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Annotation of embedaddon/php/ext/dba/libcdb/uint32.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:    +----------------------------------------------------------------------+
                      3:    | PHP Version 5                                                        |
                      4:    +----------------------------------------------------------------------+
                      5:    | Copyright (c) 1997-2010 The PHP Group                                |
                      6:    +----------------------------------------------------------------------+
                      7:    | This source file is subject to version 3.01 of the PHP license,      |
                      8:    | that is bundled with this package in the file LICENSE, and is        |
                      9:    | available through the world-wide-web at the following url:           |
                     10:    | http://www.php.net/license/3_01.txt                                  |
                     11:    | If you did not receive a copy of the PHP license and are unable to   |
                     12:    | obtain it through the world-wide-web, please send a note to          |
                     13:    | license@php.net so we can mail you a copy immediately.               |
                     14:    +----------------------------------------------------------------------+
                     15:    | Author: Marcus Boerger <helly@php.net>                               |
                     16:    +----------------------------------------------------------------------+
                     17:  */
                     18: 
                     19: /* $Id: uint32.c 293036 2010-01-03 09:23:27Z sebastian $ */
                     20: 
                     21: /* incorporated from D.J.Bernstein's cdb-0.75 (http://cr.yp.to/cdb.html)*/
                     22: 
                     23: #ifdef HAVE_CONFIG_H
                     24: #include "config.h"
                     25: #endif
                     26: 
                     27: #include "php.h"
                     28: 
                     29: #include "uint32.h"
                     30: 
                     31: /* {{{ uint32_pack */
                     32: void uint32_pack(char *out, uint32 in)
                     33: {
                     34:        out[0] = in&0xff; in>>=8;
                     35:        out[1] = in&0xff; in>>=8;
                     36:        out[2] = in&0xff; in>>=8;
                     37:        out[3] = in&0xff;
                     38: }
                     39: /* }}} */
                     40: 
                     41: /* {{{ uint32_unpack */
                     42: void uint32_unpack(const char *in, uint32 *out)
                     43: {
                     44:        *out = (((uint32)(unsigned char)in[3])<<24) |
                     45:               (((uint32)(unsigned char)in[2])<<16) |
                     46:               (((uint32)(unsigned char)in[1])<<8) |
                     47:               (((uint32)(unsigned char)in[0]));
                     48: }
                     49: /* }}} */