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| author | Edward Welbourne <edward.welbourne@qt.io> | 2021-01-06 12:28:27 +0100 |
|---|---|---|
| committer | Edward Welbourne <edward.welbourne@qt.io> | 2021-01-08 12:41:28 +0100 |
| commit | 7fea8a079f65b090c7d82e0d285ef85e30328da7 (patch) | |
| tree | ea1e75cfc104639974d6e8c4b00c182fb26e6adc /src/corelib/global/qglobal.cpp | |
| parent | 4724d017ef2ff84e71fac3d0d04bd25373140c09 (diff) | |
Assert that wchar_t's size matches one of the unicode character types
This is assumed in various places, so best checked explicitly.
Change-Id: I475dcf5cbb60c0272dec560acd2893cff73872ce
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/corelib/global/qglobal.cpp')
| -rw-r--r-- | src/corelib/global/qglobal.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index ee857d61ac..65c72d9abe 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -139,6 +139,8 @@ static_assert(std::numeric_limits<int>::radix == 2, "Qt assumes binary integers"); static_assert((std::numeric_limits<int>::max() + std::numeric_limits<int>::lowest()) == -1, "Qt assumes two's complement integers"); +static_assert(sizeof(wchar_t) == sizeof(char32_t) || sizeof(wchar_t) == sizeof(char16_t), + "Qt assumes wchar_t is compatible with either char32_t or char16_t"); // While we'd like to check for __STDC_IEC_559__, as per ISO/IEC 9899:2011 // Annex F (C11, normative for C++11), there are a few corner cases regarding |