diff options
| -rw-r--r-- | src/gui/text/qtextformat.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gui/text/qtextformat.cpp b/src/gui/text/qtextformat.cpp index 46db253..fdbb680 100644 --- a/src/gui/text/qtextformat.cpp +++ b/src/gui/text/qtextformat.cpp @@ -265,10 +265,18 @@ private: friend QDataStream &operator>>(QDataStream &, QTextFormat &); }; -// this is only safe if sizeof(int) == sizeof(float) +// this is only safe because sizeof(int) == sizeof(float) static inline uint hash(float d) { +#ifdef Q_CC_GNU + // this is a GCC extension and isn't guaranteed to work in other compilers + // the reinterpret_cast below generates a strict-aliasing warning with GCC + union { float f; uint u; } cvt; + cvt.f = d; + return cvt.u; +#else return reinterpret_cast<uint&>(d); +#endif } static inline uint hash(const QColor &color) |