diff options
Diffstat (limited to 'sal/rtl/ustring.cxx')
| -rw-r--r-- | sal/rtl/ustring.cxx | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/sal/rtl/ustring.cxx b/sal/rtl/ustring.cxx index f10e755bbc7b..a79c9177a3ee 100644 --- a/sal/rtl/ustring.cxx +++ b/sal/rtl/ustring.cxx @@ -148,11 +148,26 @@ sal_Int32 SAL_CALL rtl_ustr_valueOfDouble(sal_Unicode * pStr, double d) return nLen; } +namespace { + +// Avoid -fsanitize=undefined warning e.g. "runtime error: value 1e+99 is +// outside the range of representable values of type 'float'": +float doubleToFloat(double x) { + return + x < -std::numeric_limits<float>::max() + ? -std::numeric_limits<float>::infinity() + : x > std::numeric_limits<float>::max() + ? std::numeric_limits<float>::infinity() + : static_cast<float>(x); +} + +} + float SAL_CALL rtl_ustr_toFloat(sal_Unicode const * pStr) SAL_THROW_EXTERN_C() { - return (float) rtl_math_uStringToDouble(pStr, + return doubleToFloat(rtl_math_uStringToDouble(pStr, pStr + rtl_ustr_getLength(pStr), - '.', 0, 0, 0); + '.', 0, 0, 0)); } double SAL_CALL rtl_ustr_toDouble(sal_Unicode const * pStr) SAL_THROW_EXTERN_C() |