'+' flag can be used with signed integer type (%d) and causes positive
integers to be prefixed with '+' (e.g. +1745). This emphasizes output
values as a signed value. It can be mixed with left-justification flag
'-': %-+8d. It's ignored when used with unsigned integer or non-integer
types: %u, %x, %p, %s, %c, etc.
BUG=none
BRANCH=none
TEST=make buildall &&
int32_t d = 1745;
CPRINTS("'%-+8d'", -d); /* '-1745 ' */
CPRINTS("'%-+8d'", d); /* '+1745 ' */
CPRINTS("'%d'", d); /* '1745' */
CPRINTS("'%+08d'", -d); /* '000-1745' */
CPRINTS("'%+08d'", d); /* '000+1745' */
CPRINTS("'%+d'", -d); /* '-1745' */
CPRINTS("'%+d'", d); /* '+1745' */
CPRINTS("'%+s'", "foo"); /* 'foo' */
CPRINTS("'%-+8s'", "foo"); /* 'foo ' */
CPRINTS("'%+08x'", d); /* '000006d1' */
CPRINTS("'%+u'", d); /* '1745' */
Change-Id: I8dcd34b0cf03dbefc500b9c98fea235d85bde8d3
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/363924
Also add snprintf(), and %X format code.
BUG=chrome-os-partner:10206
TEST=timerinfo; should print correctly. 'ectool battery' on host side should print same serial as 'battery' on EC console.
Change-Id: I5c9f69d1a20ee5d0a59440c122655adbf62c9aea
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/24635
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Rong Chang <rongchang@chromium.org>
