1 /* -*- buffer-read-only: t -*- vi: set ro: */
2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
3 /* A substitute for ISO C99 <wctype.h>, for platforms that lack it.
5 Copyright (C) 2006-2010 Free Software Foundation, Inc.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software Foundation,
19 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
21 /* Written by Bruno Haible and Paul Eggert. */
24 * ISO C 99 <wctype.h> for platforms that lack it.
25 * <http://www.opengroup.org/susv3xbd/wctype.h.html>
27 * iswctype, towctrans, towlower, towupper, wctrans, wctype,
28 * wctrans_t, and wctype_t are not yet implemented.
34 @PRAGMA_SYSTEM_HEADER@
38 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.
39 Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
41 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
42 included before <wchar.h>. */
49 /* Include the original <wctype.h> if it exists.
50 BeOS 5 has the functions but no <wctype.h>. */
51 /* The include_next requires a split double-inclusion guard. */
53 # @INCLUDE_NEXT@ @NEXT_WCTYPE_H@
59 /* Define wint_t. (Also done in wchar.in.h.) */
60 #if !@HAVE_WINT_T@ && !defined wint_t
71 /* FreeBSD 4.4 to 4.11 has <wctype.h> but lacks the functions.
72 Linux libc5 has <wctype.h> and the functions but they are broken.
73 Assume all 12 functions are implemented the same way, or not at all. */
74 #if ! @HAVE_ISWCNTRL@ || @REPLACE_ISWCNTRL@
76 /* IRIX 5.3 has macros but no functions, its isw* macros refer to an
77 undefined variable _ctmp_ and to <ctype.h> macros like _P, and they
78 refer to system functions like _iswctype that are not in the
79 standard C library. Rather than try to get ancient buggy
80 implementations like this to work, just disable them. */
96 /* Linux libc5 has <wctype.h> and the functions but they are broken. */
97 # if @REPLACE_ISWCNTRL@
98 # define iswalnum rpl_iswalnum
99 # define iswalpha rpl_iswalpha
100 # define iswblank rpl_iswblank
101 # define iswcntrl rpl_iswcntrl
102 # define iswdigit rpl_iswdigit
103 # define iswgraph rpl_iswgraph
104 # define iswlower rpl_iswlower
105 # define iswprint rpl_iswprint
106 # define iswpunct rpl_iswpunct
107 # define iswspace rpl_iswspace
108 # define iswupper rpl_iswupper
109 # define iswxdigit rpl_iswxdigit
110 # define towlower rpl_towlower
111 # define towupper rpl_towupper
117 return ((wc >= '0' && wc <= '9')
118 || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'));
124 return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z';
130 return wc == ' ' || wc == '\t';
136 return (wc & ~0x1f) == 0 || wc == 0x7f;
142 return wc >= '0' && wc <= '9';
148 return wc >= '!' && wc <= '~';
154 return wc >= 'a' && wc <= 'z';
160 return wc >= ' ' && wc <= '~';
166 return (wc >= '!' && wc <= '~'
167 && !((wc >= '0' && wc <= '9')
168 || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z')));
174 return (wc == ' ' || wc == '\t'
175 || wc == '\n' || wc == '\v' || wc == '\f' || wc == '\r');
181 return wc >= 'A' && wc <= 'Z';
185 iswxdigit (wint_t wc)
187 return ((wc >= '0' && wc <= '9')
188 || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F'));
194 return (wc >= 'A' && wc <= 'Z' ? wc - 'A' + 'a' : wc);
200 return (wc >= 'a' && wc <= 'z' ? wc - 'a' + 'A' : wc);
203 #endif /* ! HAVE_ISWCNTRL || REPLACE_ISWCNTRL */
205 #if defined __MINGW32__
207 /* On native Windows, wchar_t is uint16_t, and wint_t is uint32_t.
208 The functions towlower and towupper are implemented in the MSVCRT library
209 to take a wchar_t argument and return a wchar_t result. mingw declares
210 these functions to take a wint_t argument and return a wint_t result.
212 1. When the user passes an argument outside the range 0x0000..0xFFFF, the
213 function will look only at the lower 16 bits. This is allowed according
215 2. The return value is returned in the lower 16 bits of the result register.
216 The upper 16 bits are random: whatever happened to be in that part of the
217 result register. We need to fix this by adding a zero-extend from
218 wchar_t to wint_t after the call. */
221 rpl_towlower (wint_t wc)
223 return (wint_t) (wchar_t) towlower (wc);
225 # define towlower rpl_towlower
228 rpl_towupper (wint_t wc)
230 return (wint_t) (wchar_t) towupper (wc);
232 # define towupper rpl_towupper
234 #endif /* __MINGW32__ */
240 #endif /* _GL_WCTYPE_H */
241 #endif /* _GL_WCTYPE_H */