From c1505fc01f46bdb0e4f6e719a05b7cccf40c53e2 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Fri, 5 Apr 1996 23:33:09 +0000 Subject: (sun_week): Make %U work properly. Before, `date -d '1 Jan 1995' +%U' output `00'. Now it prints `01'. --- lib/strftime.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/lib/strftime.c b/lib/strftime.c index e6b0c5a47..5cf5f0d17 100644 --- a/lib/strftime.c +++ b/lib/strftime.c @@ -242,13 +242,12 @@ sun_week (tm) { int dl; - /* Set `dl' to the day in the year of the last day of the week previous - to the one containing the day specified in TM. If the day specified - in TM is in the first week of the year, `dl' will be negative or 0. - Otherwise, calculate the number of complete weeks before our week - (dl / 7) and add any partial week at the start of the year (dl % 7). */ + /* %U Week of the year (Sunday as the first day of the week) as a decimal + number [00-53]. All days in a new year preceding the first Sunday are + considered to be in week 0. */ + dl = tm->tm_yday - tm->tm_wday; - return dl <= 0 ? 0 : dl / 7 + (dl % 7 != 0); + return dl < 0 ? 0 : dl / 7 + 1; } /* Return the week in the year of the time in TM, with the weeks -- cgit v1.2.3-70-g09d2