Update.

1998-04-20 18:00  Ulrich Drepper  <drepper@cygnus.com>

	* libc.map: Add __dgettext to GLIBC_2.0 and __libc_longjmp, and
	__libc_siglongjmp to GLIBC_2.1.

	* elf/dl-minimal.c (__assert_perror_fail): Don't use strerror, use
	__strerror_r.

	* iconv/Makefile: Don't run tests now.

	* iconv/iconv_prog.c (process_block): If loop is repeated, call iconv
	with correct output buffer.

	Major rewrite of the low-level gconv functionality.
	* iconv/gconv.c: Rewritten.
	* iconv/gconv.h: Likewise.
	* iconv/gconv_builtin.c: Likewise.
	* iconv/gconv_builtin.h: Likewise.
	* iconv/gconv_conf.c: Likewise.
	* iconv/gconv_int.h: Likewise.
	* iconv/gconv_open.c: Likewise.
	* iconv/gconv_simple.c: Likewise.
	* iconv/iconv.c: Likewise.
	* iconvdata/8bit-gap.c: Likewise.
	* iconvdata/8bit-generic.c: Likewise.
	* iconvdata/Makefile: Likewise.
	* iconvdata/big5.c: Likewise.
	* iconvdata/cns11643.c: Likewise.
	* iconvdata/cns11643.h: Likewise.
	* iconvdata/cns11643l1.c: Likewise.
	* iconvdata/cns11643l1.h: Likewise.
	* iconvdata/ebcdic-at-de-a.c: Likewise.
	* iconvdata/ebcdic-at-de.c: Likewise.
	* iconvdata/ebcdic-ca-fr.c: Likewise.
	* iconvdata/euccn.c: Likewise.
	* iconvdata/eucjp.c: Likewise.
	* iconvdata/euckr.c: Likewise.
	* iconvdata/euctw.c: Likewise.
	* iconvdata/gb2312.c: Likewise.
	* iconvdata/gb2312.h: Likewise.
	* iconvdata/hp-roman8.c: Likewise.
	* iconvdata/iso646.c: Likewise.
	* iconvdata/iso6937.c: Likewise.
	* iconvdata/iso8859-1.c: Likewise.
	* iconvdata/iso8859-10.c: Likewise.
	* iconvdata/iso8859-2.c: Likewise.
	* iconvdata/iso8859-3.c: Likewise.
	* iconvdata/iso8859-4.c: Likewise.
	* iconvdata/iso8859-5.c: Likewise.
	* iconvdata/iso8859-6.c: Likewise.
	* iconvdata/iso8859-7.c: Likewise.
	* iconvdata/iso8859-8.c: Likewise.
	* iconvdata/iso8859-9.c: Likewise.
	* iconvdata/jis0201.c: Likewise.
	* iconvdata/jis0201.h: Likewise.
	* iconvdata/jis0208.c: Likewise.
	* iconvdata/jis0208.h: Likewise.
	* iconvdata/jis0212.c: Likewise.
	* iconvdata/jis0212.h: Likewise.
	* iconvdata/johab.c: Likewise.
	* iconvdata/koi-8.c: Likewise.
	* iconvdata/koi8-r.c: Likewise.
	* iconvdata/ksc5601.c: Likewise.
	* iconvdata/ksc5601.h: Likewise.
	* iconvdata/latin-greek-1.c: Likewise.
	* iconvdata/latin-greek.c: Likewise.
	* iconvdata/run-iconv-test.sh: Likewise.
	* iconvdata/sjis.c: Likewise.
	* iconvdata/t61.c: Likewise.
	* iconvdata/uhc.c: Likewise.
	* wcsmbs/btowc.c: Likewise.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsmbsload.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.
	* iconv/loop.c: New file.
	* iconv/skeleton.c: New file.

	* stdlib/mblen.c: Handle empty input string correctly.
	* stdlib/mbtowc.c: Likewise.

	* posix/getopt.c: Various cleanups.

	* sysdeps/arm/bits/setjmp.h: Add copyright text.
	* sysdeps/i386/bits/setjmp.h: Likewise.
	* sysdeps/m68k/bits/setjmp.h: Likewise.
	* sysdeps/powerpc/bits/setjmp.h: Likewise.
	* sysdeps/sparc/sparc32/bits/setjmp.h: Likewise.

	* sysdeps/generic/longjmp.c: Rename function to __libc_siglongjmp
	and make longjmp weak alias.

