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eliminate dead branch #73

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8 changes: 1 addition & 7 deletions wdns/unpack_name.c
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Original file line number Diff line number Diff line change
Expand Up @@ -55,13 +55,7 @@ wdns_unpack_name(const uint8_t *p, const uint8_t *eop, const uint8_t *src,

if (cptr > eop)
return (wdns_res_invalid_compression_pointer);

if (cptr == src - 1 && (*(src - 1) == 0)) {
/* if a compression pointer points to exactly one octet
* before itself, then the only valid domain name pointee
* is the zero-octet root label. */
src = cptr;
} else if (cptr > src - 2) {
if (cptr > src - 2) {
return (wdns_res_invalid_compression_pointer);
} else {
src = cptr;
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