diff options
Diffstat (limited to 'lib/wchar.in.h')
| -rw-r--r-- | lib/wchar.in.h | 192 |
1 files changed, 149 insertions, 43 deletions
diff --git a/lib/wchar.in.h b/lib/wchar.in.h index 49e502f..b6e4362 100644 --- a/lib/wchar.in.h +++ b/lib/wchar.in.h @@ -1,6 +1,6 @@ /* A substitute for ISO C99 <wchar.h>, for platforms that have issues. - Copyright (C) 2007-2011 Free Software Foundation, Inc. + Copyright (C) 2007-2013 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 @@ -13,8 +13,7 @@ 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. */ + along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* Written by Eric Blake. */ @@ -49,7 +48,7 @@ #else /* Normal invocation convention. */ -#ifndef _GL_WCHAR_H +#ifndef _@GUARD_PREFIX@_WCHAR_H #define _GL_ALREADY_INCLUDING_WCHAR_H @@ -61,9 +60,13 @@ <wchar.h>. BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included before <wchar.h>. + In some builds of uClibc, <wchar.h> is nonexistent and wchar_t is defined + by <stddef.h>. But avoid namespace pollution on glibc systems. */ -#ifndef __GLIBC__ +#if !(defined __GLIBC__ && !defined __UCLIBC__) # include <stddef.h> +#endif +#ifndef __GLIBC__ # include <stdio.h> # include <time.h> #endif @@ -77,8 +80,16 @@ #undef _GL_ALREADY_INCLUDING_WCHAR_H -#ifndef _GL_WCHAR_H -#define _GL_WCHAR_H +#ifndef _@GUARD_PREFIX@_WCHAR_H +#define _@GUARD_PREFIX@_WCHAR_H + +/* The __attribute__ feature is available in gcc versions 2.5 and later. + The attribute __pure__ was added in gcc 2.96. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +#else +# define _GL_ATTRIBUTE_PURE /* empty */ +#endif /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ @@ -94,6 +105,18 @@ # 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 +# if !GNULIB_defined_wint_t +# include <crtdefs.h> +typedef unsigned int rpl_wint_t; +# undef wint_t +# define wint_t rpl_wint_t +# define GNULIB_defined_wint_t 1 +# endif +# endif # ifndef WEOF # define WEOF ((wint_t) -1) # endif @@ -120,11 +143,11 @@ typedef int rpl_mbstate_t; # undef btowc # define btowc rpl_btowc # endif -_GL_FUNCDECL_RPL (btowc, wint_t, (int c)); +_GL_FUNCDECL_RPL (btowc, wint_t, (int c) _GL_ATTRIBUTE_PURE); _GL_CXXALIAS_RPL (btowc, wint_t, (int c)); # else # if !@HAVE_BTOWC@ -_GL_FUNCDECL_SYS (btowc, wint_t, (int c)); +_GL_FUNCDECL_SYS (btowc, wint_t, (int c) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (btowc, wint_t, (int c)); # endif @@ -145,12 +168,12 @@ _GL_WARN_ON_USE (btowc, "btowc is unportable - " # undef wctob # define wctob rpl_wctob # endif -_GL_FUNCDECL_RPL (wctob, int, (wint_t wc)); +_GL_FUNCDECL_RPL (wctob, int, (wint_t wc) _GL_ATTRIBUTE_PURE); _GL_CXXALIAS_RPL (wctob, int, (wint_t wc)); # else # if !defined wctob && !@HAVE_DECL_WCTOB@ /* wctob is provided by gnulib, or wctob exists but is not declared. */ -_GL_FUNCDECL_SYS (wctob, int, (wint_t wc)); +_GL_FUNCDECL_SYS (wctob, int, (wint_t wc) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wctob, int, (wint_t wc)); # endif @@ -411,12 +434,12 @@ _GL_WARN_ON_USE (wcsnrtombs, "wcsnrtombs is unportable - " # undef wcwidth # define wcwidth rpl_wcwidth # endif -_GL_FUNCDECL_RPL (wcwidth, int, (wchar_t)); +_GL_FUNCDECL_RPL (wcwidth, int, (wchar_t) _GL_ATTRIBUTE_PURE); _GL_CXXALIAS_RPL (wcwidth, int, (wchar_t)); # else # if !