1998-04-18 20:29  Philip Blundell  <Philip.Blundell@pobox.com>

	* iconv/Makefile (routines): Only include gconv_dl if building for
	an ELF system - dynamic linking is not available on a.out.
	(CFLAGS-gconv_conf.c): Define STATIC_GCONV if omitting gconv_dl
	due to above check.
	* iconv/gconv_db.c: If STATIC_GCONV defined, don't try to call
	routines from gconv_dl.

1998-04-17  Gordon Matzigkeit  <gord@profitpress.com>

	* csu/init.c (_IO_stdin_used): Protect with USE_IN_LIBIO so that
	we can compile without libio.

1998-04-20 16:28  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/Subdirs: Remove login.

1998-04-11  Gordon Matzigkeit  <gord@profitpress.com>

	* db2/compat.h: Include <errno.h>, to make sure we get the
	definition of EFTYPE before we define it ourselves.

1998-04-10  Gordon Matzigkeit  <gord@profitpress.com>

	* sysdeps/generic/bits/socket.h: Protect against multiple inclusion.
	* sysdeps/mach/hurd/bits/ioctls.h: Likewise.
	Fix typo to allow inclusion from sys/ioctl.h again.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* iconvdata/*.[ch]: Clean up namespace.  Optimize character lookup.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libc.map: Export __strerror_r.  Remove _strerror_internal.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/strcasestr.c: Undefine strcasestr, not strstr.
	Also undefine __strcasestr.

1998-04-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* posix/regex.c: Rename __re_max_failures back to re_max_failures,
	aliases do not work with global variables due to copy relocations.

1998-04-20 15:12  Ulrich Drepper  <drepper@cygnus.com>

	* manual/creature.texi: Fix type.  Patch by Andreas Schwab.

1998-04-20 13:47  Ulrich Drepper  <drepper@cygnus.com>

	* signal/sighold.c: Include stddef.h for NULL definition.
	* signal/sigrelse.c: Likewise.
	* sysdeps/posix/sigignore.c: Likewise.
	* sysdeps/posix/sigset.c: Likewise.
	* sysdeps/posix/waitid.c: Likewise.
	* sysdeps/unix/sysv/linux/rt_sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/rt_sigtimedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Include stdlib.h for MB_CUR_MAX.
	Patch by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>.

1998-04-13  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/Makefile (headers): Remove utmpx.h and bits/utmpx.h.
	* login/getutent.c (getutxent): Remove alias.
	* login/getutent_r.c (setutxent, pututxline, endutxent):
	Remove aliases.
	* login/getutid.c (getutxid): Remove alias.
	* login/getutline.c (getutxline): Remove alias.
	* login/utmp.h: Add prototypes for __updwtmp, __getutent,
	__getutid, __getutline and __pututline.
	* login/utmpx.h: Moved to ...
	* sysdeps/gnu/utmpx.h: ... here.  [__USE_GNU]: Define UTMPX_FILE,
	UTMPX_FILENAME, WTMPX_FILE and WTMPX_FILENAME, declare utmpxname
	and updwtmpx.
	* login/updwtmp.c: Moved to ...
	* sysdeps/generic/updwtmp.c: ... here.  (updwtmp): Generalized by
	allowing file name transformation.
	* sysdeps/gnu/updwtmp.c: New file.  Use generic implementation with
	additional file name transformation.
	* sysdeps/unix/sysv/linux/updwtmp.c: Likewise.
	* login/utmp_file.c: Moved to ...
	* sysdeps/generic/utmp_file.c: ... here.  (setutent_file):
	Generalized by allowing file name transformation.  Do not
	print error message.  Library functions should not print them.
	Reported by Jim Meyering.
	* sysdeps/gnu/utmp_file.c: New file.  Use generic implementation
	with additional file name transformation.
	* sysdeps/unix/sysv/linux/utmp_file.c: Likewise.
	* sysdeps/gnu/Makefile [$(subdir)=login] (sysdep_routines): Add
	setutxent, getutxent, endutxent, getutxid, getutxid, getutxline,
	pututxline, utmpxname and updwtmpx.  (sysdep_headers): Add utmpx.h
	and bits/utmpx.h.
	* sysdeps/gnu/bits/utmpx.h [__USE_GNU] Include paths.h.
	(_PATH_UTMPX): Define to _PATH_UTMP.  (_PATH_WTMPX): Define to
	_PATH_WTMPX.  (RUN_LVL): Define only if __USE_GNU.  (ACCOUNTING):
	Define if __USE_GNU.
	* sysdeps/gnu/setutxent.c: New file.
	* sysdeps/gnu/getutxent.c: New file.
	* sysdeps/gnu/endutxent.c: New file.
	* sysdeps/gnu/getutxid.c: New file.
	* sysdeps/gnu/getutxline.c: New file.
	* sysdeps/gnu/pututxline.c: New file.
	* sysdeps/gnu/utmpxname.c: New file.
	* sysdeps/gnu/updwtmpx.c: New file.
	* sysdeps/unix/sysv/linux/paths.h (_PATH_UTMP_DB): Remove.
	* sysdeps/generic/bits/utmpx.h: Remove.

