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pack: fix json floating point format regression #2592

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merged 3 commits into from
Sep 28, 2020
+6 −1
Merged

pack: fix json floating point format regression #2592

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ad1f465
pack: fix json floating point format regression
jpaskhay Sep 25, 2020
56af090
pack: fix json floating point format regression
jpaskhay Sep 25, 2020
a8fa99a
Merge branch 'json_float_fix' of https://github.com/jpaskhay/fluent-b…
jpaskhay Sep 26, 2020
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7 changes: 6 additions & 1 deletion src/flb_pack.c
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Original file line number Diff line number Diff line change
@@ -478,7 +478,12 @@ static int msgpack2json(char *buf, int *off, size_t left,
case MSGPACK_OBJECT_FLOAT64:
{
char temp[512] = {0};
i = snprintf(temp, sizeof(temp)-1, "%.16g", o->via.f64);
if (o->via.f64 == (double)(long long int)o->via.f64) {
i = snprintf(temp, sizeof(temp)-1, "%.1f", o->via.f64);
}
else {
i = snprintf(temp, sizeof(temp)-1, "%.16g", o->via.f64);
}
ret = try_to_write(buf, off, left, temp, i);
}
break;