@HAVE_DECL_WCWIDTH@ /* wcwidth exists but is not declared. */ -_GL_FUNCDECL_SYS (wcwidth, int, (wchar_t)); +_GL_FUNCDECL_SYS (wcwidth, int, (wchar_t) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcwidth, int, (wchar_t)); # endif @@ -433,10 +456,25 @@ _GL_WARN_ON_USE (wcwidth, "wcwidth is unportable - " /* Search N wide characters of S for C. */ #if @GNULIB_WMEMCHR@ # if !@HAVE_WMEMCHR@ -_GL_FUNCDECL_SYS (wmemchr, wchar_t *, (const wchar_t *s, wchar_t c, size_t n)); -# endif -_GL_CXXALIAS_SYS (wmemchr, wchar_t *, (const wchar_t *s, wchar_t c, size_t n)); +_GL_FUNCDECL_SYS (wmemchr, wchar_t *, (const wchar_t *s, wchar_t c, size_t n) + _GL_ATTRIBUTE_PURE); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { + const wchar_t * std::wmemchr (const wchar_t *, wchar_t, size_t); + wchar_t * std::wmemchr (wchar_t *, wchar_t, size_t); + } */ +_GL_CXXALIAS_SYS_CAST2 (wmemchr, + wchar_t *, (const wchar_t *, wchar_t, size_t), + const wchar_t *, (const wchar_t *, wchar_t, size_t)); +# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ + && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) +_GL_CXXALIASWARN1 (wmemchr, wchar_t *, (wchar_t *s, wchar_t c, size_t n)); +_GL_CXXALIASWARN1 (wmemchr, const wchar_t *, + (const wchar_t *s, wchar_t c, size_t n)); +# else _GL_CXXALIASWARN (wmemchr); +# endif #elif defined GNULIB_POSIXCHECK # undef wmemchr # if HAVE_RAW_DECL_WMEMCHR @@ -450,7 +488,8 @@ _GL_WARN_ON_USE (wmemchr, "wmemchr is unportable - " #if @GNULIB_WMEMCMP@ # if !@HAVE_WMEMCMP@ _GL_FUNCDECL_SYS (wmemcmp, int, - (const wchar_t *s1, const wchar_t *s2, size_t n)); + (const wchar_t *s1, const wchar_t *s2, size_t n) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wmemcmp, int, (const wchar_t *s1, const wchar_t *s2, size_t n)); @@ -520,7 +559,7 @@ _GL_WARN_ON_USE (wmemset, "wmemset is unportable - " /* Return the number of wide characters in S. */ #if @GNULIB_WCSLEN@ # if !@HAVE_WCSLEN@ -_GL_FUNCDECL_SYS (wcslen, size_t, (const wchar_t *s)); +_GL_FUNCDECL_SYS (wcslen, size_t, (const wchar_t *s) _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcslen, size_t, (const wchar_t *s)); _GL_CXXALIASWARN (wcslen); @@ -536,7 +575,8 @@ _GL_WARN_ON_USE (wcslen, "wcslen is unportable - " /* Return the number of wide characters in S, but at most MAXLEN. */ #if @GNULIB_WCSNLEN@ # if !@HAVE_WCSNLEN@ -_GL_FUNCDECL_SYS (wcsnlen, size_t, (const wchar_t *s, size_t maxlen)); +_GL_FUNCDECL_SYS (wcsnlen, size_t, (const wchar_t *s, size_t maxlen) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcsnlen, size_t, (const wchar_t *s, size_t maxlen)); _GL_CXXALIASWARN (wcsnlen); @@ -655,7 +695,8 @@ _GL_WARN_ON_USE (wcsncat, "wcsncat is unportable - " /* Compare S1 and S2. */ #if @GNULIB_WCSCMP@ # if !@HAVE_WCSCMP@ -_GL_FUNCDECL_SYS (wcscmp, int, (const wchar_t *s1, const wchar_t *s2)); +_GL_FUNCDECL_SYS (wcscmp, int, (const wchar_t *s1, const wchar_t *s2) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcscmp, int, (const wchar_t *s1, const wchar_t *s2)); _GL_CXXALIASWARN (wcscmp); @@ -672,7 +713,8 @@ _GL_WARN_ON_USE (wcscmp, "wcscmp is unportable - " #if @GNULIB_WCSNCMP@ # if !@HAVE_WCSNCMP@ _GL_FUNCDECL_SYS (wcsncmp, int, - (const wchar_t *s1, const wchar_t *s2, size_t n)); + (const wchar_t *s1, const wchar_t *s2, size_t n) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcsncmp, int, (const wchar_t *s1, const wchar_t *s2, size_t n)); @@ -689,7 +731,8 @@ _GL_WARN_ON_USE (wcsncmp, "wcsncmp is unportable - " /* Compare S1 and S2, ignoring case. */ #if @GNULIB_WCSCASECMP@ # if !