PR 10165

[deliverable/binutils-gdb.git] / binutils / winduni.c

diff --git a/binutils/winduni.c b/binutils/winduni.c
index f811de7d73256bfd9897e329607b863c7d8ba979..8b39af1f5956ae541b37ee4f8c5c927d26a271d8 100644 (file)
--- a/binutils/winduni.c
+++ b/binutils/winduni.c
@@ -661,7 +661,15 @@ wind_MultiByteToWideChar (rc_uint_type cp, const char *mb,
   rc_uint_type ret = 0;
 
 #if defined (_WIN32) || defined (__CYGWIN__)
-  ret = (rc_uint_type) MultiByteToWideChar (cp, MB_PRECOMPOSED,
+  rc_uint_type conv_flags = MB_PRECOMPOSED;
+
+  /* MB_PRECOMPOSED is not allowed for UTF-7 or UTF-8.  
+     MultiByteToWideChar will set the last error to
+     ERROR_INVALID_FLAGS if we do. */
+  if (cp == CP_UTF8 || cp == CP_UTF7)
+    conv_flags = 0;
+
+  ret = (rc_uint_type) MultiByteToWideChar (cp, conv_flags,
                                            mb, -1, u, u_len);
   /* Convert to bytes. */
   ret *= sizeof (unichar);