* Makefile (subdirs): Replace stdio with stdio-common and $(stdio).

	* configure.in: Grok arg --enable-libio.
	($stdio = libio): Define USE_IN_LIBIO.
	* config.h.in (USE_IN_LIBIO): Add #undef.
	* config.make.in (stdio): New variable, set by configure.
	* Makeconfig (stdio): New variable.
	* stdio.h [USE_IN_LIBIO]: Include libio/stdio.h instead of
	stdio/stdio.h.
	* stdio-common/Makefile: New file.
	* stdio/Makefile: Half the contents moved to stdio-common/Makefile.
	* stdio/_itoa.c: Moved to stdio-common.
	* stdio/_itoa.h: Moved to stdio-common.
	* stdio/asprintf.c: Moved to stdio-common.
	* stdio/bug1.c: Moved to stdio-common.
	* stdio/bug1.input: Moved to stdio-common.
	* stdio/bug2.c: Moved to stdio-common.
	* stdio/bug3.c: Moved to stdio-common.
	* stdio/bug4.c: Moved to stdio-common.
	* stdio/bug5.c: Moved to stdio-common.
	* stdio/bug6.c: Moved to stdio-common.
	* stdio/bug6.input: Moved to stdio-common.
	* stdio/bug7.c: Moved to stdio-common.
	* stdio/dprintf.c: Moved to stdio-common.
	* stdio/errnobug.c: Moved to stdio-common.
	* stdio/getline.c: Moved to stdio-common.
	* stdio/getw.c: Moved to stdio-common.
	* stdio/perror.c: Moved to stdio-common.
	* stdio/printf-parse.h: Moved to stdio-common.
	* stdio/printf-prs.c: Moved to stdio-common.
	* stdio/printf.c: Moved to stdio-common.
	* stdio/printf.h: Moved to stdio-common.
	* stdio/printf_fp.c: Moved to stdio-common.
	* stdio/psignal.c: Moved to stdio-common.
	* stdio/putw.c: Moved to stdio-common.
	* stdio/reg-printf.c: Moved to stdio-common.
	* stdio/scanf.c: Moved to stdio-common.
	* stdio/snprintf.c: Moved to stdio-common.
	* stdio/sprintf.c: Moved to stdio-common.
	* stdio/sscanf.c: Moved to stdio-common.
	* stdio/tempnam.c: Moved to stdio-common.
	* stdio/temptest.c: Moved to stdio-common.
	* stdio/test-fseek.c: Moved to stdio-common.
	* stdio/test-fwrite.c: Moved to stdio-common.
	* stdio/test-popen.c: Moved to stdio-common.
	* stdio/test_rdwr.c: Moved to stdio-common.
	* stdio/tmpfile.c: Moved to stdio-common.
	* stdio/tmpnam.c: Moved to stdio-common.
	* stdio/tst-fileno.c: Moved to stdio-common.
	* stdio/tst-printf.c: Moved to stdio-common.
	* stdio/tstgetln.c: Moved to stdio-common.
	* stdio/tstgetln.input: Moved to stdio-common.
	* stdio/tstscanf.c: Moved to stdio-common.
	* stdio/tstscanf.input: Moved to stdio-common.
	* stdio/vfprintf.c: Moved to stdio-common.
	* stdio/vfscanf.c: Moved to stdio-common.
	* stdio/vprintf.c: Moved to stdio-common.
	* stdio/xbug.c: Moved to stdio-common.
	* sysdeps/generic/Makefile (siglist.c rules): Do this in subdir
	stdio-common instead of stdio.
	* sysdeps/unix/Makefile (errlist.c rules): Likewise.
	* stdio-common/asprintf.c [USE_IN_LIBIO]: Call libio primitive
	function.
	* stdio-common/dprintf.c: Likewise.
	* stdio-common/printf.c: Likewise.
	* stdio-common/scanf.c: Likewise.
	* stdio-common/snprintf.c: Likewise.
	* stdio-common/sprintf.c: Likewise.
