[libcxx] r249889 - Split <wchar.h> out of <cwchar>.
Richard Smith via cfe-commits
cfe-commits at lists.llvm.org
Fri Oct 9 12:56:37 PDT 2015
Author: rsmith
Date: Fri Oct 9 14:56:37 2015
New Revision: 249889
URL: http://llvm.org/viewvc/llvm-project?rev=249889&view=rev
Log:
Split <wchar.h> out of <cwchar>.
Added:
libcxx/trunk/include/wchar.h
- copied, changed from r249736, libcxx/trunk/include/cwchar
Modified:
libcxx/trunk/include/cwchar
libcxx/trunk/test/std/depr/depr.c.headers/wchar_h.pass.cpp
Modified: libcxx/trunk/include/cwchar
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/cwchar?rev=249889&r1=249888&r2=249889&view=diff
==============================================================================
--- libcxx/trunk/include/cwchar (original)
+++ libcxx/trunk/include/cwchar Fri Oct 9 14:56:37 2015
@@ -106,9 +106,6 @@ size_t wcsrtombs(char* restrict dst, con
#include <__config>
#include <cwctype>
#include <wchar.h>
-#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
-#include <support/win32/support.h> // pull in *swprintf defines
-#endif // _LIBCPP_MSVCRT
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
@@ -161,16 +158,13 @@ using ::wcscoll;
using ::wcsncmp;
using ::wcsxfrm;
-#if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
-
+#ifdef _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS
using ::wcschr;
using ::wcspbrk;
using ::wcsrchr;
using ::wcsstr;
using ::wmemchr;
-
#else
-
inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcschr( wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
@@ -185,7 +179,6 @@ inline _LIBCPP_INLINE_VISIBILITY w
inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
inline _LIBCPP_INLINE_VISIBILITY wchar_t* wmemchr( wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
-
#endif
using ::wcscspn;
Copied: libcxx/trunk/include/wchar.h (from r249736, libcxx/trunk/include/cwchar)
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/wchar.h?p2=libcxx/trunk/include/wchar.h&p1=libcxx/trunk/include/cwchar&r1=249736&r2=249889&rev=249889&view=diff
==============================================================================
--- libcxx/trunk/include/cwchar (original)
+++ libcxx/trunk/include/wchar.h Fri Oct 9 14:56:37 2015
@@ -1,5 +1,5 @@
// -*- C++ -*-
-//===--------------------------- cwchar -----------------------------------===//
+//===--------------------------- wchar.h ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -8,11 +8,19 @@
//
//===----------------------------------------------------------------------===//
-#ifndef _LIBCPP_CWCHAR
-#define _LIBCPP_CWCHAR
+#if defined(__need_wint_t) || defined(__need_mbstate_t)
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+#include_next <wchar.h>
+
+#elif !defined(_LIBCPP_WCHAR_H)
+#define _LIBCPP_WCHAR_H
/*
- cwchar synopsis
+ wchar.h synopsis
Macros:
@@ -21,9 +29,6 @@ Macros:
WCHAR_MIN
WEOF
-namespace std
-{
-
Types:
mbstate_t
@@ -99,127 +104,33 @@ size_t mbsrtowcs(wchar_t* restrict dst,
size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len,
mbstate_t* restrict ps);
-} // std
-
*/
#include <__config>
-#include <cwctype>
-#include <wchar.h>
-#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
-#include <support/win32/support.h> // pull in *swprintf defines
-#endif // _LIBCPP_MSVCRT
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-using ::mbstate_t;
-using ::size_t;
-using ::tm;
-using ::wint_t;
-using ::FILE;
-using ::fwprintf;
-using ::fwscanf;
-using ::swprintf;
-using ::vfwprintf;
-using ::vswprintf;
-#ifndef _LIBCPP_MSVCRT
-using ::swscanf;
-using ::vfwscanf;
-using ::vswscanf;
-#endif // _LIBCPP_MSVCRT
-using ::fgetwc;
-using ::fgetws;
-using ::fputwc;
-using ::fputws;
-using ::fwide;
-using ::getwc;
-using ::putwc;
-using ::ungetwc;
-using ::wcstod;
-#ifndef _LIBCPP_MSVCRT
-using ::wcstof;
-using ::wcstold;
