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net/http: initialize Value with File length in cloneMultipartForm

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Improve the initialization of the Value map in cloneMultipartForm by
utilizing the length of the File map to optimize memory allocation.

Change-Id: I97ba9e19b2718a75c270e6df21306f4c82656c71
GitHub-Last-Rev: a9683ba9a7cbb20213766fba8d9096b4f8591d86
GitHub-Pull-Request: golang/go#69943
Reviewed-on: https://go-review.googlesource.com/c/go/+/621235
Reviewed-by: Christian Ekrem <christianekrem@gmail.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
This commit is contained in:
1911860538 2025-04-09 22:28:56 +00:00 committed by Gopher Robot
parent a42e337ede
commit 7a82b6a9e1
1 changed files with 1 additions and 1 deletions
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2
src/net/http/clone.go
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@ -68,7 +68,7 @@ func cloneMultipartForm(f *multipart.Form) *multipart.Form {
Value: (map[string][]string)(Header(f.Value).Clone()),
}
if f.File != nil {
m := make(map[string][]*multipart.FileHeader)
m := make(map[string][]*multipart.FileHeader, len(f.File))
for k, vv := range f.File {
vv2 := make([]*multipart.FileHeader, len(vv))
for i, v := range vv {