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when appending log field only do so by minimal amount

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kim 2024-11-08 13:47:56 +00:00
parent 45e1609377
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 @@
"fmt"
"log/syslog"
"os"
"slices"
"strings"
"time"
@ -420,11 +419,20 @@ func logf(ctx context.Context, depth int, lvl LEVEL, fields []kv.Field, s string
}
if s != "" {
// Append message to log fields.
fields = slices.Grow(fields, 1)
fields = append(fields, kv.Field{
if len(fields) >= cap(fields) {
// Reallocate fields to store JUST 1 more.
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...),
})
}
}
// Append formatted fields to log buffer.