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Diffstat (limited to '')
-rw-r--r-- | lib/dns/gen-unix.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/lib/dns/gen-unix.h b/lib/dns/gen-unix.h new file mode 100644 index 0000000..84c3e7f --- /dev/null +++ b/lib/dns/gen-unix.h @@ -0,0 +1,90 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + + +/*! \file + * \brief + * This file is responsible for defining two operations that are not + * directly portable between Unix-like systems and Windows NT, option + * parsing and directory scanning. It is here because it was decided + * that the "gen" build utility was not to depend on libisc.a, so + * the functions declared in isc/commandline.h and isc/dir.h could not + * be used. + * + * The commandline stuff is really just a wrapper around getopt(). + * The dir stuff was shrunk to fit the needs of gen.c. + */ + +#ifndef DNS_GEN_UNIX_H +#define DNS_GEN_UNIX_H 1 + +#include <sys/types.h> /* Required on some systems for dirent.h. */ + +#include <dirent.h> +#include <stdbool.h> +#include <unistd.h> /* XXXDCL Required for ?. */ + +#include <isc/lang.h> + +#ifdef NEED_OPTARG +extern char *optarg; +#endif + +#define isc_commandline_parse getopt +#define isc_commandline_argument optarg + +typedef struct { + DIR *handle; + char *filename; +} isc_dir_t; + +ISC_LANG_BEGINDECLS + +static bool +start_directory(const char *path, isc_dir_t *dir) { + dir->handle = opendir(path); + + if (dir->handle != NULL) + return (true); + else + return (false); + +} + +static bool +next_file(isc_dir_t *dir) { + struct dirent *dirent; + + dir->filename = NULL; + + if (dir->handle != NULL) { + dirent = readdir(dir->handle); + if (dirent != NULL) + dir->filename = dirent->d_name; + } + + if (dir->filename != NULL) + return (true); + else + return (false); +} + +static void +end_directory(isc_dir_t *dir) { + if (dir->handle != NULL) + (void)closedir(dir->handle); + + dir->handle = NULL; +} + +ISC_LANG_ENDDECLS + +#endif /* DNS_GEN_UNIX_H */ |