00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/* $NetBSD: gen-unix.h,v 1.4 2014/12/10 04:37:58 christos Exp $ */
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/*
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* Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 1999-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Id: gen-unix.h,v 1.21 2009/01/17 23:47:42 tbox Exp */
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/*! \file
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* \brief
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* This file is responsible for defining two operations that are not
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* directly portable between Unix-like systems and Windows NT, option
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* parsing and directory scanning. It is here because it was decided
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* that the "gen" build utility was not to depend on libisc.a, so
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* the functions declared in isc/commandline.h and isc/dir.h could not
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* be used.
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*
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* The commandline stuff is really just a wrapper around getopt().
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* The dir stuff was shrunk to fit the needs of gen.c.
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*/
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#ifndef DNS_GEN_UNIX_H
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#define DNS_GEN_UNIX_H 1
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#include <sys/types.h> /* Required on some systems for dirent.h. */
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#include <dirent.h>
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#include <unistd.h> /* XXXDCL Required for ?. */
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#include <isc/boolean.h>
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#include <isc/lang.h>
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#ifdef NEED_OPTARG
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extern char *optarg;
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#endif
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#define isc_commandline_parse getopt
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#define isc_commandline_argument optarg
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typedef struct {
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DIR *handle;
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char *filename;
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} isc_dir_t;
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ISC_LANG_BEGINDECLS
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static isc_boolean_t
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start_directory(const char *path, isc_dir_t *dir) {
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dir->handle = opendir(path);
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if (dir->handle != NULL)
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return (ISC_TRUE);
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else
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return (ISC_FALSE);
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}
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static isc_boolean_t
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next_file(isc_dir_t *dir) {
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struct dirent *dirent;
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dir->filename = NULL;
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if (dir->handle != NULL) {
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dirent = readdir(dir->handle);
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if (dirent != NULL)
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dir->filename = dirent->d_name;
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}
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if (dir->filename != NULL)
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return (ISC_TRUE);
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else
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return (ISC_FALSE);
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}
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static void
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end_directory(isc_dir_t *dir) {
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if (dir->handle != NULL)
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(void)closedir(dir->handle);
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dir->handle = NULL;
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}
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ISC_LANG_ENDDECLS
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#endif /* DNS_GEN_UNIX_H */
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