/* A substitute for ISO C99 <wctype.h>, for platforms that lack it.
- Copyright (C) 2006-2008 Free Software Foundation, Inc.
+ Copyright (C) 2006-2010 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)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
#ifndef _GL_WCTYPE_H
#define _GL_WCTYPE_H
-/* Define wint_t. (Also done in wchar.in.h.) */
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+/* Define wint_t and WEOF. (Also done in wchar.in.h.) */
#if !@HAVE_WINT_T@ && !defined wint_t
# define wint_t int
# ifndef WEOF
# define WEOF -1
# endif
+#else
+# ifndef WEOF
+# define WEOF ((wint_t) -1)
+# endif
#endif
+
/* FreeBSD 4.4 to 4.11 has <wctype.h> but lacks the functions.
Linux libc5 has <wctype.h> and the functions but they are broken.
- Assume all 12 functions are implemented the same way, or not at all. */
+ Assume all 11 functions (all isw* except iswblank) are implemented the
+ same way, or not at all. */
#if ! @HAVE_ISWCNTRL@ || @REPLACE_ISWCNTRL@
/* IRIX 5.3 has macros but no functions, its isw* macros refer to an
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
+# undef iswalnum
+# undef iswalpha
+# undef iswblank
+# undef iswcntrl
+# undef iswdigit
+# undef iswgraph
+# undef iswlower
+# undef iswprint
+# undef iswpunct
+# undef iswspace
+# undef iswupper
+# undef iswxdigit
+# undef towlower
+# undef towupper
/* Linux libc5 has <wctype.h> and the functions but they are broken. */
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define iswalnum rpl_iswalnum
# define iswalpha rpl_iswalpha
# define iswblank rpl_iswblank
# define iswspace rpl_iswspace
# define iswupper rpl_iswupper
# define iswxdigit rpl_iswxdigit
+# define towlower rpl_towlower
+# define towupper rpl_towupper
# endif
+# endif
static inline int
-iswalnum (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswalnum
+# else
+iswalnum
+# endif
+ (wint_t wc)
{
return ((wc >= '0' && wc <= '9')
- || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'));
+ || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z'));
}
static inline int
-iswalpha (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswalpha
+# else
+iswalpha
+# endif
+ (wint_t wc)
{
return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z';
}
static inline int
-iswblank (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswblank
+# else
+iswblank
+# endif
+ (wint_t wc)
{
return wc == ' ' || wc == '\t';
}
static inline int
-iswcntrl (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswcntrl
+# else
+iswcntrl
+# endif
+ (wint_t wc)
{
return (wc & ~0x1f) == 0 || wc == 0x7f;
}
static inline int
-iswdigit (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswdigit
+# else
+iswdigit
+# endif
+ (wint_t wc)
{
return wc >= '0' && wc <= '9';
}
static inline int
-iswgraph (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswgraph
+# else
+iswgraph
+# endif
+ (wint_t wc)
{
return wc >= '!' && wc <= '~';
}
static inline int
-iswlower (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswlower
+# else
+iswlower
+# endif
+ (wint_t wc)
{
return wc >= 'a' && wc <= 'z';
}
static inline int
-iswprint (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswprint
+# else
+iswprint
+# endif
+ (wint_t wc)
{
return wc >= ' ' && wc <= '~';
}
static inline int
-iswpunct (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswpunct
+# else
+iswpunct
+# endif
+ (wint_t wc)
{
return (wc >= '!' && wc <= '~'
- && !((wc >= '0' && wc <= '9')
- || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z')));
+ && !((wc >= '0' && wc <= '9')
+ || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z')));
}
static inline int
-iswspace (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswspace
+# else
+iswspace
+# endif
+ (wint_t wc)
{
return (wc == ' ' || wc == '\t'
- || wc == '\n' || wc == '\v' || wc == '\f' || wc == '\r');
+ || wc == '\n' || wc == '\v' || wc == '\f' || wc == '\r');
}
static inline int
-iswupper (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswupper
+# else
+iswupper
+# endif
+ (wint_t wc)
{
return wc >= 'A' && wc <= 'Z';
}
static inline int
-iswxdigit (wint_t wc)
+# if @REPLACE_ISWCNTRL@
+rpl_iswxdigit
+# else
+iswxdigit
+# endif
+ (wint_t wc)
{
return ((wc >= '0' && wc <= '9')
- || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F'));
+ || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F'));
+}
+
+static inline wint_t
+# if @REPLACE_ISWCNTRL@
+rpl_towlower
+# else
+towlower
+# endif
+ (wint_t wc)
+{
+ return (wc >= 'A' && wc <= 'Z' ? wc - 'A' + 'a' : wc);
}
-# endif /* ! HAVE_ISWCNTRL */
+static inline wint_t
+# if @REPLACE_ISWCNTRL@
+rpl_towupper
+# else
+towupper
+# endif
+ (wint_t wc)
+{
+ return (wc >= 'a' && wc <= 'z' ? wc - 'a' + 'A' : wc);
+}
+
+#elif ! @HAVE_ISWBLANK@ || @REPLACE_ISWBLANK@
+/* Only the iswblank function is missing. */
+
+# if @REPLACE_ISWBLANK@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define iswblank rpl_iswblank
+# endif
+# endif
+
+static inline int
+# if @REPLACE_ISWBLANK@
+rpl_iswblank
+# else
+iswblank
+# endif
+ (wint_t wc)
+{
+ return wc == ' ' || wc == '\t';
+}
+
+#endif
+
+#if defined __MINGW32__
+
+/* On native Windows, wchar_t is uint16_t, and wint_t is uint32_t.
