/* A substitute for ISO C99 <wctype.h>, for platforms that lack it.
- Copyright (C) 2006 Free Software Foundation, Inc.
+ 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
/* Written by Bruno Haible and Paul Eggert. */
-/* iswctype, towctrans, towlower, towupper, wctrans, wctype,
- wctrans_t, and wctype_t are not yet implemented. */
+/*
+ * 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 @HAVE_INCLUDE_NEXT@
+# include_next <wctype.h>
+# endif
+#endif
#ifndef _GL_WCTYPE_H
#define _GL_WCTYPE_H
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
- <wchar.h>.
- BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before
- <wchar.h>. */
-#include <stdio.h>
-#include <time.h>
-#include <wchar.h>
-
+/* Include the original <wctype.h> if it exists.
+ BeOS 5 has the functions but no <wctype.h>. */
#if @HAVE_WCTYPE_H@
-# include @ABSOLUTE_WCTYPE_H@
+# if ! @HAVE_INCLUDE_NEXT@
+# include @ABSOLUTE_WCTYPE_H@
+# endif
#endif
-#if @HAVE_WCTYPE_CTMP_BUG@
-static wint_t _ctmp_;
+#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
-#if !defined iswalnum && !HAVE_ISWCNTRL
static inline int
-iswalnum (wint_t wc)
+iswalnum (__wctype_wint_t wc)
{
return ((wc >= '0' && wc <= '9')
|| ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'));
}
-# define iswalnum iswalnum
-#endif
-#if !defined iswalpha && !HAVE_ISWCNTRL
static inline int
-iswalpha (wint_t wc)
+iswalpha (__wctype_wint_t wc)
{
return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z';
}
-# define iswalpha iswalpha
-#endif
-#if !defined iswblank && !HAVE_ISWCNTRL
static inline int
-iswblank (wint_t wc)
+iswblank (__wctype_wint_t wc)
{
return wc == ' ' || wc == '\t';
}
-# define iswblank iswblank
-#endif
-#if !defined iswcntrl && !HAVE_ISWCNTRL
static inline int
-iswcntrl (wint_t wc)
+iswcntrl (__wctype_wint_t wc)
{
return (wc & ~0x1f) == 0 || wc == 0x7f;
}
-# define iswcntrl iswcntrl
-#endif
-#if !defined iswdigit && !HAVE_ISWCNTRL
static inline int
-iswdigit (wint_t wc)
+iswdigit (__wctype_wint_t wc)
{
return wc >= '0' && wc <= '9';
}
-# define iswdigit iswdigit
-#endif
-#if !defined iswgraph && !HAVE_ISWCNTRL
static inline int
-iswgraph (wint_t wc)
+iswgraph (__wctype_wint_t wc)
{
return wc >= '!' && wc <= '~';
}
-# define iswgraph iswgraph
-#endif
-#if !defined iswlower && !HAVE_ISWCNTRL
static inline int
-iswlower (wint_t wc)
+iswlower (__wctype_wint_t wc)
{
return wc >= 'a' && wc <= 'z';
}
-# define iswlower iswlower
-#endif
-#if !defined iswprint && !HAVE_ISWCNTRL
static inline int
-iswprint (wint_t wc)
+iswprint (__wctype_wint_t wc)
{
return wc >= ' ' && wc <= '~';
}
-# define iswprint iswprint
-#endif
-#if !defined iswpunct && !HAVE_ISWCNTRL
static inline int
-iswpunct (wint_t wc)
+iswpunct (__wctype_wint_t wc)
{
return (wc >= '!' && wc <= '~'
&& !((wc >= '0' && wc <= '9')
|| ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z')));
}
-# define iswpunct iswpunct
-#endif
-#if !defined iswspace && !HAVE_ISWCNTRL
static inline int
-iswspace (wint_t wc)
+iswspace (__wctype_wint_t wc)
{
return (wc == ' ' || wc == '\t'
|| wc == '\n' || wc == '\v' || wc == '\f' || wc == '\r');
}
-# define iswspace iswspace
-#endif
-#if !defined iswupper && !HAVE_ISWCNTRL
static inline int
-iswupper (wint_t wc)
+iswupper (__wctype_wint_t wc)
{
return wc >= 'A' && wc <= 'Z';
}
-# define iswupper iswupper
-#endif
-#if !defined iswxdigit && !HAVE_ISWCNTRL
static inline int
-iswxdigit (wint_t wc)
+iswxdigit (__wctype_wint_t wc)
{
return ((wc >= '0' && wc <= '9')
|| ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F'));
}
-# define iswxdigit iswxdigit
-#endif
+# endif /* ! HAVE_ISWCNTRL */
#endif /* _GL_WCTYPE_H */