Handle illegal bytes properly when converting to '7bit' encoding

Previously, mbstring would silently drop illegal bytes when converting a
string to '7bit' encoding.

diff --git a/ext/mbstring/libmbfl/filters/mbfilter_7bit.c b/ext/mbstring/libmbfl/filters/mbfilter_7bit.c
index 38956c12710a2acca6703b9bfe97c75f5799bdd4..331dc8e743cf5d1a524c7a252a4208bc2d0004fe 100644 (file)
--- a/ext/mbstring/libmbfl/filters/mbfilter_7bit.c
+++ b/ext/mbstring/libmbfl/filters/mbfilter_7bit.c
@@ -83,6 +83,8 @@ int mbfl_filt_conv_any_7bit(int c, mbfl_convert_filter *filter)
 {
        if (c >= 0 && c < 0x80) {
                CK((*filter->output_function)(c, filter->data));
+       } else {
+               mbfl_filt_conv_illegal_output(c, filter);
        }
        return c;
 }