	* stdio-common/sscanf.c: Likewise.
	* stdio-common/vprintf.c: Likewise.

	* Makerules: Include $(+depfiles) directly instead of generating
	depend-$(subdir).
	(depend-$(subdir)): Target removed.
	(common-clean): Don't remove depend-$(subdir).

56 files changed, 5918 insertions, 0 deletions

diff --git a/stdio-common/Makefile b/stdio-common/Makefile
new file mode 100644
index 0000000000..6ca6c7d1d3
--- /dev/null
+++ b/stdio-common/Makefile
@@ -0,0 +1,47 @@
+# Copyright (C) 1991, 1992, 1993, 1994, 1995 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 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., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+#
+#	Specific makefile for stdio-common.
+#
+subdir	:= stdio-common
+
+headers	:= stdio_lim.h printf.h
+
+routines	:=							      \
+	ctermid cuserid							      \
+	vfprintf vprintf printf_fp reg-printf printf-prs _itoa		      \
+	vsnprintf vsprintf vasprintf	      				      \
+	fprintf printf snprintf sprintf asprintf			      \
+	dprintf vdprintf						      \
+	vfscanf vscanf vsscanf						      \
+	fscanf scanf sscanf						      \
+	perror psignal							      \
+	tmpfile tmpnam tempnam tempname					      \
+	getline getw putw						      \
+	remove rename
+aux	:= errlist siglist
+distribute := _itoa.h printf-parse.h
+
+tests := tst-printf tstscanf test_rdwr test-popen tstgetln test-fseek \
+	 temptest tst-fileno test-fwrite \
+	 xbug errnobug \
+	 bug1 bug2 bug3 bug4 bug5 bug6 bug7
+
+
+include ../Rules
diff --git a/stdio-common/_itoa.c b/stdio-common/_itoa.c
new file mode 100644
index 0000000000..caa8179624
--- /dev/null
+++ b/stdio-common/_itoa.c
@@ -0,0 +1,418 @@
+/* Internal function for converting integers to ASCII.
+Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Torbjorn Granlund <tege@matematik.su.se>
+and Ulrich Drepper <drepper@gnu.ai.mit.edu>.
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <gmp-mparam.h>
+#include "../stdlib/gmp.h"
+#include "../stdlib/gmp-impl.h"
+#include "../stdlib/longlong.h"
+
+#include "_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 1
+#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 base_multiplier;
+#endif
+  char flag;
+  char post_shift;
+#if BITS_PER_MP_LIMB == 32
+  struct
+    {
+      char normalization_steps;
+      char ndigits;
+      mp_limb base PACK;
+#if UDIV_TIME > 2 * UMUL_TIME
+      mp_limb base_ninv PACK;