1998-04-20  Ulrich Drepper  <drepper@cygnus.com>

	* posix/wordexp-test.c (main): Initialize ifs element of ts for
	~root test.

1998-04-17 07:53  H.J. Lu  <hjl@gnu.org>

	* sysdeps/unix/sysv/linux/i386/s_pread64.S: Fix a typo.

1998-04-17 11:32  Ulrich Drepper  <drepper@cygnus.com>

	* libio/oldfileops.c (_IO_old_file_seekoff): Define temporary st
	variable using _G_stat64.
	* libio/fileops.c: Remove macro definition of fstat, it is in the
	global header.
	Reported by Thorsten Kukuk <kukuk@weber.uni-paderborn.de>.

1998-04-17  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/arm/strlen.S: New file, based on code by Matthew Wilcox
	<willy@odie.barnet.ac.uk>.

1998-04-16  Philip Blundell  <Philip.Blundell@pobox.com>

	* inet/netinet/in.h (IN6_IS_ADDR_MC_NODELOCAL): New macro,
	required by IPv6 Basic API.
	(IN6_IS_ADDR_MC_LINKLOCAL): Likewise.
	(IN6_IS_ADDR_MC_SITELOCAL): Likewise.
	(IN6_IS_ADDR_MC_ORGLOCAL): Likewise.
	(IN6_IS_ADDR_MC_GLOBAL): Likewise.

9 files changed, 73 insertions, 114 deletions

diff --git a/wcsmbs/btowc.c b/wcsmbs/btowc.c
index 7efe62e5f1..b40a98f65b 100644
--- a/wcsmbs/btowc.c
+++ b/wcsmbs/btowc.c
@@ -31,7 +31,7 @@ __btowc (c)
   char buf[sizeof (wchar_t)];
   struct gconv_step_data data;
   char inbuf[1];
-  size_t inbytes;
+  char *inptr = inbuf;
   size_t converted;
   int status;
 
@@ -42,8 +42,7 @@ __btowc (c)
 
   /* Tell where we want the result.  */
   data.outbuf = (char *) buf;
-  data.outbufavail = 0;
-  data.outbufsize = sizeof (wchar_t);
+  data.outbufend = data.outbuf + sizeof (wchar_t);
   data.is_last = 1;
   data.statep = &data.__state;
 
@@ -55,10 +54,9 @@ __btowc (c)
 
   /* Create the input string.  */
   inbuf[0] = c;
-  inbytes = 1;
 
   status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
-					     &data, inbuf, &inbytes,
+					     &data, &inptr, inptr + 1,
 					     &converted, 0);
   /* The conversion failed.  */
   if (status != GCONV_OK && status != GCONV_FULL_OUTPUT
diff --git a/wcsmbs/mbrtowc.c b/wcsmbs/mbrtowc.c
index 14ca0b0975..1dcaf968ea 100644
--- a/wcsmbs/mbrtowc.c
+++ b/wcsmbs/mbrtowc.c
@@ -36,14 +36,15 @@ __mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
 {
   wchar_t buf[1];
   struct gconv_step_data data;
-  size_t inbytes;
   int status;
   size_t result;
+  size_t dummy;
+  const char *inbuf;
+  char *outbuf = (char *) (pwc ?: buf);
 
   /* Tell where we want the result.  */
-  data.outbuf = (char *) (pwc ?: buf);
-  data.outbufavail = 0;
-  data.outbufsize = sizeof (wchar_t);
+  data.outbuf = outbuf;
+  data.outbufend = outbuf + sizeof (wchar_t);
   data.is_last = 1;
   data.statep = ps ?: &state;
 
