29 lines
1.1 KiB
C
29 lines
1.1 KiB
C
/*
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* vint64ops.h - operations on 'vint64' values
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*
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* Written by Juergen Perlinger (perlinger@ntp.org) for the NTP project.
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* The contents of 'html/copyright.html' apply.
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* ----------------------------------------------------------------------
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* This is an attempt to get the vint64 calculations stuff centralised.
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*/
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#ifndef VINT64OPS_H
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#define VINT64OPS_H
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/* signed/unsigned compare. returns 1/0/-1 if lhs >/=/< rhs */
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extern int icmpv64(const vint64 * lhs, const vint64 * rhs);
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extern int ucmpv64(const vint64 * lhs, const vint64 * rhs);
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/* add / subtract */
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extern vint64 addv64(const vint64 *lhs, const vint64 *rhs);
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extern vint64 addv64i32(const vint64 * lhs, int32_t rhs);
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extern vint64 addv64u32(const vint64 * lhs, uint32_t rhs);
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extern vint64 subv64(const vint64 *lhs, const vint64 *rhs);
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extern vint64 subv64i32(const vint64 * lhs, int32_t rhs);
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extern vint64 subv64u32(const vint64 * lhs, uint32_t rhs);
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/* parsing. works like strtoul() or strtoull() */
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extern vint64 strtouv64(const char * begp, char ** endp, int base);
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#endif /*!defined(VINT64OPS_H)*/
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