] =				      \
+    static JUMP_TABLE_TYPE step2_jumps[30] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -417,10 +437,11 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_wcharacter),	/* for 'C' */				      \
       REF (form_floathex),	/* for 'A', 'a' */			      \
       REF (mod_ptrdiff_t),      /* for 't' */				      \
-      REF (mod_intmax_t)        /* for 'j' */				      \
+      REF (mod_intmax_t),       /* for 'j' */				      \
+      REF (flag_i18n)	        /* for 'I' */				      \
     };									      \
     /* Step 3a: after processing first 'h' modifier.  */		      \
-    static JUMP_TABLE_TYPE step3a_jumps[29] =				      \
+    static JUMP_TABLE_TYPE step3a_jumps[30] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -450,10 +471,11 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_unknown),	/* for 'C' */				      \
       REF (form_unknown),	/* for 'A', 'a' */			      \
       REF (form_unknown),       /* for 't' */				      \
-      REF (form_unknown)        /* for 'j' */				      \
+      REF (form_unknown),       /* for 'j' */				      \
+      REF (form_unknown)        /* for 'I' */				      \
     };									      \
     /* Step 3b: after processing first 'l' modifier.  */		      \
-    static JUMP_TABLE_TYPE step3b_jumps[29] =				      \
+    static JUMP_TABLE_TYPE step3b_jumps[30] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -483,12 +505,13 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_wcharacter),	/* for 'C' */				      \
       REF (form_floathex),	/* for 'A', 'a' */			      \
       REF (form_unknown),       /* for 't' */				      \
-      REF (form_unknown)        /* for 'j' */				      \
+      REF (form_unknown),       /* for 'j' */				      \
+      REF (form_unknown)        /* for 'I' */				      \
     }
 
 #define STEP4_TABLE							      \
     /* Step 4: processing format specifier.  */				      \
-    static JUMP_TABLE_TYPE step4_jumps[29] =				      \
+    static JUMP_TABLE_TYPE step4_jumps[30] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -518,7 +541,8 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_wcharacter),	/* for 'C' */				      \
       REF (form_floathex),	/* for 'A', 'a' */			      \
       REF (form_unknown),       /* for 't' */				      \
-      REF (form_unknown)        /* for 'j' */				      \
+      REF (form_unknown),       /* for 'j' */				      \
+      REF (form_unknown)        /* for 'I' */				      \
     }
 
 
@@ -624,8 +648,11 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	  else								      \
 	    {								      \
 	      /* Put the number in WORK.  */				      \
-	      string = _itoa (number.longlong, workend + 1, base,	      \
-			      spec == L_('X'));				      \
+	      if (use_outdigits && base == 10)				      \
+	        string = _i18n_itoa (number.longlong, workend + 1);	      \
+	      else							      \
+	        string = _itoa (number.longlong, workend + 1, base,	      \
+			        spec == L_('X'));			      \
 	      string -= 1;						      \
 	      if (group && grouping)					      \
 		string = group_number (string, workend, grouping,	      \
@@ -678,8 +705,11 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	  else								      \
 	    {								      \
 	      /* Put the number in WORK.  */				      \
-	      string = _itoa_word (number.word, workend + 1, base,	      \
-				   spec == L_('X'));			      \
+	      if (use_outdigits && base == 10)				      \
+	        string = _i18n_itoa_word (number.word, workend + 1);	      \
+	      else							      \
+	        string = _itoa_word (number.word, workend + 1, base,	      \
+				     spec == L_('X'));			      \
 	      string -= 1;						      \
 	      if (group && grouping)					      \
 		string = group_number (string, workend, grouping,	      \
@@ -1302,26 +1332,31 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
     LABEL (flag_quote):
       group = 1;
 
-      /* XXX Completely wrong.  Use wctob.  */
       if (grouping == (const char *) -1)
 	{
-	  mbstate_t mbstate;
-
-	  /* Figure out the thousands separator character.  */
-	  memset (&mbstate, '\0', sizeof (mbstate));
-	  if (__mbrtowc (&thousands_sep,
-			 _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP),
-			 strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP)),
-			 &mbstate) <= 0)
-	    thousands_sep = (wchar_t)
-	      *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
+#ifdef COMPILE_WPRINTF
+	  thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
+					    _NL_NUMERIC_THOUSANDS_SEP_WC);
+#else
+	  thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
+#endif
+
 	  grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
 	  if (*grouping == '\0' || *grouping == CHAR_MAX
-	      || thousands_sep == L'\0')
+#ifdef COMPILE_WPRINTF
+	      || thousands_sep == L'\0'
+#else
+	      || *thousands_sep == '\0'
+#endif
+	      )
 	    grouping = NULL;
 	}
       JUMP (*++f, step0_jumps);
 
+    LABEL (flag_i18n):
+      use_outdigits = 1;
+      break;
+
       /* Get width from argument.  */
     LABEL (width_asterics):
       {
@@ -1492,18 +1527,15 @@ do_positional:
 
     if (grouping == (const char *) -1)
       {
-	mbstate_t mbstate;
-
-	/* Figure out the thousands separator character.  */
-	memset (&mbstate, '\0', sizeof (mbstate));
-	if (__mbrtowc (&thousands_sep,
-		       _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP),
-		       strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP)),
-		       &mbstate) <= 0)
-	  thousands_sep = (wchar_t) *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
+#ifdef COMPILE_WPRINTF
+	thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
+					  _NL_NUMERIC_THOUSANDS_SEP_WC);
+#else
+	thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
+#endif
+
 	grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
-	if (*grouping == '\0' || *grouping == CHAR_MAX
-	    || thousands_sep == L'\0')
+	if (*grouping == '\0' || *grouping == CHAR_MAX)
 	  grouping = NULL;
       }
 
@@ -1781,6 +1813,8 @@ printf_unknown (FILE *s, const struct printf_info *info,
     outchar (L_('-'));
   if (info->pad == L_('0'))
     outchar (L_('0'));
+  if (info->i18n)
+    outchar (L_('I'));
 
   if (info->width != 0)
     {
@@ -1809,10 +1843,18 @@ printf_unknown (FILE *s, const struct printf_info *info,
 static CHAR_T *
 internal_function
 group_number (CHAR_T *w, CHAR_T *rear_ptr, const char *grouping,
-	      wchar_t thousands_sep)
+#ifdef COMPILE_WPRINTF
+	      wchar_t thousands_sep
+#else
+	      const char *thousands_sep
+#endif
+	      )
 {
   int len;
   CHAR_T *src, *s;
+#ifndef COMPILE_WPRINTF
+  int tlen = strlen (thousands_sep);
+#endif
 
   /* We treat all negative values like CHAR_MAX.  */
 
@@ -1836,7 +1878,14 @@ group_number (CHAR_T *w, CHAR_T *rear_ptr, const char *grouping,
       if (--len == 0 && s >= src)
 	{
 	  /* A new group begins.  */
+#ifdef COMPILE_WPRINTF
 	  *w-- = thousands_sep;
+#else
+	  int cnt = tlen;
+	  do
+	    *w-- = thousands_sep[--cnt];
+	  while (cnt > 0);
+#endif
 
 	  len = *grouping++;
 	  if (*grouping == '\0')