@@ -60,9 +61,10 @@ __mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
   update_conversion_ptrs ();
 
   /* Do a normal conversion.  */
-  inbytes = n;
+  inbuf = s;
   status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
-					     &data, s, &inbytes, NULL, 0);
+					     &data, &inbuf, inbuf + n,
+					     &dummy, 0);
 
   /* There must not be any problems with the conversion but illegal input
      characters.  The output buffer must be large enough, otherwise the
@@ -76,14 +78,14 @@ __mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
   if (status == GCONV_OK || status == GCONV_EMPTY_INPUT
       || status == GCONV_FULL_OUTPUT)
     {
-      if (data.outbufavail > 0 && *(wchar_t *)data.outbuf == L'\0')
+      if (data.outbuf != outbuf && *(wchar_t *)data.outbuf == L'\0')
 	{
 	  /* The converted character is the NUL character.  */
 	  assert (__mbsinit (data.statep));
 	  result = 0;
 	}
       else
-	result = n - inbytes;
+	result = inbuf - s;
     }
   else
     {
diff --git a/wcsmbs/mbsnrtowcs.c b/wcsmbs/mbsnrtowcs.c
index d408b39430..46a718b3f5 100644
--- a/wcsmbs/mbsnrtowcs.c
+++ b/wcsmbs/mbsnrtowcs.c
@@ -44,7 +44,7 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
      size_t len;
      mbstate_t *ps;
 {
-  size_t inbytes_in;
+  const char *srcend;
   struct gconv_step_data data;
   size_t result = 0;
   int status;
@@ -55,7 +55,7 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
 
   if (nmc == 0)
     return 0;
-  inbytes_in = __strnlen (*src, nmc - 1) + 1;
+  srcend = *src + __strnlen (*src, nmc - 1) + 1;
 
   /* Make sure we use the correct function.  */
   update_conversion_ptrs ();
@@ -64,21 +64,15 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
   if (dst == NULL)
     {
       wchar_t buf[64];		/* Just an arbitrary size.  */
-      size_t inbytes = inbytes_in;
       const char *inbuf = *src;
       size_t written;
 
       data.outbuf = (char *) buf;
-      data.outbufsize = sizeof (buf);
+      data.outbufend = data.outbuf + sizeof (buf);
       do
 	{
-	  inbuf += inbytes_in - inbytes;
-	  inbytes_in = inbytes;
-	  data.outbufavail = 0;
-	  written = 0;
-
 	  status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
-						     &data, inbuf, &inbytes,
+						     &data, &inbuf, srcend,
 						     &written, 0);
 	  result += written;
 	}
@@ -94,14 +88,11 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
       /* This code is based on the safe assumption that all internal
 	 multi-byte encodings use the NUL byte only to mark the end
 	 of the string.  */
-      size_t inbytes = inbytes_in;
-
       data.outbuf = (char *) dst;
-      data.outbufsize = len * sizeof (wchar_t);
-      data.outbufavail = 0;
+      data.outbufend = data.outbuf + len * sizeof (wchar_t);
 
       status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
-						 &data, *src, &inbytes,
+						 &data, src, srcend,
 						 &result, 0);
 
       /* We have to determine whether the last character converted
@@ -114,8 +105,6 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
 	  *src = NULL;
 	  --result;
 	}
-      else
-	*src += inbytes_in - inbytes;
     }
 
   /* There must not be any problems with the conversion but illegal input
diff --git a/wcsmbs/mbsrtowcs.c b/wcsmbs/mbsrtowcs.c
index 8f9efb3285..9172fd9ede 100644
--- a/wcsmbs/mbsrtowcs.c
+++ b/wcsmbs/mbsrtowcs.c
@@ -19,6 +19,7 @@
 
 #include <errno.h>
 #include <gconv.h>
+#include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
 #include <wcsmbsload.h>
@@ -55,22 +56,16 @@ __mbsrtowcs (dst, src, len, ps)
   if (dst == NULL)
     {
       wchar_t buf[64];		/* Just an arbitrary size.  */
-      size_t inbytes_in = strlen (*src) + 1;
-      size_t inbytes = inbytes_in;
+      const char *srcend = *src + strlen (*src) + 1;
       const char *inbuf = *src;
       size_t written;
 
