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ruanhaishen
redis
Commits
88e8d89f
Commit
88e8d89f
authored
May 13, 2010
by
antirez
Browse files
explicitly checks with ifdefs if our floating point and long long assumptions are verified
parent
fe244589
Changes
1
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redis.c
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88e8d89f
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@@ -3513,6 +3513,7 @@ static int rdbSaveDoubleValue(FILE *fp, double val) {
len = 1;
buf[0] = (val < 0) ? 255 : 254;
} else {
#if (DBL_MANT_DIG >= 52) && (LLONG_MAX == 0x7fffffffffffffffLL)
/* Check if the float is in a safe range to be casted into a
* long long. We are assuming that long long is 64 bit here.
* Also we are assuming that there are no implementations around where
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@@ -3527,6 +3528,7 @@ static int rdbSaveDoubleValue(FILE *fp, double val) {
if (val > min && val < max && val == ((double)((long long)val)))
ll2string((char*)buf+1,sizeof(buf),(long long)val);
else
#endif
snprintf((char*)buf+1,sizeof(buf)-1,"%.17g",val);
buf[0] = strlen((char*)buf+1);
len = buf[0]+1;
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