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support: clean up MSVC support

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Visual Studio 2013 (CRT version 12) added support for many C99 long long and
long double functions. Visual Studio 2015 (CRT version 14) increased C99 and C11
compliance further. Since we don't support Visual Studio versions older than
2013, we can considerably clean up the support header.

Patch by Shoaib Meenai!

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@280988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool
2016-09-08 20:52:48 +00:00
parent b9e6e8972a
commit 46658931bb
1 changed files with 2 additions and 20 deletions
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22
include/support/win32/support.h
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@@ -22,7 +22,7 @@
#include <intrin.h>
#endif
#if defined(_LIBCPP_MSVCRT)
#include <xlocinfo.h>
#include <crtversion.h>
#endif
#define swprintf _snwprintf
#define vswprintf _vsnwprintf
@@ -44,26 +44,8 @@ size_t wcsnrtombs(char *__restrict dst, const wchar_t **__restrict src,
}
#endif // __MINGW32__
#if defined(_LIBCPP_MSVCRT)
#if defined(_VC_CRT_MAJOR_VERSION) && _VC_CRT_MAJOR_VERSION < 14
#define snprintf _snprintf
#define atoll _atoi64
#define strtoll _strtoi64
#define strtoull _strtoui64
#define wcstoll _wcstoi64
#define wcstoull _wcstoui64
_LIBCPP_ALWAYS_INLINE float strtof(const char *nptr, char **endptr)
{
return _Stof(nptr, endptr, 0);
}
_LIBCPP_ALWAYS_INLINE double strtod(const char *nptr, char **endptr)
{
return _Stod(nptr, endptr, 0);
}
_LIBCPP_ALWAYS_INLINE long double strtold(const char *nptr, char **endptr)
{
return _Stold(nptr, endptr, 0);
}
#define _Exit _exit
#endif