a

1 files changed, 31 insertions, 0 deletions

diff --git a/compat/strerror.cpp b/compat/strerror.cpp
new file mode 100644
index 00000000..67b87e2f
--- /dev/null
+++ b/compat/strerror.cpp
@@ -0,0 +1,31 @@
+#include "strerror.hpp"
+#include <errno.h>
+#include <string.h>
+
+namespace floormat {
+
+StringView get_error_string(ArrayView<char> buf)
+{
+#ifndef _WIN32
+    if constexpr(std::is_same_v<char*, std::decay_t<decltype(::strerror_r(errno, buf.data(), buf.size()))>>)
+    {
+        const char* str { ::strerror_r(errno, buf.data(), buf.size()) };
+        if (str)
+            return str;
+    }
+    else
+    {
+        const int status { ::strerror_r(errno, buf.data(), buf.size()) };
+        if (status == 0)
+            return buf;
+    }
+#else
+    ::strerror_s(buf.data(), buf.size(), errno);
+    if (buf[0])
+        return buf;
+#endif
+
+    return "Unknown error"_s;
+};
+
+} // namespace floormat