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authorUlrich Drepper <drepper@redhat.com>1998-04-07 09:21:28 +0000
committerUlrich Drepper <drepper@redhat.com>1998-04-07 09:21:28 +0000
commit4bca4c174852bfc348f99e85684fc8f65631d125 (patch)
treea5779cb83844d32d94557e4b8613278d7d877c9b /wcsmbs/wcrtomb.c
parent91641c65220646ae2ad8b4ec6972adc7e6720d36 (diff)
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Update.
1998-04-07 08:51  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/gconv.c: Take care for NULL arguments.
	* iconv/gconv_dl.c: Make find_func function global.
	* iconv/gconv_int.h: Add prototype for __gconv_find_func.
	Add prototypes for ASCII conversion functions.
	* iconv/gconv_simple.c: Add ASCII conversion functions.
	* locale/C-ctype.c: Correct charset name.

	* wcsmbs/Makefile (distribute): Add wcsmbsload.h.
	(routines): Remove wmemrtowcs and wmemrtombs, add wcsnlen and
	wcsmbsload.
	* wcsmbs/btowc.c: Rewrite to use iconv functionality.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.
	* wcsmbs/wchar.h: Add prototype for __wcslen, wcsnlen.  Remove
	prototypes for wmemr*.
	* wcsmbs/wcslen.c: Rename to __wcslen and make wcslen weak alias.
	* wcsmbs/wcsnlen.c: New file.
	* wcsmbs/wcsmbsload.c: New file.
	* wcsmbs/wcsmbsload.h: New file.

	* manual/filesys.texi: Mention risks of tmpnam and mktemp.

	* manual/install.texi: Describe some more critical points.

	* string/string.h: Add prototype for __strnlen.
	* string/strnlen.c: Rename to __strnlen and make strnlen weak alias.

	* sysdeps/posix/mktemp.c: Rewrite to allow many more files and
	much less predictable names.
	* sysdeps/posix/mkstemp.c: Likewise.

1998-04-05  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* manual/libc.texinfo (Top): Change "file namespace" to "local
	namespace".

	* manual/socket.texi: Change file namespace to local namespace.
	(Out-of-Band Data): Remove unneeded variable link.
	(Host Address Functions): Use uint32_t consequently and add a
	number of clarifications for IPv4/IPv6, classless addresses.
	(Internet Namespace): Added some paragraphs about IPv6.
	Based on suggestions by Francesco Potorti` <F.Potorti@cnuce.cnr.it>.

1998-04-05  Philip Blundell  <Philip.Blundell@pobox.com>

	Update for draft-ietf-ipngwg-bsd-api-new-01.txt:

	* resolv/netdb.h (getnameinfo): Use `socklen_t' not `size_t'.
	(NI_NUMERICHOST, et al.): Tidy up and add comments.
	(AI_NUMERICHOST): Define.
	(getnodebyname): New prototype.
	(AI_V4MAPPED, et al.): New constants.

	* sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h (SA_LEN): New macro.<
	* sysdeps/generic/bits/sockaddr.h (SA_LEN): Likewise.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add sa_len
	for socket.
	* sysdeps/unix/sysv/linux/sa_len.c: New file.
	* sysdeps/unix/sysv/linux/Dist: Add sa_len.c.

	* sysdeps/unix/sysv/linux/bits/socket.h: Make multiple #inclusion safe.

	* sysdeps/generic/bits/sockunion.h: New file, defining sockaddr_union.
	* sysdeps/unix/sysv/linux/bits/sockunion.h: Likewise.
	* socket/Makefile (headers): Add bits/sockunion.h.
	* socket/sys/socket.h: Include <bits/sockunion.h>
	* inet/netinet/in.h: Include <bits/sockaddr.h> rather than
	<sys/socket.h>, to avoid getting sockaddr_union defined.
	* sysdeps/generic/bits/socket.h: Allow inclusion from netinet.in.h.
	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise.

	* sysdeps/unix/sysv/linux/if_index.c: Remove use of SIOCGIFCOUNT
	(2.2.x kernels won't have it).

1998-04-06 21:21  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/bits/ioctls.h: Allow inclusion from hurd/ioctl.h.
	* sysdeps/mach/hurd/dl-sysdep.c: Use __ptr_t not caddr_t.
	* iconv/gconv_conf.c: Define MAXPATHLEN if not available before.
	Patches by UCHIYAMA Yasushi <uch@nop.or.jp>.

1998-04-05  Philip Blundell  <Philip.Blundell@pobox.com>

	* manual/socket.texi (Socket Addresses): Fix a typo.
	(Interface Naming): New section.

1998-04-05 23:29  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* configure.in: Check for CC using $ac_tool_prefix, to handle
	cross-compilation.  Use AC_CHECK_TOOL to find MiG.
	* config.make.in: Add MIG to be substituted.
	* mach/Machrules: Don't define MIG variable.

	Patch by Gordon Matzigkeit <gord@profitpress.com>.

1998-04-05  Mark Kettenis  <kettenis@phys.uva.nl>

	* elf/dl-load.c (decompose_rpath): Use local_strdup instead of
	strdupa to copy rpath.

1998-04-05  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* configure.in: Fix gcc version check.

	* aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less confusing.

1998-04-05  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* configure.in: Fix gcc version check.

	* aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less
	confusing.

1998-04-05  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* configure.in: Fix gcc version check.

	* aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less
	confusing.

