diff options
Diffstat (limited to 'toolchain/gcc/patches/llvm/307-locale_facets.patch')
| -rw-r--r-- | toolchain/gcc/patches/llvm/307-locale_facets.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/llvm/307-locale_facets.patch b/toolchain/gcc/patches/llvm/307-locale_facets.patch new file mode 100644 index 000000000..42d7c5a0a --- /dev/null +++ b/toolchain/gcc/patches/llvm/307-locale_facets.patch @@ -0,0 +1,26 @@ +This patch fixes a bug into ostream::operator<<(double) due to the wrong size +passed into the __convert_from_v method. The wrong size is then passed to +std::snprintf function, that, on uClibc, doens't handle sized 0 buffer. + +Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> + +--- a/libstdc++-v3/include/bits/locale_facets.tcc ++++ b/libstdc++-v3/include/bits/locale_facets.tcc +@@ -1149,7 +1149,7 @@ _GLIBCXX_BEGIN_LDBL_NAMESPACE + const int __cs_size = __fixed ? __max_exp + __prec + 4 + : __max_digits * 2 + __prec; + char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); +- __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf, ++ __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, __fbuf, + __prec, __v); + #endif + +@@ -1789,7 +1789,7 @@ _GLIBCXX_BEGIN_LDBL_NAMESPACE + // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'. + const int __cs_size = numeric_limits<long double>::max_exponent10 + 3; + char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); +- int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf", ++ int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, "%.*Lf", + 0, __units); + #endif + string_type __digits(__len, char_type()); |