125 lines
4.0 KiB
C
125 lines
4.0 KiB
C
/****************************************************************************
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* libs/libc/netdb/lib_netdb.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __LIBS_LIBC_NETDB_LIB_NETDB_H
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#define __LIBS_LIBC_NETDB_LIB_NETDB_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <netdb.h>
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#include <stdio.h>
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#ifdef CONFIG_LIBC_NETDB
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* This is the maximum number of alternate host names supported by this
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* implementation:
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*/
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#ifndef CONFIG_NETDB_MAX_ALTNAMES
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# define CONFIG_NETDB_MAX_ALTNAMES 4
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#endif
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/* This is the path to the system hosts file */
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#ifndef CONFIG_NETDB_HOSTCONF_PATH
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# define CONFIG_NETDB_HOSTCONF_PATH "/etc/hosts"
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#endif
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/* Size of the buffer available for host data */
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#ifndef CONFIG_NETDB_BUFSIZE
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# define CONFIG_NETDB_BUFSIZE 128
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#endif
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#ifndef CONFIG_NETDB_MAX_IPADDR
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# define CONFIG_NETDB_MAX_IPADDR 1
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct hostent_s
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{
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FAR char *h_name; /* Official name of the host. */
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FAR char **h_aliases; /* A pointer to an array of pointers to the
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* alternative host names, terminated by a
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* null pointer. */
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FAR int *h_addrtypes; /* A pointer to an array of address type. */
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FAR int *h_lengths; /* A pointer to an array of the length, in bytes,
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* of the address. */
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FAR char **h_addr_list; /* A pointer to an array of pointers to network
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* addresses (in network byte order) for the host,
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* terminated by a null pointer. */
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};
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struct services_db_s
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{
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FAR const char *s_name;
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int s_port;
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int s_protocol;
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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EXTERN struct hostent g_hostent;
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EXTERN char g_hostbuffer[CONFIG_NETDB_BUFSIZE];
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EXTERN const struct services_db_s g_services_db[];
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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bool convert_hostent(FAR const struct hostent_s *in,
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int type, FAR struct hostent *out);
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ssize_t parse_hostfile(FAR FILE *stream, FAR struct hostent_s *host,
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FAR char *buf, size_t buflen);
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int gethostentbyname_r(FAR const char *name,
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FAR struct hostent_s *host, FAR char *buf,
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size_t buflen, FAR int *h_errnop);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* CONFIG_LIBC_NETDB */
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#endif /* __LIBS_LIBC_NETDB_LIB_NETDB_H */
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