12b15cb3dSCy Schubert /* 22b15cb3dSCy Schubert * vint64ops.h - operations on 'vint64' values 32b15cb3dSCy Schubert * 42b15cb3dSCy Schubert * Written by Juergen Perlinger (perlinger@ntp.org) for the NTP project. 52b15cb3dSCy Schubert * The contents of 'html/copyright.html' apply. 62b15cb3dSCy Schubert * ---------------------------------------------------------------------- 72b15cb3dSCy Schubert * This is an attempt to get the vint64 calculations stuff centralised. 82b15cb3dSCy Schubert */ 92b15cb3dSCy Schubert #ifndef VINT64OPS_H 102b15cb3dSCy Schubert #define VINT64OPS_H 112b15cb3dSCy Schubert 122b15cb3dSCy Schubert /* signed/unsigned compare. returns 1/0/-1 if lhs >/=/< rhs */ 132b15cb3dSCy Schubert extern int icmpv64(const vint64 * lhs, const vint64 * rhs); 142b15cb3dSCy Schubert extern int ucmpv64(const vint64 * lhs, const vint64 * rhs); 152b15cb3dSCy Schubert 162b15cb3dSCy Schubert /* add / subtract */ 172b15cb3dSCy Schubert extern vint64 addv64(const vint64 *lhs, const vint64 *rhs); 182b15cb3dSCy Schubert extern vint64 addv64i32(const vint64 * lhs, int32_t rhs); 192b15cb3dSCy Schubert extern vint64 addv64u32(const vint64 * lhs, uint32_t rhs); 202b15cb3dSCy Schubert 212b15cb3dSCy Schubert extern vint64 subv64(const vint64 *lhs, const vint64 *rhs); 222b15cb3dSCy Schubert extern vint64 subv64i32(const vint64 * lhs, int32_t rhs); 232b15cb3dSCy Schubert extern vint64 subv64u32(const vint64 * lhs, uint32_t rhs); 242b15cb3dSCy Schubert 252b15cb3dSCy Schubert /* parsing. works like strtoul() or strtoull() */ 26*f5f40dd6SCy Schubert extern vint64 strtouv64(char * begp, char ** endp, int base); 272b15cb3dSCy Schubert 282b15cb3dSCy Schubert #endif /*!defined(VINT64OPS_H)*/ 29