       data.outbuf = (char *) buf;
-      data.outbufsize = sizeof (buf);
+      data.outbufend = data.outbuf + sizeof (buf);
       do
 	{
-	  inbuf += inbytes_in - inbytes;
-	  inbytes_in = inbytes;
-	  data.outbufavail = 0;
-	  written = 0;
-
 	  status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
-						     &data, inbuf, &inbytes,
+						     &data, &inbuf, srcend,
 						     &written, 0);
 	  result += written;
 	}
@@ -86,15 +81,13 @@ __mbsrtowcs (dst, src, len, ps)
       /* This code is based on the safe assumption that all internal
 	 multi-byte encodings use the NUL byte only to mark the end
 	 of the string.  */
-      size_t inbytes_in = __strnlen (*src, len * MB_CUR_MAX) + 1;
-      size_t inbytes = inbytes_in;
+      const char *srcend = *src + __strnlen (*src, len * MB_CUR_MAX) + 1;
 
       data.outbuf = (char *) dst;
-      data.outbufsize = len * sizeof (wchar_t);
-      data.outbufavail = 0;
+      data.outbufend = data.outbuf + len * sizeof (wchar_t);
 
       status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
-						 &data, *src, &inbytes,
+						 &data, src, srcend,
 						 &result, 0);
 
       /* We have to determine whether the last character converted
@@ -107,8 +100,6 @@ __mbsrtowcs (dst, src, len, ps)
 	  *src = NULL;
 	  --result;
 	}
-      else
-	*src += inbytes_in - inbytes;
     }
 
   /* There must not be any problems with the conversion but illegal input
diff --git a/wcsmbs/wcrtomb.c b/wcsmbs/wcrtomb.c
index dcc2ef67cd..6fd33e06b3 100644
--- a/wcsmbs/wcrtomb.c
+++ b/wcsmbs/wcrtomb.c
@@ -40,11 +40,11 @@ __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
   struct gconv_step_data data;
   int status;
   size_t result;
+  size_t dummy;
 
   /* Tell where we want the result.  */
   data.outbuf = s;
-  data.outbufavail = 0;
-  data.outbufsize = MB_CUR_MAX;
+  data.outbufend = s + MB_CUR_MAX;
   data.is_last = 1;
   data.statep = ps ?: &state;
 
@@ -64,23 +64,21 @@ __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
      by a NUL byte.  */
   if (wc == L'\0')
     {
-      size_t inbytes = 0;
-
       status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
-						 &data, NULL, &inbytes,
-						 NULL, 1);
+						 &data, NULL, NULL, &dummy, 1);
 
       if (status == GCONV_OK || status == GCONV_EMPTY_INPUT)
-	data.outbuf[data.outbufavail++] = '\0';
+	*data.outbuf++ = '\0';
     }
   else
     {
       /* Do a normal conversion.  */
-      size_t inbytes = sizeof (wchar_t);
+      const char *inbuf = (const char *) &wc;
 
       status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
-						 &data, (char *) &wc, &inbytes,
-						 NULL, 0);
+						 &data, &inbuf,
+						 inbuf + sizeof (wchar_t),
+						 &dummy, 0);
     }
 
   /* There must not be any problems with the conversion but illegal input
@@ -94,7 +92,7 @@ __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
 
   if (status == GCONV_OK || status == GCONV_EMPTY_INPUT
       || status == GCONV_FULL_OUTPUT)
-    result = data.outbufavail;
+    result = data.outbuf - s;
   else
     {
       result = (size_t) -1;
diff --git a/wcsmbs/wcsmbsload.c b/wcsmbs/wcsmbsload.c
index c7e5651fe6..f4babc4eb3 100644
--- a/wcsmbs/wcsmbsload.c
+++ b/wcsmbs/wcsmbsload.c
@@ -37,8 +37,8 @@ static struct gconv_step to_wc =
   shlib_handle: NULL,
   modname: NULL,
   counter: INT_MAX,
-  from_name: "ANSI_X3.4-1968",
-  to_name: "#INTERNAL#",
+  from_name: "ANSI_X3.4-1968//",
+  to_name: "INTERNAL",
   fct: __gconv_transform_ascii_internal,
   init_fct: NULL,
   end_fct: NULL,
@@ -50,8 +50,8 @@ static struct gconv_step to_mb =
   shlib_handle: NULL,
   modname: NULL,
   counter: INT_MAX,
-  from_name: "#INTERNAL#",
-  to_name: "ANSI_X3.4-1968",
+  from_name: "INTERNAL",
+  to_name: "ANSI_X3.4-1968//",
   fct: __gconv_transform_internal_ascii,
   init_fct: NULL,
   end_fct: NULL,
@@ -113,8 +113,8 @@ __wcsmbs_load_conv (const struct locale_data *new_category)
 	  /* Get name of charset of the locale.  */
 	  charset_name = new_category->values[_NL_ITEM_INDEX(CODESET)].string;
 
