windows: Use correct variant of FormatMessage.

[libserialport.git] / serialport.c

diff --git a/serialport.c b/serialport.c
index 0a466887da1eddcbe72f642e007c0fb90417bdf1..eee453a276155d667a1a32894c62788891bc42aa 100644 (file)
--- a/serialport.c
+++ b/serialport.c
@@ -2478,17 +2478,17 @@ SP_API char *sp_last_error_message(void)
        TRACE_VOID();
 
 #ifdef _WIN32
-       TCHAR *message;
+       char *message;
        DWORD error = GetLastError();
 
-       DWORD length = FormatMessage(
+       DWORD length = FormatMessageA(
                FORMAT_MESSAGE_ALLOCATE_BUFFER |
                FORMAT_MESSAGE_FROM_SYSTEM |
                FORMAT_MESSAGE_IGNORE_INSERTS,
                NULL,
                error,
                MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-               (LPTSTR) &message,
+               (LPSTR) &message,
                0, NULL );
 
        if (length >= 2 && message[length - 2] == '\r')