Author: compnerd
Date: Mon Jan 2 20:00:33 2017
New Revision: 290851
URL: http://llvm.org/viewvc/llvm-project?rev=290851&view=rev
Log:
system_error: provide a thread safe stringification for Windows
Provide a strerror_r replacement for Windows. This is needed to build
libc++ for Windows with threading.
Modified:
libcxx/trunk/src/system_error.cpp
Modified: libcxx/trunk/src/system_error.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/src/system_error.cpp?rev=290851&r1=290850&r2=290851&view=diff
==============================================================================
--- libcxx/trunk/src/system_error.cpp (original)
+++ libcxx/trunk/src/system_error.cpp Mon Jan 2 20:00:33 2017
@@ -65,8 +65,16 @@ constexpr size_t strerror_buff_size = 10
string do_strerror_r(int ev);
-#if defined(__linux__) && !defined(_LIBCPP_HAS_MUSL_LIBC)
\
- && (!defined(__ANDROID__) || __ANDROID_API__ >= 23)
+#if defined(_WIN32)
+string do_strerror_r(int ev) {
+ char buffer[strerror_buff_size];
+ if (::strerror_s(buffer, strerror_buff_size, ev) == 0)
+ return string(buffer);
+ std::snprintf(buffer, strerror_buff_size, "unknown error %d", ev);
+ return string(buffer);
+}
+#elif defined(__linux__) && !defined(_LIBCPP_HAS_MUSL_LIBC) &&
\
+ (!defined(__ANDROID__) || __ANDROID_API__ >= 23)
// GNU Extended version
string do_strerror_r(int ev) {
char buffer[strerror_buff_size];
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