incubator-nuttx/libs/libc/netdb/lib_netdb.h

111 lines
3.6 KiB
C

/****************************************************************************
* libs/libc/net/lib_netdb.h
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __LIBS_LIBC_NETDB_LIB_NETDB_H
#define __LIBS_LIBC_NETDB_LIB_NETDB_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <netdb.h>
#ifdef CONFIG_LIBC_NETDB
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* This is the maximum number of alternate host names supported by this
* implementation:
*/
#ifndef CONFIG_NETDB_MAX_ALTNAMES
# define CONFIG_NETDB_MAX_ALTNAMES 4
#endif
/* This is the path to the system hosts file */
#ifndef CONFIG_NETDB_HOSTCONF_PATH
# define CONFIG_NETDB_HOSTCONF_PATH "/etc/hosts"
#endif
/* Size of the buffer available for host data */
#ifndef CONFIG_NETDB_BUFSIZE
# define CONFIG_NETDB_BUFSIZE 128
#endif
/****************************************************************************
* Public Types
****************************************************************************/
struct services_db_s
{
FAR const char *s_name;
int s_port;
int s_protocol;
};
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
EXTERN struct hostent g_hostent;
EXTERN char g_hostbuffer[CONFIG_NETDB_BUFSIZE];
EXTERN const struct services_db_s g_services_db[];
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_LIBC_NETDB */
#endif /* __LIBS_LIBC_NETDB_LIB_NETDB_H */