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add makeint64 high32 low32 function

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This commit is contained in:
aozhiwei 2018-11-19 14:59:44 +08:00
parent e62be6c99f
commit ce7b882956
2 changed files with 20 additions and 0 deletions
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16
a8/sysutils.cc
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@ -163,4 +163,20 @@ namespace a8
strftime(buff, a8::ArraySize(buff), "%F %T", &tm_time); strftime(buff, a8::ArraySize(buff), "%F %T", &tm_time);
return std::string(buff); return std::string(buff);
} }
long long MakeInt64(int low32, int high32)
{
return low32 + ((long long)high32 >> 32);
}
int Low32(long long int64_val)
{
return (int)int64_val;
}
int High32(long long int64_val)
{
return (int)(int64_val << 32);
}
} }

4
a8/sysutils.h
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@ -65,6 +65,10 @@ namespace a8
std::string GetIpAddress(unsigned long ip_saddr); std::string GetIpAddress(unsigned long ip_saddr);
std::string FormatDateTime(time_t time_val); std::string FormatDateTime(time_t time_val);
long long MakeInt64(int low32, int high32);
int Low32(long long int64_val);
int High32(long long int64_val);
} }
#endif #endif