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fix pcap.Formatter fallthrough logic in formatField

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This commit is contained in:
Patricio Whittingslow
2026-01-25 23:43:02 -03:00
parent 2e5cbd6f76
commit 4cffe26c30
1 changed files with 4 additions and 4 deletions
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internet/pcap/format.go
+4 -4
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@@ -110,6 +110,10 @@ func (f *Formatter) formatField(dst []byte, pktStartOff int, field FrameField, p
switch field.Class { switch field.Class {
default: default:
fallthrough fallthrough
case FieldClassChecksum, FieldClassID, FieldClassFlags, FieldClassOptions:
// Binary data to be printed as hexadecimal.
dst = append(dst, "0x"...)
dst = hex.AppendEncode(dst, f.buf)
case FieldClassTimestamp: case FieldClassTimestamp:
// inspired by [time.RFC3339] // inspired by [time.RFC3339]
const littlerfc3339 = "2006-01-02T15:04:05.9999" const littlerfc3339 = "2006-01-02T15:04:05.9999"
@@ -118,10 +122,6 @@ func (f *Formatter) formatField(dst []byte, pktStartOff int, field FrameField, p
} }
ts := ntp.TimestampFromUint64(binary.BigEndian.Uint64(f.buf)) ts := ntp.TimestampFromUint64(binary.BigEndian.Uint64(f.buf))
dst = ts.Time().AppendFormat(dst, littlerfc3339) dst = ts.Time().AppendFormat(dst, littlerfc3339)
case FieldClassChecksum, FieldClassID, FieldClassFlags, FieldClassOptions:
// Binary data to be printed as hexadecimal.
dst = append(dst, "0x"...)
dst = hex.AppendEncode(dst, f.buf)
case FieldClassText: case FieldClassText:
dst = strconv.AppendQuote(dst, string(f.buf)) dst = strconv.AppendQuote(dst, string(f.buf))
case FieldClassDst, FieldClassSrc, FieldClassSize, FieldClassAddress, FieldClassOperation: case FieldClassDst, FieldClassSrc, FieldClassSize, FieldClassAddress, FieldClassOperation: