[pcsx_rearmed.git] / win32 / intl / l10nflist.c

/* Handle list of needed message catalogs
   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.

   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, or (at your option)
   any later version.

   This program 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 General Public License for more details.

   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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.  */

#include "intlconfig.h"

#if defined HAVE_STRING_H || defined _LIBC
# ifndef _GNU_SOURCE
#  define _GNU_SOURCE	1
# endif
# include <string.h>
#else
# include <strings.h>
# ifndef memcpy
#  define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
# endif
#endif
#if !HAVE_STRCHR && !defined _LIBC
# ifndef strchr
#  define strchr index
# endif
#endif

#if defined _LIBC || defined HAVE_ARGZ_H
# include <argz.h>
#endif
#include <ctype.h>
#include <sys/types.h>

#if defined STDC_HEADERS || defined _LIBC
# include <stdlib.h>
#endif

#include "loadinfo.h"

/* On some strange systems still no definition of NULL is found.  Sigh!  */
#ifndef NULL
# if defined __STDC__ && __STDC__
#  define NULL ((void *) 0)
# else
#  define NULL 0
# endif
#endif

/* @@ end of prolog @@ */

#ifdef _LIBC
/* Rename the non ANSI C functions.  This is required by the standard
   because some ANSI C functions will require linking with this object
   file and the name space must not be polluted.  */
# ifndef stpcpy
#  define stpcpy(dest, src) __stpcpy(dest, src)
# endif
#else
# ifndef HAVE_STPCPY
static char *stpcpy PARAMS ((char *dest, const char *src));
# endif
#endif

/* Define function which are usually not available.  */

#if !defined _LIBC && !defined HAVE___ARGZ_COUNT
/* Returns the number of strings in ARGZ.  */
static size_t argz_count__ PARAMS ((const char *argz, size_t len));

static size_t
argz_count__ (argz, len)
     const char *argz;
     size_t len;
{
  size_t count = 0;
  while (len > 0)
    {
      size_t part_len = strlen (argz);
      argz += part_len + 1;
      len -= part_len + 1;
      count++;
    }
  return count;
}
# undef __argz_count
# define __argz_count(argz, len) argz_count__ (argz, len)
#endif	/* !_LIBC && !HAVE___ARGZ_COUNT */

#if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
   except the last into the character SEP.  */
static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));

static void
argz_stringify__ (argz, len, sep)
     char *argz;
     size_t len;
     int sep;
{
  while (len > 0)
    {
      size_t part_len = strlen (argz);
      argz += part_len;
      len -= part_len + 1;
      if (len > 0)
	*argz++ = sep;
    }
}
# undef __argz_stringify
# define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
#endif	/* !_LIBC && !HAVE___ARGZ_STRINGIFY */

#if !defined _LIBC && !defined HAVE___ARGZ_NEXT
static char *argz_next__ PARAMS ((char *argz, size_t argz_len,
				  const char *entry));

static char *
argz_next__ (argz, argz_len, entry)
     char *argz;
     size_t argz_len;
     const char *entry;
{
  if (entry)
    {
      if (entry < argz + argz_len)
        entry = strchr (entry, '\0') + 1;

      return entry >= argz + argz_len ? NULL : (char *) entry;
    }
  else
    if (argz_len > 0)
      return argz;
    else
      return 0;
}
# undef __argz_next
# define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
#endif	/* !_LIBC && !HAVE___ARGZ_NEXT */


/* Return number of bits set in X.  */
static int pop PARAMS ((int x));

static inline int
pop (x)
     int x;
{
  /* We assume that no more than 16 bits are used.  */
  x = ((x & ~0x5555) >> 1) + (x & 0x5555);
  x = ((x & ~0x3333) >> 2) + (x & 0x3333);
  x = ((x >> 4) + x) & 0x0f0f;
  x = ((x >> 8) + x) & 0xff;

  return x;
}

\f
struct loaded_l10nfile *
_nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
		    territory, codeset, normalized_codeset, modifier, special,
		    sponsor, revision, filename, do_allocate)
     struct loaded_l10nfile **l10nfile_list;
     const char *dirlist;
     size_t dirlist_len;
     int mask;
     const char *language;
     const char *territory;
     const char *codeset;
     const char *normalized_codeset;
     const char *modifier;
     const char *special;
     const char *sponsor;
     const char *revision;
     const char *filename;
     int do_allocate;
{
  char *abs_filename;
  struct loaded_l10nfile *last = NULL;
  struct loaded_l10nfile *retval;
  char *cp;
  size_t entries;
  int cnt;