-	  __wcsmbs_gconv_fcts.tomb = getfct (charset_name, "#INTERNAL#");
-	  __wcsmbs_gconv_fcts.towc = getfct ("#INTERNAL#", charset_name);
+	  __wcsmbs_gconv_fcts.tomb = getfct (charset_name, "INTERNAL");
+	  __wcsmbs_gconv_fcts.towc = getfct ("INTERNAL", charset_name);
 
 	  /* If any of the conversion functions is not available we don't
 	     use any since this would mean we cannot convert back and
diff --git a/wcsmbs/wcsnrtombs.c b/wcsmbs/wcsnrtombs.c
index 0daf0e3077..4b6232a182 100644
--- a/wcsmbs/wcsnrtombs.c
+++ b/wcsmbs/wcsnrtombs.c
@@ -44,7 +44,7 @@ __wcsnrtombs (dst, src, nwc, len, ps)
      mbstate_t *ps;
 {
   struct gconv_step_data data;
-  size_t inbytes_in;
+  const wchar_t *srcend;
   int status;
   size_t result;
 
@@ -54,7 +54,7 @@ __wcsnrtombs (dst, src, nwc, len, ps)
 
   if (nwc == 0)
     return 0;
-  inbytes_in = (__wcsnlen (*src, nwc - 1) + 1) * sizeof (wchar_t);
+  srcend = *src + __wcsnlen (*src, nwc - 1) + 1;
 
   /* Make sure we use the correct function.  */
   update_conversion_ptrs ();
@@ -63,30 +63,25 @@ __wcsnrtombs (dst, src, nwc, len, ps)
   if (dst == NULL)
     {
       char buf[256];		/* Just an arbitrary value.  */
-      size_t inbytes = inbytes_in;
       const wchar_t *inbuf = *src;
       size_t written;
 
       data.outbuf = buf;
-      data.outbufsize = sizeof (buf);
+      data.outbufend = buf + sizeof (buf);
 
       do
 	{
-	  inbuf += (inbytes_in - inbytes) / sizeof (wchar_t);
-	  inbytes_in = inbytes;
-	  data.outbufavail = 0;
-	  written = 0;
-
 	  status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
 						     &data,
-						     (const char *) inbuf,
-						     &inbytes, &written, 0);
+						     (const char **) &inbuf,
+						     (const char *) srcend,
+						     &written, 0);
 	  result += written;
 	}
       while (status == GCONV_FULL_OUTPUT);
 
       if ((status == GCONV_OK || status == GCONV_EMPTY_INPUT)
-	  && buf[data.outbufavail - 1] == '\0')
+	  && data.outbuf[-1] == '\0')
 	/* Don't count the NUL character in.  */
 	--result;
     }
@@ -95,28 +90,24 @@ __wcsnrtombs (dst, src, nwc, len, ps)
       /* This code is based on the safe assumption that all internal
 	 multi-byte encodings use the NUL byte only to mark the end
 	 of the string.  */
-      size_t inbytes = inbytes_in;
-
       data.outbuf = dst;
-      data.outbufavail = 0;
-      data.outbufsize = len;
+      data.outbufend = dst + len;
 
       status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
-						 &data, (const char *) *src,
-						 &inbytes, &result, 0);
+						 &data, (const char **) src,
+						 (const char *) srcend,
+						 &result, 0);
 
       /* We have to determine whether the last character converted
 	 is the NUL character.  */
       if ((status == GCONV_OK || status == GCONV_EMPTY_INPUT)
-	  && dst[data.outbufavail - 1] == '\0')
+	  && data.outbuf[-1] == '\0')
 	{
-	  assert (data.outbufavail > 0);
+	  assert (data.outbuf != dst);
 	  assert (__mbsinit (data.statep));
 	  *src = NULL;
 	  --result;
 	}
-      else
-	*src += result;
     }
 
