rainlance/c-ares
1
0
Fork 0
mirror of https://frontier.innolan.net/rainlance/c-ares.git synced 2026-03-17 09:15:16 +00:00
Code Releases Activity

ares_dns.h: adjust DNS__16BIT and DNS__32BIT macro definitions

Browse Source 
Fixing compiler warnings existing definitions triggered on these.
This commit is contained in:
Yang Tse
2011-08-21 19:18:53 +02:00
parent b816675c0f
commit 1089cf6052
4 changed files with 34 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
ares_dns.h
View File

@ -1,5 +1,7 @@
#ifndef HEADER_CARES_DNS_H
#define HEADER_CARES_DNS_H
/* Copyright 1998 by the Massachusetts Institute of Technology.
/* Copyright 1998, 2011 by the Massachusetts Institute of Technology.
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
@ -14,12 +16,23 @@
* without express or implied warranty.
*/
#ifndef ARES__DNS_H
#define ARES__DNS_H
/*
* Macro DNS__16BIT reads a network short (16 bit) given in network
* byte order, and returns its value as an unsigned short.
*/
#define DNS__16BIT(p) ((unsigned short)((unsigned int) 0xffff & \
(((unsigned int)((unsigned char)(p)[0]) << 8U) | \
((unsigned int)((unsigned char)(p)[1])))))
#define DNS__16BIT(p) (((p)[0] << 8) | (p)[1])
#define DNS__32BIT(p) (((p)[0] << 24) | ((p)[1] << 16) | \
((p)[2] << 8) | (p)[3])
/*
* Macro DNS__32BIT reads a network long (32 bit) given in network
* byte order, and returns its value as an unsigned int.
*/
#define DNS__32BIT(p) ((unsigned int) \
(((unsigned int)((unsigned char)(p)[0]) << 24U) | \
((unsigned int)((unsigned char)(p)[1]) << 16U) | \
((unsigned int)((unsigned char)(p)[2]) << 8U) | \
((unsigned int)((unsigned char)(p)[3]))))
#define DNS__SET16BIT(p, v) (((p)[0] = (unsigned char)(((v) >> 8) & 0xff)), \
((p)[1] = (unsigned char)((v) & 0xff)))
@ -87,4 +100,4 @@
#define DNS_RR_SET_TTL(r) DNS__SET32BIT((r) + 4, v)
#define DNS_RR_SET_LEN(r) DNS__SET16BIT((r) + 8, v)
#endif /* ARES__DNS_H */
#endif /* HEADER_CARES_DNS_H */