+#endif
+    } big;
+#endif
+};
+
+/* To reduce the memory needed we include some fields of the tables
+   only confitionally.  */
+#if BITS_PER_MP_LIMB == 32
+# if UDIV_TIME > 2 * UMUL_TIME
+#  define SEL1(X) X,
+#  define SEL2(X) ,X
+# else
+#  define SEL1(X)
+#  define SEL2(X)
+# endif
+#endif
+
+
+/* Local variables.  */
+static const struct base_table_t base_table[] =
+{
+#if BITS_PER_MP_LIMB == 64
+  /*  2 */ {0ul, 1, 1},
+  /*  3 */ {0xaaaaaaaaaaaaaaabul, 0, 1},
+  /*  4 */ {0ul, 1, 2},
+  /*  5 */ {0xcccccccccccccccdul, 0, 2},
+  /*  6 */ {0xaaaaaaaaaaaaaaabul, 0, 2},
+  /*  7 */ {0x2492492492492493ul, 1, 3},
+  /*  8 */ {0ul, 1, 3},
+  /*  9 */ {0xe38e38e38e38e38ful, 0, 3},
+  /* 10 */ {0xcccccccccccccccdul, 0, 3},
+  /* 11 */ {0x2e8ba2e8ba2e8ba3ul, 0, 1},
+  /* 12 */ {0xaaaaaaaaaaaaaaabul, 0, 3},
+  /* 13 */ {0x4ec4ec4ec4ec4ec5ul, 0, 2},
+  /* 14 */ {0x2492492492492493ul, 1, 4},
+  /* 15 */ {0x8888888888888889ul, 0, 3},
+  /* 16 */ {0ul, 1, 4},
+  /* 17 */ {0xf0f0f0f0f0f0f0f1ul, 0, 4},
+  /* 18 */ {0xe38e38e38e38e38ful, 0, 4},
+  /* 19 */ {0xd79435e50d79435ful, 0, 4},
+  /* 20 */ {0xcccccccccccccccdul, 0, 4},
+  /* 21 */ {0x8618618618618619ul, 1, 5},
+  /* 22 */ {0x2e8ba2e8ba2e8ba3ul, 0, 2},
+  /* 23 */ {0x642c8590b21642c9ul, 1, 5},
+  /* 24 */ {0xaaaaaaaaaaaaaaabul, 0, 4},
+  /* 25 */ {0x47ae147ae147ae15ul, 1, 5},
+  /* 26 */ {0x4ec4ec4ec4ec4ec5ul, 0, 3},
+  /* 27 */ {0x97b425ed097b425ful, 0, 4},
+  /* 28 */ {0x2492492492492493ul, 1, 5},
+  /* 29 */ {0x1a7b9611a7b9611bul, 1, 5},
+  /* 30 */ {0x8888888888888889ul, 0, 4},
+  /* 31 */ {0x0842108421084211ul, 1, 5},
+  /* 32 */ {0ul, 1, 5},
+  /* 33 */ {0x0f83e0f83e0f83e1ul, 0, 1},
+  /* 34 */ {0xf0f0f0f0f0f0f0f1ul, 0, 5},
+  /* 35 */ {0xea0ea0ea0ea0ea0ful, 0, 5},
+  /* 36 */ {0xe38e38e38e38e38ful, 0, 5}
+#endif
+#if BITS_PER_MP_LIMB == 32
+  /*  2 */ {SEL1(0ul) 1, 1, {0, 31, 0x80000000ul SEL2(0xfffffffful)}},
+  /*  3 */ {SEL1(0xaaaaaaabul) 0, 1, {0, 20, 0xcfd41b91ul SEL2(0x3b563c24ul)}},
+  /*  4 */ {SEL1(0ul) 1, 2, {1, 15, 0x40000000ul SEL2(0xfffffffful)}},
+  /*  5 */ {SEL1(0xcccccccdul) 0, 2, {1, 13, 0x48c27395ul SEL2(0xc25c2684ul)}},
+  /*  6 */ {SEL1(0xaaaaaaabul) 0, 2, {0, 12, 0x81bf1000ul SEL2(0xf91bd1b6ul)}},
+  /*  7 */ {SEL1(0x24924925ul) 1, 3, {1, 11, 0x75db9c97ul SEL2(0x1607a2cbul)}},
+  /*  8 */ {SEL1(0ul) 1, 3, {1, 10, 0x40000000ul SEL2(0xfffffffful)}},
