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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-08-25 11:22:51 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-08-25 11:22:51 +0000
commitb690801c78e33e1d7a8e54fe4d06f300bfa518b4 (patch)
tree44467fde6353ebf30926f03695f43a810382875d
parentc03e77fc51c2a47c3d12a7d0c40f52350a142a61 (diff)
downloadbuildroot-novena-b690801c78e33e1d7a8e54fe4d06f300bfa518b4.tar.gz
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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>
-rw-r--r--toolchain/gcc/4.2.1/307-locale_facets.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/toolchain/gcc/4.2.1/307-locale_facets.patch b/toolchain/gcc/4.2.1/307-locale_facets.patch
new file mode 100644
index 000000000..412f8657d
--- /dev/null
+++ b/toolchain/gcc/4.2.1/307-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>
+
+--- gcc-4.2.1/libstdc++-v3/include/bits/locale_facets.tcc 2006-10-17 18:43:47.000000000 +0200
++++ gcc-4.2.1-st/libstdc++-v3/include/bits/locale_facets.tcc 2007-08-22 18:54:23.000000000 +0200
+@@ -1143,7 +1143,7 @@ _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
+
+@@ -1777,7 +1777,7 @@ _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());