tiny-printf: Always print zeroes
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>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
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 @@
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)));