+  /*  9 */ {SEL1(0x38e38e39ul) 0, 1, {0, 10, 0xcfd41b91ul SEL2(0x3b563c24ul)}},
+  /* 10 */ {SEL1(0xcccccccdul) 0, 3, {2, 9, 0x3b9aca00ul SEL2(0x12e0be82ul)}},
+  /* 11 */ {SEL1(0xba2e8ba3ul) 0, 3, {0, 9, 0x8c8b6d2bul SEL2(0xd24cde04ul)}},
+  /* 12 */ {SEL1(0xaaaaaaabul) 0, 3, {3, 8, 0x19a10000ul SEL2(0x3fa39ab5ul)}},
+  /* 13 */ {SEL1(0x4ec4ec4ful) 0, 2, {2, 8, 0x309f1021ul SEL2(0x50f8ac5ful)}},
+  /* 14 */ {SEL1(0x24924925ul) 1, 4, {1, 8, 0x57f6c100ul SEL2(0x74843b1eul)}},
+  /* 15 */ {SEL1(0x88888889ul) 0, 3, {0, 8, 0x98c29b81ul SEL2(0xad0326c2ul)}},
+  /* 16 */ {SEL1(0ul) 1, 4, {3, 7, 0x10000000ul SEL2(0xfffffffful)}},
+  /* 17 */ {SEL1(0xf0f0f0f1ul) 0, 4, {3, 7, 0x18754571ul SEL2(0x4ef0b6bdul)}},
+  /* 18 */ {SEL1(0x38e38e39ul) 0, 2, {2, 7, 0x247dbc80ul SEL2(0xc0fc48a1ul)}},
+  /* 19 */ {SEL1(0xaf286bcbul) 1, 5, {2, 7, 0x3547667bul SEL2(0x33838942ul)}},
+  /* 20 */ {SEL1(0xcccccccdul) 0, 4, {1, 7, 0x4c4b4000ul SEL2(0xad7f29abul)}},
+  /* 21 */ {SEL1(0x86186187ul) 1, 5, {1, 7, 0x6b5a6e1dul SEL2(0x313c3d15ul)}},
+  /* 22 */ {SEL1(0xba2e8ba3ul) 0, 4, {0, 7, 0x94ace180ul SEL2(0xb8cca9e0ul)}},
+  /* 23 */ {SEL1(0xb21642c9ul) 0, 4, {0, 7, 0xcaf18367ul SEL2(0x42ed6de9ul)}},
+  /* 24 */ {SEL1(0xaaaaaaabul) 0, 4, {4, 6, 0x0b640000ul SEL2(0x67980e0bul)}},
+  /* 25 */ {SEL1(0x51eb851ful) 0, 3, {4, 6, 0x0e8d4a51ul SEL2(0x19799812ul)}},
+  /* 26 */ {SEL1(0x4ec4ec4ful) 0, 3, {3, 6, 0x1269ae40ul SEL2(0xbce85396ul)}},
+  /* 27 */ {SEL1(0x2f684bdbul) 1, 5, {3, 6, 0x17179149ul SEL2(0x62c103a9ul)}},
+  /* 28 */ {SEL1(0x24924925ul) 1, 5, {3, 6, 0x1cb91000ul SEL2(0x1d353d43ul)}},
+  /* 29 */ {SEL1(0x8d3dcb09ul) 0, 4, {2, 6, 0x23744899ul SEL2(0xce1deceaul)}},
+  /* 30 */ {SEL1(0x88888889ul) 0, 4, {2, 6, 0x2b73a840ul SEL2(0x790fc511ul)}},
+  /* 31 */ {SEL1(0x08421085ul) 1, 5, {2, 6, 0x34e63b41ul SEL2(0x35b865a0ul)}},
+  /* 32 */ {SEL1(0ul) 1, 5, {1, 6, 0x40000000ul SEL2(0xfffffffful)}},
+  /* 33 */ {SEL1(0x3e0f83e1ul) 0, 3, {1, 6, 0x4cfa3cc1ul SEL2(0xa9aed1b3ul)}},
+  /* 34 */ {SEL1(0xf0f0f0f1ul) 0, 5, {1, 6, 0x5c13d840ul SEL2(0x63dfc229ul)}},
+  /* 35 */ {SEL1(0xd41d41d5ul) 1, 6, {1, 6, 0x6d91b519ul SEL2(0x2b0fee30ul)}},
+  /* 36 */ {SEL1(0x38e38e39ul) 0, 3, {0, 6, 0x81bf1000ul SEL2(0xf91bd1b6ul)}}
+#endif
+};
+
+/* Lower-case digits.  */
+static const char _itoa_lower_digits[]
+	= "0123456789abcdefghijklmnopqrstuvwxyz";
+/* Upper-case digits.  *