At present this does not print zero values in numeric format (hex and decimal). Add a special case for this.
Signed-off-by: Simon Glass sjg@chromium.org ---
lib/tiny-printf.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c index efe5c25..a06abed 100644 --- a/lib/tiny-printf.c +++ b/lib/tiny-printf.c @@ -82,13 +82,21 @@ int vprintf(const char *fmt, va_list va) num = -(int)num; out('-'); } - for (div = 1000000000; div; div /= 10) - div_out(&num, div); + if (!num) { + out_dgt(0); + } else { + for (div = 1000000000; div; div /= 10) + div_out(&num, div); + } break; case 'x': num = va_arg(va, unsigned int); - for (div = 0x10000000; div; div /= 0x10) - div_out(&num, div); + if (!num) { + out_dgt(0); + } else { + for (div = 0x10000000; div; div /= 0x10) + div_out(&num, div); + } break; case 'c': out((char)(va_arg(va, int)));