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Fix possible int64 overflow and remove unnecessary code

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This commit is contained in:
Thiago Arruda 2015-07-31 13:36:54 -03:00
parent 669901768e
commit 632e313f4a
2 changed files with 8 additions and 2 deletions
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8
decimal.go
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@ -86,11 +86,15 @@ func NewFromString(value string) (Decimal, error) {
// Check if number is using scientific notation
eIndex := strings.IndexAny(value, "Ee")
if eIndex != -1 {
expInt, err := strconv.ParseInt(value[eIndex+1:len(value)], 10, 64)
expInt, err := strconv.ParseInt(value[eIndex+1:], 10, 32)
if err != nil {
rerr := err.(*strconv.NumError)
if rerr.Err == strconv.ErrRange {
return Decimal{}, fmt.Errorf("can't convert %s to decimal: fractional part too long", value)
}
return Decimal{}, fmt.Errorf("can't convert %s to decimal: exponent is not numeric", value)
}
value = value[0:eIndex]
value = value[:eIndex]
exp = expInt
}

2
decimal_test.go
View file

@ -4,6 +4,7 @@ import (
"encoding/json"
"encoding/xml"
"math"
"strconv"
"strings"
"testing"
"time"
@ -135,6 +136,7 @@ func TestNewFromStringErrs(t *testing.T) {
"123.456e1.3",
"1e-1.2",
"123.456e-1.3",
"123.456e" + strconv.FormatInt(math.MinInt64, 10),
}
for _, s := range tests {