@HAVE_WCSCASECMP@ -_GL_FUNCDECL_SYS (wcscasecmp, int, (const wchar_t *s1, const wchar_t *s2)); +_GL_FUNCDECL_SYS (wcscasecmp, int, (const wchar_t *s1, const wchar_t *s2) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcscasecmp, int, (const wchar_t *s1, const wchar_t *s2)); _GL_CXXALIASWARN (wcscasecmp); @@ -706,7 +749,8 @@ _GL_WARN_ON_USE (wcscasecmp, "wcscasecmp is unportable - " #if @GNULIB_WCSNCASECMP@ # if !@HAVE_WCSNCASECMP@ _GL_FUNCDECL_SYS (wcsncasecmp, int, - (const wchar_t *s1, const wchar_t *s2, size_t n)); + (const wchar_t *s1, const wchar_t *s2, size_t n) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcsncasecmp, int, (const wchar_t *s1, const wchar_t *s2, size_t n)); @@ -774,10 +818,24 @@ _GL_WARN_ON_USE (wcsdup, "wcsdup is unportable - " /* Find the first occurrence of WC in WCS. */ #if @GNULIB_WCSCHR@ # if !@HAVE_WCSCHR@ -_GL_FUNCDECL_SYS (wcschr, wchar_t *, (const wchar_t *wcs, wchar_t wc)); -# endif -_GL_CXXALIAS_SYS (wcschr, wchar_t *, (const wchar_t *wcs, wchar_t wc)); +_GL_FUNCDECL_SYS (wcschr, wchar_t *, (const wchar_t *wcs, wchar_t wc) + _GL_ATTRIBUTE_PURE); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { + const wchar_t * std::wcschr (const wchar_t *, wchar_t); + wchar_t * std::wcschr (wchar_t *, wchar_t); + } */ +_GL_CXXALIAS_SYS_CAST2 (wcschr, + wchar_t *, (const wchar_t *, wchar_t), + const wchar_t *, (const wchar_t *, wchar_t)); +# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ + && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) +_GL_CXXALIASWARN1 (wcschr, wchar_t *, (wchar_t *wcs, wchar_t wc)); +_GL_CXXALIASWARN1 (wcschr, const wchar_t *, (const wchar_t *wcs, wchar_t wc)); +# else _GL_CXXALIASWARN (wcschr); +# endif #elif defined GNULIB_POSIXCHECK # undef wcschr # if HAVE_RAW_DECL_WCSCHR @@ -790,10 +848,24 @@ _GL_WARN_ON_USE (wcschr, "wcschr is unportable - " /* Find the last occurrence of WC in WCS. */ #if @GNULIB_WCSRCHR@ # if !@HAVE_WCSRCHR@ -_GL_FUNCDECL_SYS (wcsrchr, wchar_t *, (const wchar_t *wcs, wchar_t wc)); -# endif -_GL_CXXALIAS_SYS (wcsrchr, wchar_t *, (const wchar_t *wcs, wchar_t wc)); +_GL_FUNCDECL_SYS (wcsrchr, wchar_t *, (const wchar_t *wcs, wchar_t wc) + _GL_ATTRIBUTE_PURE); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { + const wchar_t * std::wcsrchr (const wchar_t *, wchar_t); + wchar_t * std::wcsrchr (wchar_t *, wchar_t); + } */ +_GL_CXXALIAS_SYS_CAST2 (wcsrchr, + wchar_t *, (const wchar_t *, wchar_t), + const wchar_t *, (const wchar_t *, wchar_t)); +# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ + && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) +_GL_CXXALIASWARN1 (wcsrchr, wchar_t *, (wchar_t *wcs, wchar_t wc)); +_GL_CXXALIASWARN1 (wcsrchr, const wchar_t *, (const wchar_t *wcs, wchar_t wc)); +# else _GL_CXXALIASWARN (wcsrchr); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsrchr # if HAVE_RAW_DECL_WCSRCHR @@ -807,7 +879,8 @@ _GL_WARN_ON_USE (wcsrchr, "wcsrchr is unportable - " of wide characters not in REJECT. */ #if @GNULIB_WCSCSPN@ # if !@HAVE_WCSCSPN@ -_GL_FUNCDECL_SYS (wcscspn, size_t, (const wchar_t *wcs, const wchar_t *reject)); +_GL_FUNCDECL_SYS (wcscspn, size_t, (const wchar_t *wcs, const wchar_t *reject) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcscspn, size_t, (const wchar_t *wcs, const wchar_t *reject)); _GL_CXXALIASWARN (wcscspn); @@ -824,7 +897,8 @@ _GL_WARN_ON_USE (wcscspn, "wcscspn is unportable - " of wide characters in ACCEPT. */ #if @GNULIB_WCSSPN@ # if !