manual: add dup3

[thirdparty/glibc.git] / wctype / wctype_l.c

diff --git a/wctype/wctype_l.c b/wctype/wctype_l.c
index 6a8d469fa84ffc0ca862cf4660e57e2fefb57edb..2ab725f0c8917e46ace97decfa7c5ffba74f833f 100644 (file)
--- a/wctype/wctype_l.c
+++ b/wctype/wctype_l.c
@@ -1,36 +1,36 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2024 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
    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.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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.
+   Lesser 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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
 
 #include <endian.h>
+#include <locale.h>
 #include <string.h>
 #include <wctype.h>
 #include <locale/localeinfo.h>
 
 wctype_t
-__wctype_l (const char *property, __locale_t locale)
+__wctype_l (const char *property, locale_t locale)
 {
   const char *names;
-  wctype_t result;
+  unsigned int result;
   size_t proplen = strlen (property);
+  size_t i;
 
   names = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_NAMES)].string;
-  for (result = 1; result != 0; result <<= 1)
+  for (result = 0; ; result++)
     {
       size_t nameslen = strlen (names);
 
@@ -42,12 +42,7 @@ __wctype_l (const char *property, __locale_t locale)
        return 0;
     }
 
-#if __BYTE_ORDER == __BIG_ENDIAN
-  return result;
-#else
-#define XSWAPU32(w) \
-  ((((w) & 0xff00ff00) >> 8) | (((w) & 0xff00ff) << 8))
-
-  return XSWAPU32 (result);
-#endif
+  i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + result;
+  return (wctype_t) locale->__locales[LC_CTYPE]->values[i].string;
 }
+weak_alias (__wctype_l, wctype_l)