  /* Allocate room for the full file name.  */
  abs_filename = (char *) malloc (dirlist_len
				  + strlen (language)
				  + ((mask & TERRITORY) != 0
				     ? strlen (territory) + 1 : 0)
				  + ((mask & XPG_CODESET) != 0
				     ? strlen (codeset) + 1 : 0)
				  + ((mask & XPG_NORM_CODESET) != 0
				     ? strlen (normalized_codeset) + 1 : 0)
				  + (((mask & XPG_MODIFIER) != 0
				      || (mask & CEN_AUDIENCE) != 0)
				     ? strlen (modifier) + 1 : 0)
				  + ((mask & CEN_SPECIAL) != 0
				     ? strlen (special) + 1 : 0)
				  + (((mask & CEN_SPONSOR) != 0
				      || (mask & CEN_REVISION) != 0)
				     ? (1 + ((mask & CEN_SPONSOR) != 0
					     ? strlen (sponsor) + 1 : 0)
					+ ((mask & CEN_REVISION) != 0
					   ? strlen (revision) + 1 : 0)) : 0)
				  + 1 + strlen (filename) + 1);

  if (abs_filename == NULL)
    return NULL;

  retval = NULL;
  last = NULL;

  /* Construct file name.  */
  memcpy (abs_filename, dirlist, dirlist_len);
  __argz_stringify (abs_filename, dirlist_len, ';'); /*FRANCO changed : to ; for win32*/
  cp = abs_filename + (dirlist_len - 1);
  *cp++ = '/';
  cp = stpcpy (cp, language);

  if ((mask & TERRITORY) != 0)
    {
      *cp++ = '_';
      cp = stpcpy (cp, territory);
    }
  if ((mask & XPG_CODESET) != 0)
    {
      *cp++ = '.';
      cp = stpcpy (cp, codeset);
    }
  if ((mask & XPG_NORM_CODESET) != 0)
    {
      *cp++ = '.';
      cp = stpcpy (cp, normalized_codeset);
    }
  if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
    {
      /* This component can be part of both syntaces but has different
	 leading characters.  For CEN we use `+', else `@'.  */
      *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
      cp = stpcpy (cp, modifier);
    }
  if ((mask & CEN_SPECIAL) != 0)
    {
      *cp++ = '+';
      cp = stpcpy (cp, special);
    }
  if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
    {
      *cp++ = ',';
      if ((mask & CEN_SPONSOR) != 0)
	cp = stpcpy (cp, sponsor);
      if ((mask & CEN_REVISION) != 0)
	{
	  *cp++ = '_';
	  cp = stpcpy (cp, revision);
	}
    }

  *cp++ = '/';
  stpcpy (cp, filename);

  /* Look in list of already loaded domains whether it is already
     available.  */
  last = NULL;
  for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
    if (retval->filename != NULL)
      {
	int compare = strcmp (retval->filename, abs_filename);
	if (compare == 0)
	  /* We found it!  */
	  break;
	if (compare < 0)
	  {
	    /* It's not in the list.  */
	    retval = NULL;
	    break;
	  }

	last = retval;
      }

  if (retval != NULL || do_allocate == 0)
    {
      free (abs_filename);
      return retval;
    }

  retval = (struct loaded_l10nfile *)
    malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
				* (1 << pop (mask))
				* sizeof (struct loaded_l10nfile *)));
  if (retval == NULL)
    return NULL;

  retval->filename = abs_filename;
  retval->decided = (__argz_count (dirlist, dirlist_len) != 1
		     || ((mask & XPG_CODESET) != 0
			 && (mask & XPG_NORM_CODESET) != 0));
  retval->data = NULL;

  if (last == NULL)
    {
      retval->next = *l10nfile_list;
      *l10nfile_list = retval;
    }
  else
    {
      retval->next = last->next;
      last->next = retval;
    }

  entries = 0;
  /* If the DIRLIST is a real list the RETVAL entry corresponds not to
     a real file.  So we have to use the DIRLIST separation mechanism
     of the inner loop.  */
  cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
  for (; cnt >= 0; --cnt)
    if ((cnt & ~mask) == 0
	&& ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0)
	&& ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0))
      {
	/* Iterate over all elements of the DIRLIST.  */
	char *dir = NULL;

	while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
	       != NULL)
	  retval->successor[entries++]
	    = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
				  language, territory, codeset,
				  normalized_codeset, modifier, special,
				  sponsor, revision, filename, 1);
      }
  retval->successor[entries] = NULL;

