gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / binutils / winduni.c

diff --git a/binutils/winduni.c b/binutils/winduni.c
index d79f47a3d7b5927e722d8bd1228e40965ad42b9d..36d699358b8ed715014932e99fabd30dd1acba75 100644 (file)
--- a/binutils/winduni.c
+++ b/binutils/winduni.c
@@ -1,12 +1,13 @@
 /* winduni.c -- unicode support for the windres program.
 /* winduni.c -- unicode support for the windres program.

-   Copyright 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.

    Written by Ian Lance Taylor, Cygnus Support.
    Written by Ian Lance Taylor, Cygnus Support.

+   Rewritten by Kai Tietz, Onevision.

 
    This file is part of GNU Binutils.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
    This file is part of GNU Binutils.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or

    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -16,8 +17,9 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software

-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+

 
 /* This file contains unicode support routines for the windres
    program.  Ideally, we would have generic unicode support which
 
 /* This file contains unicode support routines for the windres
    program.  Ideally, we would have generic unicode support which


@@ -27,45 +29,268 @@
    hosts, but that seems better than not really supporting unicode at
    all.  */
 
    hosts, but that seems better than not really supporting unicode at
    all.  */
 

+#include "sysdep.h"

 #include "bfd.h"
 #include "bfd.h"

+#include "libiberty.h" /* for xstrdup */

 #include "bucomm.h"
 #include "bucomm.h"

+/* Must be include before windows.h and winnls.h.  */
+#if defined (_WIN32) || defined (__CYGWIN__)
+#include <windows.h>
+#include <winnls.h>
+#endif

 #include "winduni.h"
 #include "winduni.h"

+#include "safe-ctype.h"

 
 