@HAVE_WCSSPN@ -_GL_FUNCDECL_SYS (wcsspn, size_t, (const wchar_t *wcs, const wchar_t *accept)); +_GL_FUNCDECL_SYS (wcsspn, size_t, (const wchar_t *wcs, const wchar_t *accept) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcsspn, size_t, (const wchar_t *wcs, const wchar_t *accept)); _GL_CXXALIASWARN (wcsspn); @@ -841,11 +915,26 @@ _GL_WARN_ON_USE (wcsspn, "wcsspn is unportable - " #if @GNULIB_WCSPBRK@ # if !@HAVE_WCSPBRK@ _GL_FUNCDECL_SYS (wcspbrk, wchar_t *, - (const wchar_t *wcs, const wchar_t *accept)); -# endif -_GL_CXXALIAS_SYS (wcspbrk, wchar_t *, - (const wchar_t *wcs, const wchar_t *accept)); + (const wchar_t *wcs, const wchar_t *accept) + _GL_ATTRIBUTE_PURE); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { + const wchar_t * std::wcspbrk (const wchar_t *, const wchar_t *); + wchar_t * std::wcspbrk (wchar_t *, const wchar_t *); + } */ +_GL_CXXALIAS_SYS_CAST2 (wcspbrk, + wchar_t *, (const wchar_t *, const wchar_t *), + const wchar_t *, (const wchar_t *, const wchar_t *)); +# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ + && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) +_GL_CXXALIASWARN1 (wcspbrk, wchar_t *, + (wchar_t *wcs, const wchar_t *accept)); +_GL_CXXALIASWARN1 (wcspbrk, const wchar_t *, + (const wchar_t *wcs, const wchar_t *accept)); +# else _GL_CXXALIASWARN (wcspbrk); +# endif #elif defined GNULIB_POSIXCHECK # undef wcspbrk # if HAVE_RAW_DECL_WCSPBRK @@ -859,11 +948,26 @@ _GL_WARN_ON_USE (wcspbrk, "wcspbrk is unportable - " #if @GNULIB_WCSSTR@ # if !@HAVE_WCSSTR@ _GL_FUNCDECL_SYS (wcsstr, wchar_t *, - (const wchar_t *haystack, const wchar_t *needle)); -# endif -_GL_CXXALIAS_SYS (wcsstr, wchar_t *, - (const wchar_t *haystack, const wchar_t *needle)); + (const wchar_t *haystack, const wchar_t *needle) + _GL_ATTRIBUTE_PURE); +# endif + /* On some systems, this function is defined as an overloaded function: + extern "C++" { + const wchar_t * std::wcsstr (const wchar_t *, const wchar_t *); + wchar_t * std::wcsstr (wchar_t *, const wchar_t *); + } */ +_GL_CXXALIAS_SYS_CAST2 (wcsstr, + wchar_t *, (const wchar_t *, const wchar_t *), + const wchar_t *, (const wchar_t *, const wchar_t *)); +# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \ + && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) +_GL_CXXALIASWARN1 (wcsstr, wchar_t *, + (wchar_t *haystack, const wchar_t *needle)); +_GL_CXXALIASWARN1 (wcsstr, const wchar_t *, + (const wchar_t *haystack, const wchar_t *needle)); +# else _GL_CXXALIASWARN (wcsstr); +# endif #elif defined GNULIB_POSIXCHECK # undef wcsstr # if HAVE_RAW_DECL_WCSSTR @@ -899,11 +1003,13 @@ _GL_WARN_ON_USE (wcstok, "wcstok is unportable - " # undef wcswidth # define wcswidth rpl_wcswidth # endif -_GL_FUNCDECL_RPL (wcswidth, int, (const wchar_t *s, size_t n)); +_GL_FUNCDECL_RPL (wcswidth, int, (const wchar_t *s, size_t n) + _GL_ATTRIBUTE_PURE); _GL_CXXALIAS_RPL (wcswidth, int, (const wchar_t *s, size_t n)); # else # if !@HAVE_WCSWIDTH@ -_GL_FUNCDECL_SYS (wcswidth, int, (const wchar_t *s, size_t n)); +_GL_FUNCDECL_SYS (wcswidth, int, (const wchar_t *s, size_t n) + _GL_ATTRIBUTE_PURE); # endif _GL_CXXALIAS_SYS (wcswidth, int, (const wchar_t *s, size_t n)); # endif @@ -917,6 +1023,6 @@ _GL_WARN_ON_USE (wcswidth, "wcswidth is unportable - " #endif -#endif /* _GL_WCHAR_H */ -#endif /* _GL_WCHAR_H */ +#endif /* _@GUARD_PREFIX@_WCHAR_H */ +#endif /* _@GUARD_PREFIX@_WCHAR_H */ #endif |