   /* There must not be any problems with the conversion but illegal input
diff --git a/wcsmbs/wcsrtombs.c b/wcsmbs/wcsrtombs.c
index 7b59fc725a..428ef3d4dd 100644
--- a/wcsmbs/wcsrtombs.c
+++ b/wcsmbs/wcsrtombs.c
@@ -55,31 +55,26 @@ __wcsrtombs (dst, src, len, ps)
   if (dst == NULL)
     {
       char buf[256];		/* Just an arbitrary value.  */
-      size_t inbytes_in = (__wcslen (*src) + 1) * sizeof (wchar_t);
-      size_t inbytes = inbytes_in;
+      const wchar_t *srcend = *src + __wcslen (*src) + 1;
       const wchar_t *inbuf = *src;
       size_t written;
 
       data.outbuf = buf;
-      data.outbufsize = sizeof (buf);
+      data.outbufend = buf + sizeof (buf);
 
       do
 	{
-	  inbuf += (inbytes_in - inbytes) / sizeof (wchar_t);
-	  inbytes_in = inbytes;
-	  data.outbufavail = 0;
-	  written = 0;
-
 	  status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
 						     &data,
-						     (const char *) inbuf,
-						     &inbytes, &written, 0);
+						     (const char **) &inbuf,
+						     (const char *) srcend,
+						     &written, 0);
 	  result += written;
 	}
       while (status == GCONV_FULL_OUTPUT);
 
       if ((status == GCONV_OK || status == GCONV_EMPTY_INPUT)
-	  && buf[data.outbufavail - 1] == '\0')
+	  && data.outbuf[-1] == '\0')
 	/* Don't count the NUL character in.  */
 	--result;
     }
@@ -88,31 +83,27 @@ __wcsrtombs (dst, src, len, ps)
       /* This code is based on the safe assumption that all internal
 	 multi-byte encodings use the NUL byte only to mark the end
 	 of the string.  */
-      size_t inbytes_in = ((__wcsnlen (*src, len * MB_CUR_MAX) + 1)
-			   * sizeof (wchar_t));
-      size_t inbytes = inbytes_in;
+      const wchar_t *srcend = *src + __wcsnlen (*src, len * MB_CUR_MAX) + 1;
 
       data.outbuf = dst;
-      data.outbufavail = 0;
-      data.outbufsize = len;
+      data.outbufend = dst + len;
 
       status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
-						 &data, (const char *) *src,
-						 &inbytes, &result, 0);
+						 &data, (const char **) src,
+						 (const char *) srcend,
+						 &result, 0);
 
       /* We have to determine whether the last character converted
 	 is the NUL character.  */
       if ((status == GCONV_OK || status == GCONV_EMPTY_INPUT
 	   || status == GCONV_FULL_OUTPUT)
-	  && dst[data.outbufavail - 1] == '\0')
+	  && data.outbuf[-1] == '\0')
 	{
-	  assert (data.outbufavail > 0);
+	  assert (data.outbuf != dst);
 	  assert (__mbsinit (data.statep));
 	  *src = NULL;
 	  --result;
 	}
-      else
-	*src += result;
     }
 
   /* There must not be any problems with the conversion but illegal input
diff --git a/wcsmbs/wctob.c b/wcsmbs/wctob.c
index e70b4e7fe6..b06d170388 100644
--- a/wcsmbs/wctob.c
+++ b/wcsmbs/wctob.c
@@ -31,14 +31,13 @@ wctob (c)
   char buf[MB_LEN_MAX];
   struct gconv_step_data data;
   wchar_t inbuf[1];
-  size_t inbytes;
+  wchar_t *inptr = inbuf;
   size_t converted;
   int status;
 
   /* Tell where we want the result.  */
-  data.outbuf = (char *) buf;
-  data.outbufavail = 0;
-  data.outbufsize = MB_LEN_MAX;
+  data.outbuf = buf;
+  data.outbufend = buf + MB_LEN_MAX;
   data.is_last = 1;
   data.statep = &data.__state;
 
@@ -50,15 +49,15 @@ wctob (c)
 
   /* Create the input string.  */
   inbuf[0] = c;
-  inbytes = sizeof (wchar_t);
 
   status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb, &data,
-					     (const char *) inbuf, &inbytes,
+					     (const char **) &inptr,
+					     (const char *) &inbuf[1],
 					     &converted, 0);
   /* The conversion failed or the output is too long.  */
   if ((status != GCONV_OK && status != GCONV_FULL_OUTPUT
        && status != GCONV_EMPTY_INPUT)
-      || data.outbufavail != 1)
+      || data.outbuf != buf + 1)
     return EOF;
 
   return buf[0];