-#include <ctype.h>
+#if HAVE_ICONV
+#include <iconv.h>
+#endif
+
+static rc_uint_type wind_WideCharToMultiByte (rc_uint_type, const unichar *, char *, rc_uint_type);
+static rc_uint_type wind_MultiByteToWideChar (rc_uint_type, const char *, unichar *, rc_uint_type);
+static int unichar_isascii (const unichar *, rc_uint_type);
+
+/* Convert an ASCII string to a unicode string.  We just copy it,
+   expanding chars to shorts, rather than doing something intelligent.  */
+
+#if !defined (_WIN32) && !defined (__CYGWIN__)
+
+/* Codepages mapped.  */
+static local_iconv_map codepages[] =
+{
+  { 0, "cp1252" },
+  { 1, "WINDOWS-1252" },
+  { 437, "MS-ANSI" },
+  { 737, "MS-GREEK" },
+  { 775, "WINBALTRIM" },
+  { 850, "MS-ANSI" },
+  { 852, "MS-EE" },
+  { 857, "MS-TURK" },
+  { 862, "CP862" },
+  { 864, "CP864" },
+  { 866, "MS-CYRL" },
+  { 874, "WINDOWS-874" },
+  { 932, "CP932" },
+  { 936, "CP936" },
+  { 949, "CP949" },
+  { 950, "CP950" },
+  { 1250, "WINDOWS-1250" },
+  { 1251, "WINDOWS-1251" },
+  { 1252, "WINDOWS-1252" },
+  { 1253, "WINDOWS-1253" },
+  { 1254, "WINDOWS-1254" },
+  { 1255, "WINDOWS-1255" },
+  { 1256, "WINDOWS-1256" },
+  { 1257, "WINDOWS-1257" },
+  { 1258, "WINDOWS-1258" },
+  { CP_UTF7, "UTF-7" },
+  { CP_UTF8, "UTF-8" },
+  { CP_UTF16, "UTF-16LE" },
+  { (rc_uint_type) -1, NULL }
+};
+
+/* Languages supported.  */
+static const wind_language_t languages[] =
+{
+  { 0x0000, 437, 1252, "Neutral", "Neutral" },
+  { 0x0401, 864, 1256, "Arabic", "Saudi Arabia" },    { 0x0402, 866, 1251, "Bulgarian", "Bulgaria" },
+  { 0x0403, 850, 1252, "Catalan", "Spain" },         { 0x0404, 950,  950, "Chinese", "Taiwan" },
+  { 0x0405, 852, 1250, "Czech", "Czech Republic" },   { 0x0406, 850, 1252, "Danish", "Denmark" },
+  { 0x0407, 850, 1252, "German", "Germany" },        { 0x0408, 737, 1253, "Greek", "Greece" },
+  { 0x0409, 437, 1252, "English", "United States" },  { 0x040A, 850, 1252, "Spanish - Traditional Sort", "Spain" },
+  { 0x040B, 850, 1252, "Finnish", "Finland" },       { 0x040C, 850, 1252, "French", "France" },
+  { 0x040D, 862, 1255, "Hebrew", "Israel" },         { 0x040E, 852, 1250, "Hungarian", "Hungary" },
+  { 0x040F, 850, 1252, "Icelandic", "Iceland" },      { 0x0410, 850, 1252, "Italian", "Italy" },
+  { 0x0411, 932,  932, "Japanese", "Japan" },        { 0x0412, 949,  949, "Korean", "Korea (south)" },
+  { 0x0413, 850, 1252, "Dutch", "Netherlands" },      { 0x0414, 850, 1252, "Norwegian (Bokm\345l)", "Norway" },
+  { 0x0415, 852, 1250, "Polish", "Poland" },         { 0x0416, 850, 1252, "Portuguese", "Brazil" },
+  { 0x0418, 852, 1250, "Romanian", "Romania" },              { 0x0419, 866, 1251, "Russian", "Russia" },
+  { 0x041A, 852, 1250, "Croatian", "Croatia" },              { 0x041B, 852, 1250, "Slovak", "Slovakia" },
+  { 0x041C, 852, 1250, "Albanian", "Albania" },              { 0x041D, 850, 1252, "Swedish", "Sweden" },
+  { 0x041E, 874,  874, "Thai", "Thailand" },         { 0x041F, 857, 1254, "Turkish", "Turkey" },
+  { 0x0421, 850, 1252, "Indonesian", "Indonesia" },   { 0x0422, 866, 1251, "Ukrainian", "Ukraine" },
+  { 0x0423, 866, 1251, "Belarusian", "Belarus" },     { 0x0424, 852, 1250, "Slovene", "Slovenia" },
+  { 0x0425, 775, 1257, "Estonian", "Estonia" },              { 0x0426, 775, 1257, "Latvian", "Latvia" },
+  { 0x0427, 775, 1257, "Lithuanian", "Lithuania" },
+  { 0x0429, 864, 1256, "Arabic", "Farsi" },          { 0x042A,1258, 1258, "Vietnamese", "Vietnam" },
+  { 0x042D, 850, 1252, "Basque", "Spain" },
+  { 0x042F, 866, 1251, "Macedonian", "Former Yugoslav Republic of Macedonia" },
