From 29031d1e274360f5fe8c53e56d1b0ae71628795f Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Mon, 25 Mar 2024 11:00:36 +0000
Subject: [chore]: Bump github.com/gin-contrib/sessions from 0.0.5 to 1.0.0
 (#2782)

---
 .../mongo-driver/bson/primitive/decimal.go              | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go')

diff --git a/vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go b/vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go
index ba7c9112e..08c39514b 100644
--- a/vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go
+++ b/vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go
@@ -164,9 +164,6 @@ func (d Decimal128) BigInt() (*big.Int, int, error) {
 
 	// Would be handled by the logic below, but that's trivial and common.
 	if high == 0 && low == 0 && exp == 0 {
-		if posSign {
-			return new(big.Int), 0, nil
-		}
 		return new(big.Int), 0, nil
 	}
 
@@ -328,6 +325,7 @@ func ParseDecimal128(s string) (Decimal128, error) {
 		return dErr(s)
 	}
 
+	// Parse the significand (i.e. the non-exponent part) as a big.Int.
 	bi, ok := new(big.Int).SetString(intPart+decPart, 10)
 	if !ok {
 		return dErr(s)
@@ -360,6 +358,19 @@ func ParseDecimal128FromBigInt(bi *big.Int, exp int) (Decimal128, bool) {
 	q := new(big.Int)
 	r := new(big.Int)
 
+	// If the significand is zero, the logical value will always be zero, independent of the
+	// exponent. However, the loops for handling out-of-range exponent values below may be extremely
+	// slow for zero values because the significand never changes. Limit the exponent value to the
+	// supported range here to prevent entering the loops below.
+	if bi.Cmp(zero) == 0 {
+		if exp > MaxDecimal128Exp {
+			exp = MaxDecimal128Exp
+		}
+		if exp < MinDecimal128Exp {
+			exp = MinDecimal128Exp
+		}
+	}
+
 	for bigIntCmpAbs(bi, maxS) == 1 {
 		bi, _ = q.QuoRem(bi, ten, r)
 		if r.Cmp(zero) != 0 {
-- 
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