/* A substitute for ISO C99 <wctype.h>, for platforms that lack it.
- Copyright (C) 2006-2016 Free Software Foundation, Inc.
+ Copyright (C) 2006-2019 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
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, see <http://www.gnu.org/licenses/>. */
+ along with this program; if not, see <https://www.gnu.org/licenses/>. */
/* 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>
+ * <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/wctype.h.html>
*
* iswctype, towctrans, towlower, towupper, wctrans, wctype,
* wctrans_t, and wctype_t are not yet implemented.
# include <wchar.h>
#endif
-/* mingw has declarations of towupper and towlower in <ctype.h> as
- well <wctype.h>. Include <ctype.h> in advance to avoid rpl_ prefix
- being added to the declarations. */
-#ifdef __MINGW32__
+/* Native Windows (mingw, MSVC) have declarations of towupper, towlower, and
+ isw* functions in <ctype.h>, <wchar.h> as well as in <wctype.h>. Include
+ <ctype.h>, <wchar.h> in advance to avoid rpl_ prefix being added to the
+ declarations. */
+#if defined _WIN32 && ! defined __CYGWIN__
# include <ctype.h>
+# include <wchar.h>
#endif
/* Include the original <wctype.h> if it exists.
# define WEOF -1
# endif
#else
-/* MSVC defines wint_t as 'unsigned short' in <crtdefs.h>.
- This is too small: ISO C 99 section 7.24.1.(2) says that wint_t must be
- "unchanged by default argument promotions". Override it. */
-# if defined _MSC_VER
+/* mingw and MSVC define wint_t as 'unsigned short' in <crtdefs.h> or
+ <stddef.h>. This is too small: ISO C 99 section 7.24.1.(2) says that
+ wint_t must be "unchanged by default argument promotions". Override it. */
+# if @GNULIB_OVERRIDES_WINT_T@
# if !GNULIB_defined_wint_t
-# include <crtdefs.h>
+# if @HAVE_CRTDEFS_H@
+# include <crtdefs.h>
+# else
+# include <stddef.h>
+# endif
typedef unsigned int rpl_wint_t;
# undef wint_t
# define wint_t rpl_wint_t
/* 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.
+ mingw and MSVC have <wctype.h> and the functions but they take a wchar_t
+ as argument, not an rpl_wint_t.
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
- 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
-# undef towlower
-# undef towupper
+# if @GNULIB_OVERRIDES_WINT_T@ /* implies @REPLACE_ISWCNTRL@ */
+
+_GL_WCTYPE_INLINE int
+rpl_iswalnum (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswalnum ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswalpha (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswalpha ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswblank (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswblank ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswcntrl (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswcntrl ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswdigit (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswdigit ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswgraph (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswgraph ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswlower (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswlower ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswprint (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswprint ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswpunct (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswpunct ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswspace (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswspace ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswupper (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswupper ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE int
+rpl_iswxdigit (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? iswxdigit ((wchar_t) wc) : 0);
+}
+
+_GL_WCTYPE_INLINE wint_t
+rpl_towlower (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? (wchar_t) towlower ((wchar_t) wc) : wc);
+}
+
+_GL_WCTYPE_INLINE wint_t
+rpl_towupper (wint_t wc)
+{
+ return ((wchar_t) wc == wc ? (wchar_t) towupper ((wchar_t) wc) : wc);
+}
-/* Linux libc5 has <wctype.h> and the functions but they are broken. */
-# if @REPLACE_ISWCNTRL@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# 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
# define iswalnum rpl_iswalnum
# define iswalpha rpl_iswalpha
# define iswblank rpl_iswblank
# define iswspace rpl_iswspace
# define iswupper rpl_iswupper
# define iswxdigit rpl_iswxdigit
-# endif
-# endif
-# if @REPLACE_TOWLOWER@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define towlower rpl_towlower
# define towupper rpl_towupper
# endif
-# endif
+
+# else
+
+/* 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
+# undef towlower
+# undef towupper
+
+/* Linux libc5 has <wctype.h> and the functions but they are broken. */
+# if @REPLACE_ISWCNTRL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define iswalnum rpl_iswalnum
+# define iswalpha rpl_iswalpha
+# define iswblank rpl_iswblank
+# define iswcntrl rpl_iswcntrl
+# define iswdigit rpl_iswdigit
+# define iswgraph rpl_iswgraph
+# define iswlower rpl_iswlower
+# define iswprint rpl_iswprint
+# define iswpunct rpl_iswpunct
+# define iswspace rpl_iswspace
+# define iswupper rpl_iswupper
+# define iswxdigit rpl_iswxdigit