+  { 0x0436, 850, 1252, "Afrikaans", "South Africa" },
+  { 0x0438, 850, 1252, "Faroese", "Faroe Islands" },
+  { 0x043C, 437, 1252, "Irish", "Ireland" },
+  { 0x043E, 850, 1252, "Malay", "Malaysia" },
+  { 0x0801, 864, 1256, "Arabic", "Iraq" },
+  { 0x0804, 936,  936, "Chinese (People's republic of China)", "People's republic of China" },
+  { 0x0807, 850, 1252, "German", "Switzerland" },
+  { 0x0809, 850, 1252, "English", "United Kingdom" }, { 0x080A, 850, 1252, "Spanish", "Mexico" },
+  { 0x080C, 850, 1252, "French", "Belgium" },
+  { 0x0810, 850, 1252, "Italian", "Switzerland" },
+  { 0x0813, 850, 1252, "Dutch", "Belgium" },         { 0x0814, 850, 1252, "Norwegian (Nynorsk)", "Norway" },
+  { 0x0816, 850, 1252, "Portuguese", "Portugal" },
+  { 0x081A, 852, 1252, "Serbian (latin)", "Yugoslavia" },
+  { 0x081D, 850, 1252, "Swedish (Finland)", "Finland" },
+  { 0x0C01, 864, 1256, "Arabic", "Egypt" },
+  { 0x0C04, 950,  950, "Chinese", "Hong Kong" },
+  { 0x0C07, 850, 1252, "German", "Austria" },
+  { 0x0C09, 850, 1252, "English", "Australia" },      { 0x0C0A, 850, 1252, "Spanish - International Sort", "Spain" },
+  { 0x0C0C, 850, 1252, "French", "Canada"},
+  { 0x0C1A, 855, 1251, "Serbian (Cyrillic)", "Serbia" },
+  { 0x1001, 864, 1256, "Arabic", "Libya" },
+  { 0x1004, 936,  936, "Chinese", "Singapore" },
+  { 0x1007, 850, 1252, "German", "Luxembourg" },
+  { 0x1009, 850, 1252, "English", "Canada" },
+  { 0x100A, 850, 1252, "Spanish", "Guatemala" },
+  { 0x100C, 850, 1252, "French", "Switzerland" },
+  { 0x1401, 864, 1256, "Arabic", "Algeria" },
+  { 0x1407, 850, 1252, "German", "Liechtenstein" },
+  { 0x1409, 850, 1252, "English", "New Zealand" },    { 0x140A, 850, 1252, "Spanish", "Costa Rica" },
+  { 0x140C, 850, 1252, "French", "Luxembourg" },
+  { 0x1801, 864, 1256, "Arabic", "Morocco" },
+  { 0x1809, 850, 1252, "English", "Ireland" },       { 0x180A, 850, 1252, "Spanish", "Panama" },
+  { 0x180C, 850, 1252, "French", "Monaco" },
+  { 0x1C01, 864, 1256, "Arabic", "Tunisia" },
+  { 0x1C09, 437, 1252, "English", "South Africa" },   { 0x1C0A, 850, 1252, "Spanish", "Dominican Republic" },
+  { 0x2001, 864, 1256, "Arabic", "Oman" },
+  { 0x2009, 850, 1252, "English", "Jamaica" },       { 0x200A, 850, 1252, "Spanish", "Venezuela" },
+  { 0x2401, 864, 1256, "Arabic", "Yemen" },
+  { 0x2409, 850, 1252, "English", "Caribbean" },      { 0x240A, 850, 1252, "Spanish", "Colombia" },
+  { 0x2801, 864, 1256, "Arabic", "Syria" },
+  { 0x2809, 850, 1252, "English", "Belize" },        { 0x280A, 850, 1252, "Spanish", "Peru" },
+  { 0x2C01, 864, 1256, "Arabic", "Jordan" },
+  { 0x2C09, 437, 1252, "English", "Trinidad & Tobago" },{ 0x2C0A, 850, 1252, "Spanish", "Argentina" },
+  { 0x3001, 864, 1256, "Arabic", "Lebanon" },
+  { 0x3009, 437, 1252, "English", "Zimbabwe" },              { 0x300A, 850, 1252, "Spanish", "Ecuador" },
+  { 0x3401, 864, 1256, "Arabic", "Kuwait" },
+  { 0x3409, 437, 1252, "English", "Philippines" },    { 0x340A, 850, 1252, "Spanish", "Chile" },
+  { 0x3801, 864, 1256, "Arabic", "United Arab Emirates" },
+  { 0x380A, 850, 1252, "Spanish", "Uruguay" },
+  { 0x3C01, 864, 1256, "Arabic", "Bahrain" },
+  { 0x3C0A, 850, 1252, "Spanish", "Paraguay" },
+  { 0x4001, 864, 1256, "Arabic", "Qatar" },
+  { 0x400A, 850, 1252, "Spanish", "Bolivia" },
+  { 0x440A, 850, 1252, "Spanish", "El Salvador" },
+  { 0x480A, 850, 1252, "Spanish", "Honduras" },
+  { 0x4C0A, 850, 1252, "Spanish", "Nicaragua" },
+  { 0x500A, 850, 1252, "Spanish", "Puerto Rico" },
+  { (unsigned) -1,  0,      0, NULL, NULL }
+};

