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Review of previous PR: Add some comments. Change should not apply in the FLAT build mode.

This commit is contained in:
Gregory Nutt 2018-07-25 06:32:50 -06:00
parent 5340027e4e
commit 1af1ac24a5
1 changed files with 15 additions and 5 deletions
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20
libs/libc/netdb/lib_gethostbynamer.c
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@ -1,7 +1,7 @@
/****************************************************************************
* libs/libc/netdb/lib_gethostbynamer.c
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Copyright (C) 2015, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -74,19 +74,29 @@ struct hostent_info_s
* Public Data
****************************************************************************/
#ifndef __KERNEL__
/* In the FLAT build, there is a single copy of this global variable that
* can be accessed from application or OS code. In the protected and
* kernel build modes, however, there must be separate copies of OS and
* users spaces.
*/
#if !defined(CONFIG_BUILD_FLAT) && !defined(__KERNEL__)
/* Local loopback addresses for user mode */
#ifdef CONFIG_NET_IPv4
const in_addr_t g_lo_ipv4addr = HTONL(0x7f000001);
const in_addr_t g_lo_ipv4addr = HTONL(0x7f000001);
#else /* CONFIG_NET_IPv6 */
const net_ipv6addr_t g_lo_ipv6addr =
const net_ipv6addr_t g_lo_ipv6addr =
{
HTONS(0), HTONS(0), HTONS(0), HTONS(0),
HTONS(0), HTONS(0), HTONS(0), HTONS(1)
};
#endif
#endif /* ifndef __KERNEL */
#endif /* !CONFIG_BUILD_FLAT && !__KERNEL__ */
/****************************************************************************
* Private functions