-#endif // _LIBCPP_MSVCRT
-using ::wcstol;
-#ifndef _LIBCPP_HAS_NO_LONG_LONG
-using ::wcstoll;
-#endif // _LIBCPP_HAS_NO_LONG_LONG
-using ::wcstoul;
-#ifndef _LIBCPP_HAS_NO_LONG_LONG
-using ::wcstoull;
-#endif // _LIBCPP_HAS_NO_LONG_LONG
-using ::wcscpy;
-using ::wcsncpy;
-using ::wcscat;
-using ::wcsncat;
-using ::wcscmp;
-using ::wcscoll;
-using ::wcsncmp;
-using ::wcsxfrm;
-
-#if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
-
-using ::wcschr;
-using ::wcspbrk;
-using ::wcsrchr;
-using ::wcsstr;
-using ::wmemchr;
-
-#else
-
-inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
-inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcschr( wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
-
-inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return ::wcspbrk(__s1, __s2);}
-inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcspbrk( wchar_t* __s1, const wchar_t* __s2) {return ::wcspbrk(__s1, __s2);}
-
-inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) {return ::wcsrchr(__s, __c);}
-inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcsrchr( wchar_t* __s, wchar_t __c) {return ::wcsrchr(__s, __c);}
-
-inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return ::wcsstr(__s1, __s2);}
-inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcsstr( wchar_t* __s1, const wchar_t* __s2) {return ::wcsstr(__s1, __s2);}
-
-inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
-inline _LIBCPP_INLINE_VISIBILITY wchar_t* wmemchr( wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
-
+#ifdef __cplusplus
+#define __CORRECT_ISO_CPP_WCHAR_H_PROTO
#endif
-using ::wcscspn;
-using ::wcslen;
-using ::wcsspn;
-using ::wcstok;
-using ::wmemcmp;
-using ::wmemcpy;
-using ::wmemmove;
-using ::wmemset;
-using ::wcsftime;
-using ::btowc;
-using ::wctob;
-using ::mbsinit;
-using ::mbrlen;
-using ::mbrtowc;
-using ::wcrtomb;
-using ::mbsrtowcs;
-using ::wcsrtombs;
-
-#ifndef _LIBCPP_HAS_NO_STDIN
-using ::getwchar;
-#ifndef _LIBCPP_MSVCRT
-using ::vwscanf;
-#endif // _LIBCPP_MSVCRT
-using ::wscanf;
-#endif
+#include_next <wchar.h>
-#ifndef _LIBCPP_HAS_NO_STDOUT
-using ::putwchar;
-using ::vwprintf;
-using ::wprintf;
+// Let <cwchar> know if we have const-correct overloads for wcschr and friends.
+#if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
+# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
+#elif defined(__GLIBC_PREREQ)
+# if __GLIBC_PREREQ(2, 10)
+# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
+# endif
#endif
-_LIBCPP_END_NAMESPACE_STD
+#if defined(__cplusplus) && (defined(_LIBCPP_MSVCRT) || defined(__MINGW32__))
+extern "C++" {
+#include <support/win32/support.h> // pull in *swprintf defines
+} // extern "C++"
+#endif // __cplusplus && _LIBCPP_MSVCRT
-#endif // _LIBCPP_CWCHAR
+#endif // _LIBCPP_WCHAR_H
Modified: libcxx/trunk/test/std/depr/depr.c.headers/wchar_h.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/depr/depr.c.headers/wchar_h.pass.cpp?rev=249889&r1=249888&r2=249889&view=diff
==============================================================================
--- libcxx/trunk/test/std/depr/depr.c.headers/wchar_h.pass.cpp (original)
+++ libcxx/trunk/test/std/depr/depr.c.headers/wchar_h.pass.cpp Fri Oct 9 14:56:37 2015
@@ -28,13 +28,9 @@
#error WEOF not defined
#endif
-#if defined(__clang__)
-#pragma clang diagnostic ignored "-Wmissing-braces"
-#endif
-
int main()
{
- mbstate_t mb = {};
+ mbstate_t mb = {0};
size_t s = 0;
tm *tm = 0;
wint_t w = 0;
@@ -54,19 +50,13 @@ int main()
static_assert((std::is_same<decltype(vfwscanf(fp, L"", va)), int>::value), "");
static_assert((std::is_same<decltype(vswprintf(ws, s, L"", va)), int>::value), "");
static_assert((std::is_same<decltype(vswscanf(L"", L"", va)), int>::value), "");
- static_assert((std::is_same<decltype(vwprintf(L"", va)), int>::value), "");