 
 

-#ifdef _WIN32
-#include <windows.h>

 #endif
 
 #endif
 

+/* Specifies the default codepage to be used for unicode
+   transformations.  By default this is CP_ACP.  */
+rc_uint_type wind_default_codepage = CP_ACP;
+
+/* Specifies the currently used codepage for unicode
+   transformations.  By default this is CP_ACP.  */
+rc_uint_type wind_current_codepage = CP_ACP;
+

 /* Convert an ASCII string to a unicode string.  We just copy it,
    expanding chars to shorts, rather than doing something intelligent.  */
 
 void
 /* Convert an ASCII string to a unicode string.  We just copy it,
    expanding chars to shorts, rather than doing something intelligent.  */
 
 void

-unicode_from_ascii (length, unicode, ascii)
-     int *length;
-     unichar **unicode;
-     const char *ascii;
+unicode_from_ascii (rc_uint_type *length, unichar **unicode, const char *ascii)

 {
 {

-  int len;
-  const char *s;
-  unsigned short *w;
+  unicode_from_codepage (length, unicode, ascii, wind_current_codepage);
+}

 
 

-  len = strlen (ascii);
+/* Convert an ASCII string with length A_LENGTH to a unicode string.  We just
+   copy it, expanding chars to shorts, rather than doing something intelligent.
+   This routine converts also \0 within a string.  */

 
 

-  if (length != NULL)
-    *length = len;
+void
+unicode_from_ascii_len (rc_uint_type *length, unichar **unicode, const char *ascii, rc_uint_type a_length)
+{
+  char *tmp, *p;
+  rc_uint_type tlen, elen, idx = 0;

 
 

-  *unicode = ((unichar *) res_alloc ((len + 1) * sizeof (unichar)));
+  *unicode = NULL;

 
 

-#ifdef _WIN32
-  /* FIXME: On Windows, we should be using MultiByteToWideChar to set
-     the length.  */
-  MultiByteToWideChar (CP_ACP, 0, ascii, len + 1, *unicode, len + 1);
-#else
-  for (s = ascii, w = *unicode; *s != '\0'; s++, w++)
-    *w = *s & 0xff;
-  *w = 0;
-#endif
+  if (!a_length)
+    {
+      if (length)
+        *length = 0;
+      return;
+    }
+
+  /* Make sure we have zero terminated string.  */
+  p = tmp = (char *) xmalloc (a_length + 1);
+  memcpy (tmp, ascii, a_length);
+  tmp[a_length] = 0;
+
+  while (a_length > 0)
+    {
+      unichar *utmp, *up;
+
+      tlen = strlen (p);
+
+      if (tlen > a_length)
+        tlen = a_length;
+      if (*p == 0)
+        {
+         /* Make room for one more character.  */
+         utmp = (unichar *) res_alloc (sizeof (unichar) * (idx + 1));
+         if (idx > 0)
+           {
+             memcpy (utmp, *unicode, idx * sizeof (unichar));
+           }
+         *unicode = utmp;
+         utmp[idx++] = 0;
+         --a_length;
+         p++;
+         continue;
+       }
+      utmp = NULL;
+      elen = 0;
+      elen = wind_MultiByteToWideChar (wind_current_codepage, p, NULL, 0);
+      if (elen)
+       {
+         utmp = ((unichar *) res_alloc (elen + sizeof (unichar) * 2));
+         wind_MultiByteToWideChar (wind_current_codepage, p, utmp, elen);
+         elen /= sizeof (unichar);
+         elen --;
+       }
+      else
+        {
+         /* Make room for one more character.  */
+         utmp = (unichar *) res_alloc (sizeof (unichar) * (idx + 1));
+         if (idx > 0)
+           {
+             memcpy (utmp, *unicode, idx * sizeof (unichar));
+           }
+         *unicode = utmp;
+         utmp[idx++] = ((unichar) *p) & 0xff;
+         --a_length;
+         p++;
+         continue;
+       }
+      p += tlen;
+      a_length -= tlen;
+
+      up = (unichar *) res_alloc (sizeof (unichar) * (idx + elen));
+      if (idx > 0)
+       memcpy (up, *unicode, idx * sizeof (unichar));
+
+      *unicode = up;
+      if (elen)
+       memcpy (&up[idx], utmp, sizeof (unichar) * elen);
+
+      idx += elen;
+    }
+
+  if (length)
+    *length = idx;
+
+  free (tmp);
+}
+
+/* Convert an unicode string to an ASCII string.  We just copy it,
+   shrink shorts to chars, rather than doing something intelligent.
+   Shorts with not within the char range are replaced by '_'.  */
+
+void
+ascii_from_unicode (rc_uint_type *length, const unichar *unicode, char **ascii)
+{
+  codepage_from_unicode (length, unicode, ascii, wind_current_codepage);

 }
 
 /* Print the unicode string UNICODE to the file E.  LENGTH is the
 }
 
 /* Print the unicode string UNICODE to the file E.  LENGTH is the


@@ -74,10 +299,7 @@ unicode_from_ascii (length, unicode, ascii)
    some Windows function, probably WideCharToMultiByte.  */
 
 void
    some Windows function, probably WideCharToMultiByte.  */
 
 void

-unicode_print (e, unicode, length)
-     FILE *e;
-     const unichar *unicode;
-     int length;
+unicode_print (FILE *e, const unichar *unicode, rc_uint_type length)

