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when appending log field only do so by minimal amount

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This commit is contained in:
kim 2024-11-08 13:47:56 +00:00
commit 74b364ee14
1 changed files with 13 additions and 5 deletions
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18
internal/log/log.go
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@ -22,7 +22,6 @@ import (
"fmt" "fmt"
"log/syslog" "log/syslog"
"os" "os"
"slices"
"strings" "strings"
"time" "time"
@ -420,11 +419,20 @@ func logf(ctx context.Context, depth int, lvl LEVEL, fields []kv.Field, s string
} }
if s != "" { if s != "" {
// Append message to log fields. if len(fields) >= cap(fields) {
fields = slices.Grow(fields, 1) // Reallocate fields to store JUST 1 more.
fields = append(fields, kv.Field{ fields2 := make([]kv.Field, len(fields)+1)
_ = copy(fields2, fields)
fields = fields2
} else {
// Reslice to JUST store one more.
fields = fields[:len(fields)+1]
}
// Append msg as final log field.
fields[len(fields)-1] = kv.Field{
K: "msg", V: fmt.Sprintf(s, a...), K: "msg", V: fmt.Sprintf(s, a...),
}) }
} }
// Append formatted fields to log buffer. // Append formatted fields to log buffer.