diff options
Diffstat (limited to 'wctype/wctype.c')
-rw-r--r-- | wctype/wctype.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/wctype/wctype.c b/wctype/wctype.c new file mode 100644 index 0000000000..36db3b95a4 --- /dev/null +++ b/wctype/wctype.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. +Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>. + +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. + +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. + +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. */ + +#include <endian.h> +#include <string.h> +#include <wctype.h> +#include "localeinfo.h" + +wctype_t +wctype (const char *property) +{ + const char *names; + wctype_t result; + + names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS_NAMES); + for (result = 1; result != 0; result <<= 1) + { + if (strcmp (property, names) == 0) + break; + + names = strchr (names, '\0') + 1; + if (names[0] == '\0') + return 0; + } + +#if __BYTE_ORDER == __BIG_ENDIAN + return result; +#else +# define SWAPU32(w) \ + (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24)) + +# define SWAPU16(w) \ + (((w) >> 8) | ((w) << 8)) + + if (sizeof (wctype_t) == 4) + return SWAPU32 (result); + else + return SWAPU16 (result); +#endif +} |