 {
   while (1)
     {
 {
   while (1)
     {


@@ -85,12 +307,12 @@ unicode_print (e, unicode, length)
 
       if (length == 0)
        return;
 
       if (length == 0)
        return;

-      if (length > 0)
+      if ((bfd_signed_vma) length > 0)

        --length;
 
       ch = *unicode;
 
        --length;
 
       ch = *unicode;
 

-      if (ch == 0 && length < 0)
+      if (ch == 0 && (bfd_signed_vma) length < 0)

        return;
 
       ++unicode;
        return;
 
       ++unicode;


@@ -98,8 +320,10 @@ unicode_print (e, unicode, length)
       if ((ch & 0x7f) == ch)
        {
          if (ch == '\\')
       if ((ch & 0x7f) == ch)
        {
          if (ch == '\\')

-           fputs ("\\", e);
-         else if (isprint (ch))
+           fputs ("\\\\", e);
+         else if (ch == '"')
+           fputs ("\"\"", e);
+         else if (ISPRINT (ch))

            putc (ch, e);
          else
            {
            putc (ch, e);
          else
            {


@@ -142,6 +366,542 @@ unicode_print (e, unicode, length)
       else if ((ch & 0xff) == ch)
        fprintf (e, "\\%03o", (unsigned int) ch);
       else
       else if ((ch & 0xff) == ch)
        fprintf (e, "\\%03o", (unsigned int) ch);
       else

