| /* A substitute for ISO C99 <wctype.h>, for platforms that lack it. |
| |
| Copyright (C) 2006, 2007 Free Software Foundation, Inc. |
| |
| 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 02110-1301, USA. */ |
| |
| /* Written by Bruno Haible and Paul Eggert. */ |
| |
| /* |
| * ISO C 99 <wctype.h> for platforms that lack it. |
| * <http://www.opengroup.org/susv3xbd/wctype.h.html> |
| * |
| * iswctype, towctrans, towlower, towupper, wctrans, wctype, |
| * wctrans_t, and wctype_t are not yet implemented. |
| */ |
| |
| #if @HAVE_WINT_T@ |
| /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. |
| Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before |
| <wchar.h>. |
| BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be |
| included before <wchar.h>. */ |
| # include <stddef.h> |
| # include <stdio.h> |
| # include <time.h> |
| # include <wchar.h> |
| #endif |
| |
| #if @HAVE_WCTYPE_H@ |
| # if defined __DECC && __DECC_VER >= 60000000 |
| # include_next <wctype.h> |
| # endif |
| #endif |
| |
| #ifndef _GL_WCTYPE_H |
| #define _GL_WCTYPE_H |
| |
| /* Include the original <wctype.h> if it exists. |
| BeOS 5 has the functions but no <wctype.h>. */ |
| #if @HAVE_WCTYPE_H@ |
| # if !(defined __DECC && __DECC_VER >= 60000000) |
| # include @ABSOLUTE_WCTYPE_H@ |
| # endif |
| #endif |
| |
| #if @HAVE_WINT_T@ |
| typedef wint_t __wctype_wint_t; |
| #else |
| typedef int __wctype_wint_t; |
| #endif |
| |
| /* FreeBSD 4.4 to 4.11 has <wctype.h> but lacks the functions. |
| Assume all 12 functions are implemented the same way, or not at all. */ |
| #if ! @HAVE_ISWCNTRL@ |
| |
| /* IRIX 5.3 has macros but no functions, its isw* macros refer to an |
| undefined variable _ctmp_ and to <ctype.h> macros like _P, and they |
| refer to system functions like _iswctype that are not in the |
| standard C library. Rather than try to get ancient buggy |
| implementations like this to work, just disable them. */ |
| # undef iswalnum |
| # undef iswalpha |
| # undef iswblank |
| # undef iswcntrl |
| # undef iswdigit |
| # undef iswgraph |
| # undef iswlower |
| # undef iswprint |
| # undef iswpunct |
| # undef iswspace |
| # undef iswupper |
| # undef iswxdigit |
| |
| static inline int |
| iswalnum (__wctype_wint_t wc) |
| { |
| return ((wc >= '0' && wc <= '9') |
| || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z')); |
| } |
| |
| static inline int |
| iswalpha (__wctype_wint_t wc) |
| { |
| return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'; |
| } |
| |
| static inline int |
| iswblank (__wctype_wint_t wc) |
| { |
| return wc == ' ' || wc == '\t'; |
| } |
| |
| static inline int |
| iswcntrl (__wctype_wint_t wc) |
| { |
| return (wc & ~0x1f) == 0 || wc == 0x7f; |
| } |
| |
| static inline int |
| iswdigit (__wctype_wint_t wc) |
| { |
| return wc >= '0' && wc <= '9'; |
| } |
| |
| static inline int |
| iswgraph (__wctype_wint_t wc) |
| { |
| return wc >= '!' && wc <= '~'; |
| } |
| |
| static inline int |
| iswlower (__wctype_wint_t wc) |
| { |
| return wc >= 'a' && wc <= 'z'; |
| } |
| |
| static inline int |
| iswprint (__wctype_wint_t wc) |
| { |
| return wc >= ' ' && wc <= '~'; |
| } |
| |
| static inline int |
| iswpunct (__wctype_wint_t wc) |
| { |
| return (wc >= '!' && wc <= '~' |
| && !((wc >= '0' && wc <= '9') |
| || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'))); |
| } |
| |
| static inline int |
| iswspace (__wctype_wint_t wc) |
| { |
| return (wc == ' ' || wc == '\t' |
| || wc == '\n' || wc == '\v' || wc == '\f' || wc == '\r'); |
| } |
| |
| static inline int |
| iswupper (__wctype_wint_t wc) |
| { |
| return wc >= 'A' && wc <= 'Z'; |
| } |
| |
| static inline int |
| iswxdigit (__wctype_wint_t wc) |
| { |
| return ((wc >= '0' && wc <= '9') |
| || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F')); |
| } |
| |
| # endif /* ! HAVE_ISWCNTRL */ |
| |
| #endif /* _GL_WCTYPE_H */ |