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Halt NBT parsing if end of data is found

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This commit is contained in:
Shoghi Cervantes 2014-02-11 01:41:04 +01:00
parent 9cd5c1581b
commit ad3bf0998f
1 changed files with 6 additions and 2 deletions
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8
src/utils/NBT.php
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@ -44,6 +44,10 @@ class NBT{
return substr($this->binary, $this->offset - $n, $n); return substr($this->binary, $this->offset - $n, $n);
} }
private function feof(){
return !isset($this->binary{$this->offset});
}
public function write($bin){ public function write($bin){
$this->binary .= $bin; $this->binary .= $bin;
} }
@ -119,7 +123,7 @@ class NBT{
} }
private function parseList(&$node, $tag, $cnt){ private function parseList(&$node, $tag, $cnt){
for($i = 0; $i < $cnt; ++$i){ for($i = 0; $i < $cnt and !$this->feof(); ++$i){
switch($tag){ switch($tag){
case self::TAG_BYTE: case self::TAG_BYTE:
$value = $this->readTAG_BYTE(); $value = $this->readTAG_BYTE();
@ -163,7 +167,7 @@ class NBT{
} }
private function parseTree(&$node){ private function parseTree(&$node){
while(($tag = ord($this->read(1))) !== self::TAG_END){ while(($tag = ord($this->read(1))) !== self::TAG_END and !$this->feof()){
$name = $this->readTAG_STRING(); $name = $this->readTAG_STRING();
switch($tag){ switch($tag){
case self::TAG_BYTE: case self::TAG_BYTE: