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-rw-r--r--src/common/error.cpp56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/common/error.cpp b/src/common/error.cpp
new file mode 100644
index 000000000..d4455e310
--- /dev/null
+++ b/src/common/error.cpp
@@ -0,0 +1,56 @@
+// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstddef>
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <cerrno>
+#include <cstring>
+#endif
+
+#include "common/error.h"
+
+namespace Common {
+
+std::string NativeErrorToString(int e) {
+#ifdef _WIN32
+ LPSTR err_str;
+
+ DWORD res = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ nullptr, e, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ reinterpret_cast<LPSTR>(&err_str), 1, nullptr);
+ if (!res) {
+ return "(FormatMessageA failed to format error)";
+ }
+ std::string ret(err_str);
+ LocalFree(err_str);
+ return ret;
+#else
+ char err_str[255];
+#if defined(__GLIBC__) && (_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600))
+ // Thread safe (GNU-specific)
+ const char* str = strerror_r(e, err_str, sizeof(err_str));
+ return std::string(str);
+#else
+ // Thread safe (XSI-compliant)
+ int second_err = strerror_r(e, err_str, sizeof(err_str));
+ if (second_err != 0) {
+ return "(strerror_r failed to format error)";
+ }
+ return std::string(err_str);
+#endif // GLIBC etc.
+#endif // _WIN32
+}
+
+std::string GetLastErrorMsg() {
+#ifdef _WIN32
+ return NativeErrorToString(GetLastError());
+#else
+ return NativeErrorToString(errno);
+#endif
+}
+
+} // namespace Common