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author | Leo C | 2019-05-29 23:08:12 +0200 |
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committer | Leo C | 2019-05-29 23:08:12 +0200 |
commit | bb497e9d2ea1437c570e179e99f024d2bc456d6f (patch) | |
tree | 5c89aa2eb77cd79ba84b349b81097c9b08379ecc /time/isLeap.c | |
parent | 8a500c7f3634212263ab1291c139d9c6a8967b8b (diff) | |
download | z180-stamp-bb497e9d2ea1437c570e179e99f024d2bc456d6f.zip |
Remove local copy of avr-libc time lib.
Diffstat (limited to 'time/isLeap.c')
-rw-r--r-- | time/isLeap.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/time/isLeap.c b/time/isLeap.c deleted file mode 100644 index 3c846aa..0000000 --- a/time/isLeap.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * (C)2012 Michael Duane Rice All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. Redistributions in binary - * form must reproduce the above copyright notice, this list of conditions - * and the following disclaimer in the documentation and/or other materials - * provided with the distribution. Neither the name of the copyright holders - * nor the names of contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* $Id: isLeap.c 2325 2013-04-02 21:22:16Z swfltek $ */ - -/* - Return 1 if 'year' is a leap year, else 0. -*/ - -#include <stdlib.h> - -unsigned char -is_leap_year(int year) -{ - div_t d; - - /* year must be divisible by 4 to be a leap year */ - if (year & 3) - return 0; - - /* If theres a remainder after division by 100, year is not divisible by 100 or 400 */ - d = div(year, 100); - if (d.rem) - return 1; - - /* If the quotient is divisible by 4, then year is divisible by 400 */ - if ((d.quot & 3) == 0) - return 1; - - return 0; -} |