From 0e5b2871ca6456b01d4bf037a6e68badf1ff1a41 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Henryk=20Pl=C3=B6tz?= Date: Fri, 3 Oct 2014 19:58:52 +0200 Subject: Initial commit of djbdns-1.05.tar.gz Source was http://cr.yp.to/djbdns/djbdns-1.05.tar.gz, SHA1 2efdb3a039d0c548f40936aa9cb30829e0ce8c3d --- taia_sub.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 taia_sub.c (limited to 'taia_sub.c') diff --git a/taia_sub.c b/taia_sub.c new file mode 100644 index 0000000..6944689 --- /dev/null +++ b/taia_sub.c @@ -0,0 +1,21 @@ +#include "taia.h" + +/* XXX: breaks tai encapsulation */ + +void taia_sub(struct taia *t,const struct taia *u,const struct taia *v) +{ + unsigned long unano = u->nano; + unsigned long uatto = u->atto; + + t->sec.x = u->sec.x - v->sec.x; + t->nano = unano - v->nano; + t->atto = uatto - v->atto; + if (t->atto > uatto) { + t->atto += 1000000000UL; + --t->nano; + } + if (t->nano > unano) { + t->nano += 1000000000UL; + --t->sec.x; + } +} -- cgit v1.2.3