  return retval;
}
\f
/* Normalize codeset name.  There is no standard for the codeset
   names.  Normalization allows the user to use any of the common
   names.  */
const char *
_nl_normalize_codeset (codeset, name_len)
     const unsigned char *codeset;
     size_t name_len;
{
  int len = 0;
  int only_digit = 1;
  char *retval;
  char *wp;
  size_t cnt;

  for (cnt = 0; cnt < name_len; ++cnt)
    if (isalnum (codeset[cnt]))
      {
	++len;

	if (isalpha (codeset[cnt]))
	  only_digit = 0;
      }

  retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);

  if (retval != NULL)
    {
      if (only_digit)
	wp = stpcpy (retval, "iso");
      else
	wp = retval;

      for (cnt = 0; cnt < name_len; ++cnt)
	if (isalpha (codeset[cnt]))
	  *wp++ = tolower (codeset[cnt]);
	else if (isdigit (codeset[cnt]))
	  *wp++ = codeset[cnt];

      *wp = '\0';
    }

  return (const char *) retval;
}


/* @@ begin of epilog @@ */

/* We don't want libintl.a to depend on any other library.  So we
   avoid the non-standard function stpcpy.  In GNU C Library this
   function is available, though.  Also allow the symbol HAVE_STPCPY
   to be defined.  */
#if !_LIBC && !HAVE_STPCPY
static char *
stpcpy (dest, src)
     char *dest;
     const char *src;
{
  while ((*dest++ = *src++) != '\0')
    /* Do nothing. */ ;
  return dest - 1;
}
#endif
Commit	Line	Data
ef79bbde P	1	/* Handle list of needed message catalogs
	2	Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
	3	Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2, or (at your option)
	8	any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the Free Software Foundation,
	17	Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. */
	18
	19	#include "intlconfig.h"
	20
	21	#if defined HAVE_STRING_H \|\| defined _LIBC
	22	# ifndef _GNU_SOURCE
	23	# define _GNU_SOURCE 1
	24	# endif
	25	# include <string.h>
	26	#else
	27	# include <strings.h>
	28	# ifndef memcpy
	29	# define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
	30	# endif
	31	#endif
	32	#if !HAVE_STRCHR && !defined _LIBC
	33	# ifndef strchr
	34	# define strchr index
	35	# endif
	36	#endif
	37
	38	#if defined _LIBC \|\| defined HAVE_ARGZ_H
	39	# include <argz.h>
	40	#endif
	41	#include <ctype.h>
	42	#include <sys/types.h>
	43
	44	#if defined STDC_HEADERS \|\| defined _LIBC
	45	# include <stdlib.h>
	46	#endif
	47
	48	#include "loadinfo.h"
	49
	50	/* On some strange systems still no definition of NULL is found. Sigh! */
	51	#ifndef NULL
	52	# if defined __STDC__ && __STDC__
	53	# define NULL ((void *) 0)
	54	# else
	55	# define NULL 0
	56	# endif
	57	#endif
	58
	59	/* @@ end of prolog @@ */
	60
	61	#ifdef _LIBC
	62	/* Rename the non ANSI C functions. This is required by the standard
	63	because some ANSI C functions will require linking with this object
	64	file and the name space must not be polluted. */
65	# ifndef stpcpy
66	# define stpcpy(dest, src) __stpcpy(dest, src)
67	# endif
68	#else
69	# ifndef HAVE_STPCPY
70	static char stpcpy PARAMS ((char dest, const char *src));
71	# endif
72	#endif
73
74	/* Define function which are usually not available. */
75
76	#if !defined _LIBC && !defined HAVE___ARGZ_COUNT
77	/* Returns the number of strings in ARGZ. */
78	static size_t argz_count__ PARAMS ((const char *argz, size_t len));
79
80	static size_t
81	argz_count__ (argz, len)
82	const char *argz;
83	size_t len;
84	{
85	size_t count = 0;
86	while (len > 0)
87	{
88	size_t part_len = strlen (argz);
89	argz += part_len + 1;
90	len -= part_len + 1;
91	count++;
92	}
93	return count;
94	}
95	# undef __argz_count
96	# define __argz_count(argz, len) argz_count__ (argz, len)
97	#endif /* !_LIBC && !HAVE___ARGZ_COUNT */
98
99	#if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
100	/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
101	except the last into the character SEP. */
102	static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));