- static_assert((std::is_same<decltype(vwscanf(L"", va)), int>::value), "");
- static_assert((std::is_same<decltype(wprintf(L"")), int>::value), "");
- static_assert((std::is_same<decltype(wscanf(L"")), int>::value), "");
static_assert((std::is_same<decltype(fgetwc(fp)), wint_t>::value), "");
static_assert((std::is_same<decltype(fgetws(ws, 0, fp)), wchar_t*>::value), "");
static_assert((std::is_same<decltype(fputwc(L' ', fp)), wint_t>::value), "");
static_assert((std::is_same<decltype(fputws(L"", fp)), int>::value), "");
static_assert((std::is_same<decltype(fwide(fp, 0)), int>::value), "");
static_assert((std::is_same<decltype(getwc(fp)), wint_t>::value), "");
- static_assert((std::is_same<decltype(getwchar()), wint_t>::value), "");
static_assert((std::is_same<decltype(putwc(L' ', fp)), wint_t>::value), "");
- static_assert((std::is_same<decltype(putwchar(L' ')), wint_t>::value), "");
static_assert((std::is_same<decltype(ungetwc(L' ', fp)), wint_t>::value), "");
static_assert((std::is_same<decltype(wcstod(L"", (wchar_t**)0)), double>::value), "");
static_assert((std::is_same<decltype(wcstof(L"", (wchar_t**)0)), float>::value), "");
@@ -83,14 +73,19 @@ int main()
static_assert((std::is_same<decltype(wcscoll(L"", L"")), int>::value), "");
static_assert((std::is_same<decltype(wcsncmp(L"", L"", s)), int>::value), "");
static_assert((std::is_same<decltype(wcsxfrm(ws, L"", s)), size_t>::value), "");
+ static_assert((std::is_same<decltype(wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
static_assert((std::is_same<decltype(wcschr((wchar_t*)0, L' ')), wchar_t*>::value), "");
static_assert((std::is_same<decltype(wcscspn(L"", L"")), size_t>::value), "");
static_assert((std::is_same<decltype(wcslen(L"")), size_t>::value), "");
+ static_assert((std::is_same<decltype(wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), "");
static_assert((std::is_same<decltype(wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), "");
+ static_assert((std::is_same<decltype(wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
static_assert((std::is_same<decltype(wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), "");
static_assert((std::is_same<decltype(wcsspn(L"", L"")), size_t>::value), "");
+ static_assert((std::is_same<decltype(wcsstr((const wchar_t*)0, L"")), const wchar_t*>::value), "");
static_assert((std::is_same<decltype(wcsstr((wchar_t*)0, L"")), wchar_t*>::value), "");
static_assert((std::is_same<decltype(wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), "");
+ static_assert((std::is_same<decltype(wmemchr((const wchar_t*)0, L' ', s)), const wchar_t*>::value), "");
static_assert((std::is_same<decltype(wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), "");
static_assert((std::is_same<decltype(wmemcmp(L"", L"", s)), int>::value), "");
static_assert((std::is_same<decltype(wmemcpy(ws, L"", s)), wchar_t*>::value), "");
@@ -105,4 +100,16 @@ int main()
static_assert((std::is_same<decltype(wcrtomb(ns, L' ', &mb)), size_t>::value), "");
static_assert((std::is_same<decltype(mbsrtowcs(ws, (const char**)0, s, &mb)), size_t>::value), "");
static_assert((std::is_same<decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb)), size_t>::value), "");
+
+#ifndef _LIBCPP_HAS_NO_STDIN
+ static_assert((std::is_same<decltype(getwchar()), wint_t>::value), "");
+ static_assert((std::is_same<decltype(vwscanf(L"", va)), int>::value), "");
+ static_assert((std::is_same<decltype(wscanf(L"")), int>::value), "");
+#endif
+
+#ifndef _LIBCPP_HAS_NO_STDOUT
+ static_assert((std::is_same<decltype(putwchar(L' ')), wint_t>::value), "");
+ static_assert((std::is_same<decltype(vwprintf(L"", va)), int>::value), "");
+ static_assert((std::is_same<decltype(wprintf(L"")), int>::value), "");
+#endif
}
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