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SSH2: Use strlen instead of empty

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This commit is contained in:
terrafrost 2013-01-12 10:46:19 -06:00
parent b8768c8d11
commit bccce5802c
1 changed files with 8 additions and 9 deletions
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17
phpseclib/Net/SSH2.php
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@ -863,7 +863,7 @@ class Net_SSH2 {
}
$this->server_identifier = trim($temp, "\r\n");
if (!empty($extra)) {
if (strlen($extra)) {
$this->errors[] = utf8_decode($extra);
}
@ -1955,7 +1955,7 @@ class Net_SSH2 {
preg_match($expect, $this->interactiveBuffer, $matches);
$match = isset($matches[0]) ? $matches[0] : array();
}
$pos = !empty($match) ? strpos($this->interactiveBuffer, $match) : false;
$pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false;
if ($pos !== false) {
return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match));
}
@ -2037,7 +2037,7 @@ class Net_SSH2 {
$start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
$raw = fread($this->fsock, $this->decrypt_block_size);
if (empty($raw)) {
if (!strlen($raw)) {
return '';
}
@ -2059,9 +2059,8 @@ class Net_SSH2 {
$remaining_length-= strlen($temp);
}
$stop = strtok(microtime(), ' ') + strtok('');
if (!empty($buffer)) {
if (strlen($buffer)) {
$raw.= $this->decrypt !== false ? $this->decrypt->decrypt($buffer) : $buffer;
$buffer = $temp = '';
}
$payload = $this->_string_shift($raw, $packet_length - $padding_length - 1);
@ -2214,7 +2213,7 @@ class Net_SSH2 {
*/
function _get_channel_packet($client_channel, $skip_extended = false)
{
if (!empty($this->channel_buffers[$client_channel])) {
if (strlen($this->channel_buffers[$client_channel])) {
return array_shift($this->channel_buffers[$client_channel]);
}
@ -2241,7 +2240,7 @@ class Net_SSH2 {
return false;
}
if (empty($response)) {
if (!strlen($response)) {
return '';
}
@ -2673,7 +2672,7 @@ class Net_SSH2 {
$current_log = $message_log[$i];
$j = 0;
do {
if (!empty($current_log)) {
if (strlen($current_log)) {
$output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 ';
}
$fragment = $this->_string_shift($current_log, $short_width);
@ -2690,7 +2689,7 @@ class Net_SSH2 {
$raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment);
$output.= str_pad($hex, $long_width - $short_width, ' ') . $raw . "\r\n";
$j++;
} while (!empty($current_log));
} while (strlen($current_log));
$output.= "\r\n";
}