+ The functions towlower and towupper are implemented in the MSVCRT library
+ to take a wchar_t argument and return a wchar_t result. mingw declares
+ these functions to take a wint_t argument and return a wint_t result.
+ This means that:
+ 1. When the user passes an argument outside the range 0x0000..0xFFFF, the
+ function will look only at the lower 16 bits. This is allowed according
+ to POSIX.
+ 2. The return value is returned in the lower 16 bits of the result register.
+ The upper 16 bits are random: whatever happened to be in that part of the
+ result register. We need to fix this by adding a zero-extend from
+ wchar_t to wint_t after the call. */
+
+static inline wint_t
+rpl_towlower (wint_t wc)
+{
+ return (wint_t) (wchar_t) towlower (wc);
+}
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define towlower rpl_towlower
+# endif
+
+static inline wint_t
+rpl_towupper (wint_t wc)
+{
+ return (wint_t) (wchar_t) towupper (wc);
+}
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define towupper rpl_towupper
+# endif
+
+#endif /* __MINGW32__ */
+
+#if @REPLACE_ISWCNTRL@
+_GL_CXXALIAS_RPL (iswalnum, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswalpha, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswblank, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswcntrl, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswdigit, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswgraph, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswlower, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswprint, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswpunct, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswspace, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswupper, int, (wint_t wc));
+_GL_CXXALIAS_RPL (iswxdigit, int, (wint_t wc));
+#else
+_GL_CXXALIAS_SYS (iswalnum, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswalpha, int, (wint_t wc));
+# if @REPLACE_ISWBLANK@
+_GL_CXXALIAS_RPL (iswblank, int, (wint_t wc));
+# else
+_GL_CXXALIAS_SYS (iswblank, int, (wint_t wc));
+# endif
+_GL_CXXALIAS_SYS (iswcntrl, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswdigit, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswgraph, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswlower, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswprint, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswpunct, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswspace, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswupper, int, (wint_t wc));
+_GL_CXXALIAS_SYS (iswxdigit, int, (wint_t wc));
+#endif
+_GL_CXXALIASWARN (iswalnum);
+_GL_CXXALIASWARN (iswalpha);
+_GL_CXXALIASWARN (iswblank);
+_GL_CXXALIASWARN (iswcntrl);
+_GL_CXXALIASWARN (iswdigit);
+_GL_CXXALIASWARN (iswgraph);
+_GL_CXXALIASWARN (iswlower);
+_GL_CXXALIASWARN (iswprint);
+_GL_CXXALIASWARN (iswpunct);
+_GL_CXXALIASWARN (iswspace);
+_GL_CXXALIASWARN (iswupper);
+_GL_CXXALIASWARN (iswxdigit);
+
+#if @REPLACE_ISWCNTRL@ || defined __MINGW32__
+_GL_CXXALIAS_RPL (towlower, wint_t, (wint_t wc));
+_GL_CXXALIAS_RPL (towupper, wint_t, (wint_t wc));
+#else
+_GL_CXXALIAS_SYS (towlower, wint_t, (wint_t wc));
+_GL_CXXALIAS_SYS (towupper, wint_t, (wint_t wc));
+#endif
+_GL_CXXALIASWARN (towlower);
+_GL_CXXALIASWARN (towupper);
+
#endif /* _GL_WCTYPE_H */
#endif /* _GL_WCTYPE_H */
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