/* 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
* wctrans_t, and wctype_t are not yet implemented.
*/
-#ifndef _GL_WCTYPE_H
-#define _GL_WCTYPE_H
-
-#if @HAVE_WINT_T@ - 0
+#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 4.1 has a bug: <stdio.h> and <time.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>
-typedef wint_t __wctype_wint_t;
-#else
-typedef int __wctype_wint_t;
#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@
-# include @ABSOLUTE_WCTYPE_H@
+# if !(defined __DECC && __DECC_VER >= 60000000)
+# include @ABSOLUTE_WCTYPE_H@
+# endif
#endif
-/* IRIX 5.3 has bugs: its isw* macros refer to an undefined variable
- _ctmp_ and to <ctype.h> macros like _P. */
-#if @HAVE_WCTYPE_CTMP_BUG@
-# include <ctype.h>
-wchar_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 (__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 (__wctype_wint_t wc)
{
return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z';
}
-# define iswalpha iswalpha
-#endif
-#if !defined iswblank && !HAVE_ISWCNTRL
static inline int
iswblank (__wctype_wint_t wc)
{
return wc == ' ' || wc == '\t';
}
-# define iswblank iswblank
-#endif
-#if !defined iswcntrl && !HAVE_ISWCNTRL
static inline int
iswcntrl (__wctype_wint_t wc)
{
return (wc & ~0x1f) == 0 || wc == 0x7f;
}
-# define iswcntrl iswcntrl
-#endif
-#if !defined iswdigit && !HAVE_ISWCNTRL
static inline int
iswdigit (__wctype_wint_t wc)
{
return wc >= '0' && wc <= '9';
}
-# define iswdigit iswdigit
-#endif
-#if !defined iswgraph && !HAVE_ISWCNTRL
static inline int
iswgraph (__wctype_wint_t wc)
{
return wc >= '!' && wc <= '~';
}
-# define iswgraph iswgraph
-#endif
-#if !defined iswlower && !HAVE_ISWCNTRL
static inline int
iswlower (__wctype_wint_t wc)
{
return wc >= 'a' && wc <= 'z';
}
-# define iswlower iswlower
-#endif
-#if !defined iswprint && !HAVE_ISWCNTRL
static inline int
iswprint (__wctype_wint_t wc)
{
return wc >= ' ' && wc <= '~';
}
-# define iswprint iswprint
-#endif
-#if !defined iswpunct && !HAVE_ISWCNTRL
static inline int
iswpunct (__wctype_wint_t wc)
{
&& !((wc >= '0' && wc <= '9')
|| ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z')));
}
-# define iswpunct iswpunct
-#endif
-#if !defined iswspace && !HAVE_ISWCNTRL
static inline int
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 (__wctype_wint_t wc)
{
return wc >= 'A' && wc <= 'Z';
}
-# define iswupper iswupper
-#endif
-#if !defined iswxdigit && !HAVE_ISWCNTRL
static inline int
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 */