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.
4
5 Copyright (C) 2006-2008 Free Software Foundation, Inc.
6
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)
10 any later version.
11
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.
16
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. */
20
21 /* Written by Bruno Haible and Paul Eggert. */
22
23 /*
24 * ISO C 99 <wctype.h> for platforms that lack it.
25 * <http://www.opengroup.org/susv3xbd/wctype.h.html>
26 *
27 * iswctype, towctrans, towlower, towupper, wctrans, wctype,
28 * wctrans_t, and wctype_t are not yet implemented.
29 */
30
31 #ifndef _GL_WCTYPE_H
32
33 #if __GNUC__ >= 3
34 @PRAGMA_SYSTEM_HEADER@
35 #endif
36
37 #if @HAVE_WINT_T@
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
40 <wchar.h>.
41 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
42 included before <wchar.h>. */
43 # include <stddef.h>
44 # include <stdio.h>
45 # include <time.h>
46 # include <wchar.h>
47 #endif
48
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. */
52 #if @HAVE_WCTYPE_H@
53 # @INCLUDE_NEXT@ @NEXT_WCTYPE_H@
54 #endif
55
56 #ifndef _GL_WCTYPE_H
57 #define _GL_WCTYPE_H
58
59 /* Define wint_t. (Also done in wchar.in.h.) */
60 #if !@HAVE_WINT_T@ && !defined wint_t
61 # define wint_t int
62 # ifndef WEOF
63 # define WEOF -1
64 # endif
65 #endif
66
67 /* FreeBSD 4.4 to 4.11 has <wctype.h> but lacks the functions.
68 Linux libc5 has <wctype.h> and the functions but they are broken.
69 Assume all 12 functions are implemented the same way, or not at all. */
70 #if ! @HAVE_ISWCNTRL@ || @REPLACE_ISWCNTRL@
71
72 /* IRIX 5.3 has macros but no functions, its isw* macros refer to an
73 undefined variable _ctmp_ and to <ctype.h> macros like _P, and they
74 refer to system functions like _iswctype that are not in the
75 standard C library. Rather than try to get ancient buggy
76 implementations like this to work, just disable them. */
77 # undef iswalnum
78 # undef iswalpha
79 # undef iswblank
80 # undef iswcntrl
81 # undef iswdigit
82 # undef iswgraph
83 # undef iswlower
84 # undef iswprint
85 # undef iswpunct
86 # undef iswspace
87 # undef iswupper
88 # undef iswxdigit
89
90 /* Linux libc5 has <wctype.h> and the functions but they are broken. */
91 # if @REPLACE_ISWCNTRL@
92 # define iswalnum rpl_iswalnum
93 # define iswalpha rpl_iswalpha
94 # define iswblank rpl_iswblank
95 # define iswcntrl rpl_iswcntrl
96 # define iswdigit rpl_iswdigit
97 # define iswgraph rpl_iswgraph
98 # define iswlower rpl_iswlower
99 # define iswprint rpl_iswprint
100 # define iswpunct rpl_iswpunct
101 # define iswspace rpl_iswspace
102 # define iswupper rpl_iswupper
103 # define iswxdigit rpl_iswxdigit
104 # endif
105
106 static inline int
iswalnum(wint_t wc)107 iswalnum (wint_t wc)
108 {
109 return ((wc >= '0' && wc <= '9')
110 || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'));
111 }
112
113 static inline int
iswalpha(wint_t wc)114 iswalpha (wint_t wc)
115 {
116 return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z';
117 }
118
119 static inline int
iswblank(wint_t wc)120 iswblank (wint_t wc)
121 {
122 return wc == ' ' || wc == '\t';
123 }
124
125 static inline int
iswcntrl(wint_t wc)126 iswcntrl (wint_t wc)
127 {
128 return (wc & ~0x1f) == 0 || wc == 0x7f;
129 }
130
131 static inline int
iswdigit(wint_t wc)132 iswdigit (wint_t wc)
133 {
134 return wc >= '0' && wc <= '9';
135 }
136
137 static inline int
iswgraph(wint_t wc)138 iswgraph (wint_t wc)
139 {
140 return wc >= '!' && wc <= '~';
141 }
142
143 static inline int
iswlower(wint_t wc)144 iswlower (wint_t wc)
145 {
146 return wc >= 'a' && wc <= 'z';
147 }
148
149 static inline int
iswprint(wint_t wc)150 iswprint (wint_t wc)
151 {
152 return wc >= ' ' && wc <= '~';
153 }
154
155 static inline int
iswpunct(wint_t wc)156 iswpunct (wint_t wc)
157 {
158 return (wc >= '!' && wc <= '~'
159 && !((wc >= '0' && wc <= '9')
160 || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z')));
161 }
162
163 static inline int
iswspace(wint_t wc)164 iswspace (wint_t wc)
165 {
166 return (wc == ' ' || wc == '\t'
167 || wc == '\n' || wc == '\v' || wc == '\f' || wc == '\r');
168 }
169
170 static inline int
iswupper(wint_t wc)171 iswupper (wint_t wc)
172 {
173 return wc >= 'A' && wc <= 'Z';
174 }
175
176 static inline int
iswxdigit(wint_t wc)177 iswxdigit (wint_t wc)
178 {
179 return ((wc >= '0' && wc <= '9')
180 || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F'));
181 }
182
183 # endif /* ! HAVE_ISWCNTRL */
184
185 #endif /* _GL_WCTYPE_H */
186 #endif /* _GL_WCTYPE_H */
187