+# endif
+# endif
+# if @REPLACE_TOWLOWER@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define towlower rpl_towlower
+# define towupper rpl_towupper
+# endif
+# endif
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswalnum
-# else
+# else
iswalnum
-# endif
+# endif
(wint_t wc)
{
return ((wc >= '0' && wc <= '9')
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswalpha
-# else
+# else
iswalpha
-# endif
+# endif
(wint_t wc)
{
return (wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'Z';
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswblank
-# else
+# else
iswblank
-# endif
+# endif
(wint_t wc)
{
return wc == ' ' || wc == '\t';
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswcntrl
-# else
+# else
iswcntrl
-# endif
+# endif
(wint_t wc)
{
return (wc & ~0x1f) == 0 || wc == 0x7f;
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswdigit
-# else
+# else
iswdigit
-# endif
+# endif
(wint_t wc)
{
return wc >= '0' && wc <= '9';
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswgraph
-# else
+# else
iswgraph
-# endif
+# endif
(wint_t wc)
{
return wc >= '!' && wc <= '~';
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswlower
-# else
+# else
iswlower
-# endif
+# endif
(wint_t wc)
{
return wc >= 'a' && wc <= 'z';
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswprint
-# else
+# else
iswprint
-# endif
+# endif
(wint_t wc)
{
return wc >= ' ' && wc <= '~';
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswpunct
-# else
+# else
iswpunct
-# endif
+# endif
(wint_t wc)
{
return (wc >= '!' && wc <= '~'
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswspace
-# else
+# else
iswspace
-# endif
+# endif
(wint_t wc)
{
return (wc == ' ' || wc == '\t'
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswupper
-# else
+# else
iswupper
-# endif
+# endif
(wint_t wc)
{
return wc >= 'A' && wc <= 'Z';
}
_GL_WCTYPE_INLINE int
-# if @REPLACE_ISWCNTRL@
+# if @REPLACE_ISWCNTRL@
rpl_iswxdigit
-# else
+# else
iswxdigit
-# endif
+# endif
(wint_t wc)
{
return ((wc >= '0' && wc <= '9')
}
_GL_WCTYPE_INLINE wint_t
-# if @REPLACE_TOWLOWER@
+# if @REPLACE_TOWLOWER@
rpl_towlower
-# else
+# else
towlower
-# endif
+# endif
(wint_t wc)
{
return (wc >= 'A' && wc <= 'Z' ? wc - 'A' + 'a' : wc);
}
_GL_WCTYPE_INLINE wint_t
-# if @REPLACE_TOWLOWER@
+# if @REPLACE_TOWLOWER@
rpl_towupper
-# else
+# else
towupper
-# endif
+# endif
(wint_t wc)
{
return (wc >= 'a' && wc <= 'z' ? wc - 'a' + 'A' : wc);
}
+# endif
+
# elif @GNULIB_ISWBLANK@ && (! @HAVE_ISWBLANK@ || @REPLACE_ISWBLANK@)
/* Only the iswblank function is missing. */
# endif
-# if defined __MINGW32__
+# if defined __MINGW32__ && !@GNULIB_OVERRIDES_WINT_T@
/* 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
# define towupper rpl_towupper
# endif
-# endif /* __MINGW32__ */
+# endif /* __MINGW32__ && !@GNULIB_OVERRIDES_WINT_T@ */
# define GNULIB_defined_wctype_functions 1
#endif
_GL_CXXALIAS_SYS (iswupper, int, (wint_t wc));
_GL_CXXALIAS_SYS (iswxdigit, int, (wint_t wc));
#endif
+#if __GLIBC__ >= 2
_GL_CXXALIASWARN (iswalnum);
_GL_CXXALIASWARN (iswalpha);
_GL_CXXALIASWARN (iswcntrl);
_GL_CXXALIASWARN (iswspace);
_GL_CXXALIASWARN (iswupper);
_GL_CXXALIASWARN (iswxdigit);
+#endif
#if @GNULIB_ISWBLANK@
# if @REPLACE_ISWCNTRL@ || @REPLACE_ISWBLANK@
# else
_GL_CXXALIAS_SYS (iswblank, int, (wint_t wc));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (iswblank);
+# endif
#endif
#if !@HAVE_WCTYPE_T@
_GL_FUNCDECL_SYS (wctype, wctype_t, (const char *name));
# endif
_GL_CXXALIAS_SYS (wctype, wctype_t, (const char *name));
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (wctype);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef wctype
# if HAVE_RAW_DECL_WCTYPE
The argument WC must be either a wchar_t value or WEOF.
The argument DESC must have been returned by the wctype() function. */
#if @GNULIB_ISWCTYPE@
-# if !@HAVE_WCTYPE_T@
+# if @GNULIB_OVERRIDES_WINT_T@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef iswctype
+# define iswctype rpl_iswctype
+# endif
+_GL_FUNCDECL_RPL (iswctype, int, (wint_t wc, wctype_t desc));
+_GL_CXXALIAS_RPL (iswctype, int, (wint_t wc, wctype_t desc));
+# else
+# if !@HAVE_WCTYPE_T@
_GL_FUNCDECL_SYS (iswctype, int, (wint_t wc, wctype_t desc));
-# endif
+# endif
_GL_CXXALIAS_SYS (iswctype, int, (wint_t wc, wctype_t desc));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (iswctype);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef iswctype
# if HAVE_RAW_DECL_ISWCTYPE
_GL_CXXALIAS_SYS (towlower, wint_t, (wint_t wc));
_GL_CXXALIAS_SYS (towupper, wint_t, (wint_t wc));
#endif
+#if __GLIBC__ >= 2
_GL_CXXALIASWARN (towlower);
_GL_CXXALIASWARN (towupper);
+#endif
#if !@HAVE_WCTRANS_T@
# if !GNULIB_defined_wctrans_t
_GL_FUNCDECL_SYS (wctrans, wctrans_t, (const char *name));
# endif
_GL_CXXALIAS_SYS (wctrans, wctrans_t, (const char *name));
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (wctrans);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef wctrans
# if HAVE_RAW_DECL_WCTRANS
_GL_FUNCDECL_SYS (towctrans, wint_t, (wint_t wc, wctrans_t desc));
# endif
_GL_CXXALIAS_SYS (towctrans, wint_t, (wint_t wc, wctrans_t desc));
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (towctrans);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef towctrans
# if HAVE_RAW_DECL_TOWCTRANS