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Diffstat (limited to 'include/vint64ops.h')
| -rw-r--r-- | include/vint64ops.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/vint64ops.h b/include/vint64ops.h new file mode 100644 index 000000000000..2c3deffb3813 --- /dev/null +++ b/include/vint64ops.h @@ -0,0 +1,28 @@ +/* + * vint64ops.h - operations on 'vint64' values + * + * Written by Juergen Perlinger (perlinger@ntp.org) for the NTP project. + * The contents of 'html/copyright.html' apply. + * ---------------------------------------------------------------------- + * This is an attempt to get the vint64 calculations stuff centralised. + */ +#ifndef VINT64OPS_H +#define VINT64OPS_H + +/* signed/unsigned compare. returns 1/0/-1 if lhs >/=/< rhs */ +extern int icmpv64(const vint64 * lhs, const vint64 * rhs); +extern int ucmpv64(const vint64 * lhs, const vint64 * rhs); + +/* add / subtract */ +extern vint64 addv64(const vint64 *lhs, const vint64 *rhs); +extern vint64 addv64i32(const vint64 * lhs, int32_t rhs); +extern vint64 addv64u32(const vint64 * lhs, uint32_t rhs); + +extern vint64 subv64(const vint64 *lhs, const vint64 *rhs); +extern vint64 subv64i32(const vint64 * lhs, int32_t rhs); +extern vint64 subv64u32(const vint64 * lhs, uint32_t rhs); + +/* parsing. works like strtoul() or strtoull() */ +extern vint64 strtouv64(const char * begp, char ** endp, int base); + +#endif /*!defined(VINT64OPS_H)*/ |