This current code passes the variable arguments list to sprintf(). This is not correct. Fix it by calling _vprintf() directly.
This makes firefly-rk3288 boot again.
Fixes: abeb272 ("tiny-printf: Support snprintf()") Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: - Correct the 'Fixes' line
lib/tiny-printf.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c index 5ea2555..3c65fc9 100644 --- a/lib/tiny-printf.c +++ b/lib/tiny-printf.c @@ -168,8 +168,10 @@ int snprintf(char *buf, size_t size, const char *fmt, ...) int ret;
va_start(va, fmt); - ret = sprintf(buf, fmt, va); + outstr = buf; + ret = _vprintf(fmt, va, putc_outstr); va_end(va); + *outstr = '\0';
return ret; }