Re: [U-Boot] [PATCH v2 1/1] lib: vsprintf: avoid overflow printing UTF16 strings

10 Feb 2019


      On Sun, 10 Feb 2019 at 04:11, Heinrich Schuchardt xypron.glpk@gmx.de wrote:
...
We have to ensure while printing UTF16 strings that we do not exceed the
end of the print buffer.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de
v2
        Use the exact UTF8 length of the converted UTF16 character when
        checking if sufficient space is remaining in the buffer. This
        avoids missing up to 2 characters.

lib/vsprintf.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
Reviewed-by: Simon Glass sjg@chromium.org