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Diffstat (limited to 'mit-pthreads/net/res_internal.h')
| -rw-r--r-- | mit-pthreads/net/res_internal.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/mit-pthreads/net/res_internal.h b/mit-pthreads/net/res_internal.h new file mode 100644 index 00000000000..4a4691bab84 --- /dev/null +++ b/mit-pthreads/net/res_internal.h @@ -0,0 +1,84 @@ +/* + * Copyright (c) 1985 Regents of the University of California. + * All rights reserved. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)res_internal.h 6.22 (Berkeley) 3/19/91";*/ +static char *rcsid = "$Id$"; +#endif /* LIBC_SCCS and not lint */ + +#ifndef _RES_INTERNAL_H +#define _RES_INTERNAL_H + +#include <pthread.h> +#include <netdb.h> +#include <resolv.h> + +#define HOST_BUFSIZE 4096 +#define ALIGN(p, t) ((char *)(((((long)(p) - 1) / sizeof(t)) + 1) * sizeof(t))) +#define SP(p, t, n) (ALIGN(p, t) + (n) * sizeof(t)) + +struct res_data { + char *buf; + struct __res_state state; + int errval; + int sock; +}; + +#if PACKETSZ > 1024 +#define MAXPACKET PACKETSZ +#else +#define MAXPACKET 1024 +#endif + +typedef union { + HEADER hdr; + unsigned char buf[MAXPACKET]; +} querybuf; + +typedef union { + long al; + char ac; +} align; + +extern pthread_mutex_t host_iterate_lock; + +__BEGIN_DECLS +struct hostent *_res_parse_answer(querybuf *answer, int anslen, int iquery, + struct hostent *result, char *buf, + int buflen, int *errval); +void _res_set_error(int val); +struct res_data *_res_init(void); +__END_DECLS + +#endif + |