1998-03-31  Mark Kettenis  <kettenis@phys.uva.nl>

	* sysdeps/unix/bsd/unlockpt.c (unlockpt): Call __ptsname_r instead
	of ptsname_r.

	* stdlib/stdlib.h: Change prototype of ptsname_r to make it more
	like ttyname_r.
	* sysdeps/unix/sysv/linux/ptsname.c (__ptsname_r): Likewise.
	* sysdeps/generic/ptsname.c (__ptsname_r): Likewise.
	* sysdeps/unix/grantpt.c (grantpt): Change check of return value
	of __ptsname_r accordingly.
	* login/openpty.c (openpty): Likewise.

1998-06-04 18:47  H.J. Lu  <hjl@gnu.org>

	* libio/fileops.c (_IO_file_xsgetn): Adjust pointers.

1998-04-06 13:58  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig (libtypes): Redo H.J. Lu's change of 1998-03-27.

	* Makerules: Readd missing rule for $(objpfx)stamp.oS.

1998-04-06  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/ypclnt.c: Don't give YPERR_RPC back, use the do_ypcall
	return value for better error checking.
Diffstat (limited to 'wcsmbs/wcrtomb.c')
-rw-r--r--wcsmbs/wcrtomb.c109
1 files changed, 59 insertions, 50 deletions
diff --git a/wcsmbs/wcrtomb.c b/wcsmbs/wcrtomb.c
index 63859e158a..d45ae444bb 100644
--- a/wcsmbs/wcrtomb.c
+++ b/wcsmbs/wcrtomb.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
@@ -18,77 +18,86 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <errno.h>
+#include <gconv.h>
+#include <stdlib.h>
 #include <wchar.h>
+#include <wcsmbsload.h>
+
+#include <assert.h>
 
 #ifndef EILSEQ
-#define EILSEQ EINVAL
+# define EILSEQ EINVAL
 #endif
 
-static const wchar_t encoding_mask[] =
-{
-  ~0x7ff, ~0xffff, ~0x1fffff, ~0x3ffffff
-};
-
-static const unsigned char encoding_byte[] =
-{
-  0xc0, 0xe0, 0xf0, 0xf8, 0xfc
-};
 
-/* The state is for this UTF8 encoding not used.  */
-static mbstate_t internal;
+/* This is the private state used if PS is NULL.  */
+static mbstate_t state;
 
 size_t
 __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
 {
-  size_t written = 0;
-
-  if (ps == NULL)
-    ps = &internal;
-
+  char buf[MB_CUR_MAX];
+  struct gconv_step_data data;
+  int status;
+  size_t result;
+
+  /* Tell where we want the result.  */
+  data.outbuf = s;
+  data.outbufavail = 0;
+  data.outbufsize = MB_CUR_MAX;
+  data.is_last = 1;
+  data.statep = ps ?: &state;
+
+  /* A first special case is if S is NULL.  This means put PS in the
+     initial state.  */
   if (s == NULL)
     {
-      /* This is equivalent to wcrtomb (<<internal>, L'\0', ps).  We
-	 only have to reset the state.  */
-      ps->count = 0;
-      return 1;
+      data.outbuf = buf;
+      wc = L'\0';
     }
 
-  /* Store the UTF8 representation of WC.  */
-  if (wc < 0 || wc > 0x7fffffff)
+  /* Make sure we use the correct function.  */
+  update_conversion_ptrs ();
+
+  /* If WC is the NUL character we write into the output buffer the byte
+     sequence necessary for PS to get into the initial state, followed
+     by a NUL byte.  */
+  if (wc == L'\0')
     {
-      /* This is no correct ISO 10646 character.  */
-      __set_errno (EILSEQ);
-      return (size_t) -1;
-    }
+      size_t inbytes = 0;
+
+      status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
+						 &data, NULL, &inbytes,
+						 NULL, 1);
 
-  if (wc < 0x80)
+      if (status == GCONV_OK)
+	data.outbuf[data.outbufavail++] = '\0';
+    }
+  else
     {
-      /* It's a one byte sequence.  */
-      if (s != NULL)
-	*s = (char) wc;
-      ps->count = 0;
-      return 1;
+      /* Do a normal conversion.  */
+      size_t inbytes = sizeof (wchar_t);
+
+      status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb,
+						 &data, (char *) &wc, &inbytes,
+						 NULL, 0);
     }
 
-  for (written = 2; written < 6; ++written)
-    if ((wc & encoding_mask[written - 2]) == 0)
-      break;
+  /* There must not be any problems with the conversion but illegal input
+     characters.  The output buffer must be large enough, otherwise the
+     definition of MB_CUR_MAX is not correct.  All the other possible
+     errors also must not happen.  */
+  assert (status == GCONV_OK || status == GCONV_ILLEGAL_INPUT
+	  || status == GCONV_INCOMPLETE_INPUT);
 
-  if (s != NULL)
+  if (status == GCONV_OK)
+    result = data.outbufavail;
+  else
     {
-      size_t cnt = written;
-      s[0] = encoding_byte[cnt - 2];
-
-      --cnt;
-      do
-	{
-	  s[cnt] = 0x80 | (wc & 0x3f);
-	  wc >>= 6;
-	}
-      while (--cnt > 0);
-      s[0] |= wc;
+      result = (size_t) -1;
+      __set_errno (EILSEQ);
     }
 
-  return written;
+  return result;
 }
 weak_alias (__wcrtomb, wcrtomb)