103
104	static void
105	argz_stringify__ (argz, len, sep)
106	char *argz;
107	size_t len;
108	int sep;
109	{
110	while (len > 0)
111	{
112	size_t part_len = strlen (argz);
113	argz += part_len;
114	len -= part_len + 1;
115	if (len > 0)
116	*argz++ = sep;
117	}
118	}
119	# undef __argz_stringify
120	# define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
121	#endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */
122
123	#if !defined _LIBC && !defined HAVE___ARGZ_NEXT
124	static char argz_next__ PARAMS ((char argz, size_t argz_len,
125	const char *entry));
126
127	static char *
128	argz_next__ (argz, argz_len, entry)
129	char *argz;
130	size_t argz_len;
131	const char *entry;
132	{
133	if (entry)
134	{
135	if (entry < argz + argz_len)
136	entry = strchr (entry, '\0') + 1;
137
138	return entry >= argz + argz_len ? NULL : (char *) entry;
139	}
140	else
141	if (argz_len > 0)
142	return argz;
143	else
144	return 0;
145	}
146	# undef __argz_next
147	# define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
148	#endif /* !_LIBC && !HAVE___ARGZ_NEXT */
149
150
151	/* Return number of bits set in X. */
152	static int pop PARAMS ((int x));
153
154	static inline int
155	pop (x)
156	int x;
157	{
158	/* We assume that no more than 16 bits are used. */
159	x = ((x & ~0x5555) >> 1) + (x & 0x5555);
160	x = ((x & ~0x3333) >> 2) + (x & 0x3333);
161	x = ((x >> 4) + x) & 0x0f0f;
162	x = ((x >> 8) + x) & 0xff;
163
164	return x;
165	}
166
167	\f
168	struct loaded_l10nfile *
169	_nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
170	territory, codeset, normalized_codeset, modifier, special,
171	sponsor, revision, filename, do_allocate)
172	struct loaded_l10nfile **l10nfile_list;
173	const char *dirlist;
174	size_t dirlist_len;
175	int mask;
176	const char *language;
177	const char *territory;
178	const char *codeset;
179	const char *normalized_codeset;
180	const char *modifier;
181	const char *special;
182	const char *sponsor;
183	const char *revision;
184	const char *filename;
185	int do_allocate;
186	{
187	char *abs_filename;
188	struct loaded_l10nfile *last = NULL;
189	struct loaded_l10nfile *retval;
190	char *cp;
191	size_t entries;
192	int cnt;
193
194	/* Allocate room for the full file name. */
195	abs_filename = (char *) malloc (dirlist_len
196	+ strlen (language)
197	+ ((mask & TERRITORY) != 0
198	? strlen (territory) + 1 : 0)
199	+ ((mask & XPG_CODESET) != 0
200	? strlen (codeset) + 1 : 0)
201	+ ((mask & XPG_NORM_CODESET) != 0
202	? strlen (normalized_codeset) + 1 : 0)
203	+ (((mask & XPG_MODIFIER) != 0
204	\|\| (mask & CEN_AUDIENCE) != 0)
205	? strlen (modifier) + 1 : 0)
206	+ ((mask & CEN_SPECIAL) != 0
207	? strlen (special) + 1 : 0)
208	+ (((mask & CEN_SPONSOR) != 0
209	\|\| (mask & CEN_REVISION) != 0)
210	? (1 + ((mask & CEN_SPONSOR) != 0
211	? strlen (sponsor) + 1 : 0)
212	+ ((mask & CEN_REVISION) != 0
213	? strlen (revision) + 1 : 0)) : 0)
214	+ 1 + strlen (filename) + 1);
215
216	if (abs_filename == NULL)
217	return NULL;
218
219	retval = NULL;
220	last = NULL;
221
222	/* Construct file name. */
223	memcpy (abs_filename, dirlist, dirlist_len);
224	__argz_stringify (abs_filename, dirlist_len, ';'); /FRANCO changed : to ; for win32/
225	cp = abs_filename + (dirlist_len - 1);
226	*cp++ = '/';
227	cp = stpcpy (cp, language);
228
229	if ((mask & TERRITORY) != 0)
230	{
231	*cp++ = '_';
232	cp = stpcpy (cp, territory);
233	}
234	if ((mask & XPG_CODESET) != 0)
235	{
236	*cp++ = '.';
237	cp = stpcpy (cp, codeset);
238	}
239	if ((mask & XPG_NORM_CODESET) != 0)
240	{
241	*cp++ = '.';
242	cp = stpcpy (cp, normalized_codeset);
243	}
244	if ((mask & (XPG_MODIFIER \| CEN_AUDIENCE)) != 0)
245	{
246	/* This component can be part of both syntaces but has different
247	leading characters. For CEN we use `+', else `@'. */
248	*cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
