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| author | Simon Glass <sjg@chromium.org> | 2016-01-05 09:30:57 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-20 19:06:22 -0700 |
| commit | 74b1320ae535b9dfe6fb7a86e05a8787e503f59c (patch) | |
| tree | 55d356417d5a0e3f8f1b3823914306d78f71092d /lib | |
| parent | 5589a8182957054f8ac4ec3d91492710e718e44d (diff) | |
| download | u-boot-74b1320ae535b9dfe6fb7a86e05a8787e503f59c.zip u-boot-74b1320ae535b9dfe6fb7a86e05a8787e503f59c.tar.gz u-boot-74b1320ae535b9dfe6fb7a86e05a8787e503f59c.tar.bz2 | |
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>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/tiny-printf.c | 16 |
1 files 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))); |