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| author | Frank Gevaerts <frank@gevaerts.be> | 2009-08-11 19:30:19 +0000 |
|---|---|---|
| committer | Frank Gevaerts <frank@gevaerts.be> | 2009-08-11 19:30:19 +0000 |
| commit | 2dc50471ca17eaeb24b45abce4c0f8944cd781d5 (patch) | |
| tree | 3e704d88f999b8ab071f6ca7753c06e692486cbf /firmware/common/timefuncs.c | |
| parent | eadfa483d1b014e39953669d79fb997d8cd1085d (diff) | |
| download | rockbox-2dc50471ca17eaeb24b45abce4c0f8944cd781d5.zip rockbox-2dc50471ca17eaeb24b45abce4c0f8944cd781d5.tar.gz rockbox-2dc50471ca17eaeb24b45abce4c0f8944cd781d5.tar.bz2 rockbox-2dc50471ca17eaeb24b45abce4c0f8944cd781d5.tar.xz | |
Consolidate day of week calculation
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22258 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/common/timefuncs.c')
| -rw-r--r-- | firmware/common/timefuncs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/firmware/common/timefuncs.c b/firmware/common/timefuncs.c index e59534e..774fba9 100644 --- a/firmware/common/timefuncs.c +++ b/firmware/common/timefuncs.c @@ -194,12 +194,15 @@ time_t mktime(struct tm *t) } #endif -int day_of_week(int m, int d, int y) +void set_day_of_week(struct tm *tm) { + int y=tm->tm_year+1900; + int d=tm->tm_mday; + int m=tm->tm_mon; static const char mo[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 }; if(m == 0 || m == 1) y--; - return (d + mo[m] + y + y/4 - y/100 + y/400) % 7; + tm->tm_wday = (d + mo[m] + y + y/4 - y/100 + y/400) % 7; } void yearday_to_daymonth(int yd, int y, int *d, int *m) |