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Check wether CRYPT_RANDOM_IS_WINDOWS is defined before defining it.

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This commit is contained in:
Frank de Jonge 2013-11-05 11:27:16 +01:00
parent ccfe02a44e
commit 9f1108e52e
1 changed files with 5 additions and 3 deletions
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8
phpseclib/Crypt/Random.php
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@ -21,10 +21,10 @@
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@ -46,7 +46,9 @@
*
* @access private
*/
define('CRYPT_RANDOM_IS_WINDOWS', strtoupper(substr(PHP_OS, 0, 3)) === 'WIN');
if (defined('CRYPT_RANDOM_IS_WINDOWS') === false) {
define('CRYPT_RANDOM_IS_WINDOWS', strtoupper(substr(PHP_OS, 0, 3)) === 'WIN');
}
/**
* Generate a random string.