249	cp = stpcpy (cp, modifier);
250	}
251	if ((mask & CEN_SPECIAL) != 0)
252	{
253	*cp++ = '+';
254	cp = stpcpy (cp, special);
255	}
256	if ((mask & (CEN_SPONSOR \| CEN_REVISION)) != 0)
257	{
258	*cp++ = ',';
259	if ((mask & CEN_SPONSOR) != 0)
260	cp = stpcpy (cp, sponsor);
261	if ((mask & CEN_REVISION) != 0)
262	{
263	*cp++ = '_';
264	cp = stpcpy (cp, revision);
265	}
266	}
267
268	*cp++ = '/';
269	stpcpy (cp, filename);
270
271	/* Look in list of already loaded domains whether it is already
272	available. */
273	last = NULL;
274	for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
275	if (retval->filename != NULL)
276	{
277	int compare = strcmp (retval->filename, abs_filename);
278	if (compare == 0)
279	/* We found it! */
280	break;
281	if (compare < 0)
282	{
283	/* It's not in the list. */
284	retval = NULL;
285	break;
286	}
287
288	last = retval;
289	}
290
291	if (retval != NULL \|\| do_allocate == 0)
292	{
293	free (abs_filename);
294	return retval;
295	}
296
297	retval = (struct loaded_l10nfile *)
298	malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
299	* (1 << pop (mask))
300	* sizeof (struct loaded_l10nfile *)));
301	if (retval == NULL)
302	return NULL;
303
304	retval->filename = abs_filename;
305	retval->decided = (__argz_count (dirlist, dirlist_len) != 1
306	\|\| ((mask & XPG_CODESET) != 0
307	&& (mask & XPG_NORM_CODESET) != 0));
308	retval->data = NULL;
309
310	if (last == NULL)
311	{
312	retval->next = *l10nfile_list;
313	*l10nfile_list = retval;
314	}
315	else
316	{
317	retval->next = last->next;
318	last->next = retval;
319	}
320
321	entries = 0;
322	/* If the DIRLIST is a real list the RETVAL entry corresponds not to
323	a real file. So we have to use the DIRLIST separation mechanism
324	of the inner loop. */
325	cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
326	for (; cnt >= 0; --cnt)
327	if ((cnt & ~mask) == 0
328	&& ((cnt & CEN_SPECIFIC) == 0 \|\| (cnt & XPG_SPECIFIC) == 0)
329	&& ((cnt & XPG_CODESET) == 0 \|\| (cnt & XPG_NORM_CODESET) == 0))
330	{
331	/* Iterate over all elements of the DIRLIST. */
332	char *dir = NULL;
333
334	while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
335	!= NULL)
336	retval->successor[entries++]
337	= _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
338	language, territory, codeset,
339	normalized_codeset, modifier, special,
340	sponsor, revision, filename, 1);
341	}
342	retval->successor[entries] = NULL;
343
344	return retval;
345	}
346	\f
347	/* Normalize codeset name. There is no standard for the codeset
348	names. Normalization allows the user to use any of the common
349	names. */
350	const char *
351	_nl_normalize_codeset (codeset, name_len)
352	const unsigned char *codeset;
353	size_t name_len;
354	{
355	int len = 0;
356	int only_digit = 1;
357	char *retval;
358	char *wp;
359	size_t cnt;
360
361	for (cnt = 0; cnt < name_len; ++cnt)
362	if (isalnum (codeset[cnt]))
363	{
364	++len;
365
366	if (isalpha (codeset[cnt]))
367	only_digit = 0;
368	}
369
370	retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
371
372	if (retval != NULL)
373	{
374	if (only_digit)
375	wp = stpcpy (retval, "iso");
376	else
377	wp = retval;
378
379	for (cnt = 0; cnt < name_len; ++cnt)
380	if (isalpha (codeset[cnt]))
381	*wp++ = tolower (codeset[cnt]);
382	else if (isdigit (codeset[cnt]))
383	*wp++ = codeset[cnt];
384
385	*wp = '\0';
386	}
387
388	return (const char *) retval;
389	}
390
391
392	/* @@ begin of epilog @@ */
393
394	/* We don't want libintl.a to depend on any other library. So we
395	avoid the non-standard function stpcpy. In GNU C Library this
396	function is available, though. Also allow the symbol HAVE_STPCPY
397	to be defined. */
398	#if !_LIBC && !HAVE_STPCPY
399	static char *
400	stpcpy (dest, src)
401	char *dest;
402	const char *src;
403	{
404	while ((dest++ = src++) != '\0')
405	/* Do nothing. */ ;
406	return dest - 1;
407	}
408	#endif