-       fprintf (e, "\\x%x", (unsigned int) ch);
+       fprintf (e, "\\x%04x", (unsigned int) ch);
+    }
+}
+
+/* Print a unicode string to a file.  */
+
+void
+ascii_print (FILE *e, const char *s, rc_uint_type length)
+{
+  while (1)
+    {
+      char ch;
+
+      if (length == 0)
+       return;
+      if ((bfd_signed_vma) length > 0)
+       --length;
+
+      ch = *s;
+
+      if (ch == 0 && (bfd_signed_vma) length < 0)
+       return;
+
+      ++s;
+
+      if ((ch & 0x7f) == ch)
+       {
+         if (ch == '\\')
+           fputs ("\\\\", e);
+         else if (ch == '"')
+           fputs ("\"\"", e);
+         else if (ISPRINT (ch))
+           putc (ch, e);
+         else
+           {
+             switch (ch)
+               {
+               case ESCAPE_A:
+                 fputs ("\\a", e);
+                 break;
+
+               case ESCAPE_B:
+                 fputs ("\\b", e);
+                 break;
+
+               case ESCAPE_F:
+                 fputs ("\\f", e);
+                 break;
+
+               case ESCAPE_N:
+                 fputs ("\\n", e);
+                 break;
+
+               case ESCAPE_R:
+                 fputs ("\\r", e);
+                 break;
+
+               case ESCAPE_T:
+                 fputs ("\\t", e);
+                 break;
+
+               case ESCAPE_V:
+                 fputs ("\\v", e);
+                 break;
+
+               default:
+                 fprintf (e, "\\%03o", (unsigned int) ch);
+                 break;
+               }
+           }
+       }
+      else
+       fprintf (e, "\\%03o", (unsigned int) ch & 0xff);
+    }
+}
+
+rc_uint_type
+unichar_len (const unichar *unicode)
+{
+  rc_uint_type r = 0;
+
+  if (unicode)
+    while (unicode[r] != 0)
+      r++;
+  else
+    --r;
+  return r;
+}
+
+unichar *
+unichar_dup (const unichar *unicode)
+{
+  unichar *r;
+  int len;
+
+  if (! unicode)
+    return NULL;
+  for (len = 0; unicode[len] != 0; ++len)
+    ;
+  ++len;
+  r = ((unichar *) res_alloc (len * sizeof (unichar)));
+  memcpy (r, unicode, len * sizeof (unichar));
+  return r;
+}
+
+unichar *
+unichar_dup_uppercase (const unichar *u)
+{
+  unichar *r = unichar_dup (u);
+  int i;
+
+  if (! r)
+    return NULL;
+
+  for (i = 0; r[i] != 0; ++i)
+    {
+      if (r[i] >= 'a' && r[i] <= 'z')
+       r[i] &= 0xdf;
+    }
+  return r;
+}
+
+static int
+unichar_isascii (const unichar *u, rc_uint_type len)
+{
+  rc_uint_type i;
+
+  if ((bfd_signed_vma) len < 0)
+    {
+      if (u)
+       len = (rc_uint_type) unichar_len (u);
+      else
+       len = 0;
+    }
+
+  for (i = 0; i < len; i++)
+    if ((u[i] & 0xff80) != 0)
+      return 0;
+  return 1;
+}
+
+void
+unicode_print_quoted (FILE *e, const unichar *u, rc_uint_type len)
+{
+  if (! unichar_isascii (u, len))
+    fputc ('L', e);
+  fputc ('"', e);
+  unicode_print (e, u, len);
+  fputc ('"', e);
+}
+
+int
+unicode_is_valid_codepage (rc_uint_type cp)
+{
+  if ((cp & 0xffff) != cp)
+    return 0;
+  if (cp == CP_UTF16 || cp == CP_ACP)
+    return 1;
+
+#if !defined (_WIN32) && !defined (__CYGWIN__)
+  if (! wind_find_codepage_info (cp))
+    return 0;
+  return 1;
+#else
+  return !! IsValidCodePage ((UINT) cp);
+#endif
+}
+
+#if defined (_WIN32) || defined (__CYGWIN__)
+
+#define max_cp_string_len 6
+
+static unsigned int
+codepage_from_langid (unsigned short langid)
+{
+  char cp_string [max_cp_string_len];
+  int c;
+
+  memset (cp_string, 0, max_cp_string_len);
+  /* LOCALE_RETURN_NUMBER flag would avoid strtoul conversion,
+     but is unavailable on Win95.  */
+  c = GetLocaleInfoA (MAKELCID (langid, SORT_DEFAULT),
+                     LOCALE_IDEFAULTANSICODEPAGE,
+                     cp_string, max_cp_string_len);
+  /* If codepage data for an LCID is not installed on users's system,
+     GetLocaleInfo returns an empty string.  Fall back to system ANSI
+     default. */
+  if (c == 0)
+    return CP_ACP;
+  return strtoul (cp_string, 0, 10);
+}
+
+static unsigned int
+wincodepage_from_langid (unsigned short langid)
+{
+  char cp_string [max_cp_string_len];
+  int c;
+
+  memset (cp_string, 0, max_cp_string_len);
+  /* LOCALE_RETURN_NUMBER flag would avoid strtoul conversion,
+     but is unavailable on Win95.  */
+  c = GetLocaleInfoA (MAKELCID (langid, SORT_DEFAULT),
+                     LOCALE_IDEFAULTCODEPAGE,
+                     cp_string, max_cp_string_len);
+  /* If codepage data for an LCID is not installed on users's system,
+     GetLocaleInfo returns an empty string.  Fall back to system ANSI
+     default. */
+  if (c == 0)
+    return CP_OEM;
+  return strtoul (cp_string, 0, 10);
+}
+
+static char *
+lang_from_langid (unsigned short langid)
+{
+  char cp_string[261];
+  int c;
+
+  memset (cp_string, 0, 261);
+  c = GetLocaleInfoA (MAKELCID (langid, SORT_DEFAULT),
+                     LOCALE_SENGLANGUAGE,
+                     cp_string, 260);
+  /* If codepage data for an LCID is not installed on users's system,
+     GetLocaleInfo returns an empty string.  Fall back to system ANSI
+     default. */
+  if (c == 0)
+    strcpy (cp_string, "Neutral");
+  return xstrdup (cp_string);
+}
+
