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29 lines
493 B
C
29 lines
493 B
C
#ifndef __STAMP_INCLUDE_H__
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#define __STAMP_INCLUDE_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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static double stamp_sub(const struct timeval *from, const struct timeval *sub)
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{
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struct timeval res;
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memcpy(&res, from, sizeof(struct timeval));
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res.tv_usec -= sub->tv_usec;
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if (res.tv_usec < 0) {
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--res.tv_sec;
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res.tv_usec += 1000000;
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}
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res.tv_sec -= sub->tv_sec;
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return (res.tv_sec * 1000.0 + res.tv_usec/1000.0);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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