1/*	$NetBSD: vint64ops.h,v 1.5 2020/05/25 20:47:20 christos Exp $	*/
2
3/*
4 * vint64ops.h - operations on 'vint64' values
5 *
6 * Written by Juergen Perlinger (perlinger@ntp.org) for the NTP project.
7 * The contents of 'html/copyright.html' apply.
8 * ----------------------------------------------------------------------
9 * This is an attempt to get the vint64 calculations stuff centralised.
10 */
11#ifndef VINT64OPS_H
12#define VINT64OPS_H
13
14/* signed/unsigned compare. returns 1/0/-1 if lhs >/=/< rhs */
15extern int icmpv64(const vint64 * lhs,	const vint64 * rhs);
16extern int ucmpv64(const vint64 * lhs,	const vint64 * rhs);
17
18/* add / subtract */
19extern vint64 addv64(const vint64 *lhs, const vint64 *rhs);
20extern vint64 addv64i32(const vint64 * lhs, int32_t rhs);
21extern vint64 addv64u32(const vint64 * lhs, uint32_t rhs);
22
23extern vint64 subv64(const vint64 *lhs, const vint64 *rhs);
24extern vint64 subv64i32(const vint64 * lhs, int32_t rhs);
25extern vint64 subv64u32(const vint64 * lhs, uint32_t rhs);
26
27/* parsing. works like strtoul() or strtoull() */
28extern vint64 strtouv64(const char * begp, char ** endp, int base);
29
30#endif /*!defined(VINT64OPS_H)*/
31