+static char *
+country_from_langid (unsigned short langid)
+{
+  char cp_string[261];
+  int c;
+
+  memset (cp_string, 0, 261);
+  c = GetLocaleInfoA (MAKELCID (langid, SORT_DEFAULT),
+                     LOCALE_SENGCOUNTRY,
+                     cp_string, 260);
+  /* If codepage data for an LCID is not installed on users's system,
+     GetLocaleInfo returns an empty string.  Fall back to system ANSI
+     default. */
+  if (c == 0)
+    strcpy (cp_string, "Neutral");
+  return xstrdup (cp_string);
+}
+
+#endif
+
+const wind_language_t *
+wind_find_language_by_id (unsigned id)
+{
+#if !defined (_WIN32) && !defined (__CYGWIN__)
+  int i;
+
+  if (! id)
+    return NULL;
+  for (i = 0; languages[i].id != (unsigned) -1 && languages[i].id != id; i++)
+    ;
+  if (languages[i].id == id)
+    return &languages[i];
+  return NULL;
+#else
+  static wind_language_t wl;
+
+  wl.id = id;
+  wl.doscp = codepage_from_langid ((unsigned short) id);
+  wl.wincp = wincodepage_from_langid ((unsigned short) id);
+  wl.name = lang_from_langid ((unsigned short) id);
+  wl.country = country_from_langid ((unsigned short) id);
+
+  return & wl;
+#endif
+}
+
+const local_iconv_map *
+wind_find_codepage_info (unsigned cp)
+{
+#if !defined (_WIN32) && !defined (__CYGWIN__)
+  int i;
+
+  for (i = 0; codepages[i].codepage != (rc_uint_type) -1 && codepages[i].codepage != cp; i++)
+    ;
+  if (codepages[i].codepage == (rc_uint_type) -1)
+    return NULL;
+  return &codepages[i];
+#else
+  static local_iconv_map lim;
+  if (!unicode_is_valid_codepage (cp))
+       return NULL;
+  lim.codepage = cp;
+  lim.iconv_name = "";
+  return & lim;
+#endif
+}
+
+/* Convert an Codepage string to a unicode string.  */
+
+void
+unicode_from_codepage (rc_uint_type *length, unichar **u, const char *src, rc_uint_type cp)
+{
+  rc_uint_type len;
+
+  len = wind_MultiByteToWideChar (cp, src, NULL, 0);
+  if (len)
+    {
+      *u = ((unichar *) res_alloc (len));
+      wind_MultiByteToWideChar (cp, src, *u, len);
+    }
+  /* Discount the trailing '/0'.  If MultiByteToWideChar failed,
+     this will set *length to -1.  */
+  len -= sizeof (unichar);
+
+  if (length != NULL)
+    *length = len / sizeof (unichar);
+}
+
+/* Convert an unicode string to an codepage string.  */
+
+void
+codepage_from_unicode (rc_uint_type *length, const unichar *unicode, char **ascii, rc_uint_type cp)
+{
+  rc_uint_type len;
+
+  len = wind_WideCharToMultiByte (cp, unicode, NULL, 0);
+  if (len)
+    {
+      *ascii = (char *) res_alloc (len * sizeof (char));
+      wind_WideCharToMultiByte (cp, unicode, *ascii, len);
+    }
+  /* Discount the trailing '/0'.  If MultiByteToWideChar failed,
+     this will set *length to -1.  */
+  len--;
+
+  if (length != NULL)
+    *length = len;
+}
+
+#if defined (HAVE_ICONV) && !defined (_WIN32) && !defined (__CYGWIN__)
+static int
+iconv_onechar (iconv_t cd, ICONV_CONST char *s, char *d, int d_len, const char **n_s, char **n_d)
+{
+  int i;
+
+  for (i = 1; i <= 32; i++)
+    {
+      char *tmp_d = d;
+      ICONV_CONST char *tmp_s = s;
+      size_t ret;
+      size_t s_left = (size_t) i;
+      size_t d_left = (size_t) d_len;
+
+      ret = iconv (cd, & tmp_s, & s_left, & tmp_d, & d_left);
+
+      if (ret != (size_t) -1)
+       {
+         *n_s = tmp_s;
+         *n_d = tmp_d;
+         return 0;
+       }
+    }
+
+  return 1;
+}
+
+static const char *
+wind_iconv_cp (rc_uint_type cp)
+{
+  const local_iconv_map *lim = wind_find_codepage_info (cp);
+
+  if (!lim)
+    return NULL;
+  return lim->iconv_name;
+}
+#endif /* HAVE_ICONV */
+
+static rc_uint_type
+wind_MultiByteToWideChar (rc_uint_type cp, const char *mb,
+                         unichar *u, rc_uint_type u_len)
+{
+  rc_uint_type ret = 0;
+
+#if defined (_WIN32) || defined (__CYGWIN__)
+  rc_uint_type conv_flags = MB_PRECOMPOSED;
+
+  /* MB_PRECOMPOSED is not allowed for UTF-7 or UTF-8.
+     MultiByteToWideChar will set the last error to
+     ERROR_INVALID_FLAGS if we do. */
+  if (cp == CP_UTF8 || cp == CP_UTF7)
+    conv_flags = 0;
+
+  ret = (rc_uint_type) MultiByteToWideChar (cp, conv_flags,
+                                           mb, -1, u, u_len);
+  /* Convert to bytes. */
+  ret *= sizeof (unichar);
+
+#elif defined (HAVE_ICONV)
+  int first = 1;
+  char tmp[32];
+  char *p_tmp;
+  const char *iconv_name = wind_iconv_cp (cp);
+
+  if (!mb || !iconv_name)
+    return 0;
+  iconv_t cd = iconv_open ("UTF-16LE", iconv_name);
+
+  while (1)
+    {
+      int iret;
+      const char *n_mb = "";
+      char *n_tmp = "";
+
+      p_tmp = tmp;
+      iret = iconv_onechar (cd, (ICONV_CONST char *) mb, p_tmp, 32, & n_mb, & n_tmp);
+      if (first)
+       {
+         first = 0;
+         continue;
+       }
+      if (!iret)
+       {
+         size_t l_tmp = (size_t) (n_tmp - p_tmp);
+
+         if (u)
+           {
+             if ((size_t) u_len < l_tmp)
+               break;
+             memcpy (u, tmp, l_tmp);
+             u += l_tmp/2;
+             u_len -= l_tmp;
+           }
+         ret += l_tmp;
+       }
+      else
+       break;
+      if (tmp[0] == 0 && tmp[1] == 0)
+       break;
+      mb = n_mb;

