ReactOS  0.4.14-dev-317-g96040ec
def.c
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1 
7 /*
8  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without modification,
12  * are permitted provided that the following conditions are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright notice,
15  * this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  * 3. The name of the author may not be used to endorse or promote products
20  * derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31  * OF SUCH DAMAGE.
32  *
33  * This file is part of the lwIP TCP/IP stack.
34  *
35  * Author: Simon Goldschmidt
36  *
37  */
38 
39 #include "lwip/opt.h"
40 #include "lwip/def.h"
41 
55 #if (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN)
56 
63 u16_t
65 {
66  return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
67 }
68 
75 u16_t
77 {
78  return lwip_htons(n);
79 }
80 
87 u32_t
89 {
90  return ((n & 0xff) << 24) |
91  ((n & 0xff00) << 8) |
92  ((n & 0xff0000UL) >> 8) |
93  ((n & 0xff000000UL) >> 24);
94 }
95 
102 u32_t
104 {
105  return lwip_htonl(n);
106 }
107 
108 #endif /* (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) */
GLdouble n
Definition: glext.h:7729
u16_t lwip_htons(u16_t n)
Definition: def.c:64
u32_t lwip_htonl(u32_t n)
Definition: def.c:88
unsigned long u32_t
Definition: cc.h:25
u32_t lwip_ntohl(u32_t n)
Definition: def.c:103
u16_t lwip_ntohs(u16_t n)
Definition: def.c:76
unsigned short u16_t
Definition: cc.h:24
#define UL
Definition: tui.h:83