     }
     }

+  iconv_close (cd);
+#else
+  if (cp)
+    ret = 0;
+  ret = strlen (mb) + 1;
+  ret *= sizeof (unichar);
+  if (u != NULL && u_len != 0)
+    {
+      do
+       {
+         *u++ = ((unichar) *mb) & 0xff;
+         --u_len; mb++;
+       }
+      while (u_len != 0 && mb[-1] != 0);
+    }
+  if (u != NULL && u_len != 0)
+    *u = 0;
+#endif
+  return ret;
+}
+
+static rc_uint_type
+wind_WideCharToMultiByte (rc_uint_type cp, const unichar *u, char *mb, rc_uint_type mb_len)
+{
+  rc_uint_type ret = 0;
+#if defined (_WIN32) || defined (__CYGWIN__)
+  WINBOOL used_def = FALSE;
+
+  ret = (rc_uint_type) WideCharToMultiByte (cp, 0, u, -1, mb, mb_len,
+                                           NULL, & used_def);
+#elif defined (HAVE_ICONV)
+  int first = 1;
+  char tmp[32];
+  char *p_tmp;
+  const char *iconv_name = wind_iconv_cp (cp);
+
+  if (!u || !iconv_name)
+    return 0;
+  iconv_t cd = iconv_open (iconv_name, "UTF-16LE");
+
+  while (1)
+    {
+      int iret;
+      const char *n_u = "";
+      char *n_tmp = "";
+
+      p_tmp = tmp;
+      iret = iconv_onechar (cd, (ICONV_CONST char *) u, p_tmp, 32, &n_u, & n_tmp);
+      if (first)
+       {
+         first = 0;
+         continue;
+       }
+      if (!iret)
+       {
+         size_t l_tmp = (size_t) (n_tmp - p_tmp);
+
+         if (mb)
+           {
+             if ((size_t) mb_len < l_tmp)
+               break;
+             memcpy (mb, tmp, l_tmp);
+             mb += l_tmp;
+             mb_len -= l_tmp;
+           }
+         ret += l_tmp;
+       }
+      else
+       break;
+      if (u[0] == 0)
+       break;
+      u = (const unichar *) n_u;
+    }
+  iconv_close (cd);
+#else
+  if (cp)
+    ret = 0;
+
+  while (u[ret] != 0)
+    ++ret;
+
+  ++ret;
+
+  if (mb)
+    {
+      while (*u != 0 && mb_len != 0)
+       {
+         if (u[0] == (u[0] & 0x7f))
+           *mb++ = (char) u[0];
+         else
+           *mb++ = '_';
+         ++u; --mb_len;
+       }
+      if (mb_len != 0)
+       *mb = 0;